<?xml version="1.0" encoding="US-ASCII"?>
<!-- RR Donnelley Xcelerate Taxonomy Labels Linkbase, based on XBRL 2.1  http://www.rrdonnelley.com/ -->
<!-- Version: 6.22.4 -->
<!-- Round: 11 -->
<!-- Creation date: 2015-02-18T20:00:24Z -->
<!-- Copyright (c) 2005-2013 R.R. Donnelley & Sons Company All Rights Reserved. -->
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AcceleratedDepreciationMember_lbl" xml:lang="en-US" id="id_7341432_1562628_2_1">Accelerated Depreciation [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AcceleratedDepreciationResearchAndDevelopmentMember_lbl" xml:lang="en-US" id="id_7341432_1524752_3_1">Accelerated Depreciation Research And Development [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AcceleratedDepreciationResearchAndDevelopmentMember_lbl" xml:lang="en-US" id="id_7341432_1524752_1_1">Accelerated Depreciation Research And Development [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AcceleratedDepreciationResearchAndDevelopmentMember_lbl" xml:lang="en-US" id="id_7341432_1524752_2_1">Accelerated Depreciation - R &amp; D [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AcceleratedDepreciationSellingGeneralAndAdministrativeMember_lbl" xml:lang="en-US" id="id_7341432_1439359_3_1">Accelerated Depreciation Selling General And Administrative [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AcceleratedDepreciationSellingGeneralAndAdministrativeMember_lbl" xml:lang="en-US" id="id_7341432_1439359_1_1">Accelerated Depreciation Selling General And Administrative [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AcceleratedDepreciationSellingGeneralAndAdministrativeMember_lbl" xml:lang="en-US" id="id_7341432_1439359_2_1">Accelerated Depreciation - SG&amp;A [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_AcceleratedDepreciationSellingGeneralAndAdministrativeMember" xlink:to="act_AcceleratedDepreciationSellingGeneralAndAdministrativeMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="us-gaap_AccountingPoliciesAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountingPoliciesAbstract_lbl" xml:lang="en-US" id="id_7341432_1276885_1_1">Accounting Policies [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccountingPoliciesAbstract_lbl" xml:lang="en-US" id="id_7341432_1276885_2_1">Accounting Policies [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountingPoliciesAbstract" xlink:to="us-gaap_AccountingPoliciesAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_lbl" xml:lang="en-US" id="id_7341432_1283402_1_1">Accounts Payable and Accrued Liabilities, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_lbl" xml:lang="en-US" id="id_7341432_1283402_2_1">Accounts payable and accrued expenses</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_lbl" xml:lang="en-US" id="id_7341432_1282971_1_1">Accounts Payable and Accrued Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_lbl" xml:lang="en-US" id="id_7341432_1282971_2_1">Accounts payables and accrued liabilities</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock_lbl" xml:lang="en-US" id="id_7341432_1268663_1_1">Accounts Payable and Accrued Liabilities Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock_lbl" xml:lang="en-US" id="id_7341432_1268663_2_1">Accounts Payable and Accrued Expenses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock" xlink:to="us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccountsPayableTradeCurrent" xlink:label="us-gaap_AccountsPayableTradeCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountsPayableTradeCurrent_lbl" xml:lang="en-US" id="id_7341432_1284722_1_1">Accounts Payable, Trade, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccountsPayableTradeCurrent_lbl" xml:lang="en-US" id="id_7341432_1284722_2_1">Trade accounts payable</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccountsReceivableNet" xlink:label="us-gaap_AccountsReceivableNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountsReceivableNet_lbl" xml:lang="en-US" id="id_7341432_1286760_1_1">Accounts Receivable, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccountsReceivableNet_lbl" xml:lang="en-US" id="id_7341432_1286760_2_1">Accounts receivable, net</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="us-gaap_AccountsReceivableNetCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountsReceivableNetCurrent_lbl" xml:lang="en-US" id="id_7341432_1288279_1_1">Accounts Receivable, Net, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccountsReceivableNetCurrent_lbl" xml:lang="en-US" id="id_7341432_1288279_2_1">Accounts receivable, net</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountsReceivableRelatedParties_lbl" xml:lang="en-US" id="id_7341432_1287293_1_1">Accounts Receivable, Related Parties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccountsReceivableRelatedParties_lbl" xml:lang="en-US" id="id_7341432_1287293_2_1">Debt finance costs</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AccountsReceivableTerm_lbl" xml:lang="en-US" id="id_7341432_1613655_1_1">Accounts receivable term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AccountsReceivableTerm_lbl" xml:lang="en-US" id="id_7341432_1613655_2_1">Debt financing, term</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccretionExpense" xlink:label="us-gaap_AccretionExpense"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccretionExpense_lbl" xml:lang="en-US" id="id_7341432_1286237_1_1">Accretion Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccretionExpense_lbl" xml:lang="en-US" id="id_7341432_1286237_2_1">Accretion of contingent consideration obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AccretionExpense_lbl" xml:lang="en-US" id="id_7341432_1286237_12_1">Accretion of preferred stock and contingent payment consideration</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent_lbl" xml:lang="en-US" id="id_7341432_1285208_2_1">Accrued other taxes</label>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AccruedCoPromotionLiabilityCurrent" xlink:label="act_AccruedCoPromotionLiabilityCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AccruedCoPromotionLiabilityCurrent_lbl" xml:lang="en-US" id="id_7341432_1548424_3_1">Accrued Co Promotion Liability Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AccruedCoPromotionLiabilityCurrent_lbl" xml:lang="en-US" id="id_7341432_1548424_1_1">Accrued Co Promotion Liability Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AccruedCoPromotionLiabilityCurrent_lbl" xml:lang="en-US" id="id_7341432_1548424_2_1">Accrued co-promotion liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_AccruedCoPromotionLiabilityCurrent" xlink:to="act_AccruedCoPromotionLiabilityCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccruedIncomeTaxes" xlink:label="us-gaap_AccruedIncomeTaxes"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccruedIncomeTaxes_lbl" xml:lang="en-US" id="id_7341432_1283399_1_1">Accrued Income Taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccruedIncomeTaxes_lbl" xml:lang="en-US" id="id_7341432_1283399_2_1">Accrued income taxes, including withholding taxes</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccruedIncomeTaxes" xlink:to="us-gaap_AccruedIncomeTaxes_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccruedIncomeTaxesCurrent" xlink:label="us-gaap_AccruedIncomeTaxesCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccruedIncomeTaxesCurrent_lbl" xml:lang="en-US" id="id_7341432_1282531_1_1">Accrued Income Taxes, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccruedIncomeTaxesCurrent_lbl" xml:lang="en-US" id="id_7341432_1282531_2_1">Income taxes payable</label>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AccruedIndirectReturns" xlink:label="act_AccruedIndirectReturns"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AccruedIndirectReturns_lbl" xml:lang="en-US" id="id_7341432_1541965_3_1">Accrued indirect returns.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AccruedIndirectReturns_lbl" xml:lang="en-US" id="id_7341432_1541965_1_1">Accrued Indirect Returns</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AccruedIndirectReturns_lbl" xml:lang="en-US" id="id_7341432_1541965_2_1">Accrued indirect returns</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="us-gaap_AccruedLiabilitiesCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccruedLiabilitiesCurrent_lbl" xml:lang="en-US" id="id_7341432_1283401_1_1">Accrued Liabilities, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_AccruedLiabilitiesCurrent_lbl" xml:lang="en-US" id="id_7341432_1283401_6_1">Total accrued expenses</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccruedLiabilitiesCurrentAbstract_lbl" xml:lang="en-US" id="id_7341432_1278549_1_1">Accrued Liabilities, Current [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccruedLiabilitiesCurrentAbstract_lbl" xml:lang="en-US" id="id_7341432_1278549_2_1">Accrued expenses:</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AccruedManufacturingExpensesCurrent_lbl" xml:lang="en-US" id="id_7341432_1352736_3_1">Accrued Manufacturing Expenses Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AccruedManufacturingExpensesCurrent_lbl" xml:lang="en-US" id="id_7341432_1352736_1_1">Accrued Manufacturing Expenses Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AccruedManufacturingExpensesCurrent_lbl" xml:lang="en-US" id="id_7341432_1352736_2_1">Manufacturing related</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccruedMarketingCostsCurrent" xlink:label="us-gaap_AccruedMarketingCostsCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccruedMarketingCostsCurrent_lbl" xml:lang="en-US" id="id_7341432_1283862_1_1">Accrued Marketing Costs, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccruedMarketingCostsCurrent_lbl" xml:lang="en-US" id="id_7341432_1283862_2_1">Accrued selling and marketing expenditures</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccruedMarketingCostsCurrent" xlink:to="us-gaap_AccruedMarketingCostsCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AccruedPharmaceuticalFees" xlink:label="act_AccruedPharmaceuticalFees"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AccruedPharmaceuticalFees_lbl" xml:lang="en-US" id="id_7341432_1385126_3_1">Accrued Pharmaceutical Fees</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AccruedPharmaceuticalFees_lbl" xml:lang="en-US" id="id_7341432_1385126_1_1">Accrued Pharmaceutical Fees</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AccruedPharmaceuticalFees_lbl" xml:lang="en-US" id="id_7341432_1385126_2_1">Accrued pharmaceutical fees</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_AccruedPharmaceuticalFees" xlink:to="act_AccruedPharmaceuticalFees_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccruedProfessionalFeesCurrent" xlink:label="us-gaap_AccruedProfessionalFeesCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccruedProfessionalFeesCurrent_lbl" xml:lang="en-US" id="id_7341432_1283863_1_1">Accrued Professional Fees, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccruedProfessionalFeesCurrent_lbl" xml:lang="en-US" id="id_7341432_1283863_2_1">Accrued professional fees</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccruedProfessionalFeesCurrent" xlink:to="us-gaap_AccruedProfessionalFeesCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AccruedResearchAndDevelopmentExpenses" xlink:label="act_AccruedResearchAndDevelopmentExpenses"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AccruedResearchAndDevelopmentExpenses_lbl" xml:lang="en-US" id="id_7341432_1461351_3_1">Accrued Research And Development Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AccruedResearchAndDevelopmentExpenses_lbl" xml:lang="en-US" id="id_7341432_1461351_1_1">Accrued Research And Development Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AccruedResearchAndDevelopmentExpenses_lbl" xml:lang="en-US" id="id_7341432_1461351_2_1">Accrued R&amp;D expenditures</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_AccruedResearchAndDevelopmentExpenses" xlink:to="act_AccruedResearchAndDevelopmentExpenses_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AccruedThirdPartyRebates" xlink:label="act_AccruedThirdPartyRebates"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AccruedThirdPartyRebates_lbl" xml:lang="en-US" id="id_7341432_1319794_3_1">Accrued third-party rebates.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AccruedThirdPartyRebates_lbl" xml:lang="en-US" id="id_7341432_1319794_1_1">Accrued Third Party Rebates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AccruedThirdPartyRebates_lbl" xml:lang="en-US" id="id_7341432_1319794_2_1">Accrued third-party rebates</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_AccruedThirdPartyRebates" xlink:to="act_AccruedThirdPartyRebates_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AccumulatedAmortizationMember" xlink:label="act_AccumulatedAmortizationMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AccumulatedAmortizationMember_lbl" xml:lang="en-US" id="id_7341432_1314070_3_1">Accumulated Amortization [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AccumulatedAmortizationMember_lbl" xml:lang="en-US" id="id_7341432_1314070_1_1">Accumulated Amortization [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AccumulatedAmortizationMember_lbl" xml:lang="en-US" id="id_7341432_1314070_2_1">Accumulated Amortization [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_AccumulatedAmortizationMember" xlink:to="act_AccumulatedAmortizationMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xml:lang="en-US" id="id_7341432_1282041_1_1">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xml:lang="en-US" id="id_7341432_1282041_4_1">Accumulated depreciation, ending balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl" xml:lang="en-US" id="id_7341432_1282041_5_1">Accumulated depreciation, beginning balance</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:to="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AccumulatedDepreciationDepletionAndAmortizationSaleOrDisposalTransferAndImpairmentsOfPropertyPlantAndEquipment" xlink:label="act_AccumulatedDepreciationDepletionAndAmortizationSaleOrDisposalTransferAndImpairmentsOfPropertyPlantAndEquipment"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AccumulatedDepreciationDepletionAndAmortizationSaleOrDisposalTransferAndImpairmentsOfPropertyPlantAndEquipment_lbl" xml:lang="en-US" id="id_7341432_1465340_3_1">Accumulated Depreciation, Depletion and Amortization, Sale or Disposal, Transfer And Impairments of Property, Plant and Equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AccumulatedDepreciationDepletionAndAmortizationSaleOrDisposalTransferAndImpairmentsOfPropertyPlantAndEquipment_lbl" xml:lang="en-US" id="id_7341432_1465340_1_1">Accumulated Depreciation, Depletion and Amortization, Sale or Disposal, Transfer And Impairments of Property, Plant and Equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="act_AccumulatedDepreciationDepletionAndAmortizationSaleOrDisposalTransferAndImpairmentsOfPropertyPlantAndEquipment_lbl" xml:lang="en-US" id="id_7341432_1465340_14_1">Disposals/transfers/ impairments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_AccumulatedDepreciationDepletionAndAmortizationSaleOrDisposalTransferAndImpairmentsOfPropertyPlantAndEquipment" xlink:to="act_AccumulatedDepreciationDepletionAndAmortizationSaleOrDisposalTransferAndImpairmentsOfPropertyPlantAndEquipment_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AccumulatedDepreciationReclassifiedOfPropertyPlantAndEquipment" xlink:label="act_AccumulatedDepreciationReclassifiedOfPropertyPlantAndEquipment"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AccumulatedDepreciationReclassifiedOfPropertyPlantAndEquipment_lbl" xml:lang="en-US" id="id_7341432_1344021_3_1">Accumulated depreciation reclassified out of PP&amp;E into assets held for sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AccumulatedDepreciationReclassifiedOfPropertyPlantAndEquipment_lbl" xml:lang="en-US" id="id_7341432_1344021_1_1">Accumulated Depreciation Reclassified Of Property Plant and Equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="act_AccumulatedDepreciationReclassifiedOfPropertyPlantAndEquipment_lbl" xml:lang="en-US" id="id_7341432_1344021_14_1">Transfer to assets held for sale</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_AccumulatedDepreciationReclassifiedOfPropertyPlantAndEquipment" xlink:to="act_AccumulatedDepreciationReclassifiedOfPropertyPlantAndEquipment_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" xlink:label="us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_lbl" xml:lang="en-US" id="id_7341432_1268667_1_1">Accumulated Net Unrealized Investment Gain (Loss) [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_lbl" xml:lang="en-US" id="id_7341432_1268667_2_1">Unrealized Gains/(Losses) Net of Tax [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" xlink:to="us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_lbl" xml:lang="en-US" id="id_7341432_1271914_1_1">Accumulated Other Comprehensive Income (Loss) [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_lbl" xml:lang="en-US" id="id_7341432_1271914_2_1">Accumulated Other Comprehensive Income (Loss) [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:to="us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xml:lang="en-US" id="id_7341432_1282967_1_1">Accumulated Other Comprehensive Income (Loss), Net of Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xml:lang="en-US" id="id_7341432_1282967_4_1">Ending balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xml:lang="en-US" id="id_7341432_1282967_5_1">Beginning balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xml:lang="en-US" id="id_7341432_1282967_2_1">Accumulated other comprehensive (loss) / income</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:to="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_lbl" xml:lang="en-US" id="id_7341432_1278562_1_1">Accumulated Other Comprehensive Income (Loss) [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_lbl" xml:lang="en-US" id="id_7341432_1278562_2_1">Accumulated Other Comprehensive Income (Loss) [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:to="us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember_lbl" xml:lang="en-US" id="id_7341432_1268669_1_1">Accumulated Other Comprehensive Income (Loss) [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember_lbl" xml:lang="en-US" id="id_7341432_1268669_2_1">Accumulated Other Comprehensive (Loss)/Income [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:to="us-gaap_AccumulatedOtherComprehensiveIncomeMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccumulatedTranslationAdjustmentMember" xlink:label="us-gaap_AccumulatedTranslationAdjustmentMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccumulatedTranslationAdjustmentMember_lbl" xml:lang="en-US" id="id_7341432_1275291_1_1">Accumulated Translation Adjustment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccumulatedTranslationAdjustmentMember_lbl" xml:lang="en-US" id="id_7341432_1275291_2_1">Foreign Currency Translation Items [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedTranslationAdjustmentMember" xlink:to="us-gaap_AccumulatedTranslationAdjustmentMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife" xlink:label="us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_lbl" xml:lang="en-US" id="id_7341432_1273625_1_1">Acquired Finite-lived Intangible Assets, Weighted Average Useful Life</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_lbl" xml:lang="en-US" id="id_7341432_1273625_2_1">Weighted Average Useful Lives (Years)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife" xlink:to="us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AcquisitionDatePremiumOnIndebtedness" xlink:label="act_AcquisitionDatePremiumOnIndebtedness"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AcquisitionDatePremiumOnIndebtedness_lbl" xml:lang="en-US" id="id_7341432_1597874_3_1">Acquisition date premium on indebtedness.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AcquisitionDatePremiumOnIndebtedness_lbl" xml:lang="en-US" id="id_7341432_1597874_1_1">Acquisition Date Premium On Indebtedness</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AcquisitionDatePremiumOnIndebtedness_lbl" xml:lang="en-US" id="id_7341432_1597874_2_1">Acquisition date premium on indebtedness</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_AcquisitionDatePremiumOnIndebtedness" xlink:to="act_AcquisitionDatePremiumOnIndebtedness_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AcquisitionRelatedContingentConsiderations" xlink:label="act_AcquisitionRelatedContingentConsiderations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AcquisitionRelatedContingentConsiderations_lbl" xml:lang="en-US" id="id_7341432_1376885_3_1">Acquisition Related Contingent Considerations</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ActavisMember_lbl" xml:lang="en-US" id="id_7341432_1405381_1_1">Actavis [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ActavisMember_lbl" xml:lang="en-US" id="id_7341432_1405381_2_1">Actavis Plc [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ActavisPlcMember_lbl" xml:lang="en-US" id="id_7341432_1458696_3_1">Actavis Plc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ActavisPlcMember_lbl" xml:lang="en-US" id="id_7341432_1458696_1_1">Actavis Plc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ActavisPlcMember_lbl" xml:lang="en-US" id="id_7341432_1458696_2_1">Actavis plc [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ActavisProductsMember_lbl" xml:lang="en-US" id="id_7341432_1591908_1_1">Actavis Products [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ActavisProductsMember_lbl" xml:lang="en-US" id="id_7341432_1591908_2_1">Actavis Products [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ActavisProductsMember" xlink:to="act_ActavisProductsMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ActonelLitigationMember_lbl" xml:lang="en-US" id="id_7341432_1386410_2_1">Actonel Litigation [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ActonelLitigationMember" xlink:to="act_ActonelLitigationMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ActonelMember" xlink:label="act_ActonelMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ActonelMember_lbl" xml:lang="en-US" id="id_7341432_1420520_3_1">ACTONEL [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ActonelMember_lbl" xml:lang="en-US" id="id_7341432_1420520_1_1">ACTONEL [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ActonelMember_lbl" xml:lang="en-US" id="id_7341432_1420520_2_1">Actonel [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ActTermLoanAgreementMember_lbl" xml:lang="en-US" id="id_7341432_1289922_1_1">ACT Term Loan Agreement [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ActTermLoanAgreementMember_lbl" xml:lang="en-US" id="id_7341432_1289922_2_1">ACT Term Loan Agreement (2017 Term-Loan) [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ActTermLoanAgreementMember" xlink:to="act_ActTermLoanAgreementMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ActTermLoanAmendmentMember_lbl" xml:lang="en-US" id="id_7341432_1592371_3_1">ACT Term Loan Amendment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ActTermLoanAmendmentMember_lbl" xml:lang="en-US" id="id_7341432_1592371_1_1">ACT Term Loan Amendment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ActTermLoanAmendmentMember_lbl" xml:lang="en-US" id="id_7341432_1592371_2_1">ACT Term Loan Amendment (2019 Term-Loan) [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ActTermLoanAmendmentMember" xlink:to="act_ActTermLoanAmendmentMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AdditionalNumberOfLicensedProducts" xlink:label="act_AdditionalNumberOfLicensedProducts"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AdditionalNumberOfLicensedProducts_lbl" xml:lang="en-US" id="id_7341432_1325381_1_1">Additional Number Of Licensed Products</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AdditionalNumberOfLicensedProducts_lbl" xml:lang="en-US" id="id_7341432_1325381_2_1">New branded generic products</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_AdditionalNumberOfLicensedProducts" xlink:to="act_AdditionalNumberOfLicensedProducts_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AdditionalOsteonecrosisOfJawMember" xlink:label="act_AdditionalOsteonecrosisOfJawMember"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AdditionalOsteonecrosisOfJawMember_lbl" xml:lang="en-US" id="id_7341432_1517529_1_1">Additional Osteonecrosis Of Jaw [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AdditionalOsteonecrosisOfJawMember_lbl" xml:lang="en-US" id="id_7341432_1517529_2_1">Additional ONJ-Related Claims [Member]</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="us-gaap_AdditionalPaidInCapitalCommonStock"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xml:lang="en-US" id="id_7341432_1273630_2_1">Additional Paid-in Capital [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdditionalPaidInCapitalMember" xlink:to="us-gaap_AdditionalPaidInCapitalMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AdditionalYearOfUserFee" xlink:label="act_AdditionalYearOfUserFee"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AdditionalYearOfUserFee_lbl" xml:lang="en-US" id="id_7341432_1613391_1_1">Additional Year Of User Fee</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AdditionalYearOfUserFee_lbl" xml:lang="en-US" id="id_7341432_1613391_2_1">Additional expense recognized for drug fee</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortizationAndOtherNonCashItemsAbstract_lbl" xml:lang="en-US" id="id_7341432_1570155_3_1">Adjusted Earnings Before Interest Taxes Depreciation And Amortization And Other Non Cash Items [Abstract]</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_lbl" xml:lang="en-US" id="id_7341432_1284706_1_1">Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_lbl" xml:lang="en-US" id="id_7341432_1284706_2_1">Share-based compensation</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:to="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation_lbl" xml:lang="en-US" id="id_7341432_1284707_1_1">Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation_lbl" xml:lang="en-US" id="id_7341432_1284707_2_1">Tax (benefit) from stock option plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation_lbl" xml:lang="en-US" id="id_7341432_1284707_12_1">Tax benefits from exercise of options</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation" xlink:to="us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_lbl" xml:lang="en-US" id="id_7341432_1288802_1_1">Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_lbl" xml:lang="en-US" id="id_7341432_1288802_6_1">Total adjustments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US" id="id_7341432_1278564_1_1">Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US" id="id_7341432_1278564_2_1">Reconciliation to net cash provided by operating activities:</label>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AeroquinMember" xlink:label="act_AeroquinMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AeroquinMember_lbl" xml:lang="en-US" id="id_7341432_1604797_3_1">Aeroquin [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AeroquinMember_lbl" xml:lang="en-US" id="id_7341432_1604797_1_1">Aeroquin [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AeroquinMember_lbl" xml:lang="en-US" id="id_7341432_1604797_2_1">Aeroquin [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_AeroquinMember" xlink:to="act_AeroquinMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AggregateIndebtedness" xlink:label="us-gaap_AggregateIndebtedness"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AggregateIndebtedness_lbl" xml:lang="en-US" id="id_7341432_1282512_1_1">Aggregate Indebtedness</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AggregateIndebtedness_lbl" xml:lang="en-US" id="id_7341432_1282512_2_1">Aggregate indebtedness</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AggregateIndebtedness" xlink:to="us-gaap_AggregateIndebtedness_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AgreedUponDevelopmentCostsToBeIncurred" xlink:label="act_AgreedUponDevelopmentCostsToBeIncurred"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AgreedUponDevelopmentCostsToBeIncurred_lbl" xml:lang="en-US" id="id_7341432_1489870_3_1">Development costs agreed upon to be incurred over the course of development.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AgreedUponDevelopmentCostsToBeIncurred_lbl" xml:lang="en-US" id="id_7341432_1489870_1_1">Agreed Upon Development Costs To Be Incurred</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AgreedUponDevelopmentCostsToBeIncurred_lbl" xml:lang="en-US" id="id_7341432_1489870_2_1">Co-development costs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_AgreedUponDevelopmentCostsToBeIncurred" xlink:to="act_AgreedUponDevelopmentCostsToBeIncurred_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AgreementEffectiveDate" xlink:label="act_AgreementEffectiveDate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AgreementEffectiveDate_lbl" xml:lang="en-US" id="id_7341432_1339241_3_1">Agreement Effective Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AgreementEffectiveDate_lbl" xml:lang="en-US" id="id_7341432_1339241_1_1">Agreement Effective Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AgreementEffectiveDate_lbl" xml:lang="en-US" id="id_7341432_1339241_2_1">Loan agreement effective date</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_AgreementEffectiveDate" xlink:to="act_AgreementEffectiveDate_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AkornIncMember" xlink:label="act_AkornIncMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AkornIncMember_lbl" xml:lang="en-US" id="id_7341432_1544225_3_1">Akorn Inc. [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AkornIncMember_lbl" xml:lang="en-US" id="id_7341432_1544225_1_1">Akorn Inc [Member ]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AkornIncMember_lbl" xml:lang="en-US" id="id_7341432_1544225_2_1">Akorn [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_AkornIncMember" xlink:to="act_AkornIncMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AkronIncAndHiTechPharmacalCoIncMember" xlink:label="act_AkronIncAndHiTechPharmacalCoIncMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AkronIncAndHiTechPharmacalCoIncMember_lbl" xml:lang="en-US" id="id_7341432_1591883_3_1">Akron Inc and Hi Tech Pharmacal Co Inc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AkronIncAndHiTechPharmacalCoIncMember_lbl" xml:lang="en-US" id="id_7341432_1591883_1_1">Akron Inc and Hi Tech Pharmacal Co Inc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AkronIncAndHiTechPharmacalCoIncMember_lbl" xml:lang="en-US" id="id_7341432_1591883_2_1">Akorn, Inc. and Hi-Tech Pharmacal Co. Inc. [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_AkronIncAndHiTechPharmacalCoIncMember" xlink:to="act_AkronIncAndHiTechPharmacalCoIncMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AlendronateLitigationMember" xlink:label="act_AlendronateLitigationMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AlendronateLitigationMember_lbl" xml:lang="en-US" id="id_7341432_1355556_3_1">Alendronate Litigation [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AlendronateLitigationMember_lbl" xml:lang="en-US" id="id_7341432_1355556_1_1">Alendronate Litigation [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AlendronateLitigationMember_lbl" xml:lang="en-US" id="id_7341432_1355556_2_1">Alendronate Litigation [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_AlendronateLitigationMember" xlink:to="act_AlendronateLitigationMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AllerganAcquisitionMember" xlink:label="act_AllerganAcquisitionMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AllerganAcquisitionMember_lbl" xml:lang="en-US" id="id_7341432_1613172_3_1">Allergan Acquisition [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AllerganAcquisitionMember_lbl" xml:lang="en-US" id="id_7341432_1613172_1_1">Allergan Acquisition [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AllerganAcquisitionMember_lbl" xml:lang="en-US" id="id_7341432_1613172_2_1">Allergan Acquisition [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_AllerganAcquisitionMember" xlink:to="act_AllerganAcquisitionMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AllerganIncMember" xlink:label="act_AllerganIncMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AllerganIncMember_lbl" xml:lang="en-US" id="id_7341432_1570417_3_1">Allergan Inc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AllerganIncMember_lbl" xml:lang="en-US" id="id_7341432_1570417_1_1">Allergan Inc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AllerganIncMember_lbl" xml:lang="en-US" id="id_7341432_1570417_2_1">Allergan, Inc. [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_AllerganIncMember" xlink:to="act_AllerganIncMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xml:lang="en-US" id="id_7341432_1285222_1_1">Allocated Share-based Compensation Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xml:lang="en-US" id="id_7341432_1285222_32_1">Total stock-based compensation expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xml:lang="en-US" id="id_7341432_1285222_2_1">Recognized share-based compensation expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xml:lang="en-US" id="id_7341432_1285222_12_1">Stock-based compensation</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllocatedShareBasedCompensationExpense" xlink:to="us-gaap_AllocatedShareBasedCompensationExpense_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AllocatedShareBasedCompensationExpenseRelatedToAcquisitionAccountingTreatmentOfOutstandingAwardsAcquired" xlink:label="act_AllocatedShareBasedCompensationExpenseRelatedToAcquisitionAccountingTreatmentOfOutstandingAwardsAcquired"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AllocatedShareBasedCompensationExpenseRelatedToAcquisitionAccountingTreatmentOfOutstandingAwardsAcquired_lbl" xml:lang="en-US" id="id_7341432_1596106_3_1">Allocated Share Based Compensation Expense Related To Acquisition Accounting Treatment of Outstanding Awards Acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AllocatedShareBasedCompensationExpenseRelatedToAcquisitionAccountingTreatmentOfOutstandingAwardsAcquired_lbl" xml:lang="en-US" id="id_7341432_1596106_1_1">Allocated Share Based Compensation Expense Related To Acquisition Accounting Treatment of Outstanding Awards Acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AllocatedShareBasedCompensationExpenseRelatedToAcquisitionAccountingTreatmentOfOutstandingAwardsAcquired_lbl" xml:lang="en-US" id="id_7341432_1596106_2_1">Recognized share-based compensation expense relating to acquisition accounting treatment of outstanding awards acquired</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_AllocatedShareBasedCompensationExpenseRelatedToAcquisitionAccountingTreatmentOfOutstandingAwardsAcquired" xlink:to="act_AllocatedShareBasedCompensationExpenseRelatedToAcquisitionAccountingTreatmentOfOutstandingAwardsAcquired_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AlogliptinAndPriligyMember" xlink:label="act_AlogliptinAndPriligyMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AlogliptinAndPriligyMember_lbl" xml:lang="en-US" id="id_7341432_1573336_3_1">Alogliptin And Priligy [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AlogliptinAndPriligyMember_lbl" xml:lang="en-US" id="id_7341432_1573336_1_1">Alogliptin And Priligy [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AlogliptinAndPriligyMember_lbl" xml:lang="en-US" id="id_7341432_1573336_2_1">Alogliptin and Priligy [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_AlogliptinAndPriligyMember" xlink:to="act_AlogliptinAndPriligyMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AmendedAndRestatedTermLoanMember" xlink:label="act_AmendedAndRestatedTermLoanMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AmendedAndRestatedTermLoanMember_lbl" xml:lang="en-US" id="id_7341432_1329517_3_1">Amended And Restated Term Loan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AmendedAndRestatedTermLoanMember_lbl" xml:lang="en-US" id="id_7341432_1329517_1_1">Amended And Restated Term Loan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AmendedAndRestatedTermLoanMember_lbl" xml:lang="en-US" id="id_7341432_1329517_2_1">Amended and Restated ACT Term Loan [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_AmendedAndRestatedTermLoanMember" xlink:to="act_AmendedAndRestatedTermLoanMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_AmendmentFlag" xlink:label="dei_AmendmentFlag"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_AmendmentFlag_lbl" xml:lang="en-US" id="id_7341432_1276506_1_1">Amendment Flag</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_AmendmentFlag_lbl" xml:lang="en-US" id="id_7341432_1276506_2_1">Amendment Flag</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AmendmentFlag" xlink:to="dei_AmendmentFlag_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AmerisourceBergenCorporationMember" xlink:label="act_AmerisourceBergenCorporationMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AmerisourceBergenCorporationMember_lbl" xml:lang="en-US" id="id_7341432_1512035_3_1">Amerisource Bergen Corporation [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AmerisourceBergenCorporationMember_lbl" xml:lang="en-US" id="id_7341432_1512035_1_1">Amerisource Bergen Corporation [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AmerisourceBergenCorporationMember_lbl" xml:lang="en-US" id="id_7341432_1512035_2_1">AmerisourceBergen Corporation [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_AmerisourceBergenCorporationMember" xlink:to="act_AmerisourceBergenCorporationMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AmgenIncMember" xlink:label="act_AmgenIncMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AmgenIncMember_lbl" xml:lang="en-US" id="id_7341432_1314996_3_1">Amgen Inc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AmgenIncMember_lbl" xml:lang="en-US" id="id_7341432_1314996_1_1">Amgen Inc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AmgenIncMember_lbl" xml:lang="en-US" id="id_7341432_1314996_2_1">Amgen, Inc. [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_AmgenIncMember" xlink:to="act_AmgenIncMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AmnealPharmaceuticalsMember" xlink:label="act_AmnealPharmaceuticalsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AmnealPharmaceuticalsMember_lbl" xml:lang="en-US" id="id_7341432_1347554_3_1">Amneal Pharmaceuticals [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AmnealPharmaceuticalsMember_lbl" xml:lang="en-US" id="id_7341432_1347554_1_1">Amneal Pharmaceuticals [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AmnealPharmaceuticalsMember_lbl" xml:lang="en-US" id="id_7341432_1347554_2_1">Amneal [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_AmnealPharmaceuticalsMember" xlink:to="act_AmnealPharmaceuticalsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AmortizationInventoryStepUp" xlink:label="act_AmortizationInventoryStepUp"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AmortizationInventoryStepUp_lbl" xml:lang="en-US" id="id_7341432_1349427_3_1">Amortization inventory step up.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AmortizationInventoryStepUp_lbl" xml:lang="en-US" id="id_7341432_1349427_1_1">Amortization Inventory Step Up</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_AmortizationInventoryStepUp" xlink:to="act_AmortizationInventoryStepUp_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AmortizationOfFinancingCosts" xlink:label="us-gaap_AmortizationOfFinancingCosts"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AmortizationOfFinancingCosts_lbl" xml:lang="en-US" id="id_7341432_1285739_1_1">Amortization of Financing Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AmortizationOfFinancingCosts_lbl" xml:lang="en-US" id="id_7341432_1285739_2_1">Amortization of deferred financing costs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AmortizationOfFinancingCosts" xlink:to="us-gaap_AmortizationOfFinancingCosts_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="us-gaap_AmortizationOfIntangibleAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AmortizationOfIntangibleAssets_lbl" xml:lang="en-US" id="id_7341432_1286244_1_1">Amortization of Intangible Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AmortizationOfIntangibleAssets_lbl" xml:lang="en-US" id="id_7341432_1286244_2_1">Amortization</label>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AmortizationOfInventoryStepUpToCostOfSales" xlink:label="act_AmortizationOfInventoryStepUpToCostOfSales"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AmortizationOfInventoryStepUpToCostOfSales_lbl" xml:lang="en-US" id="id_7341432_1369405_3_1">Amortization of Inventory step up to cost of sales.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AmortizationOfInventoryStepUpToCostOfSales_lbl" xml:lang="en-US" id="id_7341432_1369405_1_1">Amortization Of Inventory Step Up To Cost Of Sales</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AmortizationOfInventoryStepUpToCostOfSales_lbl" xml:lang="en-US" id="id_7341432_1369405_2_1">Amortization of inventory step-up to cost of sales</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_AmortizationOfInventoryStepUpToCostOfSales" xlink:to="act_AmortizationOfInventoryStepUpToCostOfSales_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AmortizedCostAndFairValueDebtSecuritiesAbstract" xlink:label="act_AmortizedCostAndFairValueDebtSecuritiesAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AmortizedCostAndFairValueDebtSecuritiesAbstract_lbl" xml:lang="en-US" id="id_7341432_1389546_3_1">Amortized Cost and Fair Value Debt Securities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AmortizedCostAndFairValueDebtSecuritiesAbstract_lbl" xml:lang="en-US" id="id_7341432_1389546_1_1">Amortized Cost and Fair Value Debt Securities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AmortizedCostAndFairValueDebtSecuritiesAbstract_lbl" xml:lang="en-US" id="id_7341432_1389546_2_1">Amortized Cost and Fair Value Debt Securities [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_AmortizedCostAndFairValueDebtSecuritiesAbstract" xlink:to="act_AmortizedCostAndFairValueDebtSecuritiesAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AmountAvailableUnderRevolvingCreditFacility" xlink:label="act_AmountAvailableUnderRevolvingCreditFacility"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AmountAvailableUnderRevolvingCreditFacility_lbl" xml:lang="en-US" id="id_7341432_1311647_3_1">Amount available under revolving credit facility.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AmountAvailableUnderRevolvingCreditFacility_lbl" xml:lang="en-US" id="id_7341432_1311647_1_1">Amount Available Under Revolving Credit Facility</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AmountAvailableUnderRevolvingCreditFacility_lbl" xml:lang="en-US" id="id_7341432_1311647_2_1">Net availability under the Revolver Agreement</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_AmountAvailableUnderRevolvingCreditFacility" xlink:to="act_AmountAvailableUnderRevolvingCreditFacility_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AnchenAndParMember" xlink:label="act_AnchenAndParMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AnchenAndParMember_lbl" xml:lang="en-US" id="id_7341432_1613317_3_1">Anchen and Par [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AnchenAndParMember_lbl" xml:lang="en-US" id="id_7341432_1613317_1_1">Anchen and Par [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AnchenAndParMember_lbl" xml:lang="en-US" id="id_7341432_1613317_2_1">Anchen and Par [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_AnchenAndParMember" xlink:to="act_AnchenAndParMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AndaDistributionSegmentMember" xlink:label="act_AndaDistributionSegmentMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AndaDistributionSegmentMember_lbl" xml:lang="en-US" id="id_7341432_1479781_3_1">Anda Distribution Segment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AndaDistributionSegmentMember_lbl" xml:lang="en-US" id="id_7341432_1479781_1_1">Anda Distribution Segment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AndaDistributionSegmentMember_lbl" xml:lang="en-US" id="id_7341432_1479781_2_1">Anda Distribution [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_AndaDistributionSegmentMember" xlink:to="act_AndaDistributionSegmentMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AndrogelAntitrustLitigationMember" xlink:label="act_AndrogelAntitrustLitigationMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AndrogelAntitrustLitigationMember_lbl" xml:lang="en-US" id="id_7341432_1444486_3_1">Androgel Antitrust Litigation [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AndrogelAntitrustLitigationMember_lbl" xml:lang="en-US" id="id_7341432_1444486_1_1">Androgel Antitrust Litigation [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AndrogelAntitrustLitigationMember_lbl" xml:lang="en-US" id="id_7341432_1444486_2_1">Androgel Antitrust Litigation [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_AndrogelAntitrustLitigationMember" xlink:to="act_AndrogelAntitrustLitigationMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xml:lang="en-US" id="id_7341432_1280165_1_1">Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xml:lang="en-US" id="id_7341432_1280165_2_1">Stock awards outstanding, but not included in the computation of diluted EPS</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:to="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AptalisHoldingsIncMember" xlink:label="act_AptalisHoldingsIncMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AptalisHoldingsIncMember_lbl" xml:lang="en-US" id="id_7341432_1613246_3_1">Aptalis holdings inc.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AptalisHoldingsIncMember_lbl" xml:lang="en-US" id="id_7341432_1613246_1_1">Aptalis Holdings Inc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AptalisHoldingsIncMember_lbl" xml:lang="en-US" id="id_7341432_1613246_2_1">Aptalis Holdings, Inc. [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_AptalisHoldingsIncMember" xlink:to="act_AptalisHoldingsIncMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ArmourThyroidMember" xlink:label="act_ArmourThyroidMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ArmourThyroidMember_lbl" xml:lang="en-US" id="id_7341432_1596191_3_1">Armour thyroid.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ArmourThyroidMember_lbl" xml:lang="en-US" id="id_7341432_1596191_1_1">Armour Thyroid [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ArmourThyroidMember_lbl" xml:lang="en-US" id="id_7341432_1596191_2_1">Armour Thyroid [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ArmourThyroidMember" xlink:to="act_ArmourThyroidMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember_lbl" xml:lang="en-US" id="id_7341432_1275318_1_1">Arrangements and Non-arrangement Transactions [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember_lbl" xml:lang="en-US" id="id_7341432_1275318_2_1">Arrangements and Non-arrangement Transactions [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:to="us-gaap_ArrangementsAndNonarrangementTransactionsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ArrowGroupMember" xlink:label="act_ArrowGroupMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ArrowGroupMember_lbl" xml:lang="en-US" id="id_7341432_1299031_3_1">Arrow Group [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ArrowGroupMember_lbl" xml:lang="en-US" id="id_7341432_1299031_1_1">Arrow Group [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ArrowGroupMember_lbl" xml:lang="en-US" id="id_7341432_1299031_2_1">Arrow Group [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ArrowGroupMember" xlink:to="act_ArrowGroupMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AssetImpairmentAndNetLossOnSaleAndDisposalOfAssets" xlink:label="act_AssetImpairmentAndNetLossOnSaleAndDisposalOfAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AssetImpairmentAndNetLossOnSaleAndDisposalOfAssets_lbl" xml:lang="en-US" id="id_7341432_1319808_3_1">Asset impairment and net loss On sale and disposal of assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AssetImpairmentAndNetLossOnSaleAndDisposalOfAssets_lbl" xml:lang="en-US" id="id_7341432_1319808_1_1">Asset Impairment And Net Loss On Sale And Disposal Of Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AssetImpairmentAndNetLossOnSaleAndDisposalOfAssets_lbl" xml:lang="en-US" id="id_7341432_1319808_2_1">Net loss on impaired asset</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_AssetImpairmentAndNetLossOnSaleAndDisposalOfAssets" xlink:to="act_AssetImpairmentAndNetLossOnSaleAndDisposalOfAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AssetImpairmentCharges" xlink:label="us-gaap_AssetImpairmentCharges"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetImpairmentCharges_lbl" xml:lang="en-US" id="id_7341432_1285226_1_1">Asset Impairment Charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="us-gaap_AssetImpairmentCharges_lbl" xml:lang="en-US" id="id_7341432_1285226_32_1">Impairment of CMP asset</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AssetImpairmentCharges_lbl" xml:lang="en-US" id="id_7341432_1285226_2_1">Impairment charge</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AssetImpairmentCharges_lbl" xml:lang="en-US" id="id_7341432_1285226_12_1">Impairment of asset</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetImpairmentCharges" xlink:to="us-gaap_AssetImpairmentCharges_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_Assets" xlink:label="us-gaap_Assets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Assets_lbl" xml:lang="en-US" id="id_7341432_1287793_1_1">Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_Assets_lbl" xml:lang="en-US" id="id_7341432_1287793_2_1">Total assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_Assets_lbl" xml:lang="en-US" id="id_7341432_1287793_6_1">Total assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Assets" xlink:to="us-gaap_Assets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="us-gaap_AssetsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsAbstract_lbl" xml:lang="en-US" id="id_7341432_1273668_1_1">Assets [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AssetsAbstract_lbl" xml:lang="en-US" id="id_7341432_1273668_2_1">ASSETS</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AssetsAbstract_lbl" xml:lang="en-US" id="id_7341432_1273668_12_1">Assets:</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="us-gaap_AssetsCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsCurrent_lbl" xml:lang="en-US" id="id_7341432_1288812_1_1">Assets, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AssetsCurrent_lbl" xml:lang="en-US" id="id_7341432_1288812_2_1">Total current assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_AssetsCurrent_lbl" xml:lang="en-US" id="id_7341432_1288812_6_1">Total current assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsCurrent" xlink:to="us-gaap_AssetsCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="us-gaap_AssetsCurrentAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsCurrentAbstract_lbl" xml:lang="en-US" id="id_7341432_1276921_1_1">Assets, Current [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AssetsCurrentAbstract_lbl" xml:lang="en-US" id="id_7341432_1276921_2_1">Current assets:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="us-gaap_AssetsCurrentAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AssetsFairValueDisclosureRecurring" xlink:label="us-gaap_AssetsFairValueDisclosureRecurring"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsFairValueDisclosureRecurring_lbl" xml:lang="en-US" id="id_7341432_1285755_1_1">Assets, Fair Value Disclosure, Recurring</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_AssetsFairValueDisclosureRecurring_lbl" xml:lang="en-US" id="id_7341432_1285755_6_1">Total assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsFairValueDisclosureRecurring" xlink:to="us-gaap_AssetsFairValueDisclosureRecurring_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent" xlink:label="us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_lbl" xml:lang="en-US" id="id_7341432_1288302_1_1">Disposal Group, Including Discontinued Operation, Assets, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_lbl" xml:lang="en-US" id="id_7341432_1288302_32_1">Properties acquired, assets held for sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveTerseLabel" xlink:label="us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_lbl" xml:lang="en-US" id="id_7341432_1288302_33_1">Total assets held for sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_lbl" xml:lang="en-US" id="id_7341432_1288302_2_1">Asset held for sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_lbl" xml:lang="en-US" id="id_7341432_1288302_12_1">Current assets held for sale</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent" xlink:to="us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AstraZenecaMember" xlink:label="act_AstraZenecaMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AstraZenecaMember_lbl" xml:lang="en-US" id="id_7341432_1385879_3_1">Astra Zeneca [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AstraZenecaMember_lbl" xml:lang="en-US" id="id_7341432_1385879_1_1">Astra Zeneca [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AstraZenecaMember_lbl" xml:lang="en-US" id="id_7341432_1385879_2_1">AstraZeneca [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_AstraZenecaMember" xlink:to="act_AstraZenecaMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AtypicalFracturesOfTheFemurMember" xlink:label="act_AtypicalFracturesOfTheFemurMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AtypicalFracturesOfTheFemurMember_lbl" xml:lang="en-US" id="id_7341432_1473659_3_1">Atypical Fractures Of The Femur [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AtypicalFracturesOfTheFemurMember_lbl" xml:lang="en-US" id="id_7341432_1473659_1_1">Atypical Fractures Of The Femur [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AtypicalFracturesOfTheFemurMember_lbl" xml:lang="en-US" id="id_7341432_1473659_2_1">AFF-Related [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_AtypicalFracturesOfTheFemurMember" xlink:to="act_AtypicalFracturesOfTheFemurMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AudenMckenzieMember" xlink:label="act_AudenMckenzieMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AudenMckenzieMember_lbl" xml:lang="en-US" id="id_7341432_1611344_3_1">Auden Mckenzie [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AudenMckenzieMember_lbl" xml:lang="en-US" id="id_7341432_1611344_1_1">Auden Mckenzie [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AudenMckenzieMember_lbl" xml:lang="en-US" id="id_7341432_1611344_2_1">Auden Mckenzie [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_AudenMckenzieMember" xlink:to="act_AudenMckenzieMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_AurobindoMember" xlink:label="act_AurobindoMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_AurobindoMember_lbl" xml:lang="en-US" id="id_7341432_1613316_3_1">Aurobindo [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_AurobindoMember_lbl" xml:lang="en-US" id="id_7341432_1613316_1_1">Aurobindo [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_AurobindoMember_lbl" xml:lang="en-US" id="id_7341432_1613316_2_1">Aurobindo [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_AurobindoMember" xlink:to="act_AurobindoMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AvailableForSaleSecurities" xlink:label="us-gaap_AvailableForSaleSecurities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AvailableForSaleSecurities_lbl" xml:lang="en-US" id="id_7341432_1285760_1_1">Available-for-sale Securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AvailableForSaleSecurities_lbl" xml:lang="en-US" id="id_7341432_1285760_2_1">Fair Value</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecurities" xlink:to="us-gaap_AvailableForSaleSecurities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AvailableForSaleSecuritiesAbstract" xlink:label="us-gaap_AvailableForSaleSecuritiesAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AvailableForSaleSecuritiesAbstract_lbl" xml:lang="en-US" id="id_7341432_1271956_1_1">Available-for-sale Securities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AvailableForSaleSecuritiesAbstract_lbl" xml:lang="en-US" id="id_7341432_1271956_2_1">Marketable securities:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesAbstract" xlink:to="us-gaap_AvailableForSaleSecuritiesAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" xlink:label="us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_lbl" xml:lang="en-US" id="id_7341432_1284698_1_1">Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_lbl" xml:lang="en-US" id="id_7341432_1284698_14_1">Gross Unrealized Gains</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" xlink:to="us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" xlink:label="us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_lbl" xml:lang="en-US" id="id_7341432_1286779_1_1">Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_lbl" xml:lang="en-US" id="id_7341432_1286779_2_1">Gross Unrealized Losses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" xlink:to="us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AvailableForSaleSecuritiesAmortizedCost" xlink:label="us-gaap_AvailableForSaleSecuritiesAmortizedCost"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AvailableForSaleSecuritiesAmortizedCost_lbl" xml:lang="en-US" id="id_7341432_1288311_1_1">Available-for-sale Securities, Amortized Cost Basis</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_AvailableForSaleSecuritiesAmortizedCost_lbl" xml:lang="en-US" id="id_7341432_1288311_6_1">Amortized Cost</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesAmortizedCost" xlink:to="us-gaap_AvailableForSaleSecuritiesAmortizedCost_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent_lbl" xml:lang="en-US" id="id_7341432_1287808_1_1">Available-for-sale Securities, Debt Securities, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent_lbl" xml:lang="en-US" id="id_7341432_1287808_2_1">U.S. Treasury and agency securities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent" xlink:to="us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AvailableForSaleSecuritiesTextBlock" xlink:label="us-gaap_AvailableForSaleSecuritiesTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AvailableForSaleSecuritiesTextBlock_lbl" xml:lang="en-US" id="id_7341432_1268732_1_1">Available-for-sale Securities [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AvailableForSaleSecuritiesTextBlock_lbl" xml:lang="en-US" id="id_7341432_1268732_2_1">Summary of Fair Value and Unrealized Gains (Losses) Related to Available-for-Sale Securities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesTextBlock" xlink:to="us-gaap_AvailableForSaleSecuritiesTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="us-gaap_AwardTypeAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AwardTypeAxis_lbl" xml:lang="en-US" id="id_7341432_1270313_1_1">Award Type [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AwardTypeAxis_lbl" xml:lang="en-US" id="id_7341432_1270313_2_1">Award Type [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AwardTypeAxis" xlink:to="us-gaap_AwardTypeAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BaseRateMember" xlink:label="us-gaap_BaseRateMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BaseRateMember_lbl" xml:lang="en-US" id="id_7341432_1276956_1_1">Base Rate [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BaseRateMember_lbl" xml:lang="en-US" id="id_7341432_1276956_2_1">Base Rate [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BaseRateMember" xlink:to="us-gaap_BaseRateMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl" xml:lang="en-US" id="id_7341432_1268714_1_1">Basis of Accounting, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl" xml:lang="en-US" id="id_7341432_1268714_2_1">Basis of Presentation</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:to="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BondsMember" xlink:label="us-gaap_BondsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BondsMember_lbl" xml:lang="en-US" id="id_7341432_1280206_1_1">Bonds [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BondsMember_lbl" xml:lang="en-US" id="id_7341432_1280206_2_1">Bonds [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BondsMember" xlink:to="us-gaap_BondsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_BrandedPrescriptionDrugFeeMember" xlink:label="act_BrandedPrescriptionDrugFeeMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_BrandedPrescriptionDrugFeeMember_lbl" xml:lang="en-US" id="id_7341432_1610580_3_1">Branded prescription drug fee.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_BrandedPrescriptionDrugFeeMember_lbl" xml:lang="en-US" id="id_7341432_1610580_1_1">Branded Prescription Drug Fee [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_BrandedPrescriptionDrugFeeMember_lbl" xml:lang="en-US" id="id_7341432_1610580_2_1">Branded Prescription Drug Fee [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_BrandedPrescriptionDrugFeeMember" xlink:to="act_BrandedPrescriptionDrugFeeMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_BrandedPrescriptionDrugFeePolicyTextBlock" xlink:label="act_BrandedPrescriptionDrugFeePolicyTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_BrandedPrescriptionDrugFeePolicyTextBlock_lbl" xml:lang="en-US" id="id_7341432_1610579_3_1">Branded Prescription Drug Fee [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_BrandedPrescriptionDrugFeePolicyTextBlock_lbl" xml:lang="en-US" id="id_7341432_1610579_1_1">Branded Prescription Drug Fee [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_BrandedPrescriptionDrugFeePolicyTextBlock_lbl" xml:lang="en-US" id="id_7341432_1610579_2_1">Branded Prescription Drug Fee</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_BrandedPrescriptionDrugFeePolicyTextBlock" xlink:to="act_BrandedPrescriptionDrugFeePolicyTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_BrandPharmaceuticalProductFamiliesMember" xlink:label="act_BrandPharmaceuticalProductFamiliesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_BrandPharmaceuticalProductFamiliesMember_lbl" xml:lang="en-US" id="id_7341432_1604879_3_1">Brand pharmaceutical product families.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_BrandPharmaceuticalProductFamiliesMember_lbl" xml:lang="en-US" id="id_7341432_1604879_1_1">Brand Pharmaceutical Product Families [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_BrandPharmaceuticalProductFamiliesMember_lbl" xml:lang="en-US" id="id_7341432_1604879_2_1">Brand Pharmaceutical Product Families [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_BrandPharmaceuticalProductFamiliesMember" xlink:to="act_BrandPharmaceuticalProductFamiliesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_BreathLimitedMember" xlink:label="act_BreathLimitedMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_BreathLimitedMember_lbl" xml:lang="en-US" id="id_7341432_1613800_3_1">Breath Limited [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_BreathLimitedMember_lbl" xml:lang="en-US" id="id_7341432_1613800_1_1">Breath Limited [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_BreathLimitedMember_lbl" xml:lang="en-US" id="id_7341432_1613800_2_1">Breath Limited [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_BreathLimitedMember" xlink:to="act_BreathLimitedMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_BridgeCreditAgreementMember" xlink:label="act_BridgeCreditAgreementMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_BridgeCreditAgreementMember_lbl" xml:lang="en-US" id="id_7341432_1395642_3_1">Bridge Credit Agreement [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_BridgeCreditAgreementMember_lbl" xml:lang="en-US" id="id_7341432_1395642_1_1">Bridge Credit Agreement [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_BridgeCreditAgreementMember_lbl" xml:lang="en-US" id="id_7341432_1395642_2_1">Bridge Credit Agreement [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_BridgeCreditAgreementMember" xlink:to="act_BridgeCreditAgreementMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BridgeLoan" xlink:label="us-gaap_BridgeLoan"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BridgeLoan_lbl" xml:lang="en-US" id="id_7341432_1284283_1_1">Bridge Loan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BridgeLoan_lbl" xml:lang="en-US" id="id_7341432_1284283_2_1">Bridge loan commitment</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BridgeLoan" xlink:to="us-gaap_BridgeLoan_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BridgeLoanMember" xlink:label="us-gaap_BridgeLoanMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BridgeLoanMember_lbl" xml:lang="en-US" id="id_7341432_1268729_1_1">Bridge Loan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BridgeLoanMember_lbl" xml:lang="en-US" id="id_7341432_1268729_2_1">Bridge Loan Facilities [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BridgeLoanMember" xlink:to="us-gaap_BridgeLoanMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_BuildingBuildingImprovementsAndLeaseholdImprovementsMember" xlink:label="act_BuildingBuildingImprovementsAndLeaseholdImprovementsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_BuildingBuildingImprovementsAndLeaseholdImprovementsMember_lbl" xml:lang="en-US" id="id_7341432_1433197_3_1">Buildings, Improvements, Leasehold Improvements And Other [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_BuildingBuildingImprovementsAndLeaseholdImprovementsMember_lbl" xml:lang="en-US" id="id_7341432_1433197_1_1">Building Building Improvements And Leasehold Improvements [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_BuildingBuildingImprovementsAndLeaseholdImprovementsMember_lbl" xml:lang="en-US" id="id_7341432_1433197_2_1">Buildings, Improvements, Leasehold Improvements and Other [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_BuildingBuildingImprovementsAndLeaseholdImprovementsMember" xlink:to="act_BuildingBuildingImprovementsAndLeaseholdImprovementsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain_lbl" xml:lang="en-US" id="id_7341432_1268730_1_1">Business Acquisition, Acquiree [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain_lbl" xml:lang="en-US" id="id_7341432_1268730_2_1">Business Acquisition, Acquiree [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionAcquireeDomain" xlink:to="us-gaap_BusinessAcquisitionAcquireeDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_BusinessAcquisitionAdditionalContingentConsiderationPerShare" xlink:label="act_BusinessAcquisitionAdditionalContingentConsiderationPerShare"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_BusinessAcquisitionAdditionalContingentConsiderationPerShare_lbl" xml:lang="en-US" id="id_7341432_1597548_3_1">Business Acquisition Additional Contingent Consideration Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_BusinessAcquisitionAdditionalContingentConsiderationPerShare_lbl" xml:lang="en-US" id="id_7341432_1597548_1_1">Business Acquisition Additional Contingent Consideration Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_BusinessAcquisitionAdditionalContingentConsiderationPerShare_lbl" xml:lang="en-US" id="id_7341432_1597548_2_1">Additional consideration for contingent value rights</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_BusinessAcquisitionAdditionalContingentConsiderationPerShare" xlink:to="act_BusinessAcquisitionAdditionalContingentConsiderationPerShare_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_BusinessAcquisitionAdditionalContingentConsiderationShares" xlink:label="act_BusinessAcquisitionAdditionalContingentConsiderationShares"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_BusinessAcquisitionAdditionalContingentConsiderationShares_lbl" xml:lang="en-US" id="id_7341432_1541364_3_1">Business Acquisition Additional Contingent Consideration Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_BusinessAcquisitionAdditionalContingentConsiderationShares_lbl" xml:lang="en-US" id="id_7341432_1541364_1_1">Business Acquisition Additional Contingent Consideration Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_BusinessAcquisitionAdditionalContingentConsiderationShares_lbl" xml:lang="en-US" id="id_7341432_1541364_2_1">Contingent consideration</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_BusinessAcquisitionAdditionalContingentConsiderationShares" xlink:to="act_BusinessAcquisitionAdditionalContingentConsiderationShares_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="us-gaap_BusinessAcquisitionAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessAcquisitionAxis_lbl" xml:lang="en-US" id="id_7341432_1276960_1_1">Business Acquisition [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BusinessAcquisitionAxis_lbl" xml:lang="en-US" id="id_7341432_1276960_2_1">Business Acquisition [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionAxis" xlink:to="us-gaap_BusinessAcquisitionAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_BusinessAcquisitionChangesInValueOfInventories" xlink:label="act_BusinessAcquisitionChangesInValueOfInventories"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_BusinessAcquisitionChangesInValueOfInventories_lbl" xml:lang="en-US" id="id_7341432_1388931_3_1">Fair value step-up of finished goods inventory associated with business acquisitions.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_BusinessAcquisitionChangesInValueOfInventories_lbl" xml:lang="en-US" id="id_7341432_1388931_1_1">Business Acquisition Changes In Value Of Inventories</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_BusinessAcquisitionChangesInValueOfInventories_lbl" xml:lang="en-US" id="id_7341432_1388931_2_1">Finished goods inventory, fair value step-up</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="act_BusinessAcquisitionChangesInValueOfInventories_lbl" xml:lang="en-US" id="id_7341432_1388931_12_1">Step-up in the value of inventories</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_BusinessAcquisitionChangesInValueOfInventories" xlink:to="act_BusinessAcquisitionChangesInValueOfInventories_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_BusinessAcquisitionConsiderationPaid" xlink:label="act_BusinessAcquisitionConsiderationPaid"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_BusinessAcquisitionConsiderationPaid_lbl" xml:lang="en-US" id="id_7341432_1432389_3_1">Business Acquisition Consideration Paid</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_BusinessAcquisitionConsiderationPaid_lbl" xml:lang="en-US" id="id_7341432_1432389_1_1">Business Acquisition Consideration Paid</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_BusinessAcquisitionConsiderationPaid_lbl" xml:lang="en-US" id="id_7341432_1432389_2_1">Product acquired, approximate acquisition consideration</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_BusinessAcquisitionConsiderationPaid" xlink:to="act_BusinessAcquisitionConsiderationPaid_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_BusinessAcquisitionContingentConsiderationChargedToEarnings" xlink:label="act_BusinessAcquisitionContingentConsiderationChargedToEarnings"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_BusinessAcquisitionContingentConsiderationChargedToEarnings_lbl" xml:lang="en-US" id="id_7341432_1453872_3_1">Business Acquisition Contingent Consideration Charged To Earnings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_BusinessAcquisitionContingentConsiderationChargedToEarnings_lbl" xml:lang="en-US" id="id_7341432_1453872_1_1">Business Acquisition Contingent Consideration Charged To Earnings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_BusinessAcquisitionContingentConsiderationChargedToEarnings_lbl" xml:lang="en-US" id="id_7341432_1453872_2_1">Written off contingent liability</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_BusinessAcquisitionContingentConsiderationChargedToEarnings" xlink:to="act_BusinessAcquisitionContingentConsiderationChargedToEarnings_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_BusinessAcquisitionContingentConsiderationExpense" xlink:label="act_BusinessAcquisitionContingentConsiderationExpense"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_BusinessAcquisitionContingentConsiderationExpense_lbl" xml:lang="en-US" id="id_7341432_1431858_3_1">Business Acquisition Contingent Consideration Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_BusinessAcquisitionContingentConsiderationExpense_lbl" xml:lang="en-US" id="id_7341432_1431858_1_1">Business Acquisition Contingent Consideration Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_BusinessAcquisitionContingentConsiderationExpense_lbl" xml:lang="en-US" id="id_7341432_1431858_2_1">Contingent consideration expense</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_BusinessAcquisitionContingentConsiderationExpense" xlink:to="act_BusinessAcquisitionContingentConsiderationExpense_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessAcquisitionContingentConsiderationLineItems" xlink:label="us-gaap_BusinessAcquisitionContingentConsiderationLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessAcquisitionContingentConsiderationLineItems_lbl" xml:lang="en-US" id="id_7341432_1280212_1_1">Business Acquisition, Contingent Consideration [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BusinessAcquisitionContingentConsiderationLineItems_lbl" xml:lang="en-US" id="id_7341432_1280212_2_1">Business Acquisition, Contingent Consideration [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionContingentConsiderationLineItems" xlink:to="us-gaap_BusinessAcquisitionContingentConsiderationLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessAcquisitionDateOfAcquisitionAgreement1" xlink:label="us-gaap_BusinessAcquisitionDateOfAcquisitionAgreement1"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessAcquisitionDateOfAcquisitionAgreement1_lbl" xml:lang="en-US" id="id_7341432_1268724_1_1">Business Acquisition, Date of Acquisition Agreement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BusinessAcquisitionDateOfAcquisitionAgreement1_lbl" xml:lang="en-US" id="id_7341432_1268724_2_1">Agreement date of the transaction</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_BusinessAcquisitionDateOfAcquisitionAgreement1_lbl" xml:lang="en-US" id="id_7341432_1268724_12_1">Business acquisition, effective agreement date</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionDateOfAcquisitionAgreement1" xlink:to="us-gaap_BusinessAcquisitionDateOfAcquisitionAgreement1_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_BusinessAcquisitionDescriptionOfAcquiredRightsOfProduct" xlink:label="act_BusinessAcquisitionDescriptionOfAcquiredRightsOfProduct"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_BusinessAcquisitionDescriptionOfAcquiredRightsOfProduct_lbl" xml:lang="en-US" id="id_7341432_1376854_3_1">Business Acquisition Description Of Acquired Rights Of Product</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_BusinessAcquisitionDescriptionOfAcquiredRightsOfProduct_lbl" xml:lang="en-US" id="id_7341432_1376854_1_1">Business Acquisition Description Of Acquired Rights Of Product</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_BusinessAcquisitionDescriptionOfAcquiredRightsOfProduct_lbl" xml:lang="en-US" id="id_7341432_1376854_2_1">Product acquired</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_BusinessAcquisitionDescriptionOfAcquiredRightsOfProduct" xlink:to="act_BusinessAcquisitionDescriptionOfAcquiredRightsOfProduct_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessAcquisitionEffectiveDateOfAcquisition1" xlink:label="us-gaap_BusinessAcquisitionEffectiveDateOfAcquisition1"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessAcquisitionEffectiveDateOfAcquisition1_lbl" xml:lang="en-US" id="id_7341432_1280213_1_1">Business Acquisition, Effective Date of Acquisition</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BusinessAcquisitionEffectiveDateOfAcquisition1_lbl" xml:lang="en-US" id="id_7341432_1280213_2_1">Business acquisition date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_BusinessAcquisitionEffectiveDateOfAcquisition1_lbl" xml:lang="en-US" id="id_7341432_1280213_12_1">Business acquisition, effective agreement date</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionEffectiveDateOfAcquisition1" xlink:to="us-gaap_BusinessAcquisitionEffectiveDateOfAcquisition1_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued" xlink:label="us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued_lbl" xml:lang="en-US" id="id_7341432_1275350_1_1">Business Acquisition, Equity Interest Issued or Issuable, Number of Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued_lbl" xml:lang="en-US" id="id_7341432_1275350_2_1">Shares issued to acquire entity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued" xlink:to="us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="us-gaap_BusinessAcquisitionLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessAcquisitionLineItems_lbl" xml:lang="en-US" id="id_7341432_1276962_1_1">Business Acquisition [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BusinessAcquisitionLineItems_lbl" xml:lang="en-US" id="id_7341432_1276962_2_1">Business Acquisition [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionLineItems" xlink:to="us-gaap_BusinessAcquisitionLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessAcquisitionProFormaInformationTextBlock" xlink:label="us-gaap_BusinessAcquisitionProFormaInformationTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessAcquisitionProFormaInformationTextBlock_lbl" xml:lang="en-US" id="id_7341432_1275354_1_1">Business Acquisition, Pro Forma Information [Table Text Block]</label>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_BusinessAcquisitionPurchasePriceAllocationLongTermDebtAndCapitalLeaseObligationAccrual" xlink:label="act_BusinessAcquisitionPurchasePriceAllocationLongTermDebtAndCapitalLeaseObligationAccrual"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_BusinessAcquisitionPurchasePriceAllocationLongTermDebtAndCapitalLeaseObligationAccrual_lbl" xml:lang="en-US" id="id_7341432_1477887_3_1">Long term debt and capital leases assumed as part of purchase price.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_BusinessAcquisitionPurchasePriceAllocationLongTermDebtAndCapitalLeaseObligationAccrual_lbl" xml:lang="en-US" id="id_7341432_1477887_1_1">Business Acquisition Purchase Price Allocation Long Term Debt And Capital Lease Obligation Accrual</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="act_BusinessAcquisitionPurchasePriceAllocationLongTermDebtAndCapitalLeaseObligationAccrual_lbl" xml:lang="en-US" id="id_7341432_1477887_14_1">Debt</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_BusinessAcquisitionPurchasePriceAllocationLongTermDebtAndCapitalLeaseObligationAccrual" xlink:to="act_BusinessAcquisitionPurchasePriceAllocationLongTermDebtAndCapitalLeaseObligationAccrual_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_BusinessAcquisitionPurchasePriceConsiderationDescription" xlink:label="act_BusinessAcquisitionPurchasePriceConsiderationDescription"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_BusinessAcquisitionPurchasePriceConsiderationDescription_lbl" xml:lang="en-US" id="id_7341432_1568898_3_1">Business Acquisition Purchase Price Consideration Description</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_BusinessAcquisitionPurchasePriceConsiderationDescription_lbl" xml:lang="en-US" id="id_7341432_1568898_1_1">Business Acquisition Purchase Price Consideration Description</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_BusinessAcquisitionPurchasePriceConsiderationDescription_lbl" xml:lang="en-US" id="id_7341432_1568898_2_1">Business acquisition purchase price consideration description</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessAcquisitionSharePrice" xlink:label="us-gaap_BusinessAcquisitionSharePrice"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessAcquisitionSharePrice_lbl" xml:lang="en-US" id="id_7341432_1276968_1_1">Business Acquisition, Share Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BusinessAcquisitionSharePrice_lbl" xml:lang="en-US" id="id_7341432_1276968_2_1">Business combination cash consideration for each share</label>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_BusinessAcquisitionUpfrontPayment" xlink:label="act_BusinessAcquisitionUpfrontPayment"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_BusinessAcquisitionUpfrontPayment_lbl" xml:lang="en-US" id="id_7341432_1491561_3_1">Business Acquisition Upfront Payment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_BusinessAcquisitionUpfrontPayment_lbl" xml:lang="en-US" id="id_7341432_1491561_1_1">Business Acquisition Upfront Payment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_BusinessAcquisitionUpfrontPayment_lbl" xml:lang="en-US" id="id_7341432_1491561_2_1">Business acquisition upfront payment</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_BusinessAcquisitionUpfrontPayment" xlink:to="act_BusinessAcquisitionUpfrontPayment_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessCombinationAcquiredReceivablesFairValue" xlink:label="us-gaap_BusinessCombinationAcquiredReceivablesFairValue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessCombinationAcquiredReceivablesFairValue_lbl" xml:lang="en-US" id="id_7341432_1288840_1_1">Business Combination, Acquired Receivables, Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BusinessCombinationAcquiredReceivablesFairValue_lbl" xml:lang="en-US" id="id_7341432_1288840_2_1">Accounts receivable</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationAcquiredReceivablesFairValue" xlink:to="us-gaap_BusinessCombinationAcquiredReceivablesFairValue_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_BusinessCombinationAssetHeldForSale" xlink:label="act_BusinessCombinationAssetHeldForSale"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_BusinessCombinationAssetHeldForSale_lbl" xml:lang="en-US" id="id_7341432_1591816_3_1">Business combination asset held for sale.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_BusinessCombinationAssetHeldForSale_lbl" xml:lang="en-US" id="id_7341432_1591816_1_1">Business Combination Asset Held For Sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_BusinessCombinationAssetHeldForSale_lbl" xml:lang="en-US" id="id_7341432_1591816_2_1">Properties acquired, assets held for sale</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_BusinessCombinationAssetHeldForSale" xlink:to="act_BusinessCombinationAssetHeldForSale_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_BusinessCombinationConsiderationSharesPerShare" xlink:label="act_BusinessCombinationConsiderationSharesPerShare"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_BusinessCombinationConsiderationSharesPerShare_lbl" xml:lang="en-US" id="id_7341432_1597081_3_1">Business combination consideration shares per share.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_BusinessCombinationConsiderationSharesPerShare_lbl" xml:lang="en-US" id="id_7341432_1597081_1_1">Business Combination Consideration Shares Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_BusinessCombinationConsiderationSharesPerShare_lbl" xml:lang="en-US" id="id_7341432_1597081_2_1">Business combination shares issued for each share</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_BusinessCombinationConsiderationSharesPerShare" xlink:to="act_BusinessCombinationConsiderationSharesPerShare_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferred1" xlink:label="us-gaap_BusinessCombinationConsiderationTransferred1"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessCombinationConsiderationTransferred1_lbl" xml:lang="en-US" id="id_7341432_1283824_1_1">Business Combination, Consideration Transferred</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BusinessCombinationConsiderationTransferred1_lbl" xml:lang="en-US" id="id_7341432_1283824_2_1">Business acquisition price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_BusinessCombinationConsiderationTransferred1_lbl" xml:lang="en-US" id="id_7341432_1283824_12_1">Fair value on business consideration sold</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationConsiderationTransferred1" xlink:to="us-gaap_BusinessCombinationConsiderationTransferred1_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable" xlink:label="us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_lbl" xml:lang="en-US" id="id_7341432_1284686_1_1">Business Combination, Consideration Transferred, Equity Interests Issued and Issuable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_lbl" xml:lang="en-US" id="id_7341432_1284686_2_1">Equity consideration</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_lbl" xml:lang="en-US" id="id_7341432_1284686_12_1">Total consideration</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable" xlink:to="us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableCash" xlink:label="act_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableCash"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableCash_lbl" xml:lang="en-US" id="id_7341432_1557309_3_1">Business Combination Consideration Transferred Equity Interests Issued And Issuable Cash</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableCash_lbl" xml:lang="en-US" id="id_7341432_1557309_1_1">Business Combination Consideration Transferred Equity Interests Issued And Issuable Cash</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableCash_lbl" xml:lang="en-US" id="id_7341432_1557309_2_1">Equity consideration</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableCash" xlink:to="act_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuableCash_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred" xlink:label="us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred_lbl" xml:lang="en-US" id="id_7341432_1284276_1_1">Business Combination, Consideration Transferred, Liabilities Incurred</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred_lbl" xml:lang="en-US" id="id_7341432_1284276_2_1">Assumption of debt and other liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred" xlink:to="us-gaap_BusinessCombinationConsiderationTransferredLiabilitiesIncurred_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessCombinationContingentConsiderationLiability" xlink:label="us-gaap_BusinessCombinationContingentConsiderationLiability"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessCombinationContingentConsiderationLiability_lbl" xml:lang="en-US" id="id_7341432_1283372_1_1">Business Combination, Contingent Consideration, Liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BusinessCombinationContingentConsiderationLiability_lbl" xml:lang="en-US" id="id_7341432_1283372_2_1">Contingent consideration</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_BusinessCombinationContingentConsiderationLiability_lbl" xml:lang="en-US" id="id_7341432_1283372_12_1">Contingent consideration liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_BusinessCombinationContingentConsiderationLiability_lbl" xml:lang="en-US" id="id_7341432_1283372_14_1">Contingent consideration</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationContingentConsiderationLiability" xlink:to="us-gaap_BusinessCombinationContingentConsiderationLiability_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_BusinessCombinationIncreaseDecreaseToReflectLiabilitiesAcquiredAtFairValueAbstract" xlink:label="act_BusinessCombinationIncreaseDecreaseToReflectLiabilitiesAcquiredAtFairValueAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_BusinessCombinationIncreaseDecreaseToReflectLiabilitiesAcquiredAtFairValueAbstract_lbl" xml:lang="en-US" id="id_7341432_1475163_3_1">Business Combination Increase Decrease To Reflect Liabilities Acquired At Fair Value [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_BusinessCombinationIncreaseDecreaseToReflectLiabilitiesAcquiredAtFairValueAbstract_lbl" xml:lang="en-US" id="id_7341432_1475163_1_1">Business Combination Increase Decrease To Reflect Liabilities Acquired At Fair Value [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_BusinessCombinationIncreaseDecreaseToReflectLiabilitiesAcquiredAtFairValueAbstract_lbl" xml:lang="en-US" id="id_7341432_1475163_2_1">Business Combination Increase Decrease To Reflect Liabilities Acquired At Fair Value [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_BusinessCombinationIncreaseDecreaseToReflectLiabilitiesAcquiredAtFairValueAbstract" xlink:to="act_BusinessCombinationIncreaseDecreaseToReflectLiabilitiesAcquiredAtFairValueAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessCombinationIntegrationRelatedCosts" xlink:label="us-gaap_BusinessCombinationIntegrationRelatedCosts"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessCombinationIntegrationRelatedCosts_lbl" xml:lang="en-US" id="id_7341432_1285252_1_1">Business Combination, Integration Related Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BusinessCombinationIntegrationRelatedCosts_lbl" xml:lang="en-US" id="id_7341432_1285252_2_1">Integration charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_BusinessCombinationIntegrationRelatedCosts_lbl" xml:lang="en-US" id="id_7341432_1285252_12_1">Total integration costs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationIntegrationRelatedCosts" xlink:to="us-gaap_BusinessCombinationIntegrationRelatedCosts_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_BusinessCombinationNumberOfContingentValueRightIssuedPerShare" xlink:label="act_BusinessCombinationNumberOfContingentValueRightIssuedPerShare"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_BusinessCombinationNumberOfContingentValueRightIssuedPerShare_lbl" xml:lang="en-US" id="id_7341432_1604883_3_1">Business Combination Number Of Contingent Value Right Issued Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_BusinessCombinationNumberOfContingentValueRightIssuedPerShare_lbl" xml:lang="en-US" id="id_7341432_1604883_1_1">Business Combination Number Of Contingent Value Right Issued Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_BusinessCombinationNumberOfContingentValueRightIssuedPerShare_lbl" xml:lang="en-US" id="id_7341432_1604883_2_1">Number of contingent value right per share</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_BusinessCombinationNumberOfContingentValueRightIssuedPerShare" xlink:to="act_BusinessCombinationNumberOfContingentValueRightIssuedPerShare_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_BusinessCombinationPortionOfOutstandingEquityAwardsDeemedExpense" xlink:label="act_BusinessCombinationPortionOfOutstandingEquityAwardsDeemedExpense"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_BusinessCombinationPortionOfOutstandingEquityAwardsDeemedExpense_lbl" xml:lang="en-US" id="id_7341432_1596224_3_1">Business combination portion of outstanding equity awards deemed expense.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_BusinessCombinationPortionOfOutstandingEquityAwardsDeemedExpense_lbl" xml:lang="en-US" id="id_7341432_1596224_1_1">Business Combination Portion Of Outstanding Equity Awards Deemed Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_BusinessCombinationPortionOfOutstandingEquityAwardsDeemedExpense_lbl" xml:lang="en-US" id="id_7341432_1596224_2_1">Portion of equity awards deemed expense</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_BusinessCombinationPortionOfOutstandingEquityAwardsDeemedExpense" xlink:to="act_BusinessCombinationPortionOfOutstandingEquityAwardsDeemedExpense_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_BusinessCombinationPortionOfOutstandingEquityAwardsDeemedNotToHaveBeenEarned" xlink:label="act_BusinessCombinationPortionOfOutstandingEquityAwardsDeemedNotToHaveBeenEarned"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_BusinessCombinationPortionOfOutstandingEquityAwardsDeemedNotToHaveBeenEarned_lbl" xml:lang="en-US" id="id_7341432_1501558_3_1">Business Combination Portion Of Outstanding Equity Awards Deemed Not To Have Been Earned</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_BusinessCombinationPortionOfOutstandingEquityAwardsDeemedNotToHaveBeenEarned_lbl" xml:lang="en-US" id="id_7341432_1501558_1_1">Business Combination Portion Of Outstanding Equity Awards Deemed Not To Have Been Earned</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_BusinessCombinationPortionOfOutstandingEquityAwardsDeemedNotToHaveBeenEarned_lbl" xml:lang="en-US" id="id_7341432_1501558_2_1">Portion of equity awards deemed not to have been earned</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_BusinessCombinationPortionOfOutstandingEquityAwardsDeemedNotToHaveBeenEarned" xlink:to="act_BusinessCombinationPortionOfOutstandingEquityAwardsDeemedNotToHaveBeenEarned_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_BusinessCombinationPortionOfOutstandingEquityAwardsDeemedToHaveBeenEarned" xlink:label="act_BusinessCombinationPortionOfOutstandingEquityAwardsDeemedToHaveBeenEarned"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_BusinessCombinationPortionOfOutstandingEquityAwardsDeemedToHaveBeenEarned_lbl" xml:lang="en-US" id="id_7341432_1330144_3_1">Business Combination Portion Of Outstanding Equity Awards Deemed To Have Been Earned</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_lbl" xml:lang="en-US" id="id_7341432_1284272_1_1">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_lbl" xml:lang="en-US" id="id_7341432_1284272_14_1">Other long-term liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther" xlink:to="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherAssetsLiabilitiesNet" xlink:label="act_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherAssetsLiabilitiesNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherAssetsLiabilitiesNet_lbl" xml:lang="en-US" id="id_7341432_1433691_3_1">Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Other Assets Liabilities Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherAssetsLiabilitiesNet_lbl" xml:lang="en-US" id="id_7341432_1433691_1_1">Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Other Assets Liabilities Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherAssetsLiabilitiesNet_lbl" xml:lang="en-US" id="id_7341432_1433691_2_1">Other assets and liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherAssetsLiabilitiesNet" xlink:to="act_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherAssetsLiabilitiesNet_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherLongTermAssets" xlink:label="act_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherLongTermAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherLongTermAssets_lbl" xml:lang="en-US" id="id_7341432_1311473_3_1">The amount of other long term assets recognized as of the acquisition date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherLongTermAssets_lbl" xml:lang="en-US" id="id_7341432_1311473_1_1">Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Other Long Term Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherLongTermAssets_lbl" xml:lang="en-US" id="id_7341432_1311473_2_1">Other long-term assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherLongTermAssets" xlink:to="act_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherLongTermAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherTaxesPayable" xlink:label="act_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherTaxesPayable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherTaxesPayable_lbl" xml:lang="en-US" id="id_7341432_1596981_3_1">Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed other Taxes Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherTaxesPayable_lbl" xml:lang="en-US" id="id_7341432_1596981_1_1">Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed other Taxes Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="act_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherTaxesPayable_lbl" xml:lang="en-US" id="id_7341432_1596981_14_1">Other taxes payable</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherTaxesPayable" xlink:to="act_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherTaxesPayable_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_lbl" xml:lang="en-US" id="id_7341432_1285778_1_1">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_lbl" xml:lang="en-US" id="id_7341432_1285778_2_1">Property, plant &amp; equipment</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment" xlink:to="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRestructuringLiabilities" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRestructuringLiabilities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRestructuringLiabilities_lbl" xml:lang="en-US" id="id_7341432_1282004_1_1">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Restructuring Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRestructuringLiabilities_lbl" xml:lang="en-US" id="id_7341432_1282004_2_1">Assumed Liability</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRestructuringLiabilities" xlink:to="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedRestructuringLiabilities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessCombinationsAbstract" xlink:label="us-gaap_BusinessCombinationsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessCombinationsAbstract_lbl" xml:lang="en-US" id="id_7341432_1276978_1_1">Business Combinations [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BusinessCombinationsAbstract_lbl" xml:lang="en-US" id="id_7341432_1276978_2_1">Business Combinations [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationsAbstract" xlink:to="us-gaap_BusinessCombinationsAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue1" xlink:label="us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue1"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue1_lbl" xml:lang="en-US" id="id_7341432_1282011_1_1">Business Combination, Step Acquisition, Equity Interest in Acquiree, Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue1_lbl" xml:lang="en-US" id="id_7341432_1282011_2_1">Value of equity shares outstanding</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue1" xlink:to="us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeFairValue1_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_BystolicFranchiseMember" xlink:label="act_BystolicFranchiseMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_BystolicFranchiseMember_lbl" xml:lang="en-US" id="id_7341432_1596187_3_1">Bystolic franchise.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_BystolicFranchiseMember_lbl" xml:lang="en-US" id="id_7341432_1596187_1_1">Bystolic Franchise [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_BystolicFranchiseMember_lbl" xml:lang="en-US" id="id_7341432_1596187_2_1">Bystolic Franchise [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_BystolicFranchiseMember" xlink:to="act_BystolicFranchiseMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_BystolicMember" xlink:label="act_BystolicMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_BystolicMember_lbl" xml:lang="en-US" id="id_7341432_1592208_3_1">Bystolic [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_BystolicMember_lbl" xml:lang="en-US" id="id_7341432_1592208_1_1">Bystolic [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_BystolicMember_lbl" xml:lang="en-US" id="id_7341432_1592208_2_1">Bystolic [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_BystolicMember" xlink:to="act_BystolicMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_CA" xlink:label="country_CA"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="country_CA_lbl" xml:lang="en-US" id="id_7341432_1271478_1_1">CANADA</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="country_CA_lbl" xml:lang="en-US" id="id_7341432_1271478_2_1">Canada [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="country_CA" xlink:to="country_CA_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_CanasaAndSalofalkMember" xlink:label="act_CanasaAndSalofalkMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_CanasaAndSalofalkMember_lbl" xml:lang="en-US" id="id_7341432_1596154_3_1">Canasa and salofalk.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_CanasaAndSalofalkMember_lbl" xml:lang="en-US" id="id_7341432_1596154_1_1">Canasa And Salofalk [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_CanasaAndSalofalkMember_lbl" xml:lang="en-US" id="id_7341432_1596154_2_1">Canasa/Salofalk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_CanasaAndSalofalkMember" xlink:to="act_CanasaAndSalofalkMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_CanasaMember" xlink:label="act_CanasaMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_CanasaMember_lbl" xml:lang="en-US" id="id_7341432_1596194_3_1">Canasa.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_CanasaMember_lbl" xml:lang="en-US" id="id_7341432_1596194_1_1">Canasa [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_CanasaMember_lbl" xml:lang="en-US" id="id_7341432_1596194_2_1">Canasa [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_CanasaMember" xlink:to="act_CanasaMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_CapitalizedLeaseLiabilitiesPresentValueOfNetMinimumLeasePayments" xlink:label="act_CapitalizedLeaseLiabilitiesPresentValueOfNetMinimumLeasePayments"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_CapitalizedLeaseLiabilitiesPresentValueOfNetMinimumLeasePayments_lbl" xml:lang="en-US" id="id_7341432_1386735_3_1">Capitalized Lease Liabilities Present Value Of Net Minimum Lease Payments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_CapitalizedLeaseLiabilitiesPresentValueOfNetMinimumLeasePayments_lbl" xml:lang="en-US" id="id_7341432_1386735_1_1">Capitalized Lease Liabilities Present Value Of Net Minimum Lease Payments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="act_CapitalizedLeaseLiabilitiesPresentValueOfNetMinimumLeasePayments_lbl" xml:lang="en-US" id="id_7341432_1386735_6_1">Present value of net minimum lease payments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_CapitalizedLeaseLiabilitiesPresentValueOfNetMinimumLeasePayments" xlink:to="act_CapitalizedLeaseLiabilitiesPresentValueOfNetMinimumLeasePayments_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_CapitalLeaseMember" xlink:label="act_CapitalLeaseMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_CapitalLeaseMember_lbl" xml:lang="en-US" id="id_7341432_1471518_3_1">Capital Lease [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_CapitalLeaseMember_lbl" xml:lang="en-US" id="id_7341432_1471518_1_1">Capital Lease [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_CapitalLeaseMember_lbl" xml:lang="en-US" id="id_7341432_1471518_2_1">Capital Leases [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_CapitalLeaseMember" xlink:to="act_CapitalLeaseMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CapitalLeaseObligations" xlink:label="us-gaap_CapitalLeaseObligations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalLeaseObligations_lbl" xml:lang="en-US" id="id_7341432_1282473_1_1">Capital Lease Obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CapitalLeaseObligations_lbl" xml:lang="en-US" id="id_7341432_1282473_2_1">Capital Leases</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeaseObligations" xlink:to="us-gaap_CapitalLeaseObligations_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDue" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDue_lbl" xml:lang="en-US" id="id_7341432_1283815_1_1">Capital Leases, Future Minimum Payments Due</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDue_lbl" xml:lang="en-US" id="id_7341432_1283815_6_1">Total minimum lease payments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsDue" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsDue_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent_lbl" xml:lang="en-US" id="id_7341432_1283365_1_1">Capital Leases, Future Minimum Payments Due, Next Twelve Months</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent_lbl" xml:lang="en-US" id="id_7341432_1283365_2_1">2015</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears_lbl" xml:lang="en-US" id="id_7341432_1282929_1_1">Capital Leases, Future Minimum Payments Due in Five Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears_lbl" xml:lang="en-US" id="id_7341432_1282929_2_1">2019</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_lbl" xml:lang="en-US" id="id_7341432_1285159_1_1">Capital Leases, Future Minimum Payments Due in Four Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_lbl" xml:lang="en-US" id="id_7341432_1285159_2_1">2018</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_lbl" xml:lang="en-US" id="id_7341432_1282009_1_1">Capital Leases, Future Minimum Payments Due in Three Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_lbl" xml:lang="en-US" id="id_7341432_1282009_2_1">2017</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_lbl" xml:lang="en-US" id="id_7341432_1282010_1_1">Capital Leases, Future Minimum Payments Due in Two Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_lbl" xml:lang="en-US" id="id_7341432_1282010_2_1">2016</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter_lbl" xml:lang="en-US" id="id_7341432_1285160_1_1">Capital Leases, Future Minimum Payments Due Thereafter</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter_lbl" xml:lang="en-US" id="id_7341432_1285160_2_1">Thereafter</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_CarafateAndSulcrateMember" xlink:label="act_CarafateAndSulcrateMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_CarafateAndSulcrateMember_lbl" xml:lang="en-US" id="id_7341432_1596157_3_1">Carafate and sulcrate.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_CarafateAndSulcrateMember_lbl" xml:lang="en-US" id="id_7341432_1596157_1_1">Carafate And Sulcrate [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_CarafateAndSulcrateMember_lbl" xml:lang="en-US" id="id_7341432_1596157_2_1">Carafate/Sulcrate [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_CarafateAndSulcrateMember" xlink:to="act_CarafateAndSulcrateMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_CarafateMember" xlink:label="act_CarafateMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_CarafateMember_lbl" xml:lang="en-US" id="id_7341432_1596190_3_1">Carafate.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_CarafateMember_lbl" xml:lang="en-US" id="id_7341432_1596190_1_1">Carafate [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_CarafateMember_lbl" xml:lang="en-US" id="id_7341432_1596190_2_1">Carafate [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_CarafateMember" xlink:to="act_CarafateMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_CardinalHealthcareIncMember" xlink:label="act_CardinalHealthcareIncMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_CardinalHealthcareIncMember_lbl" xml:lang="en-US" id="id_7341432_1306903_3_1">Cardinal Healthcare Inc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_CardinalHealthcareIncMember_lbl" xml:lang="en-US" id="id_7341432_1306903_1_1">Cardinal Healthcare Inc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_CardinalHealthcareIncMember_lbl" xml:lang="en-US" id="id_7341432_1306903_2_1">Cardinal Healthcare, Inc. [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_CardinalHealthcareIncMember" xlink:to="act_CardinalHealthcareIncMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_CardiovascularAndRespiratoryAndAcuteCareMember" xlink:label="act_CardiovascularAndRespiratoryAndAcuteCareMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_CardiovascularAndRespiratoryAndAcuteCareMember_lbl" xml:lang="en-US" id="id_7341432_1596160_3_1">Cardiovascular and respiratory and acute care.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_CardiovascularAndRespiratoryAndAcuteCareMember_lbl" xml:lang="en-US" id="id_7341432_1596160_1_1">Cardiovascular And Respiratory And Acute Care [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_CardiovascularAndRespiratoryAndAcuteCareMember_lbl" xml:lang="en-US" id="id_7341432_1596160_2_1">Cardiovascular, Respiratory &amp; Acute Care [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_CardiovascularAndRespiratoryAndAcuteCareMember" xlink:to="act_CardiovascularAndRespiratoryAndAcuteCareMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_CardiovascularMember" xlink:label="act_CardiovascularMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_CardiovascularMember_lbl" xml:lang="en-US" id="id_7341432_1419517_3_1">Cardiovascular.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_CardiovascularMember_lbl" xml:lang="en-US" id="id_7341432_1419517_1_1">Cardiovascular [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_CardiovascularMember_lbl" xml:lang="en-US" id="id_7341432_1419517_2_1">Cardiovascular [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_CardiovascularMember" xlink:to="act_CardiovascularMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_CasesConsolidatedForTrial" xlink:label="act_CasesConsolidatedForTrial"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_CasesConsolidatedForTrial_lbl" xml:lang="en-US" id="id_7341432_1555577_3_1">Cases Consolidated For Trial</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_CasesConsolidatedForTrial_lbl" xml:lang="en-US" id="id_7341432_1555577_1_1">Cases Consolidated For Trial</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_CasesConsolidatedForTrial_lbl" xml:lang="en-US" id="id_7341432_1555577_2_1">Cases that name company or subsidiary were consolidated for trail</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_CasesConsolidatedForTrial" xlink:to="act_CasesConsolidatedForTrial_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_CasesInWhichMotionsToDismissWereFiled" xlink:label="act_CasesInWhichMotionsToDismissWereFiled"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_CasesInWhichMotionsToDismissWereFiled_lbl" xml:lang="en-US" id="id_7341432_1495712_3_1">Cases in which motions to dismiss were filed.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_CasesInWhichMotionsToDismissWereFiled_lbl" xml:lang="en-US" id="id_7341432_1495712_1_1">Cases in which motions to dismiss were filed</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_CasesInWhichMotionsToDismissWereFiled_lbl" xml:lang="en-US" id="id_7341432_1495712_2_1">Motion to dismiss has been filed</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_CasesInWhichMotionsToDismissWereFiled" xlink:to="act_CasesInWhichMotionsToDismissWereFiled_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xml:lang="en-US" id="id_7341432_1285262_1_1">Cash and Cash Equivalents, at Carrying Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xml:lang="en-US" id="id_7341432_1285262_4_1">Cash and cash equivalents at end of period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xml:lang="en-US" id="id_7341432_1285262_5_1">Cash and cash equivalents at beginning of period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xml:lang="en-US" id="id_7341432_1285262_2_1">Cash and cash equivalents</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CashAndCashEquivalentsAxis" xlink:label="us-gaap_CashAndCashEquivalentsAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashAndCashEquivalentsAxis_lbl" xml:lang="en-US" id="id_7341432_1270365_1_1">Cash and Cash Equivalents [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CashAndCashEquivalentsAxis_lbl" xml:lang="en-US" id="id_7341432_1270365_2_1">Cash and Cash Equivalents [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsAxis" xlink:to="us-gaap_CashAndCashEquivalentsAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_lbl" xml:lang="en-US" id="id_7341432_1286290_1_1">Cash and Cash Equivalents, Period Increase (Decrease)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_lbl" xml:lang="en-US" id="id_7341432_1286290_2_1">Net increase / (decrease) in cash and cash equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_lbl" xml:lang="en-US" id="id_7341432_1286290_6_1">Net increase / (decrease) in cash and cash equivalents</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:to="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xml:lang="en-US" id="id_7341432_1275397_1_1">Cash and Cash Equivalents, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl" xml:lang="en-US" id="id_7341432_1275397_2_1">Cash and Cash Equivalents</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:to="us-gaap_CashAndCashEquivalentsPolicyTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashEquivalentsAtCarryingValue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashEquivalentsAtCarryingValue_lbl" xml:lang="en-US" id="id_7341432_1286812_1_1">Cash Equivalents, at Carrying Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CashEquivalentsAtCarryingValue_lbl" xml:lang="en-US" id="id_7341432_1286812_2_1">Cash and cash equivalents</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashEquivalentsAtCarryingValue" xlink:to="us-gaap_CashEquivalentsAtCarryingValue_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_CashPaidDuringYearForAbstract" xlink:label="act_CashPaidDuringYearForAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_CashPaidDuringYearForAbstract_lbl" xml:lang="en-US" id="id_7341432_1521451_3_1">Cash paid during the year for.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_CashPaidDuringYearForAbstract_lbl" xml:lang="en-US" id="id_7341432_1521451_1_1">Cash Paid During Year For [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_CashPaidDuringYearForAbstract_lbl" xml:lang="en-US" id="id_7341432_1521451_2_1">Cash paid during the year for:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_CashPaidDuringYearForAbstract" xlink:to="act_CashPaidDuringYearForAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_CashPaidForExtinguishmentOfDebt" xlink:label="act_CashPaidForExtinguishmentOfDebt"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_CashPaidForExtinguishmentOfDebt_lbl" xml:lang="en-US" id="id_7341432_1383922_3_1">Cash Paid For Extinguishment Of Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_CashPaidForExtinguishmentOfDebt_lbl" xml:lang="en-US" id="id_7341432_1383922_1_1">Cash Paid For Extinguishment Of Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_CashPaidForExtinguishmentOfDebt_lbl" xml:lang="en-US" id="id_7341432_1383922_2_1">Cash on hand</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_CashPaidForExtinguishmentOfDebt" xlink:to="act_CashPaidForExtinguishmentOfDebt_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_CashPayableToBusinessCombinationMilestones" xlink:label="act_CashPayableToBusinessCombinationMilestones"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_CashPayableToBusinessCombinationMilestones_lbl" xml:lang="en-US" id="id_7341432_1613654_3_1">Cash Payable To Business Combination Milestones.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_CashPayableToBusinessCombinationMilestones_lbl" xml:lang="en-US" id="id_7341432_1613654_1_1">Cash Payable To Business Combination Milestones</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_CashPayableToBusinessCombinationMilestones_lbl" xml:lang="en-US" id="id_7341432_1613654_2_1">Acquisition related contingent milestone payments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_CashPayableToBusinessCombinationMilestones" xlink:to="act_CashPayableToBusinessCombinationMilestones_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_CelexaLexaproLitigationMember" xlink:label="act_CelexaLexaproLitigationMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_CelexaLexaproLitigationMember_lbl" xml:lang="en-US" id="id_7341432_1592443_3_1">Celexa Lexapro Litigation [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_CelexaLexaproLitigationMember_lbl" xml:lang="en-US" id="id_7341432_1592443_1_1">Celexa Lexapro Litigation [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_CelexaLexaproLitigationMember_lbl" xml:lang="en-US" id="id_7341432_1592443_2_1">Celexa/Lexapro Litigation [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_CelexaLexaproLitigationMember" xlink:to="act_CelexaLexaproLitigationMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_CentralNervousSystemMember" xlink:label="act_CentralNervousSystemMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_CentralNervousSystemMember_lbl" xml:lang="en-US" id="id_7341432_1533904_3_1">Central nervous system.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_CentralNervousSystemMember_lbl" xml:lang="en-US" id="id_7341432_1533904_1_1">Central Nervous System [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_CentralNervousSystemMember_lbl" xml:lang="en-US" id="id_7341432_1533904_2_1">Central Nervous System [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_CentralNervousSystemMember" xlink:to="act_CentralNervousSystemMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_Chargebacks_lbl" xml:lang="en-US" id="id_7341432_1314542_3_1">The chargeback accrual represents all future chargeback expense related to current inventory maintained by our wholesale customers. The chargeback accrual is calculated by product using the following three components: Chargeback Rate x Contract Rate x Units Sold to Wholesalers.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ChargebacksMember_lbl" xml:lang="en-US" id="id_7341432_1345387_3_1">Chargebacks [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ChargebacksMember_lbl" xml:lang="en-US" id="id_7341432_1345387_2_1">Chargebacks [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_CiproLitigationMember_lbl" xml:lang="en-US" id="id_7341432_1418562_3_1">Cipro Litigation [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_CiproLitigationMember_lbl" xml:lang="en-US" id="id_7341432_1418562_1_1">Cipro Litigation [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_CiproLitigationMember_lbl" xml:lang="en-US" id="id_7341432_1418562_2_1">Cipro Litigation [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_CiproLitigationMember" xlink:to="act_CiproLitigationMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_CnsMember_lbl" xml:lang="en-US" id="id_7341432_1592180_1_1">Cns [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_CnsMember_lbl" xml:lang="en-US" id="id_7341432_1592180_2_1">CNS [Member]</label>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_CollaborationsAndLicenseAgreementsLineItems" xlink:label="act_CollaborationsAndLicenseAgreementsLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_CollaborationsAndLicenseAgreementsLineItems_lbl" xml:lang="en-US" id="id_7341432_1368742_3_1">Collaborations And License Agreements [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_CollaborationsAndLicenseAgreementsLineItems_lbl" xml:lang="en-US" id="id_7341432_1368742_1_1">Collaborations And License Agreements [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_CollaborationsAndLicenseAgreementsLineItems_lbl" xml:lang="en-US" id="id_7341432_1368742_2_1">Collaborations And License Agreements [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_CollaborationsAndLicenseAgreementsLineItems" xlink:to="act_CollaborationsAndLicenseAgreementsLineItems_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_CollaborationsAndLicenseAgreementsTable_lbl" xml:lang="en-US" id="id_7341432_1353783_3_1">Collaborations And License Agreements [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_CollaborationsAndLicenseAgreementsTable_lbl" xml:lang="en-US" id="id_7341432_1353783_1_1">Collaborations And License Agreements [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_CollaborationsAndLicenseAgreementsTable_lbl" xml:lang="en-US" id="id_7341432_1353783_2_1">Collaborations And License Agreements [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_CollaborationsAndLicenseAgreementsTable" xlink:to="act_CollaborationsAndLicenseAgreementsTable_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CollaborativeArrangementDisclosureTextBlock" xlink:label="us-gaap_CollaborativeArrangementDisclosureTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CollaborativeArrangementDisclosureTextBlock_lbl" xml:lang="en-US" id="id_7341432_1268796_1_1">Collaborative Arrangement Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CollaborativeArrangementDisclosureTextBlock_lbl" xml:lang="en-US" id="id_7341432_1268796_2_1">Collaborations</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CollaborativeArrangementMember" xlink:label="us-gaap_CollaborativeArrangementMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CollaborativeArrangementMember_lbl" xml:lang="en-US" id="id_7341432_1273746_1_1">Collaborative Arrangement [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CollaborativeArrangementMember_lbl" xml:lang="en-US" id="id_7341432_1273746_2_1">Collaborative Arrangement [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CollaborativeArrangementMember" xlink:to="us-gaap_CollaborativeArrangementMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ColumbiaLaboratoriesMember" xlink:label="act_ColumbiaLaboratoriesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ColumbiaLaboratoriesMember_lbl" xml:lang="en-US" id="id_7341432_1540550_3_1">Columbia Laboratories [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ColumbiaLaboratoriesMember_lbl" xml:lang="en-US" id="id_7341432_1540550_1_1">Columbia Laboratories [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ColumbiaLaboratoriesMember_lbl" xml:lang="en-US" id="id_7341432_1540550_2_1">Columbia Laboratories [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ColumbiaLaboratoriesMember" xlink:to="act_ColumbiaLaboratoriesMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ColvirMember_lbl" xml:lang="en-US" id="id_7341432_1591894_3_1">Colvir [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ColvirMember_lbl" xml:lang="en-US" id="id_7341432_1591894_1_1">Colvir [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ColvirMember_lbl" xml:lang="en-US" id="id_7341432_1591894_2_1">Colvir [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ColvirMember" xlink:to="act_ColvirMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_CommackLongIslandMember" xlink:label="act_CommackLongIslandMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_CommackLongIslandMember_lbl" xml:lang="en-US" id="id_7341432_1592274_3_1">Commack Long Island [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_CommackLongIslandMember_lbl" xml:lang="en-US" id="id_7341432_1592274_1_1">Commack Long Island [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_CommackLongIslandMember_lbl" xml:lang="en-US" id="id_7341432_1592274_2_1">Commack, Long Island [Member]</label>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_CommercialLitigationMember" xlink:label="act_CommercialLitigationMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_CommercialLitigationMember_lbl" xml:lang="en-US" id="id_7341432_1591910_3_1">Commercial Litigation [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_CommercialLitigationMember_lbl" xml:lang="en-US" id="id_7341432_1591910_1_1">Commercial Litigation [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_CommercialLitigationMember_lbl" xml:lang="en-US" id="id_7341432_1591910_2_1">Commercial Litigation [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_CommercialLitigationMember" xlink:to="act_CommercialLitigationMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xml:lang="en-US" id="id_7341432_1282923_1_1">Commitments and Contingencies</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xml:lang="en-US" id="id_7341432_1282923_2_1">Commitments and contingencies</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl" xml:lang="en-US" id="id_7341432_1272029_1_1">Commitments and Contingencies Disclosure [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl" xml:lang="en-US" id="id_7341432_1272029_2_1">Commitments and Contingencies Disclosure [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:to="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xml:lang="en-US" id="id_7341432_1268805_1_1">Commitments and Contingencies Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xml:lang="en-US" id="id_7341432_1268805_2_1">Commitments and Contingencies</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommitmentsAndContingenciesPolicyTextBlock" xlink:label="us-gaap_CommitmentsAndContingenciesPolicyTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommitmentsAndContingenciesPolicyTextBlock_lbl" xml:lang="en-US" id="id_7341432_1270432_1_1">Commitments and Contingencies, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CommitmentsAndContingenciesPolicyTextBlock_lbl" xml:lang="en-US" id="id_7341432_1270432_2_1">Litigation and Contingencies</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommitmentsAndContingenciesPolicyTextBlock" xlink:to="us-gaap_CommitmentsAndContingenciesPolicyTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommonClassAMember" xlink:label="us-gaap_CommonClassAMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonClassAMember_lbl" xml:lang="en-US" id="id_7341432_1277035_1_1">Common Class A [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockMember_lbl" xml:lang="en-US" id="id_7341432_1270422_1_1">Common Stock [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CommonStockMember_lbl" xml:lang="en-US" id="id_7341432_1270422_2_1">Ordinary Shares [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockMember" xlink:to="us-gaap_CommonStockMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockValue_lbl" xml:lang="en-US" id="id_7341432_1282921_1_1">Common Stock, Value, Issued</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonUnitOutstanding_lbl" xml:lang="en-US" id="id_7341432_1278683_1_1">Common Unit, Outstanding</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CompensationAndRetirementDisclosureAbstract_lbl" xml:lang="en-US" id="id_7341432_1273758_1_1">Compensation and Retirement Disclosure [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CompensationAndRetirementDisclosureAbstract_lbl" xml:lang="en-US" id="id_7341432_1273758_2_1">Compensation and Retirement Disclosure [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CompensationAndRetirementDisclosureAbstract" xlink:to="us-gaap_CompensationAndRetirementDisclosureAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CompensationRelatedCostsAbstract" xlink:label="us-gaap_CompensationRelatedCostsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CompensationRelatedCostsAbstract_lbl" xml:lang="en-US" id="id_7341432_1270399_1_1">Compensation Related Costs [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CompensationRelatedCostsAbstract_lbl" xml:lang="en-US" id="id_7341432_1270399_2_1">Compensation Related Costs [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CompensationRelatedCostsAbstract" xlink:to="us-gaap_CompensationRelatedCostsAbstract_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CompensationRelatedCostsGeneralTextBlock_lbl" xml:lang="en-US" id="id_7341432_1272041_2_1">Compensation</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xml:lang="en-US" id="id_7341432_1283349_1_1">Comprehensive Income (Loss), Net of Tax, Attributable to Parent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xml:lang="en-US" id="id_7341432_1283349_2_1">Comprehensive (loss) / income attributable to ordinary shareholders / members</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xml:lang="en-US" id="id_7341432_1283349_6_1">Comprehensive (loss) / income attributable to ordinary shareholders / members</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComprehensiveIncomeNetOfTax" xlink:to="us-gaap_ComprehensiveIncomeNetOfTax_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAbstract" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxAbstract_lbl" xml:lang="en-US" id="id_7341432_1277041_1_1">Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxAbstract_lbl" xml:lang="en-US" id="id_7341432_1277041_2_1">Comprehensive income:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComprehensiveIncomeNetOfTaxAbstract" xlink:to="us-gaap_ComprehensiveIncomeNetOfTaxAbstract_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_lbl" xml:lang="en-US" id="id_7341432_1288882_14_1">Comprehensive (income) / loss attributable to noncontrolling interest</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:to="us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_lbl" xml:lang="en-US" id="id_7341432_1285143_1_1">Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_lbl" xml:lang="en-US" id="id_7341432_1285143_6_1">Comprehensive (loss) / income</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:to="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ComprehensiveIncomePolicyTextBlock" xlink:label="act_ComprehensiveIncomePolicyTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ComprehensiveIncomePolicyTextBlock_lbl" xml:lang="en-US" id="id_7341432_1366215_3_1">Comprehensive Income Policy [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ComprehensiveIncomePolicyTextBlock_lbl" xml:lang="en-US" id="id_7341432_1366215_1_1">Comprehensive Income Policy [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ComprehensiveIncomePolicyTextBlock_lbl" xml:lang="en-US" id="id_7341432_1366215_2_1">Comprehensive (Loss) / Income</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ComprehensiveIncomePolicyTextBlock" xlink:to="act_ComprehensiveIncomePolicyTextBlock_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ComputerHardwareAndSoftwareMember_lbl" xml:lang="en-US" id="id_7341432_1405237_3_1">Computer Hardware And Software [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ComputerHardwareAndSoftwareMember_lbl" xml:lang="en-US" id="id_7341432_1405237_1_1">Computer Hardware And Software [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ComputerHardwareAndSoftwareMember_lbl" xml:lang="en-US" id="id_7341432_1405237_2_1">Computer Software / Hardware (Including Internally Developed) [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ComputerHardwareAndSoftwareMember" xlink:to="act_ComputerHardwareAndSoftwareMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ConcentrationRiskBenchmarkDomain_lbl" xml:lang="en-US" id="id_7341432_1270409_1_1">Concentration Risk Benchmark [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ConcentrationRiskBenchmarkDomain_lbl" xml:lang="en-US" id="id_7341432_1270409_2_1">Concentration Risk Benchmark [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskBenchmarkDomain" xlink:to="us-gaap_ConcentrationRiskBenchmarkDomain_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ConcentrationRiskByBenchmarkAxis_lbl" xml:lang="en-US" id="id_7341432_1277042_1_1">Concentration Risk Benchmark [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ConcentrationRiskByBenchmarkAxis_lbl" xml:lang="en-US" id="id_7341432_1277042_2_1">Concentration Risk Benchmark [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:to="us-gaap_ConcentrationRiskByBenchmarkAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConcentrationRiskByTypeAxis" xlink:label="us-gaap_ConcentrationRiskByTypeAxis"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ConcentrationRiskByTypeAxis_lbl" xml:lang="en-US" id="id_7341432_1272045_2_1">Concentration Risk Type [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskByTypeAxis" xlink:to="us-gaap_ConcentrationRiskByTypeAxis_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ConcentrationRiskDisclosureTextBlock_lbl" xml:lang="en-US" id="id_7341432_1270410_2_1">Concentration</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskDisclosureTextBlock" xlink:to="us-gaap_ConcentrationRiskDisclosureTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConcentrationRiskLineItems" xlink:label="us-gaap_ConcentrationRiskLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ConcentrationRiskLineItems_lbl" xml:lang="en-US" id="id_7341432_1277045_1_1">Concentration Risk [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ConcentrationRiskLineItems_lbl" xml:lang="en-US" id="id_7341432_1277045_2_1">Concentration Risk [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskLineItems" xlink:to="us-gaap_ConcentrationRiskLineItems_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ConcentrationRiskPercentage1_lbl" xml:lang="en-US" id="id_7341432_1273765_2_1">Concentration risk percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ConcentrationRiskPercentage1_lbl" xml:lang="en-US" id="id_7341432_1273765_12_1">Product accounted percent</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ContingentValueRightMember_lbl" xml:lang="en-US" id="id_7341432_1592103_3_1">Contingent Value Right [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ContingentValueRightMember_lbl" xml:lang="en-US" id="id_7341432_1592103_1_1">Contingent Value Right [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ContingentValueRightMember_lbl" xml:lang="en-US" id="id_7341432_1592103_2_1">Contingent Value Right [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ContingentValueRightMember" xlink:to="act_ContingentValueRightMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ContractualObligation" xlink:label="us-gaap_ContractualObligation"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ContractualObligation_lbl" xml:lang="en-US" id="id_7341432_1283344_1_1">Contractual Obligation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ContractualObligation_lbl" xml:lang="en-US" id="id_7341432_1283344_2_1">Payment by wholly-owned subsidiary</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ContractualObligation" xlink:to="us-gaap_ContractualObligation_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ContributionMargin" xlink:label="act_ContributionMargin"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ContributionMargin_lbl" xml:lang="en-US" id="id_7341432_1323632_3_1">Contribution margin</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ContributionMargin_lbl" xml:lang="en-US" id="id_7341432_1323632_1_1">Contribution Margin</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ContributionMargin_lbl" xml:lang="en-US" id="id_7341432_1323632_2_1">Contribution margin</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ContributionMargin" xlink:to="act_ContributionMargin_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ContributionsFromParent" xlink:label="act_ContributionsFromParent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ContributionsFromParent_lbl" xml:lang="en-US" id="id_7341432_1421944_3_1">Contributions From Parent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ContributionsFromParent_lbl" xml:lang="en-US" id="id_7341432_1421944_1_1">Contributions From Parent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ContributionsFromParent_lbl" xml:lang="en-US" id="id_7341432_1421944_2_1">Contribution from Parent</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ContributionsFromParent" xlink:to="act_ContributionsFromParent_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ContributionsMargin" xlink:label="act_ContributionsMargin"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ContributionsMargin_lbl" xml:lang="en-US" id="id_7341432_1516910_3_1">Contribution margin from each reportable segment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ContributionsMargin_lbl" xml:lang="en-US" id="id_7341432_1516910_1_1">Contributions Margin</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="act_ContributionsMargin_lbl" xml:lang="en-US" id="id_7341432_1516910_6_1">Contribution</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ContributionsMargin" xlink:to="act_ContributionsMargin_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ContributionsOther" xlink:label="act_ContributionsOther"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ContributionsOther_lbl" xml:lang="en-US" id="id_7341432_1455302_3_1">Contributions Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ContributionsOther_lbl" xml:lang="en-US" id="id_7341432_1455302_1_1">Contributions Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ContributionsOther_lbl" xml:lang="en-US" id="id_7341432_1455302_2_1">Other contributions</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ContributionsOther" xlink:to="act_ContributionsOther_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ConversionBasisOfCommonStock" xlink:label="act_ConversionBasisOfCommonStock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ConversionBasisOfCommonStock_lbl" xml:lang="en-US" id="id_7341432_1392590_3_1">This element represents the exchange ratio used in converting shares of the acquiree into shares issued by the entity in a business acquisition.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ConversionBasisOfCommonStock_lbl" xml:lang="en-US" id="id_7341432_1392590_1_1">Conversion Basis Of Common Stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ConversionBasisOfCommonStock_lbl" xml:lang="en-US" id="id_7341432_1392590_2_1">Ordinary share, conversion ratio</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ConversionBasisOfCommonStock" xlink:to="act_ConversionBasisOfCommonStock_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_CoronaFacilityMember" xlink:label="act_CoronaFacilityMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_CoronaFacilityMember_lbl" xml:lang="en-US" id="id_7341432_1591893_3_1">Corona Facility [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_CoronaFacilityMember_lbl" xml:lang="en-US" id="id_7341432_1591893_1_1">Corona Facility [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_CoronaFacilityMember_lbl" xml:lang="en-US" id="id_7341432_1591893_2_1">Corona Facility [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_CoronaFacilityMember" xlink:to="act_CoronaFacilityMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_CostBasisMember" xlink:label="act_CostBasisMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_CostBasisMember_lbl" xml:lang="en-US" id="id_7341432_1563003_3_1">Cost Basis [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_CostBasisMember_lbl" xml:lang="en-US" id="id_7341432_1563003_1_1">Cost Basis [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_CostBasisMember_lbl" xml:lang="en-US" id="id_7341432_1563003_2_1">Cost Basis [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_CostBasisMember" xlink:to="act_CostBasisMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_CostMethodAndOtherLongTermInvestments" xlink:label="act_CostMethodAndOtherLongTermInvestments"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_CostMethodAndOtherLongTermInvestments_lbl" xml:lang="en-US" id="id_7341432_1341174_3_1">Cost Method And Other Long Term Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_CostMethodAndOtherLongTermInvestments_lbl" xml:lang="en-US" id="id_7341432_1341174_1_1">Cost Method And Other Long Term Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="act_CostMethodAndOtherLongTermInvestments_lbl" xml:lang="en-US" id="id_7341432_1341174_4_1">Cost Method and Other Long-term Investments, ending balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="act_CostMethodAndOtherLongTermInvestments_lbl" xml:lang="en-US" id="id_7341432_1341174_5_1">Cost Method and Other Long-term Investments, beginning balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_CostMethodAndOtherLongTermInvestments_lbl" xml:lang="en-US" id="id_7341432_1341174_2_1">Cost method and other long-term investments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_CostMethodAndOtherLongTermInvestments" xlink:to="act_CostMethodAndOtherLongTermInvestments_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_CostMethodAndOtherLongTermInvestmentsAdditions" xlink:label="act_CostMethodAndOtherLongTermInvestmentsAdditions"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_CostMethodAndOtherLongTermInvestmentsAdditions_lbl" xml:lang="en-US" id="id_7341432_1610760_3_1">Cost method and other long term investments additions.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_CostMethodAndOtherLongTermInvestmentsAdditions_lbl" xml:lang="en-US" id="id_7341432_1610760_1_1">Cost Method And Other Long Term Investments Additions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_CostMethodAndOtherLongTermInvestmentsAdditions_lbl" xml:lang="en-US" id="id_7341432_1610760_2_1">Cost Method and Other Long-term Investments, Additions</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_CostMethodAndOtherLongTermInvestmentsAdditions" xlink:to="act_CostMethodAndOtherLongTermInvestmentsAdditions_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_CostMethodAndOtherLongTermInvestmentsDistributions" xlink:label="act_CostMethodAndOtherLongTermInvestmentsDistributions"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_CostMethodAndOtherLongTermInvestmentsDistributions_lbl" xml:lang="en-US" id="id_7341432_1610761_3_1">Cost method and other long term investments distributions.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_CostMethodAndOtherLongTermInvestmentsDistributions_lbl" xml:lang="en-US" id="id_7341432_1610761_1_1">Cost Method And Other Long Term Investments Distributions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_CostMethodAndOtherLongTermInvestmentsDistributions_lbl" xml:lang="en-US" id="id_7341432_1610761_2_1">Cost Method and Other Long-term Investments, Distributions</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_CostMethodAndOtherLongTermInvestmentsDistributions" xlink:to="act_CostMethodAndOtherLongTermInvestmentsDistributions_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_CostMethodAndOtherLongTermInvestmentsNetSaleProceeds" xlink:label="act_CostMethodAndOtherLongTermInvestmentsNetSaleProceeds"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_CostMethodAndOtherLongTermInvestmentsNetSaleProceeds_lbl" xml:lang="en-US" id="id_7341432_1610764_3_1">Cost method and other long term investments net sale proceeds.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_CostMethodAndOtherLongTermInvestmentsNetSaleProceeds_lbl" xml:lang="en-US" id="id_7341432_1610764_1_1">Cost Method And Other Long Term Investments Net Sale Proceeds</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="act_CostMethodAndOtherLongTermInvestmentsNetSaleProceeds_lbl" xml:lang="en-US" id="id_7341432_1610764_14_1">Cost Method and Other Long-term Investments, Sale</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_CostMethodAndOtherLongTermInvestmentsNetSaleProceeds" xlink:to="act_CostMethodAndOtherLongTermInvestmentsNetSaleProceeds_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_CostMethodAndOtherLongTermInvestmentsOther" xlink:label="act_CostMethodAndOtherLongTermInvestmentsOther"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_CostMethodAndOtherLongTermInvestmentsOther_lbl" xml:lang="en-US" id="id_7341432_1610765_3_1">Cost method and other long term investments other.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_CostMethodAndOtherLongTermInvestmentsOther_lbl" xml:lang="en-US" id="id_7341432_1610765_1_1">Cost Method And Other Long Term Investments Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_CostMethodAndOtherLongTermInvestmentsOther_lbl" xml:lang="en-US" id="id_7341432_1610765_2_1">Cost Method and Other Long-term Investments, Other</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_CostMethodAndOtherLongTermInvestmentsOther" xlink:to="act_CostMethodAndOtherLongTermInvestmentsOther_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CostOfGoodsSold" xlink:label="us-gaap_CostOfGoodsSold"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CostOfGoodsSold_lbl" xml:lang="en-US" id="id_7341432_1286843_1_1">Cost of Goods Sold</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CostOfGoodsSold_lbl" xml:lang="en-US" id="id_7341432_1286843_2_1">Cost of sales</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CostOfGoodsSold_lbl" xml:lang="en-US" id="id_7341432_1286843_12_1">Cost of sales (excludes amortization and impairment of acquired intangibles including product rights)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CostOfGoodsSold" xlink:to="us-gaap_CostOfGoodsSold_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CostOfSalesMember" xlink:label="us-gaap_CostOfSalesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CostOfSalesMember_lbl" xml:lang="en-US" id="id_7341432_1270466_1_1">Cost of Sales [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CostOfSalesMember_lbl" xml:lang="en-US" id="id_7341432_1270466_2_1">Cost of Sales [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CostOfSalesMember" xlink:to="us-gaap_CostOfSalesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="us-gaap_CostsAndExpenses"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CostsAndExpenses_lbl" xml:lang="en-US" id="id_7341432_1287875_1_1">Costs and Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CostsAndExpenses_lbl" xml:lang="en-US" id="id_7341432_1287875_2_1">Operating expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_CostsAndExpenses_lbl" xml:lang="en-US" id="id_7341432_1287875_6_1">Total operating expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CostsAndExpenses_lbl" xml:lang="en-US" id="id_7341432_1287875_12_1">Total operating expenses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CostsAndExpenses" xlink:to="us-gaap_CostsAndExpenses_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CostsAssociatedWithExitOrDisposalActivitiesOrRestructuringsPolicyTextBlock" xlink:label="us-gaap_CostsAssociatedWithExitOrDisposalActivitiesOrRestructuringsPolicyTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CostsAssociatedWithExitOrDisposalActivitiesOrRestructuringsPolicyTextBlock_lbl" xml:lang="en-US" id="id_7341432_1268851_1_1">Costs Associated with Exit or Disposal Activities or Restructurings, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CostsAssociatedWithExitOrDisposalActivitiesOrRestructuringsPolicyTextBlock_lbl" xml:lang="en-US" id="id_7341432_1268851_2_1">Restructuring Costs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CostsAssociatedWithExitOrDisposalActivitiesOrRestructuringsPolicyTextBlock" xlink:to="us-gaap_CostsAssociatedWithExitOrDisposalActivitiesOrRestructuringsPolicyTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="us-gaap_CreditFacilityAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CreditFacilityAxis_lbl" xml:lang="en-US" id="id_7341432_1275460_1_1">Credit Facility [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CreditFacilityAxis_lbl" xml:lang="en-US" id="id_7341432_1275460_2_1">Credit Facility [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CreditFacilityAxis" xlink:to="us-gaap_CreditFacilityAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="us-gaap_CreditFacilityDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CreditFacilityDomain_lbl" xml:lang="en-US" id="id_7341432_1278703_1_1">Credit Facility [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CreditFacilityDomain_lbl" xml:lang="en-US" id="id_7341432_1278703_2_1">Credit Facility [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CreditFacilityDomain" xlink:to="us-gaap_CreditFacilityDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CurrentFederalTaxExpenseBenefit" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit_lbl" xml:lang="en-US" id="id_7341432_1286842_1_1">Current Federal Tax Expense (Benefit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit_lbl" xml:lang="en-US" id="id_7341432_1286842_2_1">Current provision, U.S. federal</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentFederalTaxExpenseBenefit" xlink:to="us-gaap_CurrentFederalTaxExpenseBenefit_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="dei_CurrentFiscalYearEndDate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xml:lang="en-US" id="id_7341432_1276508_1_1">Current Fiscal Year End Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xml:lang="en-US" id="id_7341432_1276508_2_1">Current Fiscal Year End Date</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CurrentFiscalYearEndDate" xlink:to="dei_CurrentFiscalYearEndDate_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CurrentForeignTaxExpenseBenefit" xlink:label="us-gaap_CurrentForeignTaxExpenseBenefit"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CurrentForeignTaxExpenseBenefit_lbl" xml:lang="en-US" id="id_7341432_1287873_1_1">Current Foreign Tax Expense (Benefit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CurrentForeignTaxExpenseBenefit_lbl" xml:lang="en-US" id="id_7341432_1287873_2_1">Current provision, Non-U.S.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentForeignTaxExpenseBenefit" xlink:to="us-gaap_CurrentForeignTaxExpenseBenefit_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xml:lang="en-US" id="id_7341432_1287874_1_1">Current Income Tax Expense (Benefit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xml:lang="en-US" id="id_7341432_1287874_6_1">Total current provision</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:to="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" xml:lang="en-US" id="id_7341432_1272082_1_1">Current Income Tax Expense (Benefit), Continuing Operations [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" xml:lang="en-US" id="id_7341432_1272082_2_1">Current provision:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_CurrentPortionOfContingentConsiderationObligations" xlink:label="act_CurrentPortionOfContingentConsiderationObligations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_CurrentPortionOfContingentConsiderationObligations_lbl" xml:lang="en-US" id="id_7341432_1432623_3_1">Current portion of contingent consideration obligations.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_CurrentPortionOfContingentConsiderationObligations_lbl" xml:lang="en-US" id="id_7341432_1432623_1_1">Current Portion Of Contingent Consideration Obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_CurrentPortionOfContingentConsiderationObligations_lbl" xml:lang="en-US" id="id_7341432_1432623_2_1">Current portion of contingent consideration obligations</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_CurrentPortionOfContingentConsiderationObligations" xlink:to="act_CurrentPortionOfContingentConsiderationObligations_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xlink:label="us-gaap_CurrentStateAndLocalTaxExpenseBenefit"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CurrentStateAndLocalTaxExpenseBenefit_lbl" xml:lang="en-US" id="id_7341432_1287373_1_1">Current State and Local Tax Expense (Benefit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CurrentStateAndLocalTaxExpenseBenefit_lbl" xml:lang="en-US" id="id_7341432_1287373_2_1">Current provision, U.S. state</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xlink:to="us-gaap_CurrentStateAndLocalTaxExpenseBenefit_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CustomerConcentrationRiskMember" xlink:label="us-gaap_CustomerConcentrationRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CustomerConcentrationRiskMember_lbl" xml:lang="en-US" id="id_7341432_1275481_1_1">Customer Concentration Risk [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CustomerConcentrationRiskMember_lbl" xml:lang="en-US" id="id_7341432_1275481_2_1">Customer Concentration Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CustomerConcentrationRiskMember" xlink:to="us-gaap_CustomerConcentrationRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CustomerRelationshipsMember" xlink:label="us-gaap_CustomerRelationshipsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CustomerRelationshipsMember_lbl" xml:lang="en-US" id="id_7341432_1270454_1_1">Customer Relationships [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CustomerRelationshipsMember_lbl" xml:lang="en-US" id="id_7341432_1270454_2_1">Customer Relationships [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CustomerRelationshipsMember" xlink:to="us-gaap_CustomerRelationshipsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_DalirespMember" xlink:label="act_DalirespMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_DalirespMember_lbl" xml:lang="en-US" id="id_7341432_1596159_3_1">Daliresp.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_DalirespMember_lbl" xml:lang="en-US" id="id_7341432_1596159_1_1">Daliresp [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_DalirespMember_lbl" xml:lang="en-US" id="id_7341432_1596159_2_1">Daliresp [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_DalirespMember" xlink:to="act_DalirespMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtAndCapitalLeaseObligations" xlink:label="us-gaap_DebtAndCapitalLeaseObligations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtAndCapitalLeaseObligations_lbl" xml:lang="en-US" id="id_7341432_1285131_1_1">Debt and Capital Lease Obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtAndCapitalLeaseObligations_lbl" xml:lang="en-US" id="id_7341432_1285131_2_1">Total debt and capital leases</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_DebtAndCapitalLeaseObligations_lbl" xml:lang="en-US" id="id_7341432_1285131_6_1">Total debt and capital leases</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtAndCapitalLeaseObligations" xlink:to="us-gaap_DebtAndCapitalLeaseObligations_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtAndCapitalLeasesDisclosuresTextBlock" xlink:label="us-gaap_DebtAndCapitalLeasesDisclosuresTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtAndCapitalLeasesDisclosuresTextBlock_lbl" xml:lang="en-US" id="id_7341432_1277087_1_1">Debt and Capital Leases Disclosures [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtAndCapitalLeasesDisclosuresTextBlock_lbl" xml:lang="en-US" id="id_7341432_1277087_2_1">Long-Term Debt and Leases</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtAndCapitalLeasesDisclosuresTextBlock" xlink:to="us-gaap_DebtAndCapitalLeasesDisclosuresTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="us-gaap_DebtDisclosureAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtDisclosureAbstract_lbl" xml:lang="en-US" id="id_7341432_1278728_1_1">Debt Disclosure [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtDisclosureAbstract_lbl" xml:lang="en-US" id="id_7341432_1278728_2_1">Debt Disclosure [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtDisclosureAbstract" xlink:to="us-gaap_DebtDisclosureAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="us-gaap_DebtInstrumentAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentAxis_lbl" xml:lang="en-US" id="id_7341432_1280323_1_1">Debt Instrument [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentAxis_lbl" xml:lang="en-US" id="id_7341432_1280323_2_1">Debt Instrument [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentAxis" xlink:to="us-gaap_DebtInstrumentAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_lbl" xml:lang="en-US" id="id_7341432_1272083_1_1">Debt Instrument, Basis Spread on Variable Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_lbl" xml:lang="en-US" id="id_7341432_1272083_2_1">Percentage of margin</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:to="us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="us-gaap_DebtInstrumentCarryingAmount"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentCarryingAmount_lbl" xml:lang="en-US" id="id_7341432_1283338_1_1">Long-term Debt, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentCarryingAmount_lbl" xml:lang="en-US" id="id_7341432_1283338_2_1">Senior notes, gross</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentCarryingAmount" xlink:to="us-gaap_DebtInstrumentCarryingAmount_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_DebtInstrumentFairValueCarryingValueAbstract" xlink:label="act_DebtInstrumentFairValueCarryingValueAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_DebtInstrumentFairValueCarryingValueAbstract_lbl" xml:lang="en-US" id="id_7341432_1456385_3_1">Debt Instrument Fair Value Carrying Value [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_DebtInstrumentFairValueCarryingValueAbstract_lbl" xml:lang="en-US" id="id_7341432_1456385_1_1">Debt Instrument Fair Value Carrying Value [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_DebtInstrumentFairValueCarryingValueAbstract_lbl" xml:lang="en-US" id="id_7341432_1456385_2_1">Debt Instrument Fair Value Carrying Value [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_DebtInstrumentFairValueCarryingValueAbstract" xlink:to="act_DebtInstrumentFairValueCarryingValueAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentFrequencyOfPeriodicPayment" xlink:label="us-gaap_DebtInstrumentFrequencyOfPeriodicPayment"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentFrequencyOfPeriodicPayment_lbl" xml:lang="en-US" id="id_7341432_1275482_1_1">Debt Instrument, Frequency of Periodic Payment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentFrequencyOfPeriodicPayment_lbl" xml:lang="en-US" id="id_7341432_1275482_2_1">Interest payment terms</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentFrequencyOfPeriodicPayment" xlink:to="us-gaap_DebtInstrumentFrequencyOfPeriodicPayment_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_DebtInstrumentInterestPenaltyExpense" xlink:label="act_DebtInstrumentInterestPenaltyExpense"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_DebtInstrumentInterestPenaltyExpense_lbl" xml:lang="en-US" id="id_7341432_1431146_3_1">Debt Instrument Interest Penalty Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_DebtInstrumentInterestPenaltyExpense_lbl" xml:lang="en-US" id="id_7341432_1431146_1_1">Debt Instrument Interest Penalty Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_DebtInstrumentInterestPenaltyExpense_lbl" xml:lang="en-US" id="id_7341432_1431146_2_1">Interest penalty expense</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_DebtInstrumentInterestPenaltyExpense" xlink:to="act_DebtInstrumentInterestPenaltyExpense_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xml:lang="en-US" id="id_7341432_1270470_1_1">Debt Instrument, Interest Rate, Stated Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xml:lang="en-US" id="id_7341432_1270470_2_1">Debt instrument, interest rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xml:lang="en-US" id="id_7341432_1270470_12_1">Senior notes, interest rate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:to="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="us-gaap_DebtInstrumentLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentLineItems_lbl" xml:lang="en-US" id="id_7341432_1270473_1_1">Debt Instrument [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentLineItems_lbl" xml:lang="en-US" id="id_7341432_1270473_2_1">Debt Instrument [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtInstrumentLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentMaturityDate" xlink:label="us-gaap_DebtInstrumentMaturityDate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl" xml:lang="en-US" id="id_7341432_1280316_1_1">Debt Instrument, Maturity Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl" xml:lang="en-US" id="id_7341432_1280316_2_1">Debt instrument, maturity date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl" xml:lang="en-US" id="id_7341432_1280316_12_1">Senior notes, maturity date</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentMaturityDate" xlink:to="us-gaap_DebtInstrumentMaturityDate_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_DebtInstrumentMaturityYear" xlink:label="act_DebtInstrumentMaturityYear"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_DebtInstrumentMaturityYear_lbl" xml:lang="en-US" id="id_7341432_1437117_3_1">Debt Instrument Maturity Year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_DebtInstrumentMaturityYear_lbl" xml:lang="en-US" id="id_7341432_1437117_1_1">Debt Instrument Maturity Year</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_DebtInstrumentRedeemablePremiumInterest_lbl" xml:lang="en-US" id="id_7341432_1591903_3_1">Debt Instrument Redeemable Premium Interest</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentTerm_lbl" xml:lang="en-US" id="id_7341432_1280321_1_1">Debt Instrument, Term</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentUnamortizedDiscount_lbl" xml:lang="en-US" id="id_7341432_1286860_1_1">Debt Instrument, Unamortized Discount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_DebtInstrumentUnamortizedDiscount_lbl" xml:lang="en-US" id="id_7341432_1286860_14_1">Less: Unamortized discount</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentUnamortizedPremium_lbl" xml:lang="en-US" id="id_7341432_1284648_1_1">Debt Instrument, Unamortized Premium</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentUnamortizedPremium_lbl" xml:lang="en-US" id="id_7341432_1284648_2_1">Plus: Unamortized premium</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentUnamortizedPremium" xlink:to="us-gaap_DebtInstrumentUnamortizedPremium_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtIssuanceCosts_lbl" xml:lang="en-US" id="id_7341432_1288906_1_1">Debt Issuance Cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtIssuanceCosts_lbl" xml:lang="en-US" id="id_7341432_1288906_2_1">Bridge loan expenses</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtIssuanceCosts" xlink:to="us-gaap_DebtIssuanceCosts_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtRelatedCommitmentFeesAndDebtIssuanceCosts" xlink:label="us-gaap_DebtRelatedCommitmentFeesAndDebtIssuanceCosts"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtRelatedCommitmentFeesAndDebtIssuanceCosts_lbl" xml:lang="en-US" id="id_7341432_1285835_1_1">Debt Related Commitment Fees and Debt Issuance Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtRelatedCommitmentFeesAndDebtIssuanceCosts_lbl" xml:lang="en-US" id="id_7341432_1285835_2_1">Bridge loan financing and commitment costs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtRelatedCommitmentFeesAndDebtIssuanceCosts" xlink:to="us-gaap_DebtRelatedCommitmentFeesAndDebtIssuanceCosts_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtSecuritiesMember" xlink:label="us-gaap_DebtSecuritiesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtSecuritiesMember_lbl" xml:lang="en-US" id="id_7341432_1268874_1_1">Debt Securities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtSecuritiesMember_lbl" xml:lang="en-US" id="id_7341432_1268874_2_1">Debt Securities [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtSecuritiesMember" xlink:to="us-gaap_DebtSecuritiesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_DecreaseInAccountsReceivableWithinSalesReturnAllowance" xlink:label="act_DecreaseInAccountsReceivableWithinSalesReturnAllowance"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_DecreaseInAccountsReceivableWithinSalesReturnAllowance_lbl" xml:lang="en-US" id="id_7341432_1336320_3_1">Decrease In Accounts Receivable Within Sales Return Allowance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_DecreaseInAccountsReceivableWithinSalesReturnAllowance_lbl" xml:lang="en-US" id="id_7341432_1336320_1_1">Decrease In Accounts Receivable Within Sales Return Allowance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_DecreaseInAccountsReceivableWithinSalesReturnAllowance_lbl" xml:lang="en-US" id="id_7341432_1336320_2_1">Deduction in accounts receivables within SRA</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_DecreaseInAccountsReceivableWithinSalesReturnAllowance" xlink:to="act_DecreaseInAccountsReceivableWithinSalesReturnAllowance_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract" xlink:label="us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract_lbl" xml:lang="en-US" id="id_7341432_1273828_1_1">Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract_lbl" xml:lang="en-US" id="id_7341432_1273828_2_1">Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract" xlink:to="us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTextBlock" xlink:label="us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTextBlock_lbl" xml:lang="en-US" id="id_7341432_1278736_1_1">Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTextBlock" xlink:to="us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit" xlink:label="us-gaap_DeferredFederalIncomeTaxExpenseBenefit"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredFederalIncomeTaxExpenseBenefit_lbl" xml:lang="en-US" id="id_7341432_1288921_1_1">Deferred Federal Income Tax Expense (Benefit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DeferredFederalIncomeTaxExpenseBenefit_lbl" xml:lang="en-US" id="id_7341432_1288921_2_1">Deferred (benefit) provision, U.S. federal</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredFederalIncomeTaxExpenseBenefit" xlink:to="us-gaap_DeferredFederalIncomeTaxExpenseBenefit_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredFinanceCostsCurrentNet" xlink:label="us-gaap_DeferredFinanceCostsCurrentNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredFinanceCostsCurrentNet_lbl" xml:lang="en-US" id="id_7341432_1288922_1_1">Deferred Finance Costs, Current, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DeferredFinanceCostsCurrentNet_lbl" xml:lang="en-US" id="id_7341432_1288922_2_1">Current portion of deferred loan costs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredFinanceCostsCurrentNet" xlink:to="us-gaap_DeferredFinanceCostsCurrentNet_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredFinanceCostsNet" xlink:label="us-gaap_DeferredFinanceCostsNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredFinanceCostsNet_lbl" xml:lang="en-US" id="id_7341432_1287381_1_1">Deferred Finance Costs, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DeferredFinanceCostsNet_lbl" xml:lang="en-US" id="id_7341432_1287381_2_1">Deferred loan costs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredFinanceCostsNet" xlink:to="us-gaap_DeferredFinanceCostsNet_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredForeignIncomeTaxExpenseBenefit" xlink:label="us-gaap_DeferredForeignIncomeTaxExpenseBenefit"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredForeignIncomeTaxExpenseBenefit_lbl" xml:lang="en-US" id="id_7341432_1286331_1_1">Deferred Foreign Income Tax Expense (Benefit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DeferredForeignIncomeTaxExpenseBenefit_lbl" xml:lang="en-US" id="id_7341432_1286331_2_1">Deferred (benefit) provision, Non-U.S.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredForeignIncomeTaxExpenseBenefit" xlink:to="us-gaap_DeferredForeignIncomeTaxExpenseBenefit_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredIncomeTaxesAndTaxCredits" xlink:label="us-gaap_DeferredIncomeTaxesAndTaxCredits"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredIncomeTaxesAndTaxCredits_lbl" xml:lang="en-US" id="id_7341432_1287887_1_1">Deferred Income Taxes and Tax Credits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_DeferredIncomeTaxesAndTaxCredits_lbl" xml:lang="en-US" id="id_7341432_1287887_6_1">Total deferred (benefit) provision</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredIncomeTaxesAndTaxCredits" xlink:to="us-gaap_DeferredIncomeTaxesAndTaxCredits_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xml:lang="en-US" id="id_7341432_1285325_1_1">Deferred Income Tax Expense (Benefit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xml:lang="en-US" id="id_7341432_1285325_2_1">Deferred income tax benefit</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:to="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" xml:lang="en-US" id="id_7341432_1277108_1_1">Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" xml:lang="en-US" id="id_7341432_1277108_2_1">Deferred (benefit) provision:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilities" xlink:label="us-gaap_DeferredIncomeTaxLiabilities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredIncomeTaxLiabilities_lbl" xml:lang="en-US" id="id_7341432_1283784_1_1">Deferred Tax Liabilities, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="us-gaap_DeferredIncomeTaxLiabilities_lbl" xml:lang="en-US" id="id_7341432_1283784_19_1">Total deferred tax liabilities</label>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_DefinedBenefitPlanBenefitsPaidBenefitObligation" xlink:label="act_DefinedBenefitPlanBenefitsPaidBenefitObligation"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_DefinedBenefitPlanBenefitsPaidBenefitObligation_lbl" xml:lang="en-US" id="id_7341432_1354967_3_1">Defined Benefit Plan Benefits Paid Benefit Obligation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_DefinedBenefitPlanBenefitsPaidBenefitObligation_lbl" xml:lang="en-US" id="id_7341432_1354967_1_1">Defined Benefit Plan Benefits Paid Benefit Obligation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="act_DefinedBenefitPlanBenefitsPaidBenefitObligation_lbl" xml:lang="en-US" id="id_7341432_1354967_14_1">Benefits paid</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanBusinessCombinationsAndAcquisitionsBenefitObligation" xlink:label="us-gaap_DefinedBenefitPlanBusinessCombinationsAndAcquisitionsBenefitObligation"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedBenefitPlanBusinessCombinationsAndAcquisitionsBenefitObligation_lbl" xml:lang="en-US" id="id_7341432_1284631_1_1">Defined Benefit Plan, Business Combinations and Acquisitions, Benefit Obligation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DefinedBenefitPlanBusinessCombinationsAndAcquisitionsBenefitObligation_lbl" xml:lang="en-US" id="id_7341432_1284631_2_1">Benefit obligation assumed in the Acquisition</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanBusinessCombinationsAndAcquisitionsPlanAssets" xlink:label="us-gaap_DefinedBenefitPlanBusinessCombinationsAndAcquisitionsPlanAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedBenefitPlanBusinessCombinationsAndAcquisitionsPlanAssets_lbl" xml:lang="en-US" id="id_7341432_1287907_1_1">Defined Benefit Plan, Business Combinations and Acquisitions, Plan Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DefinedBenefitPlanBusinessCombinationsAndAcquisitionsPlanAssets_lbl" xml:lang="en-US" id="id_7341432_1287907_2_1">Fair value of plan assets assumed in the Acquisition</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis" xlink:label="us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_lbl" xml:lang="en-US" id="id_7341432_1273847_1_1">Defined Benefit Plan, Asset Categories [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_lbl" xml:lang="en-US" id="id_7341432_1273847_2_1">Defined Benefit Plan, Asset Categories [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis" xlink:to="us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward" xlink:label="us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_lbl" xml:lang="en-US" id="id_7341432_1278751_1_1">Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_lbl" xml:lang="en-US" id="id_7341432_1278751_2_1">Change in Benefit Obligation</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward" xlink:label="us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward"/>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_DefinedBenefitPlanChangeInPlanAssetsOther" xlink:label="act_DefinedBenefitPlanChangeInPlanAssetsOther"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_DefinedBenefitPlanChangeInPlanAssetsOther_lbl" xml:lang="en-US" id="id_7341432_1604745_3_1">Defined benefit plan change in plan assets other.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_DefinedBenefitPlanChangeInPlanAssetsOther_lbl" xml:lang="en-US" id="id_7341432_1604745_1_1">Defined Benefit Plan Change In Plan Assets Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="act_DefinedBenefitPlanChangeInPlanAssetsOther_lbl" xml:lang="en-US" id="id_7341432_1604745_14_1">Other</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanContributionsByEmployer" xlink:label="us-gaap_DefinedBenefitPlanContributionsByEmployer"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedBenefitPlanContributionsByEmployer_lbl" xml:lang="en-US" id="id_7341432_1287908_1_1">Defined Benefit Plan, Contributions by Employer</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DefinedBenefitPlanContributionsByEmployer_lbl" xml:lang="en-US" id="id_7341432_1287908_2_1">Employer contribution</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanContributionsByPlanParticipants" xlink:label="us-gaap_DefinedBenefitPlanContributionsByPlanParticipants"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedBenefitPlanContributionsByPlanParticipants_lbl" xml:lang="en-US" id="id_7341432_1281955_1_1">Defined Benefit Plan, Contributions by Plan Participants</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DefinedBenefitPlanContributionsByPlanParticipants_lbl" xml:lang="en-US" id="id_7341432_1281955_2_1">Contributions</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanCurtailments" xlink:label="us-gaap_DefinedBenefitPlanCurtailments"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedBenefitPlanCurtailments_lbl" xml:lang="en-US" id="id_7341432_1287400_1_1">Defined Benefit Plan, Curtailments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_DefinedBenefitPlanCurtailments_lbl" xml:lang="en-US" id="id_7341432_1287400_14_1">Curtailments</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanDisclosureLineItems" xlink:label="us-gaap_DefinedBenefitPlanDisclosureLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedBenefitPlanDisclosureLineItems_lbl" xml:lang="en-US" id="id_7341432_1278753_1_1">Defined Benefit Plan Disclosure [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DefinedBenefitPlanDisclosureLineItems_lbl" xml:lang="en-US" id="id_7341432_1278753_2_1">Defined Benefit Plan Disclosure [Line Items]</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanEstimatedFutureBenefitPaymentsAbstract" xlink:label="us-gaap_DefinedBenefitPlanEstimatedFutureBenefitPaymentsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedBenefitPlanEstimatedFutureBenefitPaymentsAbstract_lbl" xml:lang="en-US" id="id_7341432_1270515_1_1">Defined Benefit Plan, Expected Future Benefit Payments, Fiscal Year Maturity [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DefinedBenefitPlanEstimatedFutureBenefitPaymentsAbstract_lbl" xml:lang="en-US" id="id_7341432_1270515_2_1">Defined Benefit Plan, Expected Future Benefit Payments, Fiscal Year Maturity [Abstract]</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter_lbl" xml:lang="en-US" id="id_7341432_1282893_1_1">Defined Benefit Plan, Expected Future Benefit Payments, Five Fiscal Years Thereafter</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter_lbl" xml:lang="en-US" id="id_7341432_1282893_2_1">Thereafter</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths_lbl" xml:lang="en-US" id="id_7341432_1282429_1_1">Defined Benefit Plan, Expected Future Benefit Payments, Next Twelve Months</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths_lbl" xml:lang="en-US" id="id_7341432_1282429_2_1">2015</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive_lbl" xml:lang="en-US" id="id_7341432_1283773_1_1">Defined Benefit Plan, Expected Future Benefit Payments, Year Five</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive_lbl" xml:lang="en-US" id="id_7341432_1283773_2_1">2019</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour_lbl" xml:lang="en-US" id="id_7341432_1281954_1_1">Defined Benefit Plan, Expected Future Benefit Payments, Year Four</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour_lbl" xml:lang="en-US" id="id_7341432_1281954_2_1">2018</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree_lbl" xml:lang="en-US" id="id_7341432_1283314_1_1">Defined Benefit Plan, Expected Future Benefit Payments, Year Three</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree_lbl" xml:lang="en-US" id="id_7341432_1283314_2_1">2017</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree" xlink:to="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo_lbl" xml:lang="en-US" id="id_7341432_1282894_1_1">Defined Benefit Plan, Expected Future Benefit Payments, Year Two</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo_lbl" xml:lang="en-US" id="id_7341432_1282894_2_1">2016</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo" xlink:to="us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets" xlink:label="us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_lbl" xml:lang="en-US" id="id_7341432_1283315_1_1">Defined Benefit Plan, Expected Return on Plan Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_lbl" xml:lang="en-US" id="id_7341432_1283315_14_1">Expected return on plan assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets" xlink:to="us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanFairValueOfPlanAssets" xlink:label="us-gaap_DefinedBenefitPlanFairValueOfPlanAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_lbl" xml:lang="en-US" id="id_7341432_1285853_1_1">Defined Benefit Plan, Fair Value of Plan Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_lbl" xml:lang="en-US" id="id_7341432_1285853_4_1">Fair value of plan assets at end of year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_lbl" xml:lang="en-US" id="id_7341432_1285853_5_1">Fair value of plan assets at beginning of year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_lbl" xml:lang="en-US" id="id_7341432_1285853_2_1">Fair value of pension plan assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanFairValueOfPlanAssets" xlink:to="us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation" xlink:label="us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation_lbl" xml:lang="en-US" id="id_7341432_1283316_1_1">Defined Benefit Plan, Foreign Currency Exchange Rate Gain (Loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation_lbl" xml:lang="en-US" id="id_7341432_1283316_14_1">Effects of exchange rate changes</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation" xlink:to="us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesPlanAssets" xlink:label="us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesPlanAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesPlanAssets_lbl" xml:lang="en-US" id="id_7341432_1287909_1_1">Defined Benefit Plan, Foreign Currency Exchange Rate Changes, Plan Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesPlanAssets_lbl" xml:lang="en-US" id="id_7341432_1287909_2_1">Effects of exchange rate changes</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesPlanAssets" xlink:to="us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesPlanAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanFundedStatusOfPlan" xlink:label="us-gaap_DefinedBenefitPlanFundedStatusOfPlan"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedBenefitPlanFundedStatusOfPlan_lbl" xml:lang="en-US" id="id_7341432_1285854_1_1">Defined Benefit Plan, Funded Status of Plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_DefinedBenefitPlanFundedStatusOfPlan_lbl" xml:lang="en-US" id="id_7341432_1285854_6_1">Funded status at end of year</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanFundedStatusOfPlan" xlink:to="us-gaap_DefinedBenefitPlanFundedStatusOfPlan_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanFundedStatusOfPlanAbstract" xlink:label="us-gaap_DefinedBenefitPlanFundedStatusOfPlanAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedBenefitPlanFundedStatusOfPlanAbstract_lbl" xml:lang="en-US" id="id_7341432_1278758_1_1">Defined Benefit Plan, Funded Status of Plan [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DefinedBenefitPlanFundedStatusOfPlanAbstract_lbl" xml:lang="en-US" id="id_7341432_1278758_2_1">Defined Benefit Plan, Funded Status of Plan [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanFundedStatusOfPlanAbstract" xlink:to="us-gaap_DefinedBenefitPlanFundedStatusOfPlanAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanInterestCost" xlink:label="us-gaap_DefinedBenefitPlanInterestCost"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedBenefitPlanInterestCost_lbl" xml:lang="en-US" id="id_7341432_1288939_1_1">Defined Benefit Plan, Interest Cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DefinedBenefitPlanInterestCost_lbl" xml:lang="en-US" id="id_7341432_1288939_2_1">Interest cost</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanInterestCost" xlink:to="us-gaap_DefinedBenefitPlanInterestCost_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" xlink:label="us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_lbl" xml:lang="en-US" id="id_7341432_1287910_1_1">Defined Benefit Plan, Net Periodic Benefit Cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_lbl" xml:lang="en-US" id="id_7341432_1287910_6_1">Net periodic benefit cost</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" xlink:to="us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostAbstract" xlink:label="us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostAbstract_lbl" xml:lang="en-US" id="id_7341432_1272121_1_1">Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostAbstract_lbl" xml:lang="en-US" id="id_7341432_1272121_2_1">Defined Benefit Plan, Net Periodic Benefit Cost [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostAbstract" xlink:to="us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_DefinedBenefitPlanOtherBusinessDevelopmentBenefitObligation" xlink:label="act_DefinedBenefitPlanOtherBusinessDevelopmentBenefitObligation"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_DefinedBenefitPlanOtherBusinessDevelopmentBenefitObligation_lbl" xml:lang="en-US" id="id_7341432_1604747_3_1">Defined benefit plan other business development benefit obligation.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_DefinedBenefitPlanOtherBusinessDevelopmentBenefitObligation_lbl" xml:lang="en-US" id="id_7341432_1604747_1_1">Defined Benefit Plan Other Business Development Benefit Obligation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="act_DefinedBenefitPlanOtherBusinessDevelopmentBenefitObligation_lbl" xml:lang="en-US" id="id_7341432_1604747_14_1">Other business development related activity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_DefinedBenefitPlanOtherBusinessDevelopmentBenefitObligation" xlink:to="act_DefinedBenefitPlanOtherBusinessDevelopmentBenefitObligation_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_DefinedBenefitPlanOtherBusinessDevelopmentPlanAssets_lbl" xml:lang="en-US" id="id_7341432_1604744_3_1">Defined benefit plan other business development plan assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_DefinedBenefitPlanOtherBusinessDevelopmentPlanAssets_lbl" xml:lang="en-US" id="id_7341432_1604744_1_1">Defined Benefit Plan Other Business Development Plan Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_DefinedBenefitPlanOtherBusinessDevelopmentPlanAssets_lbl" xml:lang="en-US" id="id_7341432_1604744_2_1">Other business development related activity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_DefinedBenefitPlanOtherBusinessDevelopmentPlanAssets" xlink:to="act_DefinedBenefitPlanOtherBusinessDevelopmentPlanAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanOtherChanges" xlink:label="us-gaap_DefinedBenefitPlanOtherChanges"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedBenefitPlanOtherChanges_lbl" xml:lang="en-US" id="id_7341432_1283772_1_1">Defined Benefit Plan, Other Changes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_DefinedBenefitPlanOtherChanges_lbl" xml:lang="en-US" id="id_7341432_1283772_14_1">Other</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_DefinedBenefitPlanOtherInvestments_lbl" xml:lang="en-US" id="id_7341432_1290873_3_1">Defined Benefit Plan Other Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_DefinedBenefitPlanOtherInvestments_lbl" xml:lang="en-US" id="id_7341432_1290873_1_1">Defined Benefit Plan Other Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="act_DefinedBenefitPlanOtherInvestments_lbl" xml:lang="en-US" id="id_7341432_1290873_14_1">Other investments</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAbstract" xlink:label="us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAbstract_lbl" xml:lang="en-US" id="id_7341432_1270517_1_1">Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAbstract_lbl" xml:lang="en-US" id="id_7341432_1270517_2_1">Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets [Abstract]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation_lbl" xml:lang="en-US" id="id_7341432_1281949_2_1">Accumulated benefit obligations</label>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_DividendToParent" xlink:label="act_DividendToParent"/>
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    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="dei_DocumentFiscalPeriodFocus"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_DocumentType_lbl" xml:lang="en-US" id="id_7341432_1269867_2_1">Document Type</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentType" xlink:to="dei_DocumentType_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DomesticCountryMember" xlink:label="us-gaap_DomesticCountryMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DomesticCountryMember_lbl" xml:lang="en-US" id="id_7341432_1280458_1_1">Domestic Tax Authority [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DomesticCountryMember_lbl" xml:lang="en-US" id="id_7341432_1280458_2_1">U.S. [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DomesticCountryMember" xlink:to="us-gaap_DomesticCountryMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_DoryxMember" xlink:label="act_DoryxMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_DoryxMember_lbl" xml:lang="en-US" id="id_7341432_1414012_3_1">Doryx [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_DoryxMember_lbl" xml:lang="en-US" id="id_7341432_1414012_1_1">Doryx [Member]</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_DoryxMember" xlink:to="act_DoryxMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DueFromRelatedPartiesCurrent" xlink:label="us-gaap_DueFromRelatedPartiesCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DueFromRelatedPartiesCurrent_lbl" xml:lang="en-US" id="id_7341432_1286386_1_1">Due from Related Parties, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DueFromRelatedPartiesCurrent_lbl" xml:lang="en-US" id="id_7341432_1286386_2_1">Intercompany receivables</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DueToRelatedPartiesCurrent_lbl" xml:lang="en-US" id="id_7341432_1284203_2_1">Intercompany payables</label>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_DurataAcquisitionMember" xlink:label="act_DurataAcquisitionMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_DurataAcquisitionMember_lbl" xml:lang="en-US" id="id_7341432_1604734_3_1">Durata Acquisition [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_DurataAcquisitionMember_lbl" xml:lang="en-US" id="id_7341432_1604734_1_1">Durata Acquisition [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_DurataAcquisitionMember_lbl" xml:lang="en-US" id="id_7341432_1604734_2_1">Durata Acquisition [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_DurataAcquisitionMember" xlink:to="act_DurataAcquisitionMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_DurataTherapeuticsIncMember" xlink:label="act_DurataTherapeuticsIncMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_DurataTherapeuticsIncMember_lbl" xml:lang="en-US" id="id_7341432_1596175_3_1">Durata Therapeutics Inc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_DurataTherapeuticsIncMember_lbl" xml:lang="en-US" id="id_7341432_1596175_1_1">Durata Therapeutics Inc [Member]</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EarlyRepaymentOfSeniorDebt" xlink:label="us-gaap_EarlyRepaymentOfSeniorDebt"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EarlyRepaymentOfSeniorDebt_lbl" xml:lang="en-US" id="id_7341432_1281926_1_1">Early Repayment of Senior Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EarlyRepaymentOfSeniorDebt_lbl" xml:lang="en-US" id="id_7341432_1281926_2_1">Redemption price</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="us-gaap_EarningsPerShareAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EarningsPerShareAbstract_lbl" xml:lang="en-US" id="id_7341432_1275595_1_1">Earnings Per Share [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EarningsPerShareAbstract_lbl" xml:lang="en-US" id="id_7341432_1275595_2_1">(Loss) / earnings per share attributable to ordinary shareholders:</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate_lbl" xml:lang="en-US" id="id_7341432_1272230_2_1">Tax rate changes</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_EffectiveIncomeTaxRateReconciliationEffectOfAcquisitionsAndReorganizations" xlink:label="act_EffectiveIncomeTaxRateReconciliationEffectOfAcquisitionsAndReorganizations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_EffectiveIncomeTaxRateReconciliationEffectOfAcquisitionsAndReorganizations_lbl" xml:lang="en-US" id="id_7341432_1406387_3_1">Effective Income Tax Rate Reconciliation Effect Of Acquisitions And Reorganizations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_EffectiveIncomeTaxRateReconciliationEffectOfAcquisitionsAndReorganizations_lbl" xml:lang="en-US" id="id_7341432_1406387_1_1">Effective Income Tax Rate Reconciliation Effect Of Acquisitions And Reorganizations</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_lbl" xml:lang="en-US" id="id_7341432_1272231_2_1">Earnings subject to rates different than the statutory rate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_EffectiveIncomeTaxRateReconciliationLossOnForeignCurrencyHedge_lbl" xml:lang="en-US" id="id_7341432_1391971_3_1">Effective Income Tax Rate Reconciliation Loss On Foreign Currency Hedge</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_EffectiveIncomeTaxRateReconciliationLossOnForeignCurrencyHedge_lbl" xml:lang="en-US" id="id_7341432_1391971_1_1">Effective Income Tax Rate Reconciliation Loss On Foreign Currency Hedge</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseAmortization_lbl" xml:lang="en-US" id="id_7341432_1275602_1_1">Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amortization, Percent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseAmortization_lbl" xml:lang="en-US" id="id_7341432_1275602_2_1">Intangible amortization</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseImpairmentLosses_lbl" xml:lang="en-US" id="id_7341432_1268992_2_1">Impairments</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther"/>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxSettlements" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationTaxSettlements"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationTaxSettlements_lbl" xml:lang="en-US" id="id_7341432_1273945_1_1">Effective Income Tax Rate Reconciliation, Tax Settlement, Percent</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents" xlink:label="us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_lbl" xml:lang="en-US" id="id_7341432_1285368_1_1">Effect of Exchange Rate on Cash and Cash Equivalents</label>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_EliminationsMember" xlink:label="act_EliminationsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_EliminationsMember_lbl" xml:lang="en-US" id="id_7341432_1341398_3_1">Eliminations [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_EliminationsMember_lbl" xml:lang="en-US" id="id_7341432_1341398_1_1">Eliminations [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_EliminationsMember_lbl" xml:lang="en-US" id="id_7341432_1341398_2_1">Eliminations [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_EliminationsMember" xlink:to="act_EliminationsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_EluxadolineMember" xlink:label="act_EluxadolineMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_EluxadolineMember_lbl" xml:lang="en-US" id="id_7341432_1573335_3_1">Eluxadoline [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_EluxadolineMember_lbl" xml:lang="en-US" id="id_7341432_1573335_1_1">Eluxadoline [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_EluxadolineMember_lbl" xml:lang="en-US" id="id_7341432_1573335_2_1">Eluxadoline [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_EluxadolineMember" xlink:to="act_EluxadolineMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_EmployeeHealthAndWelfareExpenses" xlink:label="act_EmployeeHealthAndWelfareExpenses"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_EmployeeHealthAndWelfareExpenses_lbl" xml:lang="en-US" id="id_7341432_1431436_3_1">Employee Health And Welfare Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_EmployeeHealthAndWelfareExpenses_lbl" xml:lang="en-US" id="id_7341432_1431436_1_1">Employee Health And Welfare Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_EmployeeHealthAndWelfareExpenses_lbl" xml:lang="en-US" id="id_7341432_1431436_2_1">Social welfare</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_EmployeeHealthAndWelfareExpenses" xlink:to="act_EmployeeHealthAndWelfareExpenses_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="us-gaap_EmployeeRelatedLiabilitiesCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EmployeeRelatedLiabilitiesCurrent_lbl" xml:lang="en-US" id="id_7341432_1284606_1_1">Employee-related Liabilities, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EmployeeRelatedLiabilitiesCurrent_lbl" xml:lang="en-US" id="id_7341432_1284606_2_1">Accrued payroll and related benefits</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:to="us-gaap_EmployeeRelatedLiabilitiesCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_lbl" xml:lang="en-US" id="id_7341432_1287944_1_1">Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_lbl" xml:lang="en-US" id="id_7341432_1287944_2_1">Unrecognized future stock-based compensation expense</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_lbl" xml:lang="en-US" id="id_7341432_1272251_1_1">Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_lbl" xml:lang="en-US" id="id_7341432_1272251_2_1">Remaining weighted average period (years)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_lbl" xml:lang="en-US" id="id_7341432_1282401_1_1">Employee Service Share-based Compensation, Tax Benefit from Compensation Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_lbl" xml:lang="en-US" id="id_7341432_1282401_2_1">Stock-based compensation and related tax benefits</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EmployeeSeveranceMember" xlink:label="us-gaap_EmployeeSeveranceMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EmployeeSeveranceMember_lbl" xml:lang="en-US" id="id_7341432_1280465_1_1">Employee Severance [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EmployeeSeveranceMember_lbl" xml:lang="en-US" id="id_7341432_1280465_2_1">Severance Related Charges [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeSeveranceMember" xlink:to="us-gaap_EmployeeSeveranceMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_EnablexMember" xlink:label="act_EnablexMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_EnablexMember_lbl" xml:lang="en-US" id="id_7341432_1568757_3_1">Enablex [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_EnablexMember_lbl" xml:lang="en-US" id="id_7341432_1568757_1_1">Enablex [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_EnablexMember_lbl" xml:lang="en-US" id="id_7341432_1568757_2_1">Enablex [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_EnablexMember" xlink:to="act_EnablexMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="dei_EntityCentralIndexKey"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityCentralIndexKey_lbl" xml:lang="en-US" id="id_7341432_1278115_1_1">Entity Central Index Key</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_EntityCentralIndexKey_lbl" xml:lang="en-US" id="id_7341432_1278115_2_1">Entity Central Index Key</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCentralIndexKey" xlink:to="dei_EntityCentralIndexKey_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="dei_EntityCommonStockSharesOutstanding"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xml:lang="en-US" id="id_7341432_1276513_1_1">Entity Common Stock, Shares Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xml:lang="en-US" id="id_7341432_1276513_2_1">Entity Common Stock, Shares Outstanding</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCommonStockSharesOutstanding" xlink:to="dei_EntityCommonStockSharesOutstanding_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCurrentReportingStatus" xlink:label="dei_EntityCurrentReportingStatus"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityCurrentReportingStatus_lbl" xml:lang="en-US" id="id_7341432_1281311_1_1">Entity Current Reporting Status</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_EntityCurrentReportingStatus_lbl" xml:lang="en-US" id="id_7341432_1281311_2_1">Entity Current Reporting Status</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCurrentReportingStatus" xlink:to="dei_EntityCurrentReportingStatus_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityDomain_lbl" xml:lang="en-US" id="id_7341432_1273139_1_1">Entity [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_EntityDomain_lbl" xml:lang="en-US" id="id_7341432_1273139_2_1">Entity [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityDomain" xlink:to="dei_EntityDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityFilerCategory" xlink:label="dei_EntityFilerCategory"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityFilerCategory_lbl" xml:lang="en-US" id="id_7341432_1271511_1_1">Entity Filer Category</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_EntityFilerCategory_lbl" xml:lang="en-US" id="id_7341432_1271511_2_1">Entity Filer Category</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityFilerCategory" xlink:to="dei_EntityFilerCategory_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityIncorporationDateOfIncorporation" xlink:label="dei_EntityIncorporationDateOfIncorporation"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityIncorporationDateOfIncorporation_lbl" xml:lang="en-US" id="id_7341432_1271512_1_1">Entity Incorporation, Date of Incorporation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_EntityIncorporationDateOfIncorporation_lbl" xml:lang="en-US" id="id_7341432_1271512_2_1">Date of incorporation as a private limited company</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityIncorporationDateOfIncorporation" xlink:to="dei_EntityIncorporationDateOfIncorporation_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityPublicFloat" xlink:label="dei_EntityPublicFloat"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityPublicFloat_lbl" xml:lang="en-US" id="id_7341432_1284726_1_1">Entity Public Float</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_EntityPublicFloat_lbl" xml:lang="en-US" id="id_7341432_1284726_2_1">Entity Public Float</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityPublicFloat" xlink:to="dei_EntityPublicFloat_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityRegistrantName" xlink:label="dei_EntityRegistrantName"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityRegistrantName_lbl" xml:lang="en-US" id="id_7341432_1269875_1_1">Entity Registrant Name</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_EntityRegistrantName_lbl" xml:lang="en-US" id="id_7341432_1269875_2_1">Entity Registrant Name</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityRegistrantName" xlink:to="dei_EntityRegistrantName_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityVoluntaryFilers" xlink:label="dei_EntityVoluntaryFilers"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityVoluntaryFilers_lbl" xml:lang="en-US" id="id_7341432_1271521_1_1">Entity Voluntary Filers</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_EntityVoluntaryFilers_lbl" xml:lang="en-US" id="id_7341432_1271521_2_1">Entity Voluntary Filers</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityVoluntaryFilers" xlink:to="dei_EntityVoluntaryFilers_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:label="dei_EntityWellKnownSeasonedIssuer"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityWellKnownSeasonedIssuer_lbl" xml:lang="en-US" id="id_7341432_1269876_1_1">Entity Well-known Seasoned Issuer</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_EntityWellKnownSeasonedIssuer_lbl" xml:lang="en-US" id="id_7341432_1269876_2_1">Entity Well-known Seasoned Issuer</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityWellKnownSeasonedIssuer" xlink:to="dei_EntityWellKnownSeasonedIssuer_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems" xlink:label="us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_lbl" xml:lang="en-US" id="id_7341432_1270619_1_1">Revenue from External Customer [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_lbl" xml:lang="en-US" id="id_7341432_1270619_2_1">Revenue from External Customer [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems" xlink:to="us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EquityAbstract_lbl" xml:lang="en-US" id="id_7341432_1269012_1_1">Equity [Abstract]</label>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_EquityBasedCompensationAwardsMember" xlink:label="act_EquityBasedCompensationAwardsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_EquityBasedCompensationAwardsMember_lbl" xml:lang="en-US" id="id_7341432_1604733_3_1">Equity based compensation awards.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_EquityBasedCompensationAwardsMember_lbl" xml:lang="en-US" id="id_7341432_1604733_1_1">Equity Based Compensation Awards [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_EquityBasedCompensationAwardsMember_lbl" xml:lang="en-US" id="id_7341432_1604733_2_1">Equity Based Compensation Awards {Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_EquityBasedCompensationAwardsMember" xlink:to="act_EquityBasedCompensationAwardsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="us-gaap_EquityComponentDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EquityComponentDomain_lbl" xml:lang="en-US" id="id_7341432_1272258_1_1">Equity Component [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EquityComponentDomain_lbl" xml:lang="en-US" id="id_7341432_1272258_2_1">Equity Component [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_EquityComponentDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquityMethodInvestmentDividendsOrDistributions" xlink:label="us-gaap_EquityMethodInvestmentDividendsOrDistributions"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EquityMethodInvestmentDividendsOrDistributions_lbl" xml:lang="en-US" id="id_7341432_1285897_1_1">Proceeds from Equity Method Investment, Dividends or Distributions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_EquityMethodInvestmentDividendsOrDistributions_lbl" xml:lang="en-US" id="id_7341432_1285897_14_1">Equity Method investments, Distributions</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityMethodInvestmentDividendsOrDistributions" xlink:to="us-gaap_EquityMethodInvestmentDividendsOrDistributions_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquityMethodInvestmentNetSalesProceeds" xlink:label="us-gaap_EquityMethodInvestmentNetSalesProceeds"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EquityMethodInvestmentNetSalesProceeds_lbl" xml:lang="en-US" id="id_7341432_1283269_1_1">Equity Method Investment, Net Sales Proceeds</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_EquityMethodInvestmentNetSalesProceeds_lbl" xml:lang="en-US" id="id_7341432_1283269_14_1">Equity Method investments, Sale</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityMethodInvestmentNetSalesProceeds" xlink:to="us-gaap_EquityMethodInvestmentNetSalesProceeds_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_EquityMethodInvestmentOther" xlink:label="act_EquityMethodInvestmentOther"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_EquityMethodInvestmentOther_lbl" xml:lang="en-US" id="id_7341432_1591155_3_1">Equity Method Investment Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_EquityMethodInvestmentOther_lbl" xml:lang="en-US" id="id_7341432_1591155_1_1">Equity Method Investment Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="act_EquityMethodInvestmentOther_lbl" xml:lang="en-US" id="id_7341432_1591155_14_1">Equity Method investments, Other</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_EquityMethodInvestmentOther" xlink:to="act_EquityMethodInvestmentOther_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquityMethodInvestments" xlink:label="us-gaap_EquityMethodInvestments"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EquityMethodInvestments_lbl" xml:lang="en-US" id="id_7341432_1286391_1_1">Equity Method Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_EquityMethodInvestments_lbl" xml:lang="en-US" id="id_7341432_1286391_4_1">Equity Method investments, ending balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_EquityMethodInvestments_lbl" xml:lang="en-US" id="id_7341432_1286391_5_1">Equity Method investments, beginning balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EquityMethodInvestments_lbl" xml:lang="en-US" id="id_7341432_1286391_2_1">Equity method investments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityMethodInvestments" xlink:to="us-gaap_EquityMethodInvestments_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_EquityMethodInvestmentsAdditions" xlink:label="act_EquityMethodInvestmentsAdditions"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_EquityMethodInvestmentsAdditions_lbl" xml:lang="en-US" id="id_7341432_1546379_3_1">Equity Method Investments Additions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_EquityMethodInvestmentsAdditions_lbl" xml:lang="en-US" id="id_7341432_1546379_1_1">Equity Method Investments Additions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_EquityMethodInvestmentsAdditions_lbl" xml:lang="en-US" id="id_7341432_1546379_2_1">Equity Method investments, Additions</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_EquityMethodInvestmentsAdditions" xlink:to="act_EquityMethodInvestmentsAdditions_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquitySecuritiesMember" xlink:label="us-gaap_EquitySecuritiesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EquitySecuritiesMember_lbl" xml:lang="en-US" id="id_7341432_1280479_1_1">Equity Securities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EquitySecuritiesMember_lbl" xml:lang="en-US" id="id_7341432_1280479_2_1">Equity Securities [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquitySecuritiesMember" xlink:to="us-gaap_EquitySecuritiesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_EstelleMember" xlink:label="act_EstelleMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_EstelleMember_lbl" xml:lang="en-US" id="id_7341432_1591896_3_1">Estelle [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_EstelleMember_lbl" xml:lang="en-US" id="id_7341432_1591896_1_1">Estelle [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_EstelleMember_lbl" xml:lang="en-US" id="id_7341432_1591896_2_1">Estelle [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_EstelleMember" xlink:to="act_EstelleMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_EstraceCreamMember" xlink:label="act_EstraceCreamMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_EstraceCreamMember_lbl" xml:lang="en-US" id="id_7341432_1394477_3_1">Estrace cream.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_EstraceCreamMember_lbl" xml:lang="en-US" id="id_7341432_1394477_1_1">Estrace Cream [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_EstraceCreamMember_lbl" xml:lang="en-US" id="id_7341432_1394477_2_1">Estrace Cream [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_EstraceCreamMember" xlink:to="act_EstraceCreamMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_EstradiolMember" xlink:label="act_EstradiolMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_EstradiolMember_lbl" xml:lang="en-US" id="id_7341432_1335934_3_1">Estradiol [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_EstradiolMember_lbl" xml:lang="en-US" id="id_7341432_1335934_1_1">Estradiol [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_EstradiolMember_lbl" xml:lang="en-US" id="id_7341432_1335934_2_1">Estradiol [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_EstradiolMember" xlink:to="act_EstradiolMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EurodollarMember" xlink:label="us-gaap_EurodollarMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EurodollarMember_lbl" xml:lang="en-US" id="id_7341432_1273981_1_1">Eurodollar [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EurodollarMember_lbl" xml:lang="en-US" id="id_7341432_1273981_2_1">Eurodollar [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EurodollarMember" xlink:to="us-gaap_EurodollarMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_EurorateMember" xlink:label="act_EurorateMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_EurorateMember_lbl" xml:lang="en-US" id="id_7341432_1390169_3_1">Eurorate [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_EurorateMember_lbl" xml:lang="en-US" id="id_7341432_1390169_1_1">Eurorate [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_EurorateMember_lbl" xml:lang="en-US" id="id_7341432_1390169_2_1">Eurodollar Rate [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_EurorateMember" xlink:to="act_EurorateMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:label="us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_lbl" xml:lang="en-US" id="id_7341432_1285902_1_1">Excess Tax Benefit from Share-based Compensation, Financing Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_lbl" xml:lang="en-US" id="id_7341432_1285902_2_1">Excess tax benefit from stock-based compensation</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:to="us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities" xlink:label="us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities_lbl" xml:lang="en-US" id="id_7341432_1282398_1_1">Excess Tax Benefit from Share-based Compensation, Operating Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities_lbl" xml:lang="en-US" id="id_7341432_1282398_14_1">Excess tax benefit from stock-based compensation</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities" xlink:to="us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ExtinguishmentOfDebtAmount" xlink:label="us-gaap_ExtinguishmentOfDebtAmount"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ExtinguishmentOfDebtAmount_lbl" xml:lang="en-US" id="id_7341432_1286403_1_1">Extinguishment of Debt, Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ExtinguishmentOfDebtAmount_lbl" xml:lang="en-US" id="id_7341432_1286403_2_1">Debt extinguishment, carrying amount</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ExtinguishmentOfDebtAmount" xlink:to="us-gaap_ExtinguishmentOfDebtAmount_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_FacilityDecommissionCostsMember" xlink:label="act_FacilityDecommissionCostsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_FacilityDecommissionCostsMember_lbl" xml:lang="en-US" id="id_7341432_1489072_3_1">Facility Decommission Costs [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_FacilityDecommissionCostsMember_lbl" xml:lang="en-US" id="id_7341432_1489072_1_1">Facility Decommission Costs [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_FacilityDecommissionCostsMember_lbl" xml:lang="en-US" id="id_7341432_1489072_2_1">Facility Decommission Costs [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_FacilityDecommissionCostsMember" xlink:to="act_FacilityDecommissionCostsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" xml:lang="en-US" id="id_7341432_1280493_1_1">Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" xml:lang="en-US" id="id_7341432_1280493_2_1">Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_lbl" xml:lang="en-US" id="id_7341432_1277254_1_1">Fair Value Measurements, Recurring and Nonrecurring [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_lbl" xml:lang="en-US" id="id_7341432_1277254_2_1">Fair Value Measurements, Recurring and Nonrecurring [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_lbl" xml:lang="en-US" id="id_7341432_1270657_1_1">Asset Class [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_lbl" xml:lang="en-US" id="id_7341432_1270657_2_1">Asset Class [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain" xlink:to="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueByAssetClassAxis_lbl" xml:lang="en-US" id="id_7341432_1275669_1_1">Asset Class [Axis]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis_lbl" xml:lang="en-US" id="id_7341432_1269038_2_1">Fair Value, Hierarchy [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:to="us-gaap_FairValueByFairValueHierarchyLevelAxis_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueByLiabilityClassAxis_lbl" xml:lang="en-US" id="id_7341432_1275671_2_1">Liability Class [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueByLiabilityClassAxis" xlink:to="us-gaap_FairValueByLiabilityClassAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="us-gaap_FairValueDisclosuresAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueDisclosuresAbstract_lbl" xml:lang="en-US" id="id_7341432_1274013_1_1">Fair Value Disclosures [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueDisclosuresAbstract_lbl" xml:lang="en-US" id="id_7341432_1274013_2_1">Fair Value Disclosures [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueDisclosuresAbstract" xlink:to="us-gaap_FairValueDisclosuresAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueDisclosuresTextBlock" xlink:label="us-gaap_FairValueDisclosuresTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueDisclosuresTextBlock_lbl" xml:lang="en-US" id="id_7341432_1278936_1_1">Fair Value Disclosures [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueDisclosuresTextBlock_lbl" xml:lang="en-US" id="id_7341432_1278936_2_1">Fair Value Measurement</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueDisclosuresTextBlock" xlink:to="us-gaap_FairValueDisclosuresTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_FairValueIncludingAssumptionOfDebt" xlink:label="act_FairValueIncludingAssumptionOfDebt"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_FairValueIncludingAssumptionOfDebt_lbl" xml:lang="en-US" id="id_7341432_1519301_3_1">Fair value including assumption of debt.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_FairValueIncludingAssumptionOfDebt_lbl" xml:lang="en-US" id="id_7341432_1519301_1_1">Fair Value Including Assumption Of Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_FairValueIncludingAssumptionOfDebt_lbl" xml:lang="en-US" id="id_7341432_1519301_2_1">Fair value including assumption of debt</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_FairValueIncludingAssumptionOfDebt" xlink:to="act_FairValueIncludingAssumptionOfDebt_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueInputsDiscountRate" xlink:label="us-gaap_FairValueInputsDiscountRate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueInputsDiscountRate_lbl" xml:lang="en-US" id="id_7341432_1270666_1_1">Fair Value Inputs, Discount Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueInputsDiscountRate_lbl" xml:lang="en-US" id="id_7341432_1270666_2_1">Discount rate to arrive present value</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsDiscountRate" xlink:to="us-gaap_FairValueInputsDiscountRate_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="us-gaap_FairValueInputsLevel1Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xml:lang="en-US" id="id_7341432_1272304_1_1">Fair Value, Inputs, Level 1 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xml:lang="en-US" id="id_7341432_1272304_2_1">Quoted Prices In Active Markets for Identical Assets (Level 1) [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel1Member" xlink:to="us-gaap_FairValueInputsLevel1Member_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="us-gaap_FairValueInputsLevel2Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xml:lang="en-US" id="id_7341432_1269048_1_1">Fair Value, Inputs, Level 2 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xml:lang="en-US" id="id_7341432_1269048_2_1">Significant Other Observable Inputs (Level 2) [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel2Member" xlink:to="us-gaap_FairValueInputsLevel2Member_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="us-gaap_FairValueInputsLevel3Member"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xml:lang="en-US" id="id_7341432_1275680_1_1">Fair Value, Inputs, Level 3 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xml:lang="en-US" id="id_7341432_1275680_2_1">Significant Unobservable Inputs (Level 3) [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel3Member" xlink:to="us-gaap_FairValueInputsLevel3Member_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_lbl" xml:lang="en-US" id="id_7341432_1277296_1_1">Fair Value by Liability Class [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_lbl" xml:lang="en-US" id="id_7341432_1277296_2_1">Fair Value by Liability Class [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain" xlink:to="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_lbl" xml:lang="en-US" id="id_7341432_1277297_1_1">Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_lbl" xml:lang="en-US" id="id_7341432_1277297_2_1">Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:to="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_lbl" xml:lang="en-US" id="id_7341432_1269064_1_1">Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_lbl" xml:lang="en-US" id="id_7341432_1269064_2_1">Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:to="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_lbl" xml:lang="en-US" id="id_7341432_1269065_1_1">Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_lbl" xml:lang="en-US" id="id_7341432_1269065_2_1">Summary of Changes in Fair Value of all Financial Assets and Liabilities Measured at Fair Value on Recurring Basis Using Significant Unobservable Inputs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock" xlink:to="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl" xml:lang="en-US" id="id_7341432_1270691_1_1">Fair Value Hierarchy [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl" xml:lang="en-US" id="id_7341432_1270691_2_1">Fair Value Hierarchy [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityForeignCurrencyTranslation" xlink:label="act_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityForeignCurrencyTranslation"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityForeignCurrencyTranslation_lbl" xml:lang="en-US" id="id_7341432_1307813_3_1">Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Foreign Currency Translation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityForeignCurrencyTranslation_lbl" xml:lang="en-US" id="id_7341432_1307813_1_1">Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Foreign Currency Translation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityForeignCurrencyTranslation_lbl" xml:lang="en-US" id="id_7341432_1307813_2_1">Foreign currency translation</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityForeignCurrencyTranslation" xlink:to="act_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityForeignCurrencyTranslation_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings_lbl" xml:lang="en-US" id="id_7341432_1282839_1_1">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings_lbl" xml:lang="en-US" id="id_7341432_1282839_2_1">Net accretion and fair value adjustments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchasesSalesIssuancesSettlements" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchasesSalesIssuancesSettlements"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchasesSalesIssuancesSettlements_lbl" xml:lang="en-US" id="id_7341432_1284180_1_1">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases, (Sales), Issuances, (Settlements)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchasesSalesIssuancesSettlements_lbl" xml:lang="en-US" id="id_7341432_1284180_2_1">Purchases and settlements, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchasesSalesIssuancesSettlements" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchasesSalesIssuancesSettlements_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet_lbl" xml:lang="en-US" id="id_7341432_1282385_1_1">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet_lbl" xml:lang="en-US" id="id_7341432_1282385_2_1">Contingent obligation transferred</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet_lbl" xml:lang="en-US" id="id_7341432_1282385_12_1">Net transfers in to (out of) Level 3</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_lbl" xml:lang="en-US" id="id_7341432_1284181_1_1">Fair Value, Measurement with Unobservable Inputs Reconciliations, Recurring Basis, Liability Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_lbl" xml:lang="en-US" id="id_7341432_1284181_4_1">Contingent obligations, ending balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_lbl" xml:lang="en-US" id="id_7341432_1284181_5_1">Contingent obligations, beginning balance</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue" xlink:to="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_FairValueOfAcquiredCommonStock" xlink:label="act_FairValueOfAcquiredCommonStock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_FairValueOfAcquiredCommonStock_lbl" xml:lang="en-US" id="id_7341432_1610669_3_1">Fair Value Of Acquired Common Stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_FairValueOfAcquiredCommonStock_lbl" xml:lang="en-US" id="id_7341432_1610669_1_1">Fair Value Of Acquired Common Stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_FairValueOfAcquiredCommonStock_lbl" xml:lang="en-US" id="id_7341432_1610669_2_1">Fair Value of acquired common stock</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_FairValueOfAcquiredCommonStock" xlink:to="act_FairValueOfAcquiredCommonStock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueOfAssetsAcquired" xlink:label="us-gaap_FairValueOfAssetsAcquired"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueOfAssetsAcquired_lbl" xml:lang="en-US" id="id_7341432_1288456_1_1">Fair Value of Assets Acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueOfAssetsAcquired_lbl" xml:lang="en-US" id="id_7341432_1288456_2_1">Acquisition of net assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueOfAssetsAcquired" xlink:to="us-gaap_FairValueOfAssetsAcquired_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:label="us-gaap_FairValueOfFinancialInstrumentsPolicy"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueOfFinancialInstrumentsPolicy_lbl" xml:lang="en-US" id="id_7341432_1280532_1_1">Fair Value of Financial Instruments, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueOfFinancialInstrumentsPolicy_lbl" xml:lang="en-US" id="id_7341432_1280532_2_1">Fair Value of Other Financial Instruments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:to="us-gaap_FairValueOfFinancialInstrumentsPolicy_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_FarrellBayerCorpMember" xlink:label="act_FarrellBayerCorpMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_FarrellBayerCorpMember_lbl" xml:lang="en-US" id="id_7341432_1591917_3_1">Farrell Bayer Corp [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_FarrellBayerCorpMember_lbl" xml:lang="en-US" id="id_7341432_1591917_1_1">Farrell Bayer Corp [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_FarrellBayerCorpMember_lbl" xml:lang="en-US" id="id_7341432_1591917_2_1">Farrell v. Bayer Corp. [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_FarrellBayerCorpMember" xlink:to="act_FarrellBayerCorpMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_FdaCorrespondenceMember" xlink:label="act_FdaCorrespondenceMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_FdaCorrespondenceMember_lbl" xml:lang="en-US" id="id_7341432_1613659_3_1">Fda Correspondence [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_FdaCorrespondenceMember_lbl" xml:lang="en-US" id="id_7341432_1613659_1_1">Fda Correspondence [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_FdaCorrespondenceMember_lbl" xml:lang="en-US" id="id_7341432_1613659_2_1">Fda Correspondence [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_FdaCorrespondenceMember" xlink:to="act_FdaCorrespondenceMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_FederalTradeCommissionMember" xlink:label="act_FederalTradeCommissionMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_FederalTradeCommissionMember_lbl" xml:lang="en-US" id="id_7341432_1408735_3_1">Federal Trade Commission [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_FederalTradeCommissionMember_lbl" xml:lang="en-US" id="id_7341432_1408735_1_1">Federal Trade Commission [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_FederalTradeCommissionMember_lbl" xml:lang="en-US" id="id_7341432_1408735_2_1">Federal Trade Commission [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_FederalTradeCommissionMember" xlink:to="act_FederalTradeCommissionMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_FentanylTransdermalSystemLitigationMember" xlink:label="act_FentanylTransdermalSystemLitigationMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_FentanylTransdermalSystemLitigationMember_lbl" xml:lang="en-US" id="id_7341432_1549169_3_1">Fentanyl Transdermal System Litigation [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_FentanylTransdermalSystemLitigationMember_lbl" xml:lang="en-US" id="id_7341432_1549169_1_1">Fentanyl Transdermal System Litigation [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_FentanylTransdermalSystemLitigationMember_lbl" xml:lang="en-US" id="id_7341432_1549169_2_1">Fentanyl Transdermal System Litigation [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_FentanylTransdermalSystemLitigationMember" xlink:to="act_FentanylTransdermalSystemLitigationMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_FetzimaMember" xlink:label="act_FetzimaMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_FetzimaMember_lbl" xml:lang="en-US" id="id_7341432_1596153_3_1">Fetzima.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_FetzimaMember_lbl" xml:lang="en-US" id="id_7341432_1596153_1_1">Fetzima [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_FetzimaMember_lbl" xml:lang="en-US" id="id_7341432_1596153_2_1">Fetzima [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_FetzimaMember" xlink:to="act_FetzimaMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FinancialInstrumentAxis" xlink:label="us-gaap_FinancialInstrumentAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinancialInstrumentAxis_lbl" xml:lang="en-US" id="id_7341432_1278975_1_1">Financial Instrument [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FinancialInstrumentAxis_lbl" xml:lang="en-US" id="id_7341432_1278975_2_1">Financial Instrument [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancialInstrumentAxis" xlink:to="us-gaap_FinancialInstrumentAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_FinancingCostsMember" xlink:label="act_FinancingCostsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_FinancingCostsMember_lbl" xml:lang="en-US" id="id_7341432_1518848_3_1">Financing costs.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_FinancingCostsMember_lbl" xml:lang="en-US" id="id_7341432_1518848_1_1">Financing Costs [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_FinancingCostsMember_lbl" xml:lang="en-US" id="id_7341432_1518848_2_1">Finance Related Charges [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_FinancingCostsMember" xlink:to="act_FinancingCostsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_FiniteAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems" xlink:label="act_FiniteAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_FiniteAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems_lbl" xml:lang="en-US" id="id_7341432_1540795_3_1">Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_FiniteAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems_lbl" xml:lang="en-US" id="id_7341432_1540795_1_1">Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_FiniteAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems_lbl" xml:lang="en-US" id="id_7341432_1540795_2_1">Finite And Indefinite Lived Intangible Assets By Major Class [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_FiniteAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems" xlink:to="act_FiniteAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_lbl" xml:lang="en-US" id="id_7341432_1283708_1_1">Finite-Lived Intangible Assets, Accumulated Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_lbl" xml:lang="en-US" id="id_7341432_1283708_16_1">Intangible assets, Accumulated Amortization, Ending balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_lbl" xml:lang="en-US" id="id_7341432_1283708_17_1">Intangible assets, Accumulated Amortization, Beginning balance</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FinitelivedIntangibleAssetsAcquired1" xlink:label="us-gaap_FinitelivedIntangibleAssetsAcquired1"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinitelivedIntangibleAssetsAcquired1_lbl" xml:lang="en-US" id="id_7341432_1289002_1_1">Finite-lived Intangible Assets Acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FinitelivedIntangibleAssetsAcquired1_lbl" xml:lang="en-US" id="id_7341432_1289002_2_1">Intangibles with definite lives, Acquisitions</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinitelivedIntangibleAssetsAcquired1" xlink:to="us-gaap_FinitelivedIntangibleAssetsAcquired1_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_lbl" xml:lang="en-US" id="id_7341432_1288470_1_1">Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_lbl" xml:lang="en-US" id="id_7341432_1288470_2_1">2015</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_lbl" xml:lang="en-US" id="id_7341432_1286975_1_1">Finite-Lived Intangible Assets, Amortization Expense, Year Five</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_lbl" xml:lang="en-US" id="id_7341432_1286975_2_1">2019</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl" xml:lang="en-US" id="id_7341432_1285405_1_1">Finite-Lived Intangible Assets, Amortization Expense, Year Four</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl" xml:lang="en-US" id="id_7341432_1285405_2_1">2018</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_lbl" xml:lang="en-US" id="id_7341432_1289004_1_1">Finite-Lived Intangible Assets, Amortization Expense, Year Three</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_lbl" xml:lang="en-US" id="id_7341432_1289004_2_1">2017</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl" xml:lang="en-US" id="id_7341432_1287977_1_1">Finite-Lived Intangible Assets, Amortization Expense, Year Two</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl" xml:lang="en-US" id="id_7341432_1287977_2_1">2016</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_lbl" xml:lang="en-US" id="id_7341432_1277337_1_1">Finite-Lived Intangible Assets by Major Class [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_lbl" xml:lang="en-US" id="id_7341432_1277337_2_1">Finite-Lived Intangible Assets by Major Class [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xml:lang="en-US" id="id_7341432_1289010_1_1">Finite-Lived Intangible Assets, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xml:lang="en-US" id="id_7341432_1289010_4_1">Intangibles with definite lives, Ending balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xml:lang="en-US" id="id_7341432_1289010_5_1">Intangibles with definite lives, Beginning balance</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsGross" xlink:to="us-gaap_FiniteLivedIntangibleAssetsGross_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_FiniteLivedIntangibleAssetsHeldForSale" xlink:label="act_FiniteLivedIntangibleAssetsHeldForSale"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_FiniteLivedIntangibleAssetsHeldForSale_lbl" xml:lang="en-US" id="id_7341432_1610826_3_1">Finite lived intangible assets held for sale.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_FiniteLivedIntangibleAssetsHeldForSale_lbl" xml:lang="en-US" id="id_7341432_1610826_1_1">Finite Lived Intangible Assets Held For Sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_FiniteLivedIntangibleAssetsHeldForSale_lbl" xml:lang="en-US" id="id_7341432_1610826_2_1">Intangible assets gross, Held For Sale</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_FiniteLivedIntangibleAssetsHeldForSale" xlink:to="act_FiniteLivedIntangibleAssetsHeldForSale_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="us-gaap_FiniteLivedIntangibleAssetsLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsLineItems_lbl" xml:lang="en-US" id="id_7341432_1278987_1_1">Finite-Lived Intangible Assets [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FiniteLivedIntangibleAssetsLineItems_lbl" xml:lang="en-US" id="id_7341432_1278987_2_1">Finite-Lived Intangible Assets [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="us-gaap_FiniteLivedIntangibleAssetsLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" xml:lang="en-US" id="id_7341432_1272379_1_1">Finite-Lived Intangible Assets, Major Class Name [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" xml:lang="en-US" id="id_7341432_1272379_2_1">Finite-Lived Intangible Assets, Major Class Name [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_FiniteLivedIntangibleAssetsPeriodIncreaseDecreaseDisposalsAndOther" xlink:label="act_FiniteLivedIntangibleAssetsPeriodIncreaseDecreaseDisposalsAndOther"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_FiniteLivedIntangibleAssetsPeriodIncreaseDecreaseDisposalsAndOther_lbl" xml:lang="en-US" id="id_7341432_1598201_3_1">Finite Lived Intangible Assets Period Increase Decrease Disposals and Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_FiniteLivedIntangibleAssetsPeriodIncreaseDecreaseDisposalsAndOther_lbl" xml:lang="en-US" id="id_7341432_1598201_1_1">Finite Lived Intangible Assets Period Increase Decrease Disposals and Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_FiniteLivedIntangibleAssetsPeriodIncreaseDecreaseDisposalsAndOther_lbl" xml:lang="en-US" id="id_7341432_1598201_2_1">Intangibles with definite lives, disposals/Other</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_FiniteLivedIntangibleAssetsPeriodIncreaseDecreaseDisposalsAndOther" xlink:to="act_FiniteLivedIntangibleAssetsPeriodIncreaseDecreaseDisposalsAndOther_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsTranslationAdjustments" xlink:label="us-gaap_FiniteLivedIntangibleAssetsTranslationAdjustments"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FiniteLivedIntangibleAssetsTranslationAdjustments_lbl" xml:lang="en-US" id="id_7341432_1286442_1_1">Finite-Lived Intangible Assets, Translation Adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FiniteLivedIntangibleAssetsTranslationAdjustments_lbl" xml:lang="en-US" id="id_7341432_1286442_2_1">Intangibles with definite lives, CTA</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsTranslationAdjustments" xlink:to="us-gaap_FiniteLivedIntangibleAssetsTranslationAdjustments_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_FirstTimeUsGenericsMember" xlink:label="act_FirstTimeUsGenericsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_FirstTimeUsGenericsMember_lbl" xml:lang="en-US" id="id_7341432_1591869_3_1">First Time Us Generics [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_FirstTimeUsGenericsMember_lbl" xml:lang="en-US" id="id_7341432_1591869_1_1">First Time Us Generics [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_FirstTimeUsGenericsMember_lbl" xml:lang="en-US" id="id_7341432_1591869_2_1">First Time US Generics [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_FirstTimeUsGenericsMember" xlink:to="act_FirstTimeUsGenericsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_FivePointZeroZeroPercentageSeniorNotesDueAugustFifteenTwoThousandFourteenMember" xlink:label="act_FivePointZeroZeroPercentageSeniorNotesDueAugustFifteenTwoThousandFourteenMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_FivePointZeroZeroPercentageSeniorNotesDueAugustFifteenTwoThousandFourteenMember_lbl" xml:lang="en-US" id="id_7341432_1568001_3_1">Five Point Zero Zero Percentage Senior Notes Due August Fifteen Two Thousand Fourteen [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_FivePointZeroZeroPercentageSeniorNotesDueAugustFifteenTwoThousandFourteenMember_lbl" xml:lang="en-US" id="id_7341432_1568001_1_1">Five Point Zero Zero Percentage Senior Notes Due August Fifteen Two Thousand Fourteen [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_FivePointZeroZeroPercentageSeniorNotesDueAugustFifteenTwoThousandFourteenMember_lbl" xml:lang="en-US" id="id_7341432_1568001_2_1">5.00% Senior Notes Due August 15, 2014 [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_FivePointZeroZeroPercentageSeniorNotesDueAugustFifteenTwoThousandFourteenMember" xlink:to="act_FivePointZeroZeroPercentageSeniorNotesDueAugustFifteenTwoThousandFourteenMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_FivePointZeroZeroZeroPercentageSeniorNotesDueDecemberFifteenTwoThousandTwentyFourMember" xlink:label="act_FivePointZeroZeroZeroPercentageSeniorNotesDueDecemberFifteenTwoThousandTwentyFourMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_FivePointZeroZeroZeroPercentageSeniorNotesDueDecemberFifteenTwoThousandTwentyFourMember_lbl" xml:lang="en-US" id="id_7341432_1592225_3_1">Five Point Zero Zero Zero Percentage Senior Notes Due December Fifteen Two Thousand Twenty Four [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_FivePointZeroZeroZeroPercentageSeniorNotesDueDecemberFifteenTwoThousandTwentyFourMember_lbl" xml:lang="en-US" id="id_7341432_1592225_1_1">Five Point Zero Zero Zero Percentage Senior Notes Due December Fifteen Two Thousand Twenty Four [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_FivePointZeroZeroZeroPercentageSeniorNotesDueDecemberFifteenTwoThousandTwentyFourMember_lbl" xml:lang="en-US" id="id_7341432_1592225_2_1">5.000% Notes Due December 15, 2021 [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_FivePointZeroZeroZeroPercentageSeniorNotesDueDecemberFifteenTwoThousandTwentyFourMember" xlink:to="act_FivePointZeroZeroZeroPercentageSeniorNotesDueDecemberFifteenTwoThousandTwentyFourMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_FivePointZeroZeroZeroPercentageSeniorNotesDueTwoThousandNineteenMember" xlink:label="act_FivePointZeroZeroZeroPercentageSeniorNotesDueTwoThousandNineteenMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_FivePointZeroZeroZeroPercentageSeniorNotesDueTwoThousandNineteenMember_lbl" xml:lang="en-US" id="id_7341432_1596142_3_1">Five Point Zero Zero Zero Percentage Senior Notes Due Two Thousand Nineteen [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_FivePointZeroZeroZeroPercentageSeniorNotesDueTwoThousandNineteenMember_lbl" xml:lang="en-US" id="id_7341432_1596142_1_1">Five Point Zero Zero Zero Percentage Senior Notes Due Two Thousand Nineteen [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_FivePointZeroZeroZeroPercentageSeniorNotesDueTwoThousandNineteenMember_lbl" xml:lang="en-US" id="id_7341432_1596142_2_1">5.000% Senior Notes Due 2019 [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_FivePointZeroZeroZeroPercentageSeniorNotesDueTwoThousandNineteenMember" xlink:to="act_FivePointZeroZeroZeroPercentageSeniorNotesDueTwoThousandNineteenMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FixedIncomeFundsMember" xlink:label="us-gaap_FixedIncomeFundsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FixedIncomeFundsMember_lbl" xml:lang="en-US" id="id_7341432_1278993_1_1">Fixed Income Funds [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FixedIncomeFundsMember_lbl" xml:lang="en-US" id="id_7341432_1278993_2_1">Fixed Income Obligations [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FixedIncomeFundsMember" xlink:to="us-gaap_FixedIncomeFundsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ForeignCountryMember" xlink:label="us-gaap_ForeignCountryMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ForeignCountryMember_lbl" xml:lang="en-US" id="id_7341432_1274075_1_1">Foreign Tax Authority [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ForeignCountryMember_lbl" xml:lang="en-US" id="id_7341432_1274075_2_1">Non-U.S. [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ForeignCountryMember" xlink:to="us-gaap_ForeignCountryMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ForeignCurrencyContractAssetFairValueDisclosure" xlink:label="us-gaap_ForeignCurrencyContractAssetFairValueDisclosure"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ForeignCurrencyContractAssetFairValueDisclosure_lbl" xml:lang="en-US" id="id_7341432_1287477_1_1">Foreign Currency Contract, Asset, Fair Value Disclosure</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ForeignCurrencyContractAssetFairValueDisclosure_lbl" xml:lang="en-US" id="id_7341432_1287477_2_1">Foreign exchange forward contracts</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ForeignCurrencyContractAssetFairValueDisclosure" xlink:to="us-gaap_ForeignCurrencyContractAssetFairValueDisclosure_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ForeignCurrencyForwardContractMember" xlink:label="act_ForeignCurrencyForwardContractMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ForeignCurrencyForwardContractMember_lbl" xml:lang="en-US" id="id_7341432_1502658_3_1">Foreign Currency Forward Contract [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ForeignCurrencyForwardContractMember_lbl" xml:lang="en-US" id="id_7341432_1502658_1_1">Foreign Currency Forward Contract [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ForeignCurrencyForwardContractMember_lbl" xml:lang="en-US" id="id_7341432_1502658_2_1">Foreign Currency Forward Contracts [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ForeignCurrencyForwardContractMember" xlink:to="act_ForeignCurrencyForwardContractMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ForeignCurrencyOptionAndForwardContractNonHedging" xlink:label="act_ForeignCurrencyOptionAndForwardContractNonHedging"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ForeignCurrencyOptionAndForwardContractNonHedging_lbl" xml:lang="en-US" id="id_7341432_1362432_3_1">Foreign currency option and forward contract non-hedging.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ForeignCurrencyOptionAndForwardContractNonHedging_lbl" xml:lang="en-US" id="id_7341432_1362432_1_1">Foreign Currency Option And Forward Contract Non Hedging</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ForeignCurrencyOptionAndForwardContractNonHedging_lbl" xml:lang="en-US" id="id_7341432_1362432_2_1">Derivative amount of foreign currency exchange options and forward contracts to hedge</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ForeignCurrencyOptionAndForwardContractNonHedging" xlink:to="act_ForeignCurrencyOptionAndForwardContractNonHedging_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ForeignCurrencyOptionPremiumPayable" xlink:label="act_ForeignCurrencyOptionPremiumPayable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ForeignCurrencyOptionPremiumPayable_lbl" xml:lang="en-US" id="id_7341432_1417319_3_1">Foreign currency option premium payable.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ForeignCurrencyOptionPremiumPayable_lbl" xml:lang="en-US" id="id_7341432_1417319_1_1">Foreign Currency Option Premium Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ForeignCurrencyOptionPremiumPayable_lbl" xml:lang="en-US" id="id_7341432_1417319_2_1">Foreign currency options premium payable</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ForeignCurrencyOptionPremiumPayable" xlink:to="act_ForeignCurrencyOptionPremiumPayable_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ForeignCurrencySalesContractsMember" xlink:label="act_ForeignCurrencySalesContractsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ForeignCurrencySalesContractsMember_lbl" xml:lang="en-US" id="id_7341432_1506567_3_1">Foreign Currency Sales Contracts [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ForeignCurrencySalesContractsMember_lbl" xml:lang="en-US" id="id_7341432_1506567_1_1">Foreign Currency Sales Contracts [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ForeignCurrencySalesContractsMember_lbl" xml:lang="en-US" id="id_7341432_1506567_2_1">Foreign Currency Sell Contracts [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ForeignCurrencySalesContractsMember" xlink:to="act_ForeignCurrencySalesContractsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xlink:label="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_lbl" xml:lang="en-US" id="id_7341432_1277346_1_1">Foreign Currency Transactions and Translations Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_lbl" xml:lang="en-US" id="id_7341432_1277346_2_1">Foreign Currency Translation</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xlink:to="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ForestAcquisitionMember" xlink:label="act_ForestAcquisitionMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ForestAcquisitionMember_lbl" xml:lang="en-US" id="id_7341432_1573218_3_1">Forest Acquisition [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ForestAcquisitionMember_lbl" xml:lang="en-US" id="id_7341432_1573218_1_1">Forest Acquisition [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ForestAcquisitionMember_lbl" xml:lang="en-US" id="id_7341432_1573218_2_1">Forest Acquisition [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ForestAcquisitionMember" xlink:to="act_ForestAcquisitionMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ForestLaboratoriesIncMember" xlink:label="act_ForestLaboratoriesIncMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ForestLaboratoriesIncMember_lbl" xml:lang="en-US" id="id_7341432_1347121_3_1">Forest Laboratories Inc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ForestLaboratoriesIncMember_lbl" xml:lang="en-US" id="id_7341432_1347121_1_1">Forest Laboratories Inc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ForestLaboratoriesIncMember_lbl" xml:lang="en-US" id="id_7341432_1347121_2_1">Forest Laboratories Inc. [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ForestLaboratoriesIncMember" xlink:to="act_ForestLaboratoriesIncMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ForestMergerAgreementMember" xlink:label="act_ForestMergerAgreementMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ForestMergerAgreementMember_lbl" xml:lang="en-US" id="id_7341432_1604876_3_1">Forest Merger Agreement [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ForestMergerAgreementMember_lbl" xml:lang="en-US" id="id_7341432_1604876_1_1">Forest Merger Agreement [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ForestMergerAgreementMember_lbl" xml:lang="en-US" id="id_7341432_1604876_2_1">Forest Merger Agreement [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ForestMergerAgreementMember" xlink:to="act_ForestMergerAgreementMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ForestProductsMember" xlink:label="act_ForestProductsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ForestProductsMember_lbl" xml:lang="en-US" id="id_7341432_1298323_3_1">Forest Products [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ForestProductsMember_lbl" xml:lang="en-US" id="id_7341432_1298323_1_1">Forest Products [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ForestProductsMember_lbl" xml:lang="en-US" id="id_7341432_1298323_2_1">Forest Products [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ForestProductsMember" xlink:to="act_ForestProductsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_FormationOfCompanyTextBlock" xlink:label="act_FormationOfCompanyTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_FormationOfCompanyTextBlock_lbl" xml:lang="en-US" id="id_7341432_1379394_3_1">Formation Of Company [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_FormationOfCompanyTextBlock_lbl" xml:lang="en-US" id="id_7341432_1379394_1_1">Formation Of Company [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_FormationOfCompanyTextBlock_lbl" xml:lang="en-US" id="id_7341432_1379394_2_1">Formation of the Company</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_FormationOfCompanyTextBlock" xlink:to="act_FormationOfCompanyTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_FourPointEightFivePercentageSeniorNotesDueJuneFifteenTwoThousandFortyFourMember" xlink:label="act_FourPointEightFivePercentageSeniorNotesDueJuneFifteenTwoThousandFortyFourMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_FourPointEightFivePercentageSeniorNotesDueJuneFifteenTwoThousandFortyFourMember_lbl" xml:lang="en-US" id="id_7341432_1591920_3_1">Four Point Eight Five Percentage Senior Notes Due June Fifteen Two Thousand Forty Four [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_FourPointEightFivePercentageSeniorNotesDueJuneFifteenTwoThousandFortyFourMember_lbl" xml:lang="en-US" id="id_7341432_1591920_1_1">Four Point Eight Five Percentage Senior Notes Due June Fifteen Two Thousand Forty Four [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_FourPointEightFivePercentageSeniorNotesDueJuneFifteenTwoThousandFortyFourMember_lbl" xml:lang="en-US" id="id_7341432_1591920_2_1">4.85% Notes Due June 15, 2044 [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_FourPointEightFivePercentageSeniorNotesDueJuneFifteenTwoThousandFortyFourMember" xlink:to="act_FourPointEightFivePercentageSeniorNotesDueJuneFifteenTwoThousandFortyFourMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_FourPointEightSevenFivePercentageSeniorNotesDueFebruaryFifteenTwoThousandTwentyOneMember" xlink:label="act_FourPointEightSevenFivePercentageSeniorNotesDueFebruaryFifteenTwoThousandTwentyOneMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_FourPointEightSevenFivePercentageSeniorNotesDueFebruaryFifteenTwoThousandTwentyOneMember_lbl" xml:lang="en-US" id="id_7341432_1598015_3_1">Four Point Eight Seven Five Percentage Senior Notes Due February Fifteen Two Thousand Twenty One [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_FourPointEightSevenFivePercentageSeniorNotesDueFebruaryFifteenTwoThousandTwentyOneMember_lbl" xml:lang="en-US" id="id_7341432_1598015_1_1">Four Point Eight Seven Five Percentage Senior Notes Due February Fifteen Two Thousand Twenty One [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_FourPointEightSevenFivePercentageSeniorNotesDueFebruaryFifteenTwoThousandTwentyOneMember_lbl" xml:lang="en-US" id="id_7341432_1598015_2_1">4.875% Notes Due February 15, 2021 [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_FourPointEightSevenFivePercentageSeniorNotesDueFebruaryFifteenTwoThousandTwentyOneMember" xlink:to="act_FourPointEightSevenFivePercentageSeniorNotesDueFebruaryFifteenTwoThousandTwentyOneMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_FourPointEightSevenFivePercentageSeniorNotesDueTwoThousandTwentyOneMember" xlink:label="act_FourPointEightSevenFivePercentageSeniorNotesDueTwoThousandTwentyOneMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_FourPointEightSevenFivePercentageSeniorNotesDueTwoThousandTwentyOneMember_lbl" xml:lang="en-US" id="id_7341432_1592234_3_1">Four Point Eight Seven Five Percentage Senior Notes Due Two Thousand Twenty One [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_FourPointEightSevenFivePercentageSeniorNotesDueTwoThousandTwentyOneMember_lbl" xml:lang="en-US" id="id_7341432_1592234_1_1">Four Point Eight Seven Five Percentage Senior Notes Due Two Thousand Twenty One [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_FourPointEightSevenFivePercentageSeniorNotesDueTwoThousandTwentyOneMember_lbl" xml:lang="en-US" id="id_7341432_1592234_2_1">4.875% Senior Notes Due 2021 [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_FourPointEightSevenFivePercentageSeniorNotesDueTwoThousandTwentyOneMember" xlink:to="act_FourPointEightSevenFivePercentageSeniorNotesDueTwoThousandTwentyOneMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_FourPointSixTwoFivePercentageSeniorNotesDueOctoberOneTwoThousandFortyTwoMember" xlink:label="act_FourPointSixTwoFivePercentageSeniorNotesDueOctoberOneTwoThousandFortyTwoMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_FourPointSixTwoFivePercentageSeniorNotesDueOctoberOneTwoThousandFortyTwoMember_lbl" xml:lang="en-US" id="id_7341432_1437288_3_1">Four Point Six Two Five Percentage Senior Notes Due October One Two Thousand Forty Two [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_FourPointSixTwoFivePercentageSeniorNotesDueOctoberOneTwoThousandFortyTwoMember_lbl" xml:lang="en-US" id="id_7341432_1437288_1_1">Four Point Six Two Five Percentage Senior Notes Due October One Two Thousand Forty Two [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_FourPointSixTwoFivePercentageSeniorNotesDueOctoberOneTwoThousandFortyTwoMember_lbl" xml:lang="en-US" id="id_7341432_1437288_2_1">4.625% Notes Due October 1, 2042 [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_FourPointSixTwoFivePercentageSeniorNotesDueOctoberOneTwoThousandFortyTwoMember" xlink:to="act_FourPointSixTwoFivePercentageSeniorNotesDueOctoberOneTwoThousandFortyTwoMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_FourPointThreeSevenFivePercentageSeniorNotesDueFebruaryOneTwoThousandNineteenMember" xlink:label="act_FourPointThreeSevenFivePercentageSeniorNotesDueFebruaryOneTwoThousandNineteenMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_FourPointThreeSevenFivePercentageSeniorNotesDueFebruaryOneTwoThousandNineteenMember_lbl" xml:lang="en-US" id="id_7341432_1592223_3_1">Four Point Three Seven Five Percentage Senior Notes Due February One Two Thousand Nineteen [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_FourPointThreeSevenFivePercentageSeniorNotesDueFebruaryOneTwoThousandNineteenMember_lbl" xml:lang="en-US" id="id_7341432_1592223_1_1">Four Point Three Seven Five Percentage Senior Notes Due February One Two Thousand Nineteen [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_FourPointThreeSevenFivePercentageSeniorNotesDueFebruaryOneTwoThousandNineteenMember_lbl" xml:lang="en-US" id="id_7341432_1592223_2_1">4.375% Notes Due February 1, 2019 [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_FourPointThreeSevenFivePercentageSeniorNotesDueFebruaryOneTwoThousandNineteenMember" xlink:to="act_FourPointThreeSevenFivePercentageSeniorNotesDueFebruaryOneTwoThousandNineteenMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_FuriexAcquisitionMember" xlink:label="act_FuriexAcquisitionMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_FuriexAcquisitionMember_lbl" xml:lang="en-US" id="id_7341432_1592221_3_1">Furiex Acquisition [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_FuriexAcquisitionMember_lbl" xml:lang="en-US" id="id_7341432_1592221_1_1">Furiex Acquisition [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_FuriexAcquisitionMember_lbl" xml:lang="en-US" id="id_7341432_1592221_2_1">Furiex Acquisition [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_FuriexAcquisitionMember" xlink:to="act_FuriexAcquisitionMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_FuriexPharmaceuticalsIncMember" xlink:label="act_FuriexPharmaceuticalsIncMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_FuriexPharmaceuticalsIncMember_lbl" xml:lang="en-US" id="id_7341432_1592090_3_1">Furiex Pharmaceuticals Inc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_FuriexPharmaceuticalsIncMember_lbl" xml:lang="en-US" id="id_7341432_1592090_1_1">Furiex Pharmaceuticals Inc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_FuriexPharmaceuticalsIncMember_lbl" xml:lang="en-US" id="id_7341432_1592090_2_1">Furiex Pharmaceuticals, Inc. [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_FuriexPharmaceuticalsIncMember" xlink:to="act_FuriexPharmaceuticalsIncMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FurnitureAndFixturesMember" xlink:label="us-gaap_FurnitureAndFixturesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FurnitureAndFixturesMember_lbl" xml:lang="en-US" id="id_7341432_1274094_1_1">Furniture and Fixtures [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FurnitureAndFixturesMember_lbl" xml:lang="en-US" id="id_7341432_1274094_2_1">Furniture and Fixtures [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FurnitureAndFixturesMember" xlink:to="us-gaap_FurnitureAndFixturesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_FutureExpectedCashFlowDiscountingPeriod" xlink:label="act_FutureExpectedCashFlowDiscountingPeriod"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_FutureExpectedCashFlowDiscountingPeriod_lbl" xml:lang="en-US" id="id_7341432_1450950_3_1">Future Expected Cash Flow Discounting Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_FutureExpectedCashFlowDiscountingPeriod_lbl" xml:lang="en-US" id="id_7341432_1450950_1_1">Future Expected Cash Flow Discounting Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_FutureExpectedCashFlowDiscountingPeriod_lbl" xml:lang="en-US" id="id_7341432_1450950_2_1">Discounted cash flow years</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_FutureExpectedCashFlowDiscountingPeriod" xlink:to="act_FutureExpectedCashFlowDiscountingPeriod_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_GabapentinMember" xlink:label="act_GabapentinMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_GabapentinMember_lbl" xml:lang="en-US" id="id_7341432_1527592_3_1">Gabapentin [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_GabapentinMember_lbl" xml:lang="en-US" id="id_7341432_1527592_1_1">Gabapentin [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_GabapentinMember_lbl" xml:lang="en-US" id="id_7341432_1527592_2_1">Gabapentin [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_GabapentinMember" xlink:to="act_GabapentinMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_GainLosseOnSaleOfAssets" xlink:label="act_GainLosseOnSaleOfAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_GainLosseOnSaleOfAssets_lbl" xml:lang="en-US" id="id_7341432_1613634_3_1">Gain (loss) on sale of assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_GainLosseOnSaleOfAssets_lbl" xml:lang="en-US" id="id_7341432_1613634_1_1">Gain Losse On Sale Of Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_GainLosseOnSaleOfAssets_lbl" xml:lang="en-US" id="id_7341432_1613634_2_1">(Loss) / gain on sale of assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_GainLosseOnSaleOfAssets" xlink:to="act_GainLosseOnSaleOfAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GainLossOnContractTermination" xlink:label="us-gaap_GainLossOnContractTermination"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GainLossOnContractTermination_lbl" xml:lang="en-US" id="id_7341432_1284560_1_1">Gain (Loss) on Contract Termination</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GainLossOnContractTermination_lbl" xml:lang="en-US" id="id_7341432_1284560_2_1">Loss on termination</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossOnContractTermination" xlink:to="us-gaap_GainLossOnContractTermination_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_GainLossOnDisposalOfAssets" xlink:label="act_GainLossOnDisposalOfAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_GainLossOnDisposalOfAssets_lbl" xml:lang="en-US" id="id_7341432_1392958_3_1">Gain Loss On Disposal Of Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_GainLossOnDisposalOfAssets_lbl" xml:lang="en-US" id="id_7341432_1392958_1_1">Gain Loss On Disposal Of Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_GainLossOnDisposalOfAssets_lbl" xml:lang="en-US" id="id_7341432_1392958_2_1">Recognized loss on disposal of assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_GainLossOnDisposalOfAssets" xlink:to="act_GainLossOnDisposalOfAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets1" xlink:label="us-gaap_GainLossOnDispositionOfAssets1"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GainLossOnDispositionOfAssets1_lbl" xml:lang="en-US" id="id_7341432_1284154_1_1">Gain (Loss) on Disposition of Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GainLossOnDispositionOfAssets1_lbl" xml:lang="en-US" id="id_7341432_1284154_2_1">Gain on sale of assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossOnDispositionOfAssets1" xlink:to="us-gaap_GainLossOnDispositionOfAssets1_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GainLossOnDispositionOfIntangibleAssets" xlink:label="us-gaap_GainLossOnDispositionOfIntangibleAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GainLossOnDispositionOfIntangibleAssets_lbl" xml:lang="en-US" id="id_7341432_1285026_1_1">Gain (Loss) on Disposition of Intangible Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GainLossOnDispositionOfIntangibleAssets_lbl" xml:lang="en-US" id="id_7341432_1285026_2_1">Net loss on impaired asset</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossOnDispositionOfIntangibleAssets" xlink:to="us-gaap_GainLossOnDispositionOfIntangibleAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_GainLossOnDivestitureNet" xlink:label="act_GainLossOnDivestitureNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_GainLossOnDivestitureNet_lbl" xml:lang="en-US" id="id_7341432_1473003_3_1">Gain Loss On Divestiture Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_GainLossOnDivestitureNet_lbl" xml:lang="en-US" id="id_7341432_1473003_1_1">Gain Loss On Divestiture Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_GainLossOnDivestitureNet_lbl" xml:lang="en-US" id="id_7341432_1473003_2_1">Gain on sale of divested products</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="act_GainLossOnDivestitureNet_lbl" xml:lang="en-US" id="id_7341432_1473003_12_1">Gain on sale of products</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_GainLossOnDivestitureNet" xlink:to="act_GainLossOnDivestitureNet_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_GainLossOnSaleOfAssetsAndAssetImpairmentChargesContingentConsideration" xlink:label="act_GainLossOnSaleOfAssetsAndAssetImpairmentChargesContingentConsideration"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_GainLossOnSaleOfAssetsAndAssetImpairmentChargesContingentConsideration_lbl" xml:lang="en-US" id="id_7341432_1314793_3_1">Gain Loss On Sale Of Assets And Asset Impairment Charges Contingent Consideration</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_GainLossOnSaleOfAssetsAndAssetImpairmentChargesContingentConsideration_lbl" xml:lang="en-US" id="id_7341432_1314793_1_1">Gain Loss On Sale Of Assets And Asset Impairment Charges Contingent Consideration</label>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_GainLossOnSaleOfNetAssetsHeldForSale" xlink:label="act_GainLossOnSaleOfNetAssetsHeldForSale"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_GainLossOnSaleOfNetAssetsHeldForSale_lbl" xml:lang="en-US" id="id_7341432_1591895_3_1">Gain Loss On Sale Of Net Assets Held For Sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_GainLossOnSaleOfNetAssetsHeldForSale_lbl" xml:lang="en-US" id="id_7341432_1591895_1_1">Gain Loss On Sale Of Net Assets Held For Sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_GainLossOnSaleOfNetAssetsHeldForSale_lbl" xml:lang="en-US" id="id_7341432_1591895_2_1">Income / (loss) on net assets held for sale</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GainLossOnSaleOfOtherAssets" xlink:label="us-gaap_GainLossOnSaleOfOtherAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GainLossOnSaleOfOtherAssets_lbl" xml:lang="en-US" id="id_7341432_1284552_1_1">Gain (Loss) on Disposition of Other Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GainLossOnSaleOfOtherAssets_lbl" xml:lang="en-US" id="id_7341432_1284552_2_1">Gain on sale of assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_GainLossOnSaleOfOtherAssets_lbl" xml:lang="en-US" id="id_7341432_1284552_12_1">Gain on sale of investments</label>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_GainLossOnSaleOfProductLine" xlink:label="act_GainLossOnSaleOfProductLine"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_GainLossOnSaleOfProductLine_lbl" xml:lang="en-US" id="id_7341432_1532678_3_1">Gain Loss On Sale Of Product Line</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_GainLossOnSaleOfProductLine_lbl" xml:lang="en-US" id="id_7341432_1532678_1_1">Gain Loss On Sale Of Product Line</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_GainLossOnSaleOfProductLine_lbl" xml:lang="en-US" id="id_7341432_1532678_2_1">Gain on sale of products</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_GainLossOnSaleOfProductLine" xlink:to="act_GainLossOnSaleOfProductLine_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_GainLossOnSaleOfSecuritiesAndAssets" xlink:label="act_GainLossOnSaleOfSecuritiesAndAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_GainLossOnSaleOfSecuritiesAndAssets_lbl" xml:lang="en-US" id="id_7341432_1613378_3_1">Gain loss on sale of securities and assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_GainLossOnSaleOfSecuritiesAndAssets_lbl" xml:lang="en-US" id="id_7341432_1613378_1_1">Gain Loss On Sale Of Securities And Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="act_GainLossOnSaleOfSecuritiesAndAssets_lbl" xml:lang="en-US" id="id_7341432_1613378_14_1">Loss / (gain) on sale of securities and assets, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_GainLossOnSaleOfSecuritiesAndAssets" xlink:to="act_GainLossOnSaleOfSecuritiesAndAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges" xlink:label="us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges_lbl" xml:lang="en-US" id="id_7341432_1282349_1_1">Gain (Loss) on Sale of Assets and Asset Impairment Charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges_lbl" xml:lang="en-US" id="id_7341432_1282349_2_1">Contingent consideration net loss</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="us-gaap_GainLossOnSalesOfAssetsAndAssetImpairmentCharges_lbl" xml:lang="en-US" id="id_7341432_1282349_18_1">Loss / (gain) on asset sales and impairments, net</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xml:lang="en-US" id="id_7341432_1285012_1_1">Gains (Losses) on Extinguishment of Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xml:lang="en-US" id="id_7341432_1285012_32_1">Recognized gain includes write-off of unamortized premium</label>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_GastroenterologyMember" xlink:label="act_GastroenterologyMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_GastroenterologyMember_lbl" xml:lang="en-US" id="id_7341432_1592205_3_1">Gastroenterology.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_GastroenterologyMember_lbl" xml:lang="en-US" id="id_7341432_1592205_1_1">Gastroenterology [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_GastroenterologyMember_lbl" xml:lang="en-US" id="id_7341432_1592205_2_1">Gastroenterology [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_GastroenterologyMember" xlink:to="act_GastroenterologyMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="us-gaap_GeneralAndAdministrativeExpense"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GeneralAndAdministrativeExpense_lbl" xml:lang="en-US" id="id_7341432_1288487_1_1">General and Administrative Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GeneralAndAdministrativeExpense_lbl" xml:lang="en-US" id="id_7341432_1288487_2_1">General and administrative</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_GeneralAndAdministrativeExpense_lbl" xml:lang="en-US" id="id_7341432_1288487_12_1">General and administrative expenses</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GeneralAndAdministrativeExpenseMember_lbl" xml:lang="en-US" id="id_7341432_1269133_2_1">General and Administrative [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_GenericPharmaceuticalProductFamiliesMember_lbl" xml:lang="en-US" id="id_7341432_1604878_3_1">Generic pharmaceutical product families.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_GenericPharmaceuticalProductFamiliesMember_lbl" xml:lang="en-US" id="id_7341432_1604878_1_1">Generic Pharmaceutical Product Families [Member]</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_Goodwill" xlink:label="us-gaap_Goodwill"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Goodwill_lbl" xml:lang="en-US" id="id_7341432_1285421_1_1">Goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_Goodwill_lbl" xml:lang="en-US" id="id_7341432_1285421_4_1">Net Balance at December 31, 2014</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GoodwillAcquiredDuringPeriod" xlink:label="us-gaap_GoodwillAcquiredDuringPeriod"/>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:label="us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_lbl" xml:lang="en-US" id="id_7341432_1269137_1_1">Goodwill and Intangible Assets, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_lbl" xml:lang="en-US" id="id_7341432_1269137_2_1">Goodwill and Intangible Assets with Indefinite-Lives</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" xlink:to="us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_GoodwillDiscountRate" xlink:label="act_GoodwillDiscountRate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_GoodwillDiscountRate_lbl" xml:lang="en-US" id="id_7341432_1386360_3_1">Goodwill Discount Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_GoodwillDiscountRate_lbl" xml:lang="en-US" id="id_7341432_1386360_1_1">Goodwill Discount Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_GoodwillDiscountRate_lbl" xml:lang="en-US" id="id_7341432_1386360_2_1">Discount rate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_GoodwillDiscountRate" xlink:to="act_GoodwillDiscountRate_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GoodwillGross" xlink:label="us-gaap_GoodwillGross"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GoodwillGross_lbl" xml:lang="en-US" id="id_7341432_1285422_1_1">Goodwill, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GoodwillGross_lbl" xml:lang="en-US" id="id_7341432_1285422_2_1">Gross Goodwill Balance at December 31, 2013</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillGross" xlink:to="us-gaap_GoodwillGross_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_GoodwillHeldForSale" xlink:label="act_GoodwillHeldForSale"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_GoodwillHeldForSale_lbl" xml:lang="en-US" id="id_7341432_1321022_3_1">Goodwill Held For Sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_GoodwillHeldForSale_lbl" xml:lang="en-US" id="id_7341432_1321022_1_1">Goodwill Held For Sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_GoodwillHeldForSale_lbl" xml:lang="en-US" id="id_7341432_1321022_2_1">Held for sale</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_GoodwillHeldForSale" xlink:to="act_GoodwillHeldForSale_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GoodwillImpairedAccumulatedImpairmentLoss" xlink:label="us-gaap_GoodwillImpairedAccumulatedImpairmentLoss"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GoodwillImpairedAccumulatedImpairmentLoss_lbl" xml:lang="en-US" id="id_7341432_1283222_1_1">Goodwill, Impaired, Accumulated Impairment Loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_GoodwillImpairedAccumulatedImpairmentLoss_lbl" xml:lang="en-US" id="id_7341432_1283222_14_1">Accumulated Impairment losses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillImpairedAccumulatedImpairmentLoss" xlink:to="us-gaap_GoodwillImpairedAccumulatedImpairmentLoss_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GoodwillImpairmentLoss" xlink:label="us-gaap_GoodwillImpairmentLoss"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GoodwillImpairmentLoss_lbl" xml:lang="en-US" id="id_7341432_1287488_1_1">Goodwill, Impairment Loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GoodwillImpairmentLoss_lbl" xml:lang="en-US" id="id_7341432_1287488_2_1">Goodwill impairment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_GoodwillImpairmentLoss_lbl" xml:lang="en-US" id="id_7341432_1287488_12_1">Goodwill impairments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillImpairmentLoss" xlink:to="us-gaap_GoodwillImpairmentLoss_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GoodwillLineItems" xlink:label="us-gaap_GoodwillLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GoodwillLineItems_lbl" xml:lang="en-US" id="id_7341432_1274111_1_1">Goodwill [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GoodwillLineItems_lbl" xml:lang="en-US" id="id_7341432_1274111_2_1">Goodwill [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillLineItems" xlink:to="us-gaap_GoodwillLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_GoodwillMeasurementPeriodAdjustmentsAndOther" xlink:label="act_GoodwillMeasurementPeriodAdjustmentsAndOther"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_GoodwillMeasurementPeriodAdjustmentsAndOther_lbl" xml:lang="en-US" id="id_7341432_1361096_3_1">Goodwill Measurement Period Adjustments And Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_GoodwillMeasurementPeriodAdjustmentsAndOther_lbl" xml:lang="en-US" id="id_7341432_1361096_1_1">Goodwill Measurement Period Adjustments And Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_GoodwillMeasurementPeriodAdjustmentsAndOther_lbl" xml:lang="en-US" id="id_7341432_1361096_2_1">Measurement period adjustments and other</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_GoodwillMeasurementPeriodAdjustmentsAndOther" xlink:to="act_GoodwillMeasurementPeriodAdjustmentsAndOther_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GoodwillPeriodIncreaseDecrease" xlink:label="us-gaap_GoodwillPeriodIncreaseDecrease"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GoodwillPeriodIncreaseDecrease_lbl" xml:lang="en-US" id="id_7341432_1277380_1_1">Goodwill, Period Increase (Decrease)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GoodwillPeriodIncreaseDecrease_lbl" xml:lang="en-US" id="id_7341432_1277380_2_1">Adjusted goodwill</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillPeriodIncreaseDecrease" xlink:to="us-gaap_GoodwillPeriodIncreaseDecrease_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GoodwillSubsequentRecognitionOfDeferredTaxAsset" xlink:label="us-gaap_GoodwillSubsequentRecognitionOfDeferredTaxAsset"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GoodwillSubsequentRecognitionOfDeferredTaxAsset_lbl" xml:lang="en-US" id="id_7341432_1283685_1_1">Goodwill, Subsequent Recognition of Deferred Tax Asset</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GoodwillSubsequentRecognitionOfDeferredTaxAsset_lbl" xml:lang="en-US" id="id_7341432_1283685_2_1">Reduction of goodwill</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillSubsequentRecognitionOfDeferredTaxAsset" xlink:to="us-gaap_GoodwillSubsequentRecognitionOfDeferredTaxAsset_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_GoodwillTranslationAndOtherAdjustments" xlink:label="act_GoodwillTranslationAndOtherAdjustments"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_GoodwillTranslationAndOtherAdjustments_lbl" xml:lang="en-US" id="id_7341432_1415128_3_1">Amount of increase (decrease) from foreign currency translation adjustments and other adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_GoodwillTranslationAndOtherAdjustments_lbl" xml:lang="en-US" id="id_7341432_1415128_1_1">Goodwill Translation And Other Adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_GoodwillTranslationAndOtherAdjustments_lbl" xml:lang="en-US" id="id_7341432_1415128_2_1">Foreign exchange and other adjustments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_GoodwillTranslationAndOtherAdjustments" xlink:to="act_GoodwillTranslationAndOtherAdjustments_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit" xlink:label="us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit_lbl" xml:lang="en-US" id="id_7341432_1284135_1_1">Goodwill, Written off Related to Sale of Business Unit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit_lbl" xml:lang="en-US" id="id_7341432_1284135_2_1">Reduction of goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit_lbl" xml:lang="en-US" id="id_7341432_1284135_14_1">Disposals</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit" xlink:to="us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_GrossProductSalesToNetProductSalesPercentage" xlink:label="act_GrossProductSalesToNetProductSalesPercentage"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_GrossProductSalesToNetProductSalesPercentage_lbl" xml:lang="en-US" id="id_7341432_1613393_3_1">Gross Product Sales To Net Product Sales Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_GrossProductSalesToNetProductSalesPercentage_lbl" xml:lang="en-US" id="id_7341432_1613393_1_1">Gross Product Sales To Net Product Sales Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_GrossProductSalesToNetProductSalesPercentage_lbl" xml:lang="en-US" id="id_7341432_1613393_2_1">Gross-to-net Percentage</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_GrossProductSalesToNetProductSalesPercentage" xlink:to="act_GrossProductSalesToNetProductSalesPercentage_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_HauppaugeNewYorkMember" xlink:label="act_HauppaugeNewYorkMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_HauppaugeNewYorkMember_lbl" xml:lang="en-US" id="id_7341432_1604762_3_1">Hauppauge, New York [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_HauppaugeNewYorkMember_lbl" xml:lang="en-US" id="id_7341432_1604762_1_1">Hauppauge, New York [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_HauppaugeNewYorkMember_lbl" xml:lang="en-US" id="id_7341432_1604762_2_1">Hauppauge, NY [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_HauppaugeNewYorkMember" xlink:to="act_HauppaugeNewYorkMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_HeteroMember" xlink:label="act_HeteroMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_HeteroMember_lbl" xml:lang="en-US" id="id_7341432_1613319_3_1">Hetero [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_HeteroMember_lbl" xml:lang="en-US" id="id_7341432_1613319_1_1">Hetero [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_HeteroMember_lbl" xml:lang="en-US" id="id_7341432_1613319_2_1">Hetero [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_HeteroMember" xlink:to="act_HeteroMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleAssetNameDomain" xlink:label="us-gaap_ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleAssetNameDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleAssetNameDomain_lbl" xml:lang="en-US" id="id_7341432_1274136_1_1">Impaired Assets to be Disposed of by Method Other than Sale, Asset Name [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleAssetNameDomain_lbl" xml:lang="en-US" id="id_7341432_1274136_2_1">Impaired Assets to be Disposed of by Method Other than Sale, Asset Name [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleAssetNameDomain" xlink:to="us-gaap_ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleAssetNameDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleByTypeAxis" xlink:label="us-gaap_ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleByTypeAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleByTypeAxis_lbl" xml:lang="en-US" id="id_7341432_1274137_1_1">Impaired Assets to be Disposed of by Method Other than Sale by Type [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleByTypeAxis_lbl" xml:lang="en-US" id="id_7341432_1274137_2_1">Impaired Assets to be Disposed of by Method Other than Sale by Type [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleByTypeAxis" xlink:to="us-gaap_ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleByTypeAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ImpairmentChargesNet" xlink:label="act_ImpairmentChargesNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ImpairmentChargesNet_lbl" xml:lang="en-US" id="id_7341432_1546383_3_1">Impairment Charges Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ImpairmentChargesNet_lbl" xml:lang="en-US" id="id_7341432_1546383_1_1">Impairment Charges Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ImpairmentChargesNet_lbl" xml:lang="en-US" id="id_7341432_1546383_2_1">Impairment charge</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ImpairmentChargesNet" xlink:to="act_ImpairmentChargesNet_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ImpairmentOfAssets" xlink:label="act_ImpairmentOfAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ImpairmentOfAssets_lbl" xml:lang="en-US" id="id_7341432_1306064_3_1">Impairment Of Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ImpairmentOfAssets_lbl" xml:lang="en-US" id="id_7341432_1306064_1_1">Impairment Of Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ImpairmentOfAssets_lbl" xml:lang="en-US" id="id_7341432_1306064_2_1">Write-off of property, plant and equipment, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ImpairmentOfAssets" xlink:to="act_ImpairmentOfAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ImpairmentOfIntangibleAssets" xlink:label="act_ImpairmentOfIntangibleAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ImpairmentOfIntangibleAssets_lbl" xml:lang="en-US" id="id_7341432_1410019_3_1">Impairment Of Intangible Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ImpairmentOfIntangibleAssets_lbl" xml:lang="en-US" id="id_7341432_1410019_1_1">Impairment Of Intangible Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ImpairmentOfIntangibleAssets_lbl" xml:lang="en-US" id="id_7341432_1410019_2_1">Intangible assets, gross, Impairments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ImpairmentOfIntangibleAssets" xlink:to="act_ImpairmentOfIntangibleAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ImpairmentOfIntangibleAssetsFinitelived" xlink:label="us-gaap_ImpairmentOfIntangibleAssetsFinitelived"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ImpairmentOfIntangibleAssetsFinitelived_lbl" xml:lang="en-US" id="id_7341432_1288007_1_1">Impairment of Intangible Assets, Finite-lived</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ImpairmentOfIntangibleAssetsFinitelived_lbl" xml:lang="en-US" id="id_7341432_1288007_2_1">Intangibles with definite lives, Impairments</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill" xlink:label="us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_IncomeLossFromEquityInvestmentInSubsidiaries_lbl" xml:lang="en-US" id="id_7341432_1528519_3_1">Income Loss From Equity Investment In Subsidiaries</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_IncomeTaxReceivables_lbl" xml:lang="en-US" id="id_7341432_1381412_3_1">Income Tax Receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_IncomeTaxReceivables_lbl" xml:lang="en-US" id="id_7341432_1381412_1_1">Income Tax Receivables</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl" xml:lang="en-US" id="id_7341432_1288516_1_1">Increase (Decrease) in Accounts Payable and Accrued Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl" xml:lang="en-US" id="id_7341432_1288516_2_1">Increase / (decrease) in accounts payable and accrued expenses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:to="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable_lbl" xml:lang="en-US" id="id_7341432_1284543_1_1">Increase (Decrease) in Accounts Receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable_lbl" xml:lang="en-US" id="id_7341432_1284543_14_1">Decrease / (increase) in accounts receivable, net</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedTaxesPayable" xlink:label="us-gaap_IncreaseDecreaseInAccruedTaxesPayable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInAccruedTaxesPayable_lbl" xml:lang="en-US" id="id_7341432_1288025_1_1">Increase (Decrease) in Accrued Taxes Payable</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInAssetsHeldForSale_lbl" xml:lang="en-US" id="id_7341432_1281838_1_1">Increase (Decrease) in Assets Held-for-sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncreaseDecreaseInAssetsHeldForSale_lbl" xml:lang="en-US" id="id_7341432_1281838_2_1">Increase in assets held for sale</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredRevenue" xlink:label="us-gaap_IncreaseDecreaseInDeferredRevenue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInDeferredRevenue_lbl" xml:lang="en-US" id="id_7341432_1285447_1_1">Increase (Decrease) in Deferred Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncreaseDecreaseInDeferredRevenue_lbl" xml:lang="en-US" id="id_7341432_1285447_2_1">Increase / (decrease) in deferred revenue</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInIntangibleAssetsCurrent" xlink:label="us-gaap_IncreaseDecreaseInIntangibleAssetsCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInIntangibleAssetsCurrent_lbl" xml:lang="en-US" id="id_7341432_1282317_1_1">Increase (Decrease) in Intangible Assets, Current</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_IncreaseDecreaseInLiabilitiesHeldForSale_lbl" xml:lang="en-US" id="id_7341432_1530803_3_1">Increase Decrease In Liabilities Held For Sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_IncreaseDecreaseInLiabilitiesHeldForSale_lbl" xml:lang="en-US" id="id_7341432_1530803_1_1">Increase Decrease In Liabilities Held For Sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_IncreaseDecreaseInLiabilitiesHeldForSale_lbl" xml:lang="en-US" id="id_7341432_1530803_2_1">Increase in liabilities held for sale</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xml:lang="en-US" id="id_7341432_1279090_1_1">Increase (Decrease) in Operating Capital [Abstract]</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_lbl" xml:lang="en-US" id="id_7341432_1281826_1_1">Increase (Decrease) in Other Operating Assets and Liabilities, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_lbl" xml:lang="en-US" id="id_7341432_1281826_14_1">Changes in assets and liabilities (net of effects of acquisitions)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_lbl" xml:lang="en-US" id="id_7341432_1281826_18_1">Increase / (decrease) in other assets and liabilities</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_lbl" xml:lang="en-US" id="id_7341432_1282768_14_1">Decrease / (increase) in prepaid expenses and other current assets</label>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_IncreaseDecreaseInSalesReturnAllowanceRelatedToValuationOfAssetsAndLiabilitiesAcquired" xlink:label="act_IncreaseDecreaseInSalesReturnAllowanceRelatedToValuationOfAssetsAndLiabilitiesAcquired"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_IncreaseDecreaseInSalesReturnAllowanceRelatedToValuationOfAssetsAndLiabilitiesAcquired_lbl" xml:lang="en-US" id="id_7341432_1313893_3_1">Increase Decrease in Sales Return Allowance Related to Valuation of Assets and Liabilities Acquired</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_IncreaseInDeferredTaxLiabilitiesRelatingToAcquisitionOfAssets_lbl" xml:lang="en-US" id="id_7341432_1411585_3_1">Increase In Deferred Tax Liabilities Relating To Acquisition Of Assets</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_IncreaseInDeferredTaxLiabilitiesRelatingToAcquisitionOfAssets_lbl" xml:lang="en-US" id="id_7341432_1411585_2_1">Total net deferred tax liability increase due to acquisitions</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_IncreaseInDeferredTaxLiabilitiesRelatingToAcquisitionOfAssets" xlink:to="act_IncreaseInDeferredTaxLiabilitiesRelatingToAcquisitionOfAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_IncreaseInShareBasedCompensationDueToModification" xlink:label="act_IncreaseInShareBasedCompensationDueToModification"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_IncreaseInShareBasedCompensationDueToModification_lbl" xml:lang="en-US" id="id_7341432_1428789_3_1">Increase in share based compensation due to modification.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_IncreaseInShareBasedCompensationDueToModification_lbl" xml:lang="en-US" id="id_7341432_1428789_1_1">Increase In Share Based Compensation Due To Modification</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_IncreaseInShareBasedCompensationDueToModification_lbl" xml:lang="en-US" id="id_7341432_1428789_2_1">General and administrative expenses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_IncreaseInShareBasedCompensationDueToModification" xlink:to="act_IncreaseInShareBasedCompensationDueToModification_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:label="us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_lbl" xml:lang="en-US" id="id_7341432_1272489_1_1">Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_lbl" xml:lang="en-US" id="id_7341432_1272489_2_1">Dilutive stock awards</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:to="us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IndefinitelivedIntangibleAssetsAcquired" xlink:label="us-gaap_IndefinitelivedIntangibleAssetsAcquired"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IndefinitelivedIntangibleAssetsAcquired_lbl" xml:lang="en-US" id="id_7341432_1285461_1_1">Indefinite-lived Intangible Assets Acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IndefinitelivedIntangibleAssetsAcquired_lbl" xml:lang="en-US" id="id_7341432_1285461_2_1">Business combination of intangible assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IndefinitelivedIntangibleAssetsAcquired_lbl" xml:lang="en-US" id="id_7341432_1285461_12_1">Intangibles with indefinite lives, Acquisitions</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IndefinitelivedIntangibleAssetsAcquired" xlink:to="us-gaap_IndefinitelivedIntangibleAssetsAcquired_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_lbl" xml:lang="en-US" id="id_7341432_1277428_1_1">Indefinite-lived Intangible Assets [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_lbl" xml:lang="en-US" id="id_7341432_1277428_2_1">Indefinite-lived Intangible Assets [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_lbl" xml:lang="en-US" id="id_7341432_1286001_1_1">Indefinite-Lived Intangible Assets (Excluding Goodwill)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_lbl" xml:lang="en-US" id="id_7341432_1286001_4_1">Intangibles with indefinite lives, Ending balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_lbl" xml:lang="en-US" id="id_7341432_1286001_5_1">Intangibles with indefinite lives, Beginning balance</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill" xlink:to="us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_IndefiniteLivedIntangibleAssetsHeldForSale" xlink:label="act_IndefiniteLivedIntangibleAssetsHeldForSale"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_IndefiniteLivedIntangibleAssetsHeldForSale_lbl" xml:lang="en-US" id="id_7341432_1610824_3_1">Indefinite lived intangible assets held for sale.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_IndefiniteLivedIntangibleAssetsHeldForSale_lbl" xml:lang="en-US" id="id_7341432_1610824_1_1">Indefinite lived Intangible Assets Held For Sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="act_IndefiniteLivedIntangibleAssetsHeldForSale_lbl" xml:lang="en-US" id="id_7341432_1610824_14_1">Intangibles with indefinite lives, Held For Sale</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_IndefiniteLivedIntangibleAssetsHeldForSale" xlink:to="act_IndefiniteLivedIntangibleAssetsHeldForSale_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" xml:lang="en-US" id="id_7341432_1272492_1_1">Indefinite-lived Intangible Assets, Major Class Name [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" xml:lang="en-US" id="id_7341432_1272492_2_1">Indefinite-lived Intangible Assets, Major Class Name [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsPeriodIncreaseDecrease" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsPeriodIncreaseDecrease"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsPeriodIncreaseDecrease_lbl" xml:lang="en-US" id="id_7341432_1280670_1_1">Indefinite-lived Intangible Assets, Period Increase (Decrease)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsPeriodIncreaseDecrease_lbl" xml:lang="en-US" id="id_7341432_1280670_2_1">Intangibles with indefinite lives, Disposals/Other</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IndefiniteLivedIntangibleAssetsPeriodIncreaseDecrease" xlink:to="us-gaap_IndefiniteLivedIntangibleAssetsPeriodIncreaseDecrease_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsTranslationAdjustments" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsTranslationAdjustments"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsTranslationAdjustments_lbl" xml:lang="en-US" id="id_7341432_1288534_1_1">Indefinite-lived Intangible Assets, Translation Adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsTranslationAdjustments_lbl" xml:lang="en-US" id="id_7341432_1288534_2_1">Intangibles with indefinite lives, CTA</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IndefiniteLivedIntangibleAssetsTranslationAdjustments" xlink:to="us-gaap_IndefiniteLivedIntangibleAssetsTranslationAdjustments_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_IndirectPurchaserPlaintiffClassMember" xlink:label="act_IndirectPurchaserPlaintiffClassMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_IndirectPurchaserPlaintiffClassMember_lbl" xml:lang="en-US" id="id_7341432_1591912_3_1">Indirect Purchaser Plaintiff Class [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_IndirectPurchaserPlaintiffClassMember_lbl" xml:lang="en-US" id="id_7341432_1591912_1_1">Indirect Purchaser Plaintiff Class [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_IndirectPurchaserPlaintiffClassMember_lbl" xml:lang="en-US" id="id_7341432_1591912_2_1">Indirect Purchaser Plaintiff Class [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_IndirectPurchaserPlaintiffClassMember" xlink:to="act_IndirectPurchaserPlaintiffClassMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_IndirectPurchasersMember" xlink:label="act_IndirectPurchasersMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_IndirectPurchasersMember_lbl" xml:lang="en-US" id="id_7341432_1417025_3_1">Indirect Purchasers [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_IndirectPurchasersMember_lbl" xml:lang="en-US" id="id_7341432_1417025_1_1">Indirect Purchasers [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_IndirectPurchasersMember_lbl" xml:lang="en-US" id="id_7341432_1417025_2_1">Indirect Purchasers [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_IndirectPurchasersMember" xlink:to="act_IndirectPurchasersMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_InfectiousDiseaseMember" xlink:label="act_InfectiousDiseaseMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_InfectiousDiseaseMember_lbl" xml:lang="en-US" id="id_7341432_1493051_3_1">Infectious Disease [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_InfectiousDiseaseMember_lbl" xml:lang="en-US" id="id_7341432_1493051_1_1">Infectious Disease [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_InfectiousDiseaseMember_lbl" xml:lang="en-US" id="id_7341432_1493051_2_1">Infectious Disease [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_InfectiousDiseaseMember" xlink:to="act_InfectiousDiseaseMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_InProcessResearchAndDevelopmentAndOtherMember" xlink:label="act_InProcessResearchAndDevelopmentAndOtherMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_InProcessResearchAndDevelopmentAndOtherMember_lbl" xml:lang="en-US" id="id_7341432_1613228_3_1">In Process Research and Development and Other [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_InProcessResearchAndDevelopmentAndOtherMember_lbl" xml:lang="en-US" id="id_7341432_1613228_1_1">In Process Research and Development and Other [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_InProcessResearchAndDevelopmentAndOtherMember_lbl" xml:lang="en-US" id="id_7341432_1613228_2_1">IPR&amp;D And Other [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_InProcessResearchAndDevelopmentAndOtherMember" xlink:to="act_InProcessResearchAndDevelopmentAndOtherMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InProcessResearchAndDevelopmentMember" xlink:label="us-gaap_InProcessResearchAndDevelopmentMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InProcessResearchAndDevelopmentMember_lbl" xml:lang="en-US" id="id_7341432_1279083_1_1">In Process Research and Development [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InProcessResearchAndDevelopmentMember_lbl" xml:lang="en-US" id="id_7341432_1279083_2_1">IPR&amp;D [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InProcessResearchAndDevelopmentMember" xlink:to="us-gaap_InProcessResearchAndDevelopmentMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_IntangibleAssetsAcquired" xlink:label="act_IntangibleAssetsAcquired"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_IntangibleAssetsAcquired_lbl" xml:lang="en-US" id="id_7341432_1352552_3_1">Intangible Assets Acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_IntangibleAssetsAcquired_lbl" xml:lang="en-US" id="id_7341432_1352552_1_1">Intangible Assets Acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_IntangibleAssetsAcquired_lbl" xml:lang="en-US" id="id_7341432_1352552_2_1">Intangible assets, gross, Acquisitions</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_IntangibleAssetsAcquired" xlink:to="act_IntangibleAssetsAcquired_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IntangibleAssetsGrossExcludingGoodwill" xlink:label="us-gaap_IntangibleAssetsGrossExcludingGoodwill"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IntangibleAssetsGrossExcludingGoodwill_lbl" xml:lang="en-US" id="id_7341432_1286005_1_1">Intangible Assets, Gross (Excluding Goodwill)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_IntangibleAssetsGrossExcludingGoodwill_lbl" xml:lang="en-US" id="id_7341432_1286005_4_1">Intangible assets, gross, Ending balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_IntangibleAssetsGrossExcludingGoodwill_lbl" xml:lang="en-US" id="id_7341432_1286005_5_1">Intangible assets, gross, Beginning balance</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IntangibleAssetsGrossExcludingGoodwill" xlink:to="us-gaap_IntangibleAssetsGrossExcludingGoodwill_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_IntangibleAssetsHeldForSale" xlink:label="act_IntangibleAssetsHeldForSale"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_IntangibleAssetsHeldForSale_lbl" xml:lang="en-US" id="id_7341432_1610825_3_1">Intangible Assets Held For Sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_IntangibleAssetsHeldForSale_lbl" xml:lang="en-US" id="id_7341432_1610825_1_1">Intangible Assets Held For Sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="act_IntangibleAssetsHeldForSale_lbl" xml:lang="en-US" id="id_7341432_1610825_14_1">Intangible assets, gross, Held For Sale</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_IntangibleAssetsHeldForSale" xlink:to="act_IntangibleAssetsHeldForSale_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwill_lbl" xml:lang="en-US" id="id_7341432_1288540_1_1">Intangible Assets, Net (Excluding Goodwill)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwill_lbl" xml:lang="en-US" id="id_7341432_1288540_4_1">Intangible assets net, ending balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwill_lbl" xml:lang="en-US" id="id_7341432_1288540_5_1">Intangible assets net, beginning balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwill_lbl" xml:lang="en-US" id="id_7341432_1288540_2_1">Product rights and other intangibles</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:to="us-gaap_IntangibleAssetsNetExcludingGoodwill_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_IntangibleAssetsPeriodIncreaseDecreaseDisposalsAndOther" xlink:label="act_IntangibleAssetsPeriodIncreaseDecreaseDisposalsAndOther"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_IntangibleAssetsPeriodIncreaseDecreaseDisposalsAndOther_lbl" xml:lang="en-US" id="id_7341432_1598202_3_1">Intangible Assets Period Increase Decrease Disposals and Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_IntangibleAssetsPeriodIncreaseDecreaseDisposalsAndOther_lbl" xml:lang="en-US" id="id_7341432_1598202_1_1">Intangible Assets Period Increase Decrease Disposals and Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_IntangibleAssetsPeriodIncreaseDecreaseDisposalsAndOther_lbl" xml:lang="en-US" id="id_7341432_1598202_2_1">Intangible assets gross, Disposals/Other</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_IntangibleAssetsPeriodIncreaseDecreaseDisposalsAndOther" xlink:to="act_IntangibleAssetsPeriodIncreaseDecreaseDisposalsAndOther_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_IntangibleAssetsTranslationAdjustments" xlink:label="act_IntangibleAssetsTranslationAdjustments"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_IntangibleAssetsTranslationAdjustments_lbl" xml:lang="en-US" id="id_7341432_1560544_3_1">Intangible Assets Translation Adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_IntangibleAssetsTranslationAdjustments_lbl" xml:lang="en-US" id="id_7341432_1560544_1_1">Intangible Assets Translation Adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_IntangibleAssetsTranslationAdjustments_lbl" xml:lang="en-US" id="id_7341432_1560544_2_1">Intangible assets, gross, CTA</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_IntangibleAssetsTranslationAdjustments" xlink:to="act_IntangibleAssetsTranslationAdjustments_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestExpense" xlink:label="us-gaap_InterestExpense"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestExpense_lbl" xml:lang="en-US" id="id_7341432_1285466_1_1">Interest Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_InterestExpense_lbl" xml:lang="en-US" id="id_7341432_1285466_14_1">Interest expense</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestExpense" xlink:to="us-gaap_InterestExpense_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestIncomeExpenseNet" xlink:label="us-gaap_InterestIncomeExpenseNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestIncomeExpenseNet_lbl" xml:lang="en-US" id="id_7341432_1281809_1_1">Interest Income (Expense), Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InterestIncomeExpenseNet_lbl" xml:lang="en-US" id="id_7341432_1281809_2_1">Interest income / (Expense), net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestIncomeExpenseNet" xlink:to="us-gaap_InterestIncomeExpenseNet_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestPaid" xlink:label="us-gaap_InterestPaid"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestPaid_lbl" xml:lang="en-US" id="id_7341432_1284523_1_1">Interest Paid</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InterestPaid_lbl" xml:lang="en-US" id="id_7341432_1284523_2_1">Interest</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestPaid" xlink:to="us-gaap_InterestPaid_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestPayableCurrent" xlink:label="us-gaap_InterestPayableCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestPayableCurrent_lbl" xml:lang="en-US" id="id_7341432_1282754_1_1">Interest Payable, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InterestPayableCurrent_lbl" xml:lang="en-US" id="id_7341432_1282754_2_1">Interest payable</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestPayableCurrent" xlink:to="us-gaap_InterestPayableCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestPortionOfMinimumLeasePaymentsSaleLeasebackTransactions" xlink:label="us-gaap_InterestPortionOfMinimumLeasePaymentsSaleLeasebackTransactions"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestPortionOfMinimumLeasePaymentsSaleLeasebackTransactions_lbl" xml:lang="en-US" id="id_7341432_1289058_1_1">Interest Portion of Minimum Lease Payments, Sale Leaseback Transactions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InterestPortionOfMinimumLeasePaymentsSaleLeasebackTransactions_lbl" xml:lang="en-US" id="id_7341432_1289058_2_1">Less: amount representing interest</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestPortionOfMinimumLeasePaymentsSaleLeasebackTransactions" xlink:to="us-gaap_InterestPortionOfMinimumLeasePaymentsSaleLeasebackTransactions_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterimPeriodCostsNotAllocableDomain" xlink:label="us-gaap_InterimPeriodCostsNotAllocableDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterimPeriodCostsNotAllocableDomain_lbl" xml:lang="en-US" id="id_7341432_1272514_1_1">Interim Period, Costs Not Allocable [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InterimPeriodCostsNotAllocableDomain_lbl" xml:lang="en-US" id="id_7341432_1272514_2_1">Interim Period, Costs Not Allocable [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterimPeriodCostsNotAllocableDomain" xlink:to="us-gaap_InterimPeriodCostsNotAllocableDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InternalRevenueServiceIRSMember" xlink:label="us-gaap_InternalRevenueServiceIRSMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InternalRevenueServiceIRSMember_lbl" xml:lang="en-US" id="id_7341432_1280693_1_1">Internal Revenue Service (IRS) [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InternalRevenueServiceIRSMember_lbl" xml:lang="en-US" id="id_7341432_1280693_2_1">U.S. Federal Income Tax Authority [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InternalRevenueServiceIRSMember" xlink:to="us-gaap_InternalRevenueServiceIRSMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_InternationalRevenueMember" xlink:label="act_InternationalRevenueMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_InternationalRevenueMember_lbl" xml:lang="en-US" id="id_7341432_1326258_3_1">International Revenue [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_InternationalRevenueMember_lbl" xml:lang="en-US" id="id_7341432_1326258_1_1">International Revenue [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_InternationalRevenueMember_lbl" xml:lang="en-US" id="id_7341432_1326258_2_1">International [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_InternationalRevenueMember" xlink:to="act_InternationalRevenueMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InventoriesPropertyHeldForSaleCurrent" xlink:label="us-gaap_InventoriesPropertyHeldForSaleCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InventoriesPropertyHeldForSaleCurrent_lbl" xml:lang="en-US" id="id_7341432_1288555_1_1">Disposal Group, Including Discontinued Operation, Inventory, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InventoriesPropertyHeldForSaleCurrent_lbl" xml:lang="en-US" id="id_7341432_1288555_2_1">Inventories, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoriesPropertyHeldForSaleCurrent" xlink:to="us-gaap_InventoriesPropertyHeldForSaleCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InventoryCurrentTable" xlink:label="us-gaap_InventoryCurrentTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InventoryCurrentTable_lbl" xml:lang="en-US" id="id_7341432_1272540_1_1">Inventory, Current [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InventoryCurrentTable_lbl" xml:lang="en-US" id="id_7341432_1272540_2_1">Inventory, Current [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryCurrentTable" xlink:to="us-gaap_InventoryCurrentTable_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InventoryDisclosureAbstract" xlink:label="us-gaap_InventoryDisclosureAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InventoryDisclosureAbstract_lbl" xml:lang="en-US" id="id_7341432_1270865_1_1">Inventory Disclosure [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InventoryDisclosureAbstract_lbl" xml:lang="en-US" id="id_7341432_1270865_2_1">Inventory Disclosure [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryDisclosureAbstract" xlink:to="us-gaap_InventoryDisclosureAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InventoryDisclosureTextBlock" xlink:label="us-gaap_InventoryDisclosureTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InventoryDisclosureTextBlock_lbl" xml:lang="en-US" id="id_7341432_1272541_1_1">Inventory Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InventoryDisclosureTextBlock_lbl" xml:lang="en-US" id="id_7341432_1272541_2_1">Inventories</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryDisclosureTextBlock" xlink:to="us-gaap_InventoryDisclosureTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InventoryFinishedGoods" xlink:label="us-gaap_InventoryFinishedGoods"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InventoryFinishedGoods_lbl" xml:lang="en-US" id="id_7341432_1286523_1_1">Inventory, Finished Goods, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InventoryFinishedGoods_lbl" xml:lang="en-US" id="id_7341432_1286523_2_1">Finished goods</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_InventoryFinishedGoods_lbl" xml:lang="en-US" id="id_7341432_1286523_12_1">Inventory, finished goods</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryFinishedGoods" xlink:to="us-gaap_InventoryFinishedGoods_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InventoryGross" xlink:label="us-gaap_InventoryGross"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InventoryGross_lbl" xml:lang="en-US" id="id_7341432_1288054_1_1">Inventory, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_InventoryGross_lbl" xml:lang="en-US" id="id_7341432_1288054_6_1">Inventories, gross</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryGross" xlink:to="us-gaap_InventoryGross_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InventoryLineItems" xlink:label="us-gaap_InventoryLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InventoryLineItems_lbl" xml:lang="en-US" id="id_7341432_1274198_1_1">Inventory [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InventoryLineItems_lbl" xml:lang="en-US" id="id_7341432_1274198_2_1">Inventory [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryLineItems" xlink:to="us-gaap_InventoryLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InventoryNet" xlink:label="us-gaap_InventoryNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InventoryNet_lbl" xml:lang="en-US" id="id_7341432_1288055_1_1">Inventory, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InventoryNet_lbl" xml:lang="en-US" id="id_7341432_1288055_2_1">Inventories</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_InventoryNet_lbl" xml:lang="en-US" id="id_7341432_1288055_6_1">Inventories</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryNet" xlink:to="us-gaap_InventoryNet_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InventoryPolicyTextBlock" xlink:label="us-gaap_InventoryPolicyTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InventoryPolicyTextBlock_lbl" xml:lang="en-US" id="id_7341432_1269208_1_1">Inventory, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InventoryPolicyTextBlock_lbl" xml:lang="en-US" id="id_7341432_1269208_2_1">Inventories</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryPolicyTextBlock" xlink:to="us-gaap_InventoryPolicyTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InventoryRawMaterials" xlink:label="us-gaap_InventoryRawMaterials"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InventoryRawMaterials_lbl" xml:lang="en-US" id="id_7341432_1285481_1_1">Inventory, Raw Materials, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InventoryRawMaterials_lbl" xml:lang="en-US" id="id_7341432_1285481_2_1">Raw materials</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryRawMaterials" xlink:to="us-gaap_InventoryRawMaterials_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InventoryValuationReserves" xlink:label="us-gaap_InventoryValuationReserves"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InventoryValuationReserves_lbl" xml:lang="en-US" id="id_7341432_1281803_1_1">Inventory Valuation Reserves</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InventoryValuationReserves_lbl" xml:lang="en-US" id="id_7341432_1281803_2_1">Less: inventory reserves</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryValuationReserves" xlink:to="us-gaap_InventoryValuationReserves_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InventoryWorkInProcess" xlink:label="us-gaap_InventoryWorkInProcess"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InventoryWorkInProcess_lbl" xml:lang="en-US" id="id_7341432_1288558_1_1">Inventory, Work in Process, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InventoryWorkInProcess_lbl" xml:lang="en-US" id="id_7341432_1288558_2_1">Work-in-process</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryWorkInProcess" xlink:to="us-gaap_InventoryWorkInProcess_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InventoryWriteDown" xlink:label="us-gaap_InventoryWriteDown"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InventoryWriteDown_lbl" xml:lang="en-US" id="id_7341432_1287545_1_1">Inventory Write-down</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InventoryWriteDown_lbl" xml:lang="en-US" id="id_7341432_1287545_2_1">Provision for inventory reserve</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryWriteDown" xlink:to="us-gaap_InventoryWriteDown_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_InvestmentFundsMember" xlink:label="act_InvestmentFundsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_InvestmentFundsMember_lbl" xml:lang="en-US" id="id_7341432_1538641_3_1">Investment funds [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_InvestmentFundsMember_lbl" xml:lang="en-US" id="id_7341432_1538641_1_1">Investment Funds [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_InvestmentFundsMember_lbl" xml:lang="en-US" id="id_7341432_1538641_2_1">Investment Funds [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_InvestmentFundsMember" xlink:to="act_InvestmentFundsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="us-gaap_InvestmentIncomeInterest"/>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InvestmentPolicyTextBlock" xlink:label="us-gaap_InvestmentPolicyTextBlock"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InvestmentPolicyTextBlock_lbl" xml:lang="en-US" id="id_7341432_1270874_2_1">Investments</label>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_InvestmentsAndOtherAssetAbstract" xlink:label="act_InvestmentsAndOtherAssetAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_InvestmentsAndOtherAssetAbstract_lbl" xml:lang="en-US" id="id_7341432_1513201_3_1">Investments And Other Asset [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_InvestmentsAndOtherAssetAbstract_lbl" xml:lang="en-US" id="id_7341432_1513201_1_1">Investments And Other Asset [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_InvestmentsAndOtherAssetAbstract_lbl" xml:lang="en-US" id="id_7341432_1513201_2_1">Investments and other assets:</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InvestmentsAndOtherNoncurrentAssets" xlink:label="us-gaap_InvestmentsAndOtherNoncurrentAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentsAndOtherNoncurrentAssets_lbl" xml:lang="en-US" id="id_7341432_1289082_1_1">Investments and Other Noncurrent Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InvestmentsAndOtherNoncurrentAssets_lbl" xml:lang="en-US" id="id_7341432_1289082_2_1">Investments and other assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_InvestmentsAndOtherNoncurrentAssets_lbl" xml:lang="en-US" id="id_7341432_1289082_6_1">Total investments and other assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentsAndOtherNoncurrentAssets" xlink:to="us-gaap_InvestmentsAndOtherNoncurrentAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:label="us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_lbl" xml:lang="en-US" id="id_7341432_1288060_1_1">Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_lbl" xml:lang="en-US" id="id_7341432_1288060_2_1">Investment in subsidiaries</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:to="us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_IrishAndBermudaMember" xlink:label="act_IrishAndBermudaMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_IrishAndBermudaMember_lbl" xml:lang="en-US" id="id_7341432_1613809_3_1">Irish And Bermuda [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_IrishAndBermudaMember_lbl" xml:lang="en-US" id="id_7341432_1613809_1_1">Irish And Bermuda [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_IrishAndBermudaMember_lbl" xml:lang="en-US" id="id_7341432_1613809_2_1">Irish And Bermuda [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_IrishAndBermudaMember" xlink:to="act_IrishAndBermudaMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_IronwoodCollaborationAgreementMember" xlink:label="act_IronwoodCollaborationAgreementMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_IronwoodCollaborationAgreementMember_lbl" xml:lang="en-US" id="id_7341432_1610690_3_1">Ironwood Collaboration Agreement [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_IronwoodCollaborationAgreementMember_lbl" xml:lang="en-US" id="id_7341432_1610690_1_1">Ironwood Collaboration Agreement [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_IronwoodCollaborationAgreementMember_lbl" xml:lang="en-US" id="id_7341432_1610690_2_1">Ironwood Collaboration Agreement [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_IronwoodCollaborationAgreementMember" xlink:to="act_IronwoodCollaborationAgreementMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LaborAndRelatedExpense" xlink:label="us-gaap_LaborAndRelatedExpense"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LaborAndRelatedExpense_lbl" xml:lang="en-US" id="id_7341432_1286028_1_1">Labor and Related Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_LaborAndRelatedExpense_lbl" xml:lang="en-US" id="id_7341432_1286028_6_1">Total compensation charges</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LaborAndRelatedExpense" xlink:to="us-gaap_LaborAndRelatedExpense_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LandAndLandImprovementsMember" xlink:label="us-gaap_LandAndLandImprovementsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LandAndLandImprovementsMember_lbl" xml:lang="en-US" id="id_7341432_1274217_1_1">Land and Land Improvements [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LandAndLandImprovementsMember_lbl" xml:lang="en-US" id="id_7341432_1274217_2_1">Land and Land Improvements [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LandAndLandImprovementsMember" xlink:to="us-gaap_LandAndLandImprovementsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_LandBuildingsAndLeaseholdImprovementsMember" xlink:label="act_LandBuildingsAndLeaseholdImprovementsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_LandBuildingsAndLeaseholdImprovementsMember_lbl" xml:lang="en-US" id="id_7341432_1604994_3_1">Land Buildings and Leasehold Improvements [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_LandBuildingsAndLeaseholdImprovementsMember_lbl" xml:lang="en-US" id="id_7341432_1604994_1_1">Land Buildings and Leasehold Improvements [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_LandBuildingsAndLeaseholdImprovementsMember_lbl" xml:lang="en-US" id="id_7341432_1604994_2_1">Land, Buildings and Leasehold Improvements [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_LandBuildingsAndLeaseholdImprovementsMember" xlink:to="act_LandBuildingsAndLeaseholdImprovementsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_LegalEntityAxis_lbl" xml:lang="en-US" id="id_7341432_1281318_1_1">Legal Entity [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_LegalEntityAxis_lbl" xml:lang="en-US" id="id_7341432_1281318_2_1">Legal Entity [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_LegalEntityAxis" xlink:to="dei_LegalEntityAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LettersOfCreditOutstandingAmount" xlink:label="us-gaap_LettersOfCreditOutstandingAmount"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LettersOfCreditOutstandingAmount_lbl" xml:lang="en-US" id="id_7341432_1282750_1_1">Letters of Credit Outstanding, Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LettersOfCreditOutstandingAmount_lbl" xml:lang="en-US" id="id_7341432_1282750_2_1">Letter of credit outstanding</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LettersOfCreditOutstandingAmount" xlink:to="us-gaap_LettersOfCreditOutstandingAmount_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_Liabilities" xlink:label="us-gaap_Liabilities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Liabilities_lbl" xml:lang="en-US" id="id_7341432_1284515_1_1">Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_Liabilities_lbl" xml:lang="en-US" id="id_7341432_1284515_2_1">Total liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_Liabilities_lbl" xml:lang="en-US" id="id_7341432_1284515_6_1">Total liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Liabilities" xlink:to="us-gaap_Liabilities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LiabilitiesAbstract" xlink:label="us-gaap_LiabilitiesAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesAbstract_lbl" xml:lang="en-US" id="id_7341432_1272558_1_1">Liabilities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LiabilitiesAbstract_lbl" xml:lang="en-US" id="id_7341432_1272558_2_1">Liabilities:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAbstract" xlink:to="us-gaap_LiabilitiesAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xml:lang="en-US" id="id_7341432_1283630_1_1">Liabilities and Equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xml:lang="en-US" id="id_7341432_1283630_2_1">Total liabilities and equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xml:lang="en-US" id="id_7341432_1283630_6_1">Total liabilities and equity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_LiabilitiesAndStockholdersEquity_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xml:lang="en-US" id="id_7341432_1275871_1_1">Liabilities and Equity [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xml:lang="en-US" id="id_7341432_1275871_2_1">LIABILITIES AND EQUITY</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="us-gaap_LiabilitiesCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xml:lang="en-US" id="id_7341432_1282281_1_1">Liabilities, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xml:lang="en-US" id="id_7341432_1282281_2_1">Total current liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xml:lang="en-US" id="id_7341432_1282281_6_1">Total current liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesCurrent" xlink:to="us-gaap_LiabilitiesCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="us-gaap_LiabilitiesCurrentAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xml:lang="en-US" id="id_7341432_1272565_1_1">Liabilities, Current [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xml:lang="en-US" id="id_7341432_1272565_2_1">Current liabilities:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesCurrentAbstract" xlink:to="us-gaap_LiabilitiesCurrentAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosure" xlink:label="us-gaap_LiabilitiesFairValueDisclosure"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesFairValueDisclosure_lbl" xml:lang="en-US" id="id_7341432_1284516_1_1">Financial and Nonfinancial Liabilities, Fair Value Disclosure</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LiabilitiesFairValueDisclosure_lbl" xml:lang="en-US" id="id_7341432_1284516_2_1">Total liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesFairValueDisclosure" xlink:to="us-gaap_LiabilitiesFairValueDisclosure_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_LiabilitiesOfAssetsHeldForSaleAccountsPayableAndAccruedLiabilities" xlink:label="act_LiabilitiesOfAssetsHeldForSaleAccountsPayableAndAccruedLiabilities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_LiabilitiesOfAssetsHeldForSaleAccountsPayableAndAccruedLiabilities_lbl" xml:lang="en-US" id="id_7341432_1512519_3_1">Liabilities Of Assets Held For Sale Accounts Payable And Accrued Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_LiabilitiesOfAssetsHeldForSaleAccountsPayableAndAccruedLiabilities_lbl" xml:lang="en-US" id="id_7341432_1512519_1_1">Liabilities Of Assets Held For Sale Accounts Payable And Accrued Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_LiabilitiesOfAssetsHeldForSaleAccountsPayableAndAccruedLiabilities_lbl" xml:lang="en-US" id="id_7341432_1512519_2_1">Accounts payable and accrued expenses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_LiabilitiesOfAssetsHeldForSaleAccountsPayableAndAccruedLiabilities" xlink:to="act_LiabilitiesOfAssetsHeldForSaleAccountsPayableAndAccruedLiabilities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation" xlink:label="us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_lbl" xml:lang="en-US" id="id_7341432_1284072_1_1">Disposal Group, Including Discontinued Operation, Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_lbl" xml:lang="en-US" id="id_7341432_1284072_2_1">Current liabilities held for sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_lbl" xml:lang="en-US" id="id_7341432_1284072_12_1">Total liabilities held for sale</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation" xlink:to="us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_LicenseAgreementMember" xlink:label="act_LicenseAgreementMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_LicenseAgreementMember_lbl" xml:lang="en-US" id="id_7341432_1557983_3_1">License Agreement [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_LicenseAgreementMember_lbl" xml:lang="en-US" id="id_7341432_1557983_1_1">License Agreement [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_LicenseAgreementMember_lbl" xml:lang="en-US" id="id_7341432_1557983_2_1">License Agreement [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_LicenseAgreementMember" xlink:to="act_LicenseAgreementMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_LidodermMember" xlink:label="act_LidodermMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_LidodermMember_lbl" xml:lang="en-US" id="id_7341432_1388457_3_1">Lidoderm [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_LidodermMember_lbl" xml:lang="en-US" id="id_7341432_1388457_1_1">Lidoderm [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_LidodermMember_lbl" xml:lang="en-US" id="id_7341432_1388457_2_1">Lidoderm [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_LidodermMember" xlink:to="act_LidodermMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_LincolntonMember" xlink:label="act_LincolntonMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_LincolntonMember_lbl" xml:lang="en-US" id="id_7341432_1553066_3_1">Lincolnton [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_LincolntonMember_lbl" xml:lang="en-US" id="id_7341432_1553066_1_1">Lincolnton [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_LincolntonMember_lbl" xml:lang="en-US" id="id_7341432_1553066_2_1">Lincolnton [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_LincolntonMember" xlink:to="act_LincolntonMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LineOfCredit" xlink:label="us-gaap_LineOfCredit"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCredit_lbl" xml:lang="en-US" id="id_7341432_1284503_1_1">Long-term Line of Credit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="us-gaap_LineOfCredit_lbl" xml:lang="en-US" id="id_7341432_1284503_32_1">Loans outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveTerseLabel" xlink:label="us-gaap_LineOfCredit_lbl" xml:lang="en-US" id="id_7341432_1284503_33_1">Revolving Credit Facility</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LineOfCredit_lbl" xml:lang="en-US" id="id_7341432_1284503_2_1">Aggregate principal amount outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_LineOfCredit_lbl" xml:lang="en-US" id="id_7341432_1284503_12_1">Borrowings outstanding</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCredit" xlink:to="us-gaap_LineOfCredit_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LineOfCreditFacilityCommitmentFeePercentage" xlink:label="us-gaap_LineOfCreditFacilityCommitmentFeePercentage"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityCommitmentFeePercentage_lbl" xml:lang="en-US" id="id_7341432_1270908_1_1">Line of Credit Facility, Commitment Fee Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LineOfCreditFacilityCommitmentFeePercentage_lbl" xml:lang="en-US" id="id_7341432_1270908_2_1">Commitment fees on aggregate credit facility</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityCommitmentFeePercentage" xlink:to="us-gaap_LineOfCreditFacilityCommitmentFeePercentage_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LineOfCreditFacilityFrequencyOfPaymentAndPaymentTerms" xlink:label="us-gaap_LineOfCreditFacilityFrequencyOfPaymentAndPaymentTerms"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityFrequencyOfPaymentAndPaymentTerms_lbl" xml:lang="en-US" id="id_7341432_1279166_1_1">Line of Credit Facility, Frequency of Payment and Payment Terms</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LineOfCreditFacilityFrequencyOfPaymentAndPaymentTerms_lbl" xml:lang="en-US" id="id_7341432_1279166_2_1">Term loan credit agreement payment terms</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityFrequencyOfPaymentAndPaymentTerms" xlink:to="us-gaap_LineOfCreditFacilityFrequencyOfPaymentAndPaymentTerms_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LineOfCreditFacilityInterestRateDescription" xlink:label="us-gaap_LineOfCreditFacilityInterestRateDescription"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityInterestRateDescription_lbl" xml:lang="en-US" id="id_7341432_1279167_1_1">Line of Credit Facility, Interest Rate Description</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LineOfCreditFacilityInterestRateDescription_lbl" xml:lang="en-US" id="id_7341432_1279167_2_1">Line of credit facility interest rate description</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityInterestRateDescription" xlink:to="us-gaap_LineOfCreditFacilityInterestRateDescription_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xml:lang="en-US" id="id_7341432_1284501_1_1">Line of Credit Facility, Maximum Borrowing Capacity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xml:lang="en-US" id="id_7341432_1284501_2_1">Maximum borrowing capacity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:to="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:label="us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_lbl" xml:lang="en-US" id="id_7341432_1272588_1_1">Line of Credit Facility, Unused Capacity, Commitment Fee Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_lbl" xml:lang="en-US" id="id_7341432_1272588_2_1">Commitment fee to maintain availability of funds</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:to="us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_LinzessAndCostellaMember" xlink:label="act_LinzessAndCostellaMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_LinzessAndCostellaMember_lbl" xml:lang="en-US" id="id_7341432_1592202_3_1">Linzess and Costella [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_LinzessAndCostellaMember_lbl" xml:lang="en-US" id="id_7341432_1592202_1_1">Linzess and Costella [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_LinzessAndCostellaMember_lbl" xml:lang="en-US" id="id_7341432_1592202_2_1">Linzess/Costella [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_LinzessAndCostellaMember" xlink:to="act_LinzessAndCostellaMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_LinzessMember" xlink:label="act_LinzessMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_LinzessMember_lbl" xml:lang="en-US" id="id_7341432_1596188_3_1">Linzess.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_LinzessMember_lbl" xml:lang="en-US" id="id_7341432_1596188_1_1">Linzess [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_LinzessMember_lbl" xml:lang="en-US" id="id_7341432_1596188_2_1">Linzess [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_LinzessMember" xlink:to="act_LinzessMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LitigationCaseAxis" xlink:label="us-gaap_LitigationCaseAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LitigationCaseAxis_lbl" xml:lang="en-US" id="id_7341432_1270915_1_1">Litigation Case [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LitigationCaseAxis_lbl" xml:lang="en-US" id="id_7341432_1270915_2_1">Litigation Case [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LitigationCaseAxis" xlink:to="us-gaap_LitigationCaseAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LitigationCaseTypeDomain" xlink:label="us-gaap_LitigationCaseTypeDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LitigationCaseTypeDomain_lbl" xml:lang="en-US" id="id_7341432_1275903_1_1">Litigation Case [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LitigationCaseTypeDomain_lbl" xml:lang="en-US" id="id_7341432_1275903_2_1">Litigation Case [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LitigationCaseTypeDomain" xlink:to="us-gaap_LitigationCaseTypeDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_LitigationRelatedReserves" xlink:label="act_LitigationRelatedReserves"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_LitigationRelatedReserves_lbl" xml:lang="en-US" id="id_7341432_1492379_3_1">Litigation Related Reserves</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_LitigationRelatedReserves_lbl" xml:lang="en-US" id="id_7341432_1492379_1_1">Litigation Related Reserves</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_LitigationRelatedReserves_lbl" xml:lang="en-US" id="id_7341432_1492379_2_1">Litigation-related reserves</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_LitigationRelatedReserves" xlink:to="act_LitigationRelatedReserves_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LitigationReserveCurrent" xlink:label="us-gaap_LitigationReserveCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LitigationReserveCurrent_lbl" xml:lang="en-US" id="id_7341432_1283618_1_1">Estimated Litigation Liability, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LitigationReserveCurrent_lbl" xml:lang="en-US" id="id_7341432_1283618_2_1">Litigation-related reserves and legal fees</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LitigationReserveCurrent" xlink:to="us-gaap_LitigationReserveCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LitigationSettlementAmount" xlink:label="us-gaap_LitigationSettlementAmount"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LitigationSettlementAmount_lbl" xml:lang="en-US" id="id_7341432_1282731_1_1">Litigation Settlement, Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LitigationSettlementAmount_lbl" xml:lang="en-US" id="id_7341432_1282731_2_1">Agreement in principle to settle claims, amount</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LitigationSettlementAmount" xlink:to="us-gaap_LitigationSettlementAmount_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LitigationStatusAxis" xlink:label="us-gaap_LitigationStatusAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LitigationStatusAxis_lbl" xml:lang="en-US" id="id_7341432_1279172_1_1">Litigation Status [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LitigationStatusAxis_lbl" xml:lang="en-US" id="id_7341432_1279172_2_1">Litigation Status [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LitigationStatusAxis" xlink:to="us-gaap_LitigationStatusAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LitigationStatusDomain" xlink:label="us-gaap_LitigationStatusDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LitigationStatusDomain_lbl" xml:lang="en-US" id="id_7341432_1277526_1_1">Litigation Status [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LitigationStatusDomain_lbl" xml:lang="en-US" id="id_7341432_1277526_2_1">Litigation Status [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LitigationStatusDomain" xlink:to="us-gaap_LitigationStatusDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_LoestrinTwentyFourFeMember" xlink:label="act_LoestrinTwentyFourFeMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_LoestrinTwentyFourFeMember_lbl" xml:lang="en-US" id="id_7341432_1380086_3_1">Loestrin Twenty Four Fe [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_LoestrinTwentyFourFeMember_lbl" xml:lang="en-US" id="id_7341432_1380086_1_1">Loestrin Twenty Four Fe [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_LoestrinTwentyFourFeMember_lbl" xml:lang="en-US" id="id_7341432_1380086_2_1">Loestrin 24 Fe [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_LoestrinTwentyFourFeMember" xlink:to="act_LoestrinTwentyFourFeMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_LoestrinTwentyFourMember" xlink:label="act_LoestrinTwentyFourMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_LoestrinTwentyFourMember_lbl" xml:lang="en-US" id="id_7341432_1544323_3_1">Loestrin Twenty Four [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_LoestrinTwentyFourMember_lbl" xml:lang="en-US" id="id_7341432_1544323_1_1">Loestrin Twenty Four [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_LoestrinTwentyFourMember_lbl" xml:lang="en-US" id="id_7341432_1544323_2_1">Loestrin 24 [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_LoestrinTwentyFourMember" xlink:to="act_LoestrinTwentyFourMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_LoLoestrinFeMember" xlink:label="act_LoLoestrinFeMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_LoLoestrinFeMember_lbl" xml:lang="en-US" id="id_7341432_1591947_3_1">Lo Loestrin Fe [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_LoLoestrinFeMember_lbl" xml:lang="en-US" id="id_7341432_1591947_1_1">Lo Loestrin Fe [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_LoLoestrinFeMember_lbl" xml:lang="en-US" id="id_7341432_1591947_2_1">Lo Loestrin Fe [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_LoLoestrinFeMember" xlink:to="act_LoLoestrinFeMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_LongLivedAssetsHeldForSaleGainLoss" xlink:label="act_LongLivedAssetsHeldForSaleGainLoss"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_LongLivedAssetsHeldForSaleGainLoss_lbl" xml:lang="en-US" id="id_7341432_1346028_3_1">The difference between the estimated proceeds to be received and carrying value of long lived assets held for sale.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_LongLivedAssetsHeldForSaleGainLoss_lbl" xml:lang="en-US" id="id_7341432_1346028_1_1">Long Lived Assets Held For Sale Gain Loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="act_LongLivedAssetsHeldForSaleGainLoss_lbl" xml:lang="en-US" id="id_7341432_1346028_14_1">Loss on asset held for sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="act_LongLivedAssetsHeldForSaleGainLoss_lbl" xml:lang="en-US" id="id_7341432_1346028_18_1">Loss on assets held for sale</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_LongLivedAssetsHeldForSaleGainLoss" xlink:to="act_LongLivedAssetsHeldForSaleGainLoss_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongLivedAssetsHeldForSaleLineItems" xlink:label="us-gaap_LongLivedAssetsHeldForSaleLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongLivedAssetsHeldForSaleLineItems_lbl" xml:lang="en-US" id="id_7341432_1277541_1_1">Long Lived Assets Held-for-sale [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LongLivedAssetsHeldForSaleLineItems_lbl" xml:lang="en-US" id="id_7341432_1277541_2_1">Long Lived Assets Held-for-sale [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongLivedAssetsHeldForSaleLineItems" xlink:to="us-gaap_LongLivedAssetsHeldForSaleLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_LongtermContractualObligations" xlink:label="act_LongtermContractualObligations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_LongtermContractualObligations_lbl" xml:lang="en-US" id="id_7341432_1613644_3_1">Long-term contractual obligations.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_LongtermContractualObligations_lbl" xml:lang="en-US" id="id_7341432_1613644_1_1">Long-term contractual obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_LongtermContractualObligations_lbl" xml:lang="en-US" id="id_7341432_1613644_2_1">Long-term contractual obligations</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_LongtermContractualObligations" xlink:to="act_LongtermContractualObligations_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebt" xlink:label="us-gaap_LongTermDebt"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebt_lbl" xml:lang="en-US" id="id_7341432_1284933_1_1">Long-term Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="us-gaap_LongTermDebt_lbl" xml:lang="en-US" id="id_7341432_1284933_32_1">Total debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LongTermDebt_lbl" xml:lang="en-US" id="id_7341432_1284933_2_1">Aggregate principal amount outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_LongTermDebt_lbl" xml:lang="en-US" id="id_7341432_1284933_12_1">Outstanding indebtedness</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebt" xlink:to="us-gaap_LongTermDebt_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligations_lbl" xml:lang="en-US" id="id_7341432_1282727_1_1">Long-term Debt and Capital Lease Obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligations_lbl" xml:lang="en-US" id="id_7341432_1282727_2_1">Long-term debt and capital leases</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligations_lbl" xml:lang="en-US" id="id_7341432_1282727_12_1">Total long-term debt and capital leases</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtAndCapitalLeaseObligations" xlink:to="us-gaap_LongTermDebtAndCapitalLeaseObligations_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_lbl" xml:lang="en-US" id="id_7341432_1283607_1_1">Long-term Debt and Capital Lease Obligations, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_lbl" xml:lang="en-US" id="id_7341432_1283607_2_1">Current portion of long-term debt and capital leases</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_lbl" xml:lang="en-US" id="id_7341432_1283607_12_1">Less: Current portion</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent" xlink:to="us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebtFairValue" xlink:label="us-gaap_LongTermDebtFairValue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebtFairValue_lbl" xml:lang="en-US" id="id_7341432_1283147_1_1">Long-term Debt, Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LongTermDebtFairValue_lbl" xml:lang="en-US" id="id_7341432_1283147_2_1">Senior notes outstanding, fair value</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtFairValue" xlink:to="us-gaap_LongTermDebtFairValue_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_LongTermDebtGrossCarryingValue" xlink:label="act_LongTermDebtGrossCarryingValue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_LongTermDebtGrossCarryingValue_lbl" xml:lang="en-US" id="id_7341432_1421084_3_1">Long Term Debt Gross Carrying Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_LongTermDebtGrossCarryingValue_lbl" xml:lang="en-US" id="id_7341432_1421084_1_1">Long Term Debt Gross Carrying Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="act_LongTermDebtGrossCarryingValue_lbl" xml:lang="en-US" id="id_7341432_1421084_6_1">Long Term Debt, Gross</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_LongTermDebtGrossCarryingValue" xlink:to="act_LongTermDebtGrossCarryingValue_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_lbl" xml:lang="en-US" id="id_7341432_1281775_1_1">Long-term Debt, Maturities, Repayments of Principal after Year Five</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_lbl" xml:lang="en-US" id="id_7341432_1281775_2_1">2020 and after</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_lbl" xml:lang="en-US" id="id_7341432_1284048_1_1">Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_lbl" xml:lang="en-US" id="id_7341432_1284048_2_1">2015</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_lbl" xml:lang="en-US" id="id_7341432_1283148_1_1">Long-term Debt, Maturities, Repayments of Principal in Year Five</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_lbl" xml:lang="en-US" id="id_7341432_1283148_2_1">2019</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_lbl" xml:lang="en-US" id="id_7341432_1283603_1_1">Long-term Debt, Maturities, Repayments of Principal in Year Four</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_lbl" xml:lang="en-US" id="id_7341432_1283603_2_1">2018</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_lbl" xml:lang="en-US" id="id_7341432_1282259_1_1">Long-term Debt, Maturities, Repayments of Principal in Year Three</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_lbl" xml:lang="en-US" id="id_7341432_1282259_2_1">2017</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_lbl" xml:lang="en-US" id="id_7341432_1284924_1_1">Long-term Debt, Maturities, Repayments of Principal in Year Two</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_lbl" xml:lang="en-US" id="id_7341432_1284924_2_1">2016</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:to="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="us-gaap_LongtermDebtTypeAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongtermDebtTypeAxis_lbl" xml:lang="en-US" id="id_7341432_1279211_1_1">Long-term Debt, Type [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LongtermDebtTypeAxis_lbl" xml:lang="en-US" id="id_7341432_1279211_2_1">Long-term Debt, Type [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongtermDebtTypeAxis" xlink:to="us-gaap_LongtermDebtTypeAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="us-gaap_LongtermDebtTypeDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongtermDebtTypeDomain_lbl" xml:lang="en-US" id="id_7341432_1270935_1_1">Long-term Debt, Type [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LongtermDebtTypeDomain_lbl" xml:lang="en-US" id="id_7341432_1270935_2_1">Long-term Debt, Type [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongtermDebtTypeDomain" xlink:to="us-gaap_LongtermDebtTypeDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermInvestmentsAbstract" xlink:label="us-gaap_LongTermInvestmentsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermInvestmentsAbstract_lbl" xml:lang="en-US" id="id_7341432_1270936_1_1">Long-term Investments [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LongTermInvestmentsAbstract_lbl" xml:lang="en-US" id="id_7341432_1270936_2_1">Long-term Investments [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermInvestmentsAbstract" xlink:to="us-gaap_LongTermInvestmentsAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_LongTermInvestmentsTableTextBlock" xlink:label="act_LongTermInvestmentsTableTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_LongTermInvestmentsTableTextBlock_lbl" xml:lang="en-US" id="id_7341432_1374846_3_1">Long Term Investments Table [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_LongTermInvestmentsTableTextBlock_lbl" xml:lang="en-US" id="id_7341432_1374846_1_1">Long Term Investments Table [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_LongTermInvestmentsTableTextBlock_lbl" xml:lang="en-US" id="id_7341432_1374846_2_1">Summary of Long-term Investments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_LongTermInvestmentsTableTextBlock" xlink:to="act_LongTermInvestmentsTableTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_LongTermSeveranceAndRestructuringLiabilities" xlink:label="act_LongTermSeveranceAndRestructuringLiabilities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_LongTermSeveranceAndRestructuringLiabilities_lbl" xml:lang="en-US" id="id_7341432_1610996_3_1">Long-term severance and restructuring liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_LongTermSeveranceAndRestructuringLiabilities_lbl" xml:lang="en-US" id="id_7341432_1610996_1_1">Long term Severance And Restructuring Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_LongTermSeveranceAndRestructuringLiabilities_lbl" xml:lang="en-US" id="id_7341432_1610996_2_1">Long-term severance and restructuring liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_LongTermSeveranceAndRestructuringLiabilities" xlink:to="act_LongTermSeveranceAndRestructuringLiabilities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:label="us-gaap_LossContingenciesByNatureOfContingencyAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LossContingenciesByNatureOfContingencyAxis_lbl" xml:lang="en-US" id="id_7341432_1277551_1_1">Loss Contingency Nature [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LossContingenciesByNatureOfContingencyAxis_lbl" xml:lang="en-US" id="id_7341432_1277551_2_1">Loss Contingency Nature [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:to="us-gaap_LossContingenciesByNatureOfContingencyAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LossContingenciesLineItems" xlink:label="us-gaap_LossContingenciesLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LossContingenciesLineItems_lbl" xml:lang="en-US" id="id_7341432_1280798_1_1">Loss Contingencies [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LossContingenciesLineItems_lbl" xml:lang="en-US" id="id_7341432_1280798_2_1">Loss Contingencies [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingenciesLineItems" xlink:to="us-gaap_LossContingenciesLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LossContingenciesTable" xlink:label="us-gaap_LossContingenciesTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LossContingenciesTable_lbl" xml:lang="en-US" id="id_7341432_1279197_1_1">Loss Contingencies [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LossContingenciesTable_lbl" xml:lang="en-US" id="id_7341432_1279197_2_1">Loss Contingencies [Table]</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LossContingencyAccrualAtCarryingValue" xlink:label="us-gaap_LossContingencyAccrualAtCarryingValue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LossContingencyAccrualAtCarryingValue_lbl" xml:lang="en-US" id="id_7341432_1283601_1_1">Loss Contingency Accrual</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LossContingencyAccrualAtCarryingValue_lbl" xml:lang="en-US" id="id_7341432_1283601_2_1">Accrued loss contingencies</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingencyAccrualAtCarryingValue" xlink:to="us-gaap_LossContingencyAccrualAtCarryingValue_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LossContingencyClaimsDismissedNumber" xlink:label="us-gaap_LossContingencyClaimsDismissedNumber"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LossContingencyClaimsDismissedNumber_lbl" xml:lang="en-US" id="id_7341432_1274283_1_1">Loss Contingency, Claims Dismissed, Number</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LossContingencyClaimsDismissedNumber_lbl" xml:lang="en-US" id="id_7341432_1274283_2_1">Approximate number of cases dismissed</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingencyClaimsDismissedNumber" xlink:to="us-gaap_LossContingencyClaimsDismissedNumber_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LossContingencyClaimsSettledNumber" xlink:label="us-gaap_LossContingencyClaimsSettledNumber"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LossContingencyClaimsSettledNumber_lbl" xml:lang="en-US" id="id_7341432_1274285_1_1">Loss Contingency, Claims Settled, Number</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LossContingencyClaimsSettledNumber_lbl" xml:lang="en-US" id="id_7341432_1274285_2_1">Number of claims settled</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingencyClaimsSettledNumber" xlink:to="us-gaap_LossContingencyClaimsSettledNumber_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LossContingencyDamagesAwardedValue" xlink:label="us-gaap_LossContingencyDamagesAwardedValue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LossContingencyDamagesAwardedValue_lbl" xml:lang="en-US" id="id_7341432_1288098_1_1">Loss Contingency, Damages Awarded, Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LossContingencyDamagesAwardedValue_lbl" xml:lang="en-US" id="id_7341432_1288098_2_1">Compensatory damages and civil penalties</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingencyDamagesAwardedValue" xlink:to="us-gaap_LossContingencyDamagesAwardedValue_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LossContingencyDamagesSoughtValue" xlink:label="us-gaap_LossContingencyDamagesSoughtValue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LossContingencyDamagesSoughtValue_lbl" xml:lang="en-US" id="id_7341432_1285523_1_1">Loss Contingency, Damages Sought, Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LossContingencyDamagesSoughtValue_lbl" xml:lang="en-US" id="id_7341432_1285523_2_1">Compensatory damages and civil penalties</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingencyDamagesSoughtValue" xlink:to="us-gaap_LossContingencyDamagesSoughtValue_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LossContingencyNameOfDefendant" xlink:label="us-gaap_LossContingencyNameOfDefendant"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LossContingencyNameOfDefendant_lbl" xml:lang="en-US" id="id_7341432_1279201_1_1">Loss Contingency, Name of Defendant</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LossContingencyNameOfDefendant_lbl" xml:lang="en-US" id="id_7341432_1279201_2_1">Name of defendants to Warner Chilcott and Mayne</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingencyNameOfDefendant" xlink:to="us-gaap_LossContingencyNameOfDefendant_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LossContingencyNatureDomain" xlink:label="us-gaap_LossContingencyNatureDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LossContingencyNatureDomain_lbl" xml:lang="en-US" id="id_7341432_1279202_1_1">Loss Contingency, Nature [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LossContingencyNatureDomain_lbl" xml:lang="en-US" id="id_7341432_1279202_2_1">Loss Contingency, Nature [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingencyNatureDomain" xlink:to="us-gaap_LossContingencyNatureDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_LossContingencyNumberOfAdditionalPlaintiffs" xlink:label="act_LossContingencyNumberOfAdditionalPlaintiffs"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_LossContingencyNumberOfAdditionalPlaintiffs_lbl" xml:lang="en-US" id="id_7341432_1613328_3_1">Loss Contingency Number Of Additional Plaintiffs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_LossContingencyNumberOfAdditionalPlaintiffs_lbl" xml:lang="en-US" id="id_7341432_1613328_1_1">Loss Contingency Number Of Additional Plaintiffs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_LossContingencyNumberOfAdditionalPlaintiffs_lbl" xml:lang="en-US" id="id_7341432_1613328_2_1">Number of additional plaintiffs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_LossContingencyNumberOfAdditionalPlaintiffs" xlink:to="act_LossContingencyNumberOfAdditionalPlaintiffs_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_LossContingencyNumberOfDefendantCases" xlink:label="act_LossContingencyNumberOfDefendantCases"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_LossContingencyNumberOfDefendantCases_lbl" xml:lang="en-US" id="id_7341432_1591901_3_1">Loss Contingency Number Of Defendant Cases</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_LossContingencyNumberOfDefendantCases_lbl" xml:lang="en-US" id="id_7341432_1591901_1_1">Loss Contingency Number Of Defendant Cases</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_LossContingencyNumberOfDefendantCases_lbl" xml:lang="en-US" id="id_7341432_1591901_2_1">Number of defendant cases</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_LossContingencyNumberOfDefendantCases" xlink:to="act_LossContingencyNumberOfDefendantCases_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LossContingencyNumberOfPlaintiffs" xlink:label="us-gaap_LossContingencyNumberOfPlaintiffs"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LossContingencyNumberOfPlaintiffs_lbl" xml:lang="en-US" id="id_7341432_1279203_1_1">Loss Contingency, Number of Plaintiffs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LossContingencyNumberOfPlaintiffs_lbl" xml:lang="en-US" id="id_7341432_1279203_2_1">Number of plaintiffs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingencyNumberOfPlaintiffs" xlink:to="us-gaap_LossContingencyNumberOfPlaintiffs_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_LossContingencyNumberOfProceedings" xlink:label="act_LossContingencyNumberOfProceedings"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_LossContingencyNumberOfProceedings_lbl" xml:lang="en-US" id="id_7341432_1376723_3_1">Loss Contingency Number Of Proceedings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_LossContingencyNumberOfProceedings_lbl" xml:lang="en-US" id="id_7341432_1376723_1_1">Loss Contingency Number Of Proceedings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_LossContingencyNumberOfProceedings_lbl" xml:lang="en-US" id="id_7341432_1376723_2_1">Approximate number of proceeding cases</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_LossContingencyNumberOfProceedings" xlink:to="act_LossContingencyNumberOfProceedings_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LossContingencyPendingClaimsNumber" xlink:label="us-gaap_LossContingencyPendingClaimsNumber"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LossContingencyPendingClaimsNumber_lbl" xml:lang="en-US" id="id_7341432_1272622_1_1">Loss Contingency, Pending Claims, Number</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LossContingencyPendingClaimsNumber_lbl" xml:lang="en-US" id="id_7341432_1272622_2_1">Approximate number of cases pending</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_LossContingencyPendingClaimsNumber_lbl" xml:lang="en-US" id="id_7341432_1272622_12_1">Approximately number of cases pending</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingencyPendingClaimsNumber" xlink:to="us-gaap_LossContingencyPendingClaimsNumber_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_LossContingencyPutativeClaimsFiledNumber" xlink:label="act_LossContingencyPutativeClaimsFiledNumber"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_LossContingencyPutativeClaimsFiledNumber_lbl" xml:lang="en-US" id="id_7341432_1504074_3_1">Loss Contingency Putative Claims Filed Number</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_LossContingencyPutativeClaimsFiledNumber_lbl" xml:lang="en-US" id="id_7341432_1504074_1_1">Loss Contingency Putative Claims Filed Number</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_LossContingencyPutativeClaimsFiledNumber_lbl" xml:lang="en-US" id="id_7341432_1504074_2_1">Number of putative class actions filed</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_LossContingencyPutativeClaimsFiledNumber" xlink:to="act_LossContingencyPutativeClaimsFiledNumber_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_LossContingencySettlementAgreementAmount" xlink:label="act_LossContingencySettlementAgreementAmount"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_LossContingencySettlementAgreementAmount_lbl" xml:lang="en-US" id="id_7341432_1524016_3_1">Loss Contingency Settlement Agreement Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_LossContingencySettlementAgreementAmount_lbl" xml:lang="en-US" id="id_7341432_1524016_1_1">Loss Contingency Settlement Agreement Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_LossContingencySettlementAgreementAmount_lbl" xml:lang="en-US" id="id_7341432_1524016_2_1">Loss contingency, settlement agreement, amount</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_LossContingencySettlementAgreementAmount" xlink:to="act_LossContingencySettlementAgreementAmount_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LossContingencySettlementAgreementDate" xlink:label="us-gaap_LossContingencySettlementAgreementDate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LossContingencySettlementAgreementDate_lbl" xml:lang="en-US" id="id_7341432_1275935_1_1">Loss Contingency, Settlement Agreement, Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LossContingencySettlementAgreementDate_lbl" xml:lang="en-US" id="id_7341432_1275935_2_1">Settlement agreement date</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingencySettlementAgreementDate" xlink:to="us-gaap_LossContingencySettlementAgreementDate_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LossContingencySettlementAgreementTerms" xlink:label="us-gaap_LossContingencySettlementAgreementTerms"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LossContingencySettlementAgreementTerms_lbl" xml:lang="en-US" id="id_7341432_1275936_1_1">Loss Contingency, Settlement Agreement, Terms</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LossContingencySettlementAgreementTerms_lbl" xml:lang="en-US" id="id_7341432_1275936_2_1">Settlement agreement terms</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingencySettlementAgreementTerms" xlink:to="us-gaap_LossContingencySettlementAgreementTerms_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_LossContingencyStipulatedClaimsDismissalsNumber" xlink:label="act_LossContingencyStipulatedClaimsDismissalsNumber"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_LossContingencyStipulatedClaimsDismissalsNumber_lbl" xml:lang="en-US" id="id_7341432_1473907_3_1">Loss Contingency Stipulated Claims Dismissals Number</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_LossContingencyStipulatedClaimsDismissalsNumber_lbl" xml:lang="en-US" id="id_7341432_1473907_1_1">Loss Contingency Stipulated Claims Dismissals Number</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_LossContingencyStipulatedClaimsDismissalsNumber_lbl" xml:lang="en-US" id="id_7341432_1473907_2_1">Number of stipulated dismissals in the Superior Court of New Jersey</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_LossContingencyStipulatedClaimsDismissalsNumber" xlink:to="act_LossContingencyStipulatedClaimsDismissalsNumber_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_LossOnSublease" xlink:label="act_LossOnSublease"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_LossOnSublease_lbl" xml:lang="en-US" id="id_7341432_1592684_3_1">Loss on sublease.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_LossOnSublease_lbl" xml:lang="en-US" id="id_7341432_1592684_1_1">Loss On Sublease</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_LossOnSublease_lbl" xml:lang="en-US" id="id_7341432_1592684_2_1">Loss on subleased facility</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_LossOnSublease" xlink:to="act_LossOnSublease_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MachineryAndEquipmentMember" xlink:label="us-gaap_MachineryAndEquipmentMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MachineryAndEquipmentMember_lbl" xml:lang="en-US" id="id_7341432_1275929_1_1">Machinery and Equipment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MachineryAndEquipmentMember_lbl" xml:lang="en-US" id="id_7341432_1275929_2_1">Machinery and Equipment [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MachineryAndEquipmentMember" xlink:to="us-gaap_MachineryAndEquipmentMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MajorCustomersAxis" xlink:label="us-gaap_MajorCustomersAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MajorCustomersAxis_lbl" xml:lang="en-US" id="id_7341432_1275930_1_1">Customer [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MajorCustomersAxis_lbl" xml:lang="en-US" id="id_7341432_1275930_2_1">Customer [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MajorCustomersAxis" xlink:to="us-gaap_MajorCustomersAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:label="us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_lbl" xml:lang="en-US" id="id_7341432_1280806_1_1">Major Types of Debt and Equity Securities [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_lbl" xml:lang="en-US" id="id_7341432_1280806_2_1">Major Types of Debt and Equity Securities [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:to="us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_lbl" xml:lang="en-US" id="id_7341432_1269307_1_1">Major Types of Debt and Equity Securities [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_lbl" xml:lang="en-US" id="id_7341432_1269307_2_1">Major Types of Debt and Equity Securities [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:to="us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MandatorilyRedeemablePreferredStockMember" xlink:label="us-gaap_MandatorilyRedeemablePreferredStockMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MandatorilyRedeemablePreferredStockMember_lbl" xml:lang="en-US" id="id_7341432_1269312_1_1">Mandatorily Redeemable Preferred Stock [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MandatorilyRedeemablePreferredStockMember_lbl" xml:lang="en-US" id="id_7341432_1269312_2_1">Mandatorily Redeemable Preferred Stock [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MandatorilyRedeemablePreferredStockMember" xlink:to="us-gaap_MandatorilyRedeemablePreferredStockMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_MarketableSecuritiesAndOtherInvestmentsTableTextBlock" xlink:label="act_MarketableSecuritiesAndOtherInvestmentsTableTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_MarketableSecuritiesAndOtherInvestmentsTableTextBlock_lbl" xml:lang="en-US" id="id_7341432_1487354_3_1">Marketable Securities And Other Investments Table [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_MarketableSecuritiesAndOtherInvestmentsTableTextBlock_lbl" xml:lang="en-US" id="id_7341432_1487354_1_1">Marketable Securities And Other Investments Table [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_MarketableSecuritiesAndOtherInvestmentsTableTextBlock_lbl" xml:lang="en-US" id="id_7341432_1487354_2_1">Marketable Securities and Other Investments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_MarketableSecuritiesAndOtherInvestmentsTableTextBlock" xlink:to="act_MarketableSecuritiesAndOtherInvestmentsTableTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MarketableSecuritiesCurrent" xlink:label="us-gaap_MarketableSecuritiesCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MarketableSecuritiesCurrent_lbl" xml:lang="en-US" id="id_7341432_1287104_1_1">Marketable Securities, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MarketableSecuritiesCurrent_lbl" xml:lang="en-US" id="id_7341432_1287104_2_1">Marketable securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_MarketableSecuritiesCurrent_lbl" xml:lang="en-US" id="id_7341432_1287104_12_1">Total marketable securities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MarketableSecuritiesCurrent" xlink:to="us-gaap_MarketableSecuritiesCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MarketableSecuritiesGainLoss" xlink:label="us-gaap_MarketableSecuritiesGainLoss"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MarketableSecuritiesGainLoss_lbl" xml:lang="en-US" id="id_7341432_1284031_1_1">Marketable Securities, Gain (Loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MarketableSecuritiesGainLoss_lbl" xml:lang="en-US" id="id_7341432_1284031_2_1">Gains or losses on marketable securities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MarketableSecuritiesGainLoss" xlink:to="us-gaap_MarketableSecuritiesGainLoss_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MarketableSecuritiesPolicy" xlink:label="us-gaap_MarketableSecuritiesPolicy"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MarketableSecuritiesPolicy_lbl" xml:lang="en-US" id="id_7341432_1269317_1_1">Marketable Securities, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MarketableSecuritiesPolicy_lbl" xml:lang="en-US" id="id_7341432_1269317_2_1">Marketable Securities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MarketableSecuritiesPolicy" xlink:to="us-gaap_MarketableSecuritiesPolicy_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_MarketedProductsMember" xlink:label="act_MarketedProductsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_MarketedProductsMember_lbl" xml:lang="en-US" id="id_7341432_1538327_3_1">Marketed products.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_MarketedProductsMember_lbl" xml:lang="en-US" id="id_7341432_1538327_1_1">Marketed Products [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_MarketedProductsMember_lbl" xml:lang="en-US" id="id_7341432_1538327_2_1">CMP [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_MarketedProductsMember" xlink:to="act_MarketedProductsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MarketingRelatedIntangibleAssetsMember" xlink:label="us-gaap_MarketingRelatedIntangibleAssetsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MarketingRelatedIntangibleAssetsMember_lbl" xml:lang="en-US" id="id_7341432_1277563_1_1">Marketing-Related Intangible Assets [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MarketingRelatedIntangibleAssetsMember_lbl" xml:lang="en-US" id="id_7341432_1277563_2_1">CMP [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MarketingRelatedIntangibleAssetsMember" xlink:to="us-gaap_MarketingRelatedIntangibleAssetsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_MarketPriceHigh" xlink:label="act_MarketPriceHigh"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_MarketPriceHigh_lbl" xml:lang="en-US" id="id_7341432_1561585_3_1">Market Price High</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_MarketPriceHigh_lbl" xml:lang="en-US" id="id_7341432_1561585_1_1">Market Price High</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_MarketPriceHigh_lbl" xml:lang="en-US" id="id_7341432_1561585_2_1">High</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_MarketPriceHigh" xlink:to="act_MarketPriceHigh_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_MarketPriceLow" xlink:label="act_MarketPriceLow"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_MarketPriceLow_lbl" xml:lang="en-US" id="id_7341432_1404628_3_1">Market Price Low</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_MarketPriceLow_lbl" xml:lang="en-US" id="id_7341432_1404628_1_1">Market Price Low</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_MarketPriceLow_lbl" xml:lang="en-US" id="id_7341432_1404628_2_1">Low</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_MarketPriceLow" xlink:to="act_MarketPriceLow_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_MarketPricePerShareAbstract" xlink:label="act_MarketPricePerShareAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_MarketPricePerShareAbstract_lbl" xml:lang="en-US" id="id_7341432_1547858_3_1">Market Price Per Share [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_MarketPricePerShareAbstract_lbl" xml:lang="en-US" id="id_7341432_1547858_1_1">Market Price Per Share [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_MarketPricePerShareAbstract_lbl" xml:lang="en-US" id="id_7341432_1547858_2_1">Market price per share:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_MarketPricePerShareAbstract" xlink:to="act_MarketPricePerShareAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MaterialReconcilingItemsMember" xlink:label="us-gaap_MaterialReconcilingItemsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MaterialReconcilingItemsMember_lbl" xml:lang="en-US" id="id_7341432_1269323_1_1">Segment Reconciling Items [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MaterialReconcilingItemsMember_lbl" xml:lang="en-US" id="id_7341432_1269323_2_1">Material Reconciling Items [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MaterialReconcilingItemsMember" xlink:to="us-gaap_MaterialReconcilingItemsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MaximumMember" xlink:label="us-gaap_MaximumMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MaximumMember_lbl" xml:lang="en-US" id="id_7341432_1275948_1_1">Maximum [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MaximumMember_lbl" xml:lang="en-US" id="id_7341432_1275948_2_1">Maximum [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MaximumMember" xlink:to="us-gaap_MaximumMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_MaximumPercentageOfActuarialGainOrLossInExcessOfGreaterOfProjectedBenefitObligationOrMarketRelatedValueOfPlanAssets" xlink:label="act_MaximumPercentageOfActuarialGainOrLossInExcessOfGreaterOfProjectedBenefitObligationOrMarketRelatedValueOfPlanAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_MaximumPercentageOfActuarialGainOrLossInExcessOfGreaterOfProjectedBenefitObligationOrMarketRelatedValueOfPlanAssets_lbl" xml:lang="en-US" id="id_7341432_1451173_3_1">Maximum percentage of actuarial gain or loss in excess of greater of projected benefit obligation or market related value of plan assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_MaximumPercentageOfActuarialGainOrLossInExcessOfGreaterOfProjectedBenefitObligationOrMarketRelatedValueOfPlanAssets_lbl" xml:lang="en-US" id="id_7341432_1451173_1_1">Maximum Percentage Of Actuarial Gain Or Loss In Excess Of Greater Of Projected Benefit Obligation Or Market Related Value Of Plan Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_MaximumPercentageOfActuarialGainOrLossInExcessOfGreaterOfProjectedBenefitObligationOrMarketRelatedValueOfPlanAssets_lbl" xml:lang="en-US" id="id_7341432_1451173_2_1">Maximum percentage of actuarial gain or loss in excess of greater of projected benefit obligation or market related value of plan assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_MaximumPercentageOfActuarialGainOrLossInExcessOfGreaterOfProjectedBenefitObligationOrMarketRelatedValueOfPlanAssets" xlink:to="act_MaximumPercentageOfActuarialGainOrLossInExcessOfGreaterOfProjectedBenefitObligationOrMarketRelatedValueOfPlanAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_MaximumPercentageOfOwnershipForEquityMethodAccounting" xlink:label="act_MaximumPercentageOfOwnershipForEquityMethodAccounting"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_MaximumPercentageOfOwnershipForEquityMethodAccounting_lbl" xml:lang="en-US" id="id_7341432_1435938_3_1">Maximum percentage of ownership for equity method accounting.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_MaximumPercentageOfOwnershipForEquityMethodAccounting_lbl" xml:lang="en-US" id="id_7341432_1435938_1_1">Maximum Percentage Of Ownership For Equity Method Accounting</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_MaximumPercentageOfOwnershipForEquityMethodAccounting_lbl" xml:lang="en-US" id="id_7341432_1435938_2_1">Maximum percentage of ownership for equity method accounting</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_MaximumPercentageOfOwnershipForEquityMethodAccounting" xlink:to="act_MaximumPercentageOfOwnershipForEquityMethodAccounting_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_MayTwoThousandFourteenAcquisitionMember" xlink:label="act_MayTwoThousandFourteenAcquisitionMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_MayTwoThousandFourteenAcquisitionMember_lbl" xml:lang="en-US" id="id_7341432_1591870_3_1">May Two Thousand Fourteen Acquisition [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_MayTwoThousandFourteenAcquisitionMember_lbl" xml:lang="en-US" id="id_7341432_1591870_1_1">May Two Thousand Fourteen Acquisition [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_MayTwoThousandFourteenAcquisitionMember_lbl" xml:lang="en-US" id="id_7341432_1591870_2_1">May 2014 Acquisition [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_MayTwoThousandFourteenAcquisitionMember" xlink:to="act_MayTwoThousandFourteenAcquisitionMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_McKessonCorporationMember" xlink:label="act_McKessonCorporationMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_McKessonCorporationMember_lbl" xml:lang="en-US" id="id_7341432_1294047_3_1">Mc Kesson Corporation [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_McKessonCorporationMember_lbl" xml:lang="en-US" id="id_7341432_1294047_1_1">Mc Kesson Corporation [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_McKessonCorporationMember_lbl" xml:lang="en-US" id="id_7341432_1294047_2_1">McKesson Corporation [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_McKessonCorporationMember" xlink:to="act_McKessonCorporationMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_MeasurementPeriodAdjustmentMember" xlink:label="act_MeasurementPeriodAdjustmentMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_MeasurementPeriodAdjustmentMember_lbl" xml:lang="en-US" id="id_7341432_1435076_3_1">Measurement Period Adjustment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_MeasurementPeriodAdjustmentMember_lbl" xml:lang="en-US" id="id_7341432_1435076_1_1">Measurement Period Adjustment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_MeasurementPeriodAdjustmentMember_lbl" xml:lang="en-US" id="id_7341432_1435076_2_1">Measurement Period Adjustment [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_MeasurementPeriodAdjustmentMember" xlink:to="act_MeasurementPeriodAdjustmentMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_MedicalWestBallasPharmacyMember" xlink:label="act_MedicalWestBallasPharmacyMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_MedicalWestBallasPharmacyMember_lbl" xml:lang="en-US" id="id_7341432_1411622_3_1">Medical West Ballas Pharmacy [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_MedicalWestBallasPharmacyMember_lbl" xml:lang="en-US" id="id_7341432_1411622_1_1">Medical West Ballas Pharmacy [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_MedicalWestBallasPharmacyMember_lbl" xml:lang="en-US" id="id_7341432_1411622_2_1">Medical West Ballas Pharmacy [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_MedicalWestBallasPharmacyMember" xlink:to="act_MedicalWestBallasPharmacyMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_MedicinesThreeSixZeroMember" xlink:label="act_MedicinesThreeSixZeroMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_MedicinesThreeSixZeroMember_lbl" xml:lang="en-US" id="id_7341432_1425716_3_1">Medicines Three Six Zero [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_MedicinesThreeSixZeroMember_lbl" xml:lang="en-US" id="id_7341432_1425716_1_1">Medicines Three Six Zero [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_MedicinesThreeSixZeroMember_lbl" xml:lang="en-US" id="id_7341432_1425716_2_1">Medicines 360 [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_MedicinesThreeSixZeroMember" xlink:to="act_MedicinesThreeSixZeroMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MembersCapital" xlink:label="us-gaap_MembersCapital"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MembersCapital_lbl" xml:lang="en-US" id="id_7341432_1281768_1_1">Members' Capital</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MembersCapital_lbl" xml:lang="en-US" id="id_7341432_1281768_2_1">Member's capital</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MembersCapital" xlink:to="us-gaap_MembersCapital_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MembersEquity" xlink:label="us-gaap_MembersEquity"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MembersEquity_lbl" xml:lang="en-US" id="id_7341432_1283588_1_1">Members' Equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_MembersEquity_lbl" xml:lang="en-US" id="id_7341432_1283588_4_1">Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_MembersEquity_lbl" xml:lang="en-US" id="id_7341432_1283588_5_1">Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_MembersEquity_lbl" xml:lang="en-US" id="id_7341432_1283588_6_1">Total member's equity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MembersEquity" xlink:to="us-gaap_MembersEquity_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_MembersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="act_MembersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_MembersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl" xml:lang="en-US" id="id_7341432_1421256_3_1">Members Equity Including Portion Attributable To Noncontrolling Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_MembersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl" xml:lang="en-US" id="id_7341432_1421256_1_1">Members Equity Including Portion Attributable To Noncontrolling Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="act_MembersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl" xml:lang="en-US" id="id_7341432_1421256_6_1">Total equity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_MembersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="act_MembersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MemberUnitsMember" xlink:label="us-gaap_MemberUnitsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MemberUnitsMember_lbl" xml:lang="en-US" id="id_7341432_1272646_1_1">Member Units [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MemberUnitsMember_lbl" xml:lang="en-US" id="id_7341432_1272646_2_1">Member's Capital [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MemberUnitsMember" xlink:to="us-gaap_MemberUnitsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MergersAcquisitionsAndDispositionsDisclosuresTextBlock" xlink:label="us-gaap_MergersAcquisitionsAndDispositionsDisclosuresTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MergersAcquisitionsAndDispositionsDisclosuresTextBlock_lbl" xml:lang="en-US" id="id_7341432_1277570_1_1">Mergers, Acquisitions and Dispositions Disclosures [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MergersAcquisitionsAndDispositionsDisclosuresTextBlock_lbl" xml:lang="en-US" id="id_7341432_1277570_2_1">Business Development</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MergersAcquisitionsAndDispositionsDisclosuresTextBlock" xlink:to="us-gaap_MergersAcquisitionsAndDispositionsDisclosuresTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_MesalamineFranchiseMember" xlink:label="act_MesalamineFranchiseMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_MesalamineFranchiseMember_lbl" xml:lang="en-US" id="id_7341432_1466389_3_1">Mesalamine Franchise [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_MesalamineFranchiseMember_lbl" xml:lang="en-US" id="id_7341432_1466389_1_1">Mesalamine Franchise [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_MesalamineFranchiseMember_lbl" xml:lang="en-US" id="id_7341432_1466389_2_1">Mesalamine Franchise [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_MesalamineFranchiseMember" xlink:to="act_MesalamineFranchiseMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_MetoclopramideLitigationMember" xlink:label="act_MetoclopramideLitigationMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_MetoclopramideLitigationMember_lbl" xml:lang="en-US" id="id_7341432_1408256_3_1">Metoclopramide Litigation [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_MetoclopramideLitigationMember_lbl" xml:lang="en-US" id="id_7341432_1408256_1_1">Metoclopramide Litigation [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_MetoclopramideLitigationMember_lbl" xml:lang="en-US" id="id_7341432_1408256_2_1">Metoclopramide Litigation [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_MetoclopramideLitigationMember" xlink:to="act_MetoclopramideLitigationMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_MetrogelAcquisitionMember" xlink:label="act_MetrogelAcquisitionMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_MetrogelAcquisitionMember_lbl" xml:lang="en-US" id="id_7341432_1610752_3_1">Metrogel Acquisition [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_MetrogelAcquisitionMember_lbl" xml:lang="en-US" id="id_7341432_1610752_1_1">Metrogel Acquisition [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_MetrogelAcquisitionMember_lbl" xml:lang="en-US" id="id_7341432_1610752_2_1">Metrogel Acquisition [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_MetrogelAcquisitionMember" xlink:to="act_MetrogelAcquisitionMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_MetronidazoleOnePointThreePercentageVaginalGelAntibioticMember" xlink:label="act_MetronidazoleOnePointThreePercentageVaginalGelAntibioticMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_MetronidazoleOnePointThreePercentageVaginalGelAntibioticMember_lbl" xml:lang="en-US" id="id_7341432_1420572_3_1">Metronidazole One Point Three Percentage Vaginal Gel Antibiotic [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_MetronidazoleOnePointThreePercentageVaginalGelAntibioticMember_lbl" xml:lang="en-US" id="id_7341432_1420572_1_1">Metronidazole One Point Three Percentage Vaginal Gel Antibiotic [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_MetronidazoleOnePointThreePercentageVaginalGelAntibioticMember_lbl" xml:lang="en-US" id="id_7341432_1420572_2_1">Metronidazole 1.3% Vaginal Gel [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_MetronidazoleOnePointThreePercentageVaginalGelAntibioticMember" xlink:to="act_MetronidazoleOnePointThreePercentageVaginalGelAntibioticMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_MinastrinFeMember" xlink:label="act_MinastrinFeMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_MinastrinFeMember_lbl" xml:lang="en-US" id="id_7341432_1591948_3_1">Minastrin Fe [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_MinastrinFeMember_lbl" xml:lang="en-US" id="id_7341432_1591948_1_1">Minastrin Fe [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_MinastrinFeMember_lbl" xml:lang="en-US" id="id_7341432_1591948_2_1">Minastrin 24 Fe [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_MinastrinFeMember" xlink:to="act_MinastrinFeMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MinimumMember" xlink:label="us-gaap_MinimumMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MinimumMember_lbl" xml:lang="en-US" id="id_7341432_1277596_1_1">Minimum [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MinimumMember_lbl" xml:lang="en-US" id="id_7341432_1277596_2_1">Minimum [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MinimumMember" xlink:to="us-gaap_MinimumMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_MinimumStatutoryDamagesPerViolation" xlink:label="act_MinimumStatutoryDamagesPerViolation"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_MinimumStatutoryDamagesPerViolation_lbl" xml:lang="en-US" id="id_7341432_1468190_3_1">Minimum Statutory Damages Per Violation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_MinimumStatutoryDamagesPerViolation_lbl" xml:lang="en-US" id="id_7341432_1468190_1_1">Minimum Statutory Damages Per Violation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_MinimumStatutoryDamagesPerViolation_lbl" xml:lang="en-US" id="id_7341432_1468190_2_1">Minimum statutory damages per violation</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_MinimumStatutoryDamagesPerViolation" xlink:to="act_MinimumStatutoryDamagesPerViolation_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MinorityInterest" xlink:label="us-gaap_MinorityInterest"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MinorityInterest_lbl" xml:lang="en-US" id="id_7341432_1284489_1_1">Stockholders' Equity Attributable to Noncontrolling Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MinorityInterest_lbl" xml:lang="en-US" id="id_7341432_1284489_2_1">Noncontrolling interest</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MinorityInterest" xlink:to="us-gaap_MinorityInterest_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MinorityInterestDecreaseFromRedemptions" xlink:label="us-gaap_MinorityInterestDecreaseFromRedemptions"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MinorityInterestDecreaseFromRedemptions_lbl" xml:lang="en-US" id="id_7341432_1287105_1_1">Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_MinorityInterestDecreaseFromRedemptions_lbl" xml:lang="en-US" id="id_7341432_1287105_14_1">Acquisition of noncontrolling interest</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MinorityInterestDecreaseFromRedemptions" xlink:to="us-gaap_MinorityInterestDecreaseFromRedemptions_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_MokshaEightMember" xlink:label="act_MokshaEightMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_MokshaEightMember_lbl" xml:lang="en-US" id="id_7341432_1332810_3_1">Moksha Eight [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_MokshaEightMember_lbl" xml:lang="en-US" id="id_7341432_1332810_1_1">Moksha Eight [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_MokshaEightMember_lbl" xml:lang="en-US" id="id_7341432_1332810_2_1">Moksha8 Pharmaceuticals, Inc. [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_MokshaEightMember" xlink:to="act_MokshaEightMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MovementInAccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentRollForward" xlink:label="us-gaap_MovementInAccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentRollForward"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MovementInAccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentRollForward_lbl" xml:lang="en-US" id="id_7341432_1269341_1_1">Movement in Accumulated Depreciation, Depletion and Amortization, Property, Plant and Equipment [Roll Forward]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MovementInAccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentRollForward_lbl" xml:lang="en-US" id="id_7341432_1269341_2_1">Accumulated depreciation</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MovementInAccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentRollForward" xlink:to="us-gaap_MovementInAccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentRollForward_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_MovementInCashHeldForSale" xlink:label="act_MovementInCashHeldForSale"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_MovementInCashHeldForSale_lbl" xml:lang="en-US" id="id_7341432_1489423_3_1">Movement in cash held for sale.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_MovementInCashHeldForSale_lbl" xml:lang="en-US" id="id_7341432_1489423_1_1">Movement In Cash Held For Sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_MovementInCashHeldForSale_lbl" xml:lang="en-US" id="id_7341432_1489423_2_1">Movement in cash held for sale</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_MovementInCashHeldForSale" xlink:to="act_MovementInCashHeldForSale_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MovementInPropertyPlantAndEquipmentRollForward" xlink:label="us-gaap_MovementInPropertyPlantAndEquipmentRollForward"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MovementInPropertyPlantAndEquipmentRollForward_lbl" xml:lang="en-US" id="id_7341432_1272670_1_1">Movement in Property, Plant and Equipment [Roll Forward]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MovementInPropertyPlantAndEquipmentRollForward_lbl" xml:lang="en-US" id="id_7341432_1272670_2_1">Cost</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MovementInPropertyPlantAndEquipmentRollForward" xlink:to="us-gaap_MovementInPropertyPlantAndEquipmentRollForward_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_NamendaFranchiseMember" xlink:label="act_NamendaFranchiseMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_NamendaFranchiseMember_lbl" xml:lang="en-US" id="id_7341432_1596186_3_1">Namenda franchise.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_NamendaFranchiseMember_lbl" xml:lang="en-US" id="id_7341432_1596186_1_1">Namenda Franchise [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_NamendaFranchiseMember_lbl" xml:lang="en-US" id="id_7341432_1596186_2_1">Namenda Franchise [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_NamendaFranchiseMember" xlink:to="act_NamendaFranchiseMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_NamendaMember" xlink:label="act_NamendaMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_NamendaMember_lbl" xml:lang="en-US" id="id_7341432_1592181_3_1">Namenda [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_NamendaMember_lbl" xml:lang="en-US" id="id_7341432_1592181_1_1">Namenda [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_NamendaMember_lbl" xml:lang="en-US" id="id_7341432_1592181_2_1">Namenda Franchise [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_NamendaMember" xlink:to="act_NamendaMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NameOfMajorCustomerDomain" xlink:label="us-gaap_NameOfMajorCustomerDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NameOfMajorCustomerDomain_lbl" xml:lang="en-US" id="id_7341432_1280859_1_1">Customer [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NameOfMajorCustomerDomain_lbl" xml:lang="en-US" id="id_7341432_1280859_2_1">Customer [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NameOfMajorCustomerDomain" xlink:to="us-gaap_NameOfMajorCustomerDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_NamzaricMember" xlink:label="act_NamzaricMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_NamzaricMember_lbl" xml:lang="en-US" id="id_7341432_1610977_3_1">Namzaric [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_NamzaricMember_lbl" xml:lang="en-US" id="id_7341432_1610977_1_1">Namzaric [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_NamzaricMember_lbl" xml:lang="en-US" id="id_7341432_1610977_2_1">Namzaric [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_NamzaricMember" xlink:to="act_NamzaricMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NatureOfExpenseAxis" xlink:label="us-gaap_NatureOfExpenseAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NatureOfExpenseAxis_lbl" xml:lang="en-US" id="id_7341432_1269348_1_1">Nature of Expense [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NatureOfExpenseAxis_lbl" xml:lang="en-US" id="id_7341432_1269348_2_1">Nature of Expense [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NatureOfExpenseAxis" xlink:to="us-gaap_NatureOfExpenseAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NatureOfOperations" xlink:label="us-gaap_NatureOfOperations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NatureOfOperations_lbl" xml:lang="en-US" id="id_7341432_1272673_1_1">Nature of Operations [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NatureOfOperations_lbl" xml:lang="en-US" id="id_7341432_1272673_2_1">Description of Business</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NatureOfOperations" xlink:to="us-gaap_NatureOfOperations_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_NetAssetsHeldForSale" xlink:label="act_NetAssetsHeldForSale"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_NetAssetsHeldForSale_lbl" xml:lang="en-US" id="id_7341432_1476474_3_1">Net Assets Held For Sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_NetAssetsHeldForSale_lbl" xml:lang="en-US" id="id_7341432_1476474_1_1">Net Assets Held For Sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="act_NetAssetsHeldForSale_lbl" xml:lang="en-US" id="id_7341432_1476474_6_1">Net assets held for sale</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_NetAssetsHeldForSale" xlink:to="act_NetAssetsHeldForSale_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xml:lang="en-US" id="id_7341432_1272678_1_1">Net Cash Provided by (Used in) Financing Activities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xml:lang="en-US" id="id_7341432_1272678_2_1">Cash Flows From Financing Activities:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_lbl" xml:lang="en-US" id="id_7341432_1287111_1_1">Net Cash Provided by (Used in) Financing Activities, Continuing Operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_lbl" xml:lang="en-US" id="id_7341432_1287111_6_1">Net cash provided / (used in) by financing activities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xml:lang="en-US" id="id_7341432_1275981_1_1">Net Cash Provided by (Used in) Investing Activities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xml:lang="en-US" id="id_7341432_1275981_2_1">Cash Flows From Investing Activities:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_lbl" xml:lang="en-US" id="id_7341432_1287595_1_1">Net Cash Provided by (Used in) Investing Activities, Continuing Operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_lbl" xml:lang="en-US" id="id_7341432_1287595_6_1">Net cash (used in) investing activities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US" id="id_7341432_1274345_1_1">Net Cash Provided by (Used in) Operating Activities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US" id="id_7341432_1274345_2_1">Cash Flows From Operating Activities:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_lbl" xml:lang="en-US" id="id_7341432_1272684_1_1">Net Cash Provided by (Used in) Operating Activities, Continuing Operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_lbl" xml:lang="en-US" id="id_7341432_1272684_6_1">Net cash provided by operating activities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetIncomeLoss_lbl" xml:lang="en-US" id="id_7341432_1284477_1_1">Net Income (Loss) Attributable to Parent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="us-gaap_NetIncomeLoss_lbl" xml:lang="en-US" id="id_7341432_1284477_32_1">Net income (loss) attributable to ordinary shareholders</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveTerseLabel" xlink:label="us-gaap_NetIncomeLoss_lbl" xml:lang="en-US" id="id_7341432_1284477_33_1">Net income / (loss) attributable to ordinary shareholders</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveVerboseLabel" xlink:label="us-gaap_NetIncomeLoss_lbl" xml:lang="en-US" id="id_7341432_1284477_34_1">Net income/(loss) attributable to ordinary shareholders</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NetIncomeLoss_lbl" xml:lang="en-US" id="id_7341432_1284477_2_1">Net (loss) / income attributable to ordinary shareholders</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetIncomeLoss_lbl" xml:lang="en-US" id="id_7341432_1284477_6_1">Net (loss) / income attributable to ordinary shareholders</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_NetIncomeLoss_lbl" xml:lang="en-US" id="id_7341432_1284477_12_1">Net (loss)/income attributable to common shareholders</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLoss" xlink:to="us-gaap_NetIncomeLoss_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_lbl" xml:lang="en-US" id="id_7341432_1288604_1_1">Net Income (Loss) Attributable to Noncontrolling Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_lbl" xml:lang="en-US" id="id_7341432_1288604_2_1">(Loss) before income taxes and noncontrolling interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_lbl" xml:lang="en-US" id="id_7341432_1288604_14_1">(Income) / loss attributable to noncontrolling interest</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:to="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_NetSaleOfDivestedProduct" xlink:label="act_NetSaleOfDivestedProduct"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_NetSaleOfDivestedProduct_lbl" xml:lang="en-US" id="id_7341432_1536687_3_1">Net sales of divested product.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_NetSaleOfDivestedProduct_lbl" xml:lang="en-US" id="id_7341432_1536687_1_1">Net Sale Of Divested Product</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_NetSaleOfDivestedProduct_lbl" xml:lang="en-US" id="id_7341432_1536687_2_1">Net sales of divested products</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_NetSaleOfDivestedProduct" xlink:to="act_NetSaleOfDivestedProduct_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl" xml:lang="en-US" id="id_7341432_1279254_1_1">New Accounting Pronouncements, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl" xml:lang="en-US" id="id_7341432_1279254_2_1">Recent Accounting Pronouncements</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:to="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_NewDrugApplicationMember" xlink:label="act_NewDrugApplicationMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_NewDrugApplicationMember_lbl" xml:lang="en-US" id="id_7341432_1512082_3_1">New Drug Application [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_NewDrugApplicationMember_lbl" xml:lang="en-US" id="id_7341432_1512082_1_1">New Drug Application [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_NewDrugApplicationMember_lbl" xml:lang="en-US" id="id_7341432_1512082_2_1">New Drug Application [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_NewDrugApplicationMember" xlink:to="act_NewDrugApplicationMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_NewJerseyCourtMember" xlink:label="act_NewJerseyCourtMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_NewJerseyCourtMember_lbl" xml:lang="en-US" id="id_7341432_1396424_3_1">New Jersey Court [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_NewJerseyCourtMember_lbl" xml:lang="en-US" id="id_7341432_1396424_1_1">New Jersey Court [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_NewJerseyCourtMember_lbl" xml:lang="en-US" id="id_7341432_1396424_2_1">Superior Court of New Jersey [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_NewJerseyCourtMember" xlink:to="act_NewJerseyCourtMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NoncashContributionExpense" xlink:label="us-gaap_NoncashContributionExpense"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NoncashContributionExpense_lbl" xml:lang="en-US" id="id_7341432_1288112_1_1">Noncash Contribution Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NoncashContributionExpense_lbl" xml:lang="en-US" id="id_7341432_1288112_2_1">Contribution to Parent</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NoncashContributionExpense" xlink:to="us-gaap_NoncashContributionExpense_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_NonCashImpactOfDebtExtinguishment" xlink:label="act_NonCashImpactOfDebtExtinguishment"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_NonCashImpactOfDebtExtinguishment_lbl" xml:lang="en-US" id="id_7341432_1598025_3_1">Non Cash Impact Of Debt Extinguishment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_NonCashImpactOfDebtExtinguishment_lbl" xml:lang="en-US" id="id_7341432_1598025_1_1">Non Cash Impact Of Debt Extinguishment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="act_NonCashImpactOfDebtExtinguishment_lbl" xml:lang="en-US" id="id_7341432_1598025_14_1">Non-cash impact of debt extinguishment</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_NonCashImpactOfDebtExtinguishment" xlink:to="act_NonCashImpactOfDebtExtinguishment_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_NoncashPortionOfLongLivedAssetsHeldForSaleGainLoss" xlink:label="act_NoncashPortionOfLongLivedAssetsHeldForSaleGainLoss"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_NoncashPortionOfLongLivedAssetsHeldForSaleGainLoss_lbl" xml:lang="en-US" id="id_7341432_1526097_3_1">The non cash portion of the difference between the estimated proceeds to be received and carrying value of long lived assets held for sale.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_NoncashPortionOfLongLivedAssetsHeldForSaleGainLoss_lbl" xml:lang="en-US" id="id_7341432_1526097_1_1">Noncash Portion Of Long Lived Assets Held For Sale Gain Loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="act_NoncashPortionOfLongLivedAssetsHeldForSaleGainLoss_lbl" xml:lang="en-US" id="id_7341432_1526097_14_1">Impact of assets held for sale</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_NoncashPortionOfLongLivedAssetsHeldForSaleGainLoss" xlink:to="act_NoncashPortionOfLongLivedAssetsHeldForSaleGainLoss_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_NonCurrentOtherLiabilities" xlink:label="act_NonCurrentOtherLiabilities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_NonCurrentOtherLiabilities_lbl" xml:lang="en-US" id="id_7341432_1398382_3_1">Non current other liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_NonCurrentOtherLiabilities_lbl" xml:lang="en-US" id="id_7341432_1398382_1_1">Non Current Other Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_NonCurrentOtherLiabilities_lbl" xml:lang="en-US" id="id_7341432_1398382_2_1">Other long-term liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_NonCurrentOtherLiabilities" xlink:to="act_NonCurrentOtherLiabilities_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_NonEquitySettledAwardsMember" xlink:label="act_NonEquitySettledAwardsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_NonEquitySettledAwardsMember_lbl" xml:lang="en-US" id="id_7341432_1604881_3_1">Non equity settled awards.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_NonEquitySettledAwardsMember_lbl" xml:lang="en-US" id="id_7341432_1604881_1_1">Non Equity Settled Awards [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_NonEquitySettledAwardsMember_lbl" xml:lang="en-US" id="id_7341432_1604881_2_1">Non Equity-Settled Awards [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_NonEquitySettledAwardsMember" xlink:to="act_NonEquitySettledAwardsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_NonGuarantorsMember" xlink:label="act_NonGuarantorsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_NonGuarantorsMember_lbl" xml:lang="en-US" id="id_7341432_1429381_3_1">Non Guarantors [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_NonGuarantorsMember_lbl" xml:lang="en-US" id="id_7341432_1429381_1_1">Non Guarantors [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_NonGuarantorsMember_lbl" xml:lang="en-US" id="id_7341432_1429381_2_1">Non-Guarantors [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_NonGuarantorsMember" xlink:to="act_NonGuarantorsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="us-gaap_NonoperatingIncomeExpense"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NonoperatingIncomeExpense_lbl" xml:lang="en-US" id="id_7341432_1283571_1_1">Nonoperating Income (Expense)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NonoperatingIncomeExpense_lbl" xml:lang="en-US" id="id_7341432_1283571_6_1">Total other income (expense), net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NonoperatingIncomeExpense" xlink:to="us-gaap_NonoperatingIncomeExpense_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NonoperatingIncomeExpenseAbstract" xlink:label="us-gaap_NonoperatingIncomeExpenseAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NonoperatingIncomeExpenseAbstract_lbl" xml:lang="en-US" id="id_7341432_1274361_1_1">Nonoperating Income (Expense) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NonoperatingIncomeExpenseAbstract_lbl" xml:lang="en-US" id="id_7341432_1274361_2_1">Non-Operating income (expense):</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NonoperatingIncomeExpenseAbstract" xlink:to="us-gaap_NonoperatingIncomeExpenseAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_NonQualifiedOptionsMember" xlink:label="act_NonQualifiedOptionsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_NonQualifiedOptionsMember_lbl" xml:lang="en-US" id="id_7341432_1562341_3_1">Non Qualified Options [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_NonQualifiedOptionsMember_lbl" xml:lang="en-US" id="id_7341432_1562341_1_1">Non Qualified Options [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_NonQualifiedOptionsMember_lbl" xml:lang="en-US" id="id_7341432_1562341_2_1">Non-qualified Options [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_NonQualifiedOptionsMember" xlink:to="act_NonQualifiedOptionsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_NonRefundableDurationFeeMember" xlink:label="act_NonRefundableDurationFeeMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_NonRefundableDurationFeeMember_lbl" xml:lang="en-US" id="id_7341432_1613818_3_1">Non Refundable Duration Fee [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_NonRefundableDurationFeeMember_lbl" xml:lang="en-US" id="id_7341432_1613818_1_1">Non Refundable Duration Fee [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_NonRefundableDurationFeeMember_lbl" xml:lang="en-US" id="id_7341432_1613818_2_1">Non-refundable Duration Fee [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_NonRefundableDurationFeeMember" xlink:to="act_NonRefundableDurationFeeMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_NonRefundableTickingFeeMember" xlink:label="act_NonRefundableTickingFeeMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_NonRefundableTickingFeeMember_lbl" xml:lang="en-US" id="id_7341432_1613817_3_1">Non Refundable Ticking Fee [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_NonRefundableTickingFeeMember_lbl" xml:lang="en-US" id="id_7341432_1613817_1_1">Non Refundable Ticking Fee [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_NonRefundableTickingFeeMember_lbl" xml:lang="en-US" id="id_7341432_1613817_2_1">Nonrefundable Ticking Fee [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_NonRefundableTickingFeeMember" xlink:to="act_NonRefundableTickingFeeMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_NonScheduleDeaMember" xlink:label="act_NonScheduleDeaMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_NonScheduleDeaMember_lbl" xml:lang="en-US" id="id_7341432_1592100_3_1">Non Schedule DEA [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_NonScheduleDeaMember_lbl" xml:lang="en-US" id="id_7341432_1592100_1_1">Non Schedule DEA [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_NonScheduleDeaMember_lbl" xml:lang="en-US" id="id_7341432_1592100_2_1">Non Schedule DEA [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_NonScheduleDeaMember" xlink:to="act_NonScheduleDeaMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_NonUsDevelopedMarketsEquitySecuritiesMember" xlink:label="act_NonUsDevelopedMarketsEquitySecuritiesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_NonUsDevelopedMarketsEquitySecuritiesMember_lbl" xml:lang="en-US" id="id_7341432_1542770_3_1">Non Us Developed Markets Equity Securities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_NonUsDevelopedMarketsEquitySecuritiesMember_lbl" xml:lang="en-US" id="id_7341432_1542770_1_1">Non Us Developed Markets Equity Securities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_NonUsDevelopedMarketsEquitySecuritiesMember_lbl" xml:lang="en-US" id="id_7341432_1542770_2_1">Non-U.S. Developed Markets Equities [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_NonUsDevelopedMarketsEquitySecuritiesMember" xlink:to="act_NonUsDevelopedMarketsEquitySecuritiesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_NorthAmericaBrandsSegmentMember" xlink:label="act_NorthAmericaBrandsSegmentMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_NorthAmericaBrandsSegmentMember_lbl" xml:lang="en-US" id="id_7341432_1592178_3_1">North America Brands Segment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_NorthAmericaBrandsSegmentMember_lbl" xml:lang="en-US" id="id_7341432_1592178_1_1">North America Brands Segment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_NorthAmericaBrandsSegmentMember_lbl" xml:lang="en-US" id="id_7341432_1592178_2_1">North American Brands [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_NorthAmericaBrandsSegmentMember" xlink:to="act_NorthAmericaBrandsSegmentMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_NorthAmericaGenericsAndInternationalSegmentMember" xlink:label="act_NorthAmericaGenericsAndInternationalSegmentMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_NorthAmericaGenericsAndInternationalSegmentMember_lbl" xml:lang="en-US" id="id_7341432_1592179_3_1">North America Generics And International Segment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_NorthAmericaGenericsAndInternationalSegmentMember_lbl" xml:lang="en-US" id="id_7341432_1592179_1_1">North America Generics And International Segment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_NorthAmericaGenericsAndInternationalSegmentMember_lbl" xml:lang="en-US" id="id_7341432_1592179_2_1">North American Generics and International [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_NorthAmericaGenericsAndInternationalSegmentMember" xlink:to="act_NorthAmericaGenericsAndInternationalSegmentMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_NorthAmericanBrandsMember" xlink:label="act_NorthAmericanBrandsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_NorthAmericanBrandsMember_lbl" xml:lang="en-US" id="id_7341432_1472285_3_1">North American Brands [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_NorthAmericanBrandsMember_lbl" xml:lang="en-US" id="id_7341432_1472285_1_1">North American Brands [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_NorthAmericanBrandsMember_lbl" xml:lang="en-US" id="id_7341432_1472285_2_1">North American Brands [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_NorthAmericanBrandsMember" xlink:to="act_NorthAmericanBrandsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_NorthAmericanGenericsAndInternationalMember" xlink:label="act_NorthAmericanGenericsAndInternationalMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_NorthAmericanGenericsAndInternationalMember_lbl" xml:lang="en-US" id="id_7341432_1592240_3_1">North American Generics And International [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_NorthAmericanGenericsAndInternationalMember_lbl" xml:lang="en-US" id="id_7341432_1592240_1_1">North American Generics And International [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_NorthAmericanGenericsAndInternationalMember_lbl" xml:lang="en-US" id="id_7341432_1592240_2_1">North American Generics and International [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_NorthAmericanGenericsAndInternationalMember" xlink:to="act_NorthAmericanGenericsAndInternationalMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_NorthAmericanGenericsMember" xlink:label="act_NorthAmericanGenericsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_NorthAmericanGenericsMember_lbl" xml:lang="en-US" id="id_7341432_1489565_3_1">North American Generics [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_NorthAmericanGenericsMember_lbl" xml:lang="en-US" id="id_7341432_1489565_1_1">North American Generics [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_NorthAmericanGenericsMember_lbl" xml:lang="en-US" id="id_7341432_1489565_2_1">North American Generics [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_NorthAmericanGenericsMember" xlink:to="act_NorthAmericanGenericsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NotesAndLoansReceivableNetCurrent" xlink:label="us-gaap_NotesAndLoansReceivableNetCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NotesAndLoansReceivableNetCurrent_lbl" xml:lang="en-US" id="id_7341432_1285543_1_1">Notes, Loans and Financing Receivable, Net, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NotesAndLoansReceivableNetCurrent_lbl" xml:lang="en-US" id="id_7341432_1285543_2_1">Loan receivable related to prepaid expenses and other current assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NotesAndLoansReceivableNetCurrent" xlink:to="us-gaap_NotesAndLoansReceivableNetCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_NotSubjectToExpirationMember" xlink:label="act_NotSubjectToExpirationMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_NotSubjectToExpirationMember_lbl" xml:lang="en-US" id="id_7341432_1315416_3_1">Not Subject To Expiration [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_NotSubjectToExpirationMember_lbl" xml:lang="en-US" id="id_7341432_1315416_1_1">Not Subject To Expiration [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_NotSubjectToExpirationMember_lbl" xml:lang="en-US" id="id_7341432_1315416_2_1">Not Subject to Expiration [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_NotSubjectToExpirationMember" xlink:to="act_NotSubjectToExpirationMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_NumberOfBrands" xlink:label="act_NumberOfBrands"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_NumberOfBrands_lbl" xml:lang="en-US" id="id_7341432_1390302_3_1">Number Of Brands</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_NumberOfBrands_lbl" xml:lang="en-US" id="id_7341432_1390302_1_1">Number Of Brands</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_NumberOfBrands_lbl" xml:lang="en-US" id="id_7341432_1390302_2_1">New branded generic products</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_NumberOfBrands" xlink:to="act_NumberOfBrands_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_NumberOfCasesVoluntarilyDismissed" xlink:label="act_NumberOfCasesVoluntarilyDismissed"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_NumberOfCasesVoluntarilyDismissed_lbl" xml:lang="en-US" id="id_7341432_1353681_3_1">Number Of Cases Voluntarily Dismissed</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_NumberOfCasesVoluntarilyDismissed_lbl" xml:lang="en-US" id="id_7341432_1353681_1_1">Number Of Cases Voluntarily Dismissed</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_NumberOfCasesVoluntarilyDismissed_lbl" xml:lang="en-US" id="id_7341432_1353681_2_1">Number of cases voluntarily dismissed by plaintiffs with prejudice</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_NumberOfCasesVoluntarilyDismissed" xlink:to="act_NumberOfCasesVoluntarilyDismissed_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_NumberOfCompanyDivestedProductLines" xlink:label="act_NumberOfCompanyDivestedProductLines"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_NumberOfCompanyDivestedProductLines_lbl" xml:lang="en-US" id="id_7341432_1566112_3_1">Number Of Company Divested Product Lines</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_NumberOfCompanyDivestedProductLines_lbl" xml:lang="en-US" id="id_7341432_1566112_1_1">Number Of Company Divested Product Lines</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_NumberOfCompanyDivestedProductLines_lbl" xml:lang="en-US" id="id_7341432_1566112_2_1">Number of divested products</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="act_NumberOfCompanyDivestedProductLines_lbl" xml:lang="en-US" id="id_7341432_1566112_12_1">Number of products divested</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_NumberOfCompanyDivestedProductLines" xlink:to="act_NumberOfCompanyDivestedProductLines_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NumberOfCountriesInWhichEntityOperates" xlink:label="us-gaap_NumberOfCountriesInWhichEntityOperates"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NumberOfCountriesInWhichEntityOperates_lbl" xml:lang="en-US" id="id_7341432_1279271_1_1">Number of Countries in which Entity Operates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NumberOfCountriesInWhichEntityOperates_lbl" xml:lang="en-US" id="id_7341432_1279271_2_1">Number of operating countries</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NumberOfCountriesInWhichEntityOperates" xlink:to="us-gaap_NumberOfCountriesInWhichEntityOperates_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_NumberOfCountriesRepresentedMoreThanTenPercentOfRevenue" xlink:label="act_NumberOfCountriesRepresentedMoreThanTenPercentOfRevenue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_NumberOfCountriesRepresentedMoreThanTenPercentOfRevenue_lbl" xml:lang="en-US" id="id_7341432_1466516_3_1">Number of countries represented more than ten percent of revenue.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_NumberOfCountriesRepresentedMoreThanTenPercentOfRevenue_lbl" xml:lang="en-US" id="id_7341432_1466516_1_1">Number Of Countries Represented More Than Ten Percent Of Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_NumberOfCountriesRepresentedMoreThanTenPercentOfRevenue_lbl" xml:lang="en-US" id="id_7341432_1466516_2_1">Number of countries that comprised more than ten percent of international net revenues</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_NumberOfCountriesRepresentedMoreThanTenPercentOfRevenue" xlink:to="act_NumberOfCountriesRepresentedMoreThanTenPercentOfRevenue_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_NumberOfLargestCustomersAsPercentageToAccountsReceivable" xlink:label="act_NumberOfLargestCustomersAsPercentageToAccountsReceivable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_NumberOfLargestCustomersAsPercentageToAccountsReceivable_lbl" xml:lang="en-US" id="id_7341432_1356807_3_1">Number of largest customers as percentage to accounts receivable.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_NumberOfLargestCustomersAsPercentageToAccountsReceivable_lbl" xml:lang="en-US" id="id_7341432_1356807_1_1">Number Of Largest Customers As Percentage To Accounts Receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_NumberOfLargestCustomersAsPercentageToAccountsReceivable_lbl" xml:lang="en-US" id="id_7341432_1356807_2_1">Number of largest customers</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_NumberOfLargestCustomersAsPercentageToAccountsReceivable" xlink:to="act_NumberOfLargestCustomersAsPercentageToAccountsReceivable_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_NumberOfPatients" xlink:label="act_NumberOfPatients"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_NumberOfPatients_lbl" xml:lang="en-US" id="id_7341432_1361839_3_1">Number of patients.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_NumberOfPatients_lbl" xml:lang="en-US" id="id_7341432_1361839_1_1">Number Of Patients</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_NumberOfPatients_lbl" xml:lang="en-US" id="id_7341432_1361839_2_1">Number of patients</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_NumberOfPatients" xlink:to="act_NumberOfPatients_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_NumberOfPlaintiffs" xlink:label="act_NumberOfPlaintiffs"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_NumberOfPlaintiffs_lbl" xml:lang="en-US" id="id_7341432_1316685_3_1">Number Of Plaintiffs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_NumberOfPlaintiffs_lbl" xml:lang="en-US" id="id_7341432_1316685_1_1">Number Of Plaintiffs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_NumberOfPlaintiffs_lbl" xml:lang="en-US" id="id_7341432_1316685_2_1">Approximate number of plaintiffs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_NumberOfPlaintiffs" xlink:to="act_NumberOfPlaintiffs_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_NumberOfProducts" xlink:label="act_NumberOfProducts"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_NumberOfProducts_lbl" xml:lang="en-US" id="id_7341432_1534720_3_1">Number Of Products</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_NumberOfProducts_lbl" xml:lang="en-US" id="id_7341432_1534720_1_1">Number Of Products</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_NumberOfProducts_lbl" xml:lang="en-US" id="id_7341432_1534720_2_1">Number of products</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="act_NumberOfProducts_lbl" xml:lang="en-US" id="id_7341432_1534720_12_1">Number of products on which royalty is payable</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_NumberOfProducts" xlink:to="act_NumberOfProducts_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_NumberOfProductsUnderDevelopment" xlink:label="act_NumberOfProductsUnderDevelopment"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_NumberOfProductsUnderDevelopment_lbl" xml:lang="en-US" id="id_7341432_1591897_3_1">Number Of Products Under Development</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_NumberOfProductsUnderDevelopment_lbl" xml:lang="en-US" id="id_7341432_1591897_1_1">Number Of Products Under Development</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_NumberOfProductsUnderDevelopment_lbl" xml:lang="en-US" id="id_7341432_1591897_2_1">Number of product under development</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_NumberOfProductsUnderDevelopment" xlink:to="act_NumberOfProductsUnderDevelopment_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NumberOfReportableSegments" xlink:label="us-gaap_NumberOfReportableSegments"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NumberOfReportableSegments_lbl" xml:lang="en-US" id="id_7341432_1280895_1_1">Number of Reportable Segments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NumberOfReportableSegments_lbl" xml:lang="en-US" id="id_7341432_1280895_2_1">Number of operating segments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NumberOfReportableSegments" xlink:to="us-gaap_NumberOfReportableSegments_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_NumberOfSharesIssuableForContingentEarnout" xlink:label="act_NumberOfSharesIssuableForContingentEarnout"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_NumberOfSharesIssuableForContingentEarnout_lbl" xml:lang="en-US" id="id_7341432_1519467_3_1">Number of shares issuable for contingent earnout.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_NumberOfSharesIssuableForContingentEarnout_lbl" xml:lang="en-US" id="id_7341432_1519467_1_1">Number Of Shares Issuable For Contingent Earnout</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_NumberOfSharesIssuableForContingentEarnout_lbl" xml:lang="en-US" id="id_7341432_1519467_2_1">Issuance of shares associated with Actavis Group contingent earn-out</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_NumberOfSharesIssuableForContingentEarnout" xlink:to="act_NumberOfSharesIssuableForContingentEarnout_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_NumberOfTrials" xlink:label="act_NumberOfTrials"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_NumberOfTrials_lbl" xml:lang="en-US" id="id_7341432_1401638_3_1">Number Of Trials</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_NumberOfTrials_lbl" xml:lang="en-US" id="id_7341432_1401638_1_1">Number Of Trials</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_NumberOfTrials_lbl" xml:lang="en-US" id="id_7341432_1401638_2_1">Number of trials</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_NumberOfTrials" xlink:to="act_NumberOfTrials_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_OnePointEightSevenFivePercentageSeniorNotesDueOctoberOneTwoThousandSeventeenMember" xlink:label="act_OnePointEightSevenFivePercentageSeniorNotesDueOctoberOneTwoThousandSeventeenMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_OnePointEightSevenFivePercentageSeniorNotesDueOctoberOneTwoThousandSeventeenMember_lbl" xml:lang="en-US" id="id_7341432_1411738_3_1">One Point Eight Seven Five Percentage Senior Notes Due October One Two Thousand Seventeen [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_OnePointEightSevenFivePercentageSeniorNotesDueOctoberOneTwoThousandSeventeenMember_lbl" xml:lang="en-US" id="id_7341432_1411738_1_1">One Point Eight Seven Five Percentage Senior Notes Due October One Two Thousand Seventeen [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_OnePointEightSevenFivePercentageSeniorNotesDueOctoberOneTwoThousandSeventeenMember_lbl" xml:lang="en-US" id="id_7341432_1411738_2_1">1.875% Notes Due October 1, 2017 [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_OnePointEightSevenFivePercentageSeniorNotesDueOctoberOneTwoThousandSeventeenMember" xlink:to="act_OnePointEightSevenFivePercentageSeniorNotesDueOctoberOneTwoThousandSeventeenMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_OnePointThreePercentageSeniorNotesDueJuneFifteenTwoThousandSeventeenMember" xlink:label="act_OnePointThreePercentageSeniorNotesDueJuneFifteenTwoThousandSeventeenMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_OnePointThreePercentageSeniorNotesDueJuneFifteenTwoThousandSeventeenMember_lbl" xml:lang="en-US" id="id_7341432_1591930_3_1">One Point Three Percentage Senior Notes Due June Fifteen Two Thousand Seventeen [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_OnePointThreePercentageSeniorNotesDueJuneFifteenTwoThousandSeventeenMember_lbl" xml:lang="en-US" id="id_7341432_1591930_1_1">One Point Three Percentage Senior Notes Due June Fifteen Two Thousand Seventeen [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_OnePointThreePercentageSeniorNotesDueJuneFifteenTwoThousandSeventeenMember_lbl" xml:lang="en-US" id="id_7341432_1591930_2_1">1.3% Notes Due June 15, 2017 [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_OnePointThreePercentageSeniorNotesDueJuneFifteenTwoThousandSeventeenMember" xlink:to="act_OnePointThreePercentageSeniorNotesDueJuneFifteenTwoThousandSeventeenMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingExpenseMember" xlink:label="us-gaap_OperatingExpenseMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingExpenseMember_lbl" xml:lang="en-US" id="id_7341432_1272715_1_1">Operating Expense [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingExpenseMember_lbl" xml:lang="en-US" id="id_7341432_1272715_2_1">Operating Expenses [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingExpenseMember" xlink:to="us-gaap_OperatingExpenseMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="us-gaap_OperatingExpensesAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingExpensesAbstract_lbl" xml:lang="en-US" id="id_7341432_1279274_1_1">Operating Expenses [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingExpensesAbstract_lbl" xml:lang="en-US" id="id_7341432_1279274_2_1">Operating expenses:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingExpensesAbstract" xlink:to="us-gaap_OperatingExpensesAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="us-gaap_OperatingIncomeLoss"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xml:lang="en-US" id="id_7341432_1283121_1_1">Operating Income (Loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xml:lang="en-US" id="id_7341432_1283121_32_1">Operating (loss)/income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveTerseLabel" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xml:lang="en-US" id="id_7341432_1283121_33_1">Operating income / (loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xml:lang="en-US" id="id_7341432_1283121_2_1">Net operating income (losses)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xml:lang="en-US" id="id_7341432_1283121_6_1">Operating (loss) / income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xml:lang="en-US" id="id_7341432_1283121_12_1">Operating (loss)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingIncomeLoss" xlink:to="us-gaap_OperatingIncomeLoss_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl" xml:lang="en-US" id="id_7341432_1283561_1_1">Operating Leases, Future Minimum Payments Due</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl" xml:lang="en-US" id="id_7341432_1283561_6_1">Total minimum lease payments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_lbl" xml:lang="en-US" id="id_7341432_1284896_1_1">Operating Leases, Future Minimum Payments Due, Next Twelve Months</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_lbl" xml:lang="en-US" id="id_7341432_1284896_2_1">2015</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_lbl" xml:lang="en-US" id="id_7341432_1283562_1_1">Operating Leases, Future Minimum Payments, Due in Five Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_lbl" xml:lang="en-US" id="id_7341432_1283562_2_1">2019</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_lbl" xml:lang="en-US" id="id_7341432_1283125_1_1">Operating Leases, Future Minimum Payments, Due in Four Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_lbl" xml:lang="en-US" id="id_7341432_1283125_2_1">2018</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_lbl" xml:lang="en-US" id="id_7341432_1283564_1_1">Operating Leases, Future Minimum Payments, Due in Three Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_lbl" xml:lang="en-US" id="id_7341432_1283564_2_1">2017</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl" xml:lang="en-US" id="id_7341432_1284469_1_1">Operating Leases, Future Minimum Payments, Due in Two Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl" xml:lang="en-US" id="id_7341432_1284469_2_1">2016</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_lbl" xml:lang="en-US" id="id_7341432_1282235_1_1">Operating Leases, Future Minimum Payments, Due Thereafter</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_lbl" xml:lang="en-US" id="id_7341432_1282235_2_1">Thereafter</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingLeasesRentExpenseNet" xlink:label="us-gaap_OperatingLeasesRentExpenseNet"/>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_OperatingMarginPercentage" xlink:label="act_OperatingMarginPercentage"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_OperatingMarginPercentage_lbl" xml:lang="en-US" id="id_7341432_1315997_3_1">Operating Margin Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_OperatingMarginPercentage_lbl" xml:lang="en-US" id="id_7341432_1315997_1_1">Operating Margin Percentage</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingSegmentsMember" xlink:label="us-gaap_OperatingSegmentsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingSegmentsMember_lbl" xml:lang="en-US" id="id_7341432_1271024_1_1">Operating Segments [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OperatingSegmentsMember_lbl" xml:lang="en-US" id="id_7341432_1271024_2_1">Operating Segments [Member]</label>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_OptOutDirectPurchasersMember" xlink:label="act_OptOutDirectPurchasersMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_OptOutDirectPurchasersMember_lbl" xml:lang="en-US" id="id_7341432_1343914_3_1">Opt Out Direct Purchasers [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_OptOutDirectPurchasersMember_lbl" xml:lang="en-US" id="id_7341432_1343914_1_1">Opt Out Direct Purchasers [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_OptOutDirectPurchasersMember_lbl" xml:lang="en-US" id="id_7341432_1343914_2_1">Opt-Out Direct Purchasers [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_OptOutDirectPurchasersMember" xlink:to="act_OptOutDirectPurchasersMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_OralContraceptiveFranchiseMember" xlink:label="act_OralContraceptiveFranchiseMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_OralContraceptiveFranchiseMember_lbl" xml:lang="en-US" id="id_7341432_1297591_3_1">Oral Contraceptive Franchise [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_OralContraceptiveFranchiseMember_lbl" xml:lang="en-US" id="id_7341432_1297591_1_1">Oral Contraceptive Franchise [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_OralContraceptiveFranchiseMember_lbl" xml:lang="en-US" id="id_7341432_1297591_2_1">Oral Contraceptive Franchise [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_OralContraceptiveFranchiseMember" xlink:to="act_OralContraceptiveFranchiseMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_OrdinarySharesRepurchasedAndCancelled" xlink:label="act_OrdinarySharesRepurchasedAndCancelled"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_OrdinarySharesRepurchasedAndCancelled_lbl" xml:lang="en-US" id="id_7341432_1613642_3_1">Ordinary Shares repurchased and cancelled.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_OrdinarySharesRepurchasedAndCancelled_lbl" xml:lang="en-US" id="id_7341432_1613642_1_1">Ordinary Shares repurchased and cancelled</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_OrdinarySharesRepurchasedAndCancelled_lbl" xml:lang="en-US" id="id_7341432_1613642_2_1">Repurchase of Ordinary Shares</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_OrdinarySharesRepurchasedAndCancelled" xlink:to="act_OrdinarySharesRepurchasedAndCancelled_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl" xml:lang="en-US" id="id_7341432_1276020_1_1">Organization, Consolidation and Presentation of Financial Statements [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl" xml:lang="en-US" id="id_7341432_1276020_2_1">Organization, Consolidation and Presentation of Financial Statements [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:to="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_OsteonecrosisOfJawAndAtypicalFracturesOfFemMember" xlink:label="act_OsteonecrosisOfJawAndAtypicalFracturesOfFemMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_OsteonecrosisOfJawAndAtypicalFracturesOfFemMember_lbl" xml:lang="en-US" id="id_7341432_1313473_3_1">Osteonecrosis Of Jaw And Atypical Fractures Of Fem [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_OsteonecrosisOfJawAndAtypicalFracturesOfFemMember_lbl" xml:lang="en-US" id="id_7341432_1313473_1_1">Osteonecrosis Of Jaw And Atypical Fractures Of Fem [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_OsteonecrosisOfJawAndAtypicalFracturesOfFemMember_lbl" xml:lang="en-US" id="id_7341432_1313473_2_1">ONJ and AFF-Related [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_OsteonecrosisOfJawAndAtypicalFracturesOfFemMember" xlink:to="act_OsteonecrosisOfJawAndAtypicalFracturesOfFemMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_OsteonecrosisOfJawMember" xlink:label="act_OsteonecrosisOfJawMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_OsteonecrosisOfJawMember_lbl" xml:lang="en-US" id="id_7341432_1348732_3_1">Osteonecrosis Of Jaw [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_OsteonecrosisOfJawMember_lbl" xml:lang="en-US" id="id_7341432_1348732_1_1">Osteonecrosis Of Jaw [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_OsteonecrosisOfJawMember_lbl" xml:lang="en-US" id="id_7341432_1348732_2_1">ONJ-Related [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_OsteonecrosisOfJawMember" xlink:to="act_OsteonecrosisOfJawMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherAccruedLiabilitiesCurrent" xlink:label="us-gaap_OtherAccruedLiabilitiesCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherAccruedLiabilitiesCurrent_lbl" xml:lang="en-US" id="id_7341432_1283556_1_1">Other Accrued Liabilities, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherAccruedLiabilitiesCurrent_lbl" xml:lang="en-US" id="id_7341432_1283556_2_1">Other accrued expenses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherAccruedLiabilitiesCurrent" xlink:to="us-gaap_OtherAccruedLiabilitiesCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_OtherAcquisitionMember" xlink:label="act_OtherAcquisitionMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_OtherAcquisitionMember_lbl" xml:lang="en-US" id="id_7341432_1368696_3_1">Other Acquisition [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_OtherAcquisitionMember_lbl" xml:lang="en-US" id="id_7341432_1368696_1_1">Other Acquisition [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_OtherAcquisitionMember_lbl" xml:lang="en-US" id="id_7341432_1368696_2_1">Other Acquisition [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_OtherAcquisitionMember" xlink:to="act_OtherAcquisitionMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherAssetsDisclosureTextBlock" xlink:label="us-gaap_OtherAssetsDisclosureTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherAssetsDisclosureTextBlock_lbl" xml:lang="en-US" id="id_7341432_1280913_1_1">Other Assets Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherAssetsDisclosureTextBlock_lbl" xml:lang="en-US" id="id_7341432_1280913_2_1">Other Assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherAssetsDisclosureTextBlock" xlink:to="us-gaap_OtherAssetsDisclosureTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherAssetsMiscellaneousCurrent" xlink:label="us-gaap_OtherAssetsMiscellaneousCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherAssetsMiscellaneousCurrent_lbl" xml:lang="en-US" id="id_7341432_1289138_1_1">Other Assets, Miscellaneous, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherAssetsMiscellaneousCurrent_lbl" xml:lang="en-US" id="id_7341432_1289138_2_1">Other</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherAssetsMiscellaneousCurrent" xlink:to="us-gaap_OtherAssetsMiscellaneousCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="us-gaap_OtherAssetsNoncurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xml:lang="en-US" id="id_7341432_1288618_1_1">Other Assets, Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xml:lang="en-US" id="id_7341432_1288618_2_1">Other assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherAssetsNoncurrent" xlink:to="us-gaap_OtherAssetsNoncurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember" xlink:label="us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_lbl" xml:lang="en-US" id="id_7341432_1272723_1_1">Other Capitalized Property Plant and Equipment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_lbl" xml:lang="en-US" id="id_7341432_1272723_2_1">Other [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember" xlink:to="us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_OtherCNSMember" xlink:label="act_OtherCNSMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_OtherCNSMember_lbl" xml:lang="en-US" id="id_7341432_1592201_3_1">Other C- N- S- [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_OtherCNSMember_lbl" xml:lang="en-US" id="id_7341432_1592201_1_1">Other C- N- S- [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_OtherCNSMember_lbl" xml:lang="en-US" id="id_7341432_1592201_2_1">Other CNS [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_OtherCNSMember" xlink:to="act_OtherCNSMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherCommitmentsAxis" xlink:label="us-gaap_OtherCommitmentsAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherCommitmentsAxis_lbl" xml:lang="en-US" id="id_7341432_1272724_1_1">Other Commitments [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherCommitmentsAxis_lbl" xml:lang="en-US" id="id_7341432_1272724_2_1">Other Commitments [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherCommitmentsAxis" xlink:to="us-gaap_OtherCommitmentsAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherCommitmentsDomain" xlink:label="us-gaap_OtherCommitmentsDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherCommitmentsDomain_lbl" xml:lang="en-US" id="id_7341432_1277655_1_1">Other Commitments [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherCommitmentsDomain_lbl" xml:lang="en-US" id="id_7341432_1277655_2_1">Other Commitments [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherCommitmentsDomain" xlink:to="us-gaap_OtherCommitmentsDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax_lbl" xml:lang="en-US" id="id_7341432_1284016_1_1">Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax_lbl" xml:lang="en-US" id="id_7341432_1284016_2_1">Foreign currency translation (losses) / gains</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax" xlink:to="us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_lbl" xml:lang="en-US" id="id_7341432_1282223_1_1">Other Comprehensive Income (Loss), before Reclassifications, Net of Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_lbl" xml:lang="en-US" id="id_7341432_1282223_2_1">Other comprehensive (loss)/income before reclassifications into general and administrative</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" xlink:to="us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_OtherComprehensiveIncomeLossReclassificationAdjustmentForRealizedGainsLossesIncludedInNetIncomeNetOfTax_lbl" xml:lang="en-US" id="id_7341432_1362147_3_1">Other Comprehensive Income Loss Reclassification Adjustment For Realized Gains Losses Included In Net Income Net Of Tax.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_OtherComprehensiveIncomeLossReclassificationAdjustmentForRealizedGainsLossesIncludedInNetIncomeNetOfTax_lbl" xml:lang="en-US" id="id_7341432_1362147_1_1">Other Comprehensive Income Loss Reclassification Adjustment For Realized Gains Losses Included In Net Income Net Of Tax</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_OtherComprehensiveIncomeLossUnrealizedGainLossNetOfTax_lbl" xml:lang="en-US" id="id_7341432_1425957_3_1">Other Comprehensive Income Loss Unrealized Gain Loss Net Of Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_OtherComprehensiveIncomeLossUnrealizedGainLossNetOfTax_lbl" xml:lang="en-US" id="id_7341432_1425957_1_1">Other Comprehensive Income Loss Unrealized Gain Loss Net Of Tax</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherExpenseMember" xlink:label="us-gaap_OtherExpenseMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherExpenseMember_lbl" xml:lang="en-US" id="id_7341432_1279291_1_1">Other Expense [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherExpenseMember_lbl" xml:lang="en-US" id="id_7341432_1279291_2_1">Other Integration Costs [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherExpenseMember" xlink:to="us-gaap_OtherExpenseMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_OtherFiniteLivedIntangibleAssetsMember" xlink:label="act_OtherFiniteLivedIntangibleAssetsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_OtherFiniteLivedIntangibleAssetsMember_lbl" xml:lang="en-US" id="id_7341432_1414866_3_1">Other finite lived intangible assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_OtherFiniteLivedIntangibleAssetsMember_lbl" xml:lang="en-US" id="id_7341432_1414866_1_1">Other Finite Lived Intangible Assets [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_OtherFiniteLivedIntangibleAssetsMember_lbl" xml:lang="en-US" id="id_7341432_1414866_2_1">Other [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_OtherFiniteLivedIntangibleAssetsMember" xlink:to="act_OtherFiniteLivedIntangibleAssetsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_OtherGastroenterologyMember" xlink:label="act_OtherGastroenterologyMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_OtherGastroenterologyMember_lbl" xml:lang="en-US" id="id_7341432_1592204_3_1">Other Gastroenterology [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_OtherGastroenterologyMember_lbl" xml:lang="en-US" id="id_7341432_1592204_1_1">Other Gastroenterology [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_OtherGastroenterologyMember_lbl" xml:lang="en-US" id="id_7341432_1592204_2_1">Other Gastroenterology [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_OtherGastroenterologyMember" xlink:to="act_OtherGastroenterologyMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherIncomeAndExpensesAbstract_lbl" xml:lang="en-US" id="id_7341432_1272740_1_1">Other Income and Expenses [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherIncomeAndExpensesAbstract_lbl" xml:lang="en-US" id="id_7341432_1272740_2_1">Other Income and Expenses [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherIncomeAndExpensesAbstract" xlink:to="us-gaap_OtherIncomeAndExpensesAbstract_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherIncomeAndOtherExpenseDisclosureTextBlock_lbl" xml:lang="en-US" id="id_7341432_1276035_1_1">Other Income and Other Expense Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherIncomeAndOtherExpenseDisclosureTextBlock_lbl" xml:lang="en-US" id="id_7341432_1276035_2_1">Other Income (Expense)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherIncomeAndOtherExpenseDisclosureTextBlock" xlink:to="us-gaap_OtherIncomeAndOtherExpenseDisclosureTextBlock_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_OtherIncomeExpenseNonoperatingNet_lbl" xml:lang="en-US" id="id_7341432_1421255_1_1">Other Income Expense Nonoperating Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_OtherIncomeExpenseNonoperatingNet_lbl" xml:lang="en-US" id="id_7341432_1421255_2_1">Other</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_OtherIncomeExpenseNonoperatingNet" xlink:to="act_OtherIncomeExpenseNonoperatingNet_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherIntangibleAssetsMember_lbl" xml:lang="en-US" id="id_7341432_1277667_1_1">Other Intangible Assets [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherIntangibleAssetsMember_lbl" xml:lang="en-US" id="id_7341432_1277667_2_1">Other [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherIntangibleAssetsMember" xlink:to="us-gaap_OtherIntangibleAssetsMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_OtherInvestmentMember_lbl" xml:lang="en-US" id="id_7341432_1542958_3_1">Other Investment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_OtherInvestmentMember_lbl" xml:lang="en-US" id="id_7341432_1542958_1_1">Other Investment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_OtherInvestmentMember_lbl" xml:lang="en-US" id="id_7341432_1542958_2_1">Other Investments [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_OtherInvestmentMember" xlink:to="act_OtherInvestmentMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherInvestmentsMember_lbl" xml:lang="en-US" id="id_7341432_1271046_1_1">Other Investments [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherInvestmentsMember_lbl" xml:lang="en-US" id="id_7341432_1271046_2_1">Other [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherInvestmentsMember" xlink:to="us-gaap_OtherInvestmentsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherLaborRelatedExpenses" xlink:label="us-gaap_OtherLaborRelatedExpenses"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherLaborRelatedExpenses_lbl" xml:lang="en-US" id="id_7341432_1285564_1_1">Other Labor-related Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherLaborRelatedExpenses_lbl" xml:lang="en-US" id="id_7341432_1285564_2_1">Other benefits</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherLaborRelatedExpenses" xlink:to="us-gaap_OtherLaborRelatedExpenses_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherLiabilitiesCurrent_lbl" xml:lang="en-US" id="id_7341432_1281714_1_1">Other Liabilities, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherLiabilitiesCurrent_lbl" xml:lang="en-US" id="id_7341432_1281714_2_1">Payable to Parents</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherLiabilitiesCurrent" xlink:to="us-gaap_OtherLiabilitiesCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherLiabilitiesDisclosureAbstract" xlink:label="us-gaap_OtherLiabilitiesDisclosureAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherLiabilitiesDisclosureAbstract_lbl" xml:lang="en-US" id="id_7341432_1274403_1_1">Other Liabilities Disclosure [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherLiabilitiesDisclosureAbstract_lbl" xml:lang="en-US" id="id_7341432_1274403_2_1">Other Liabilities Disclosure [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherLiabilitiesDisclosureAbstract" xlink:to="us-gaap_OtherLiabilitiesDisclosureAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherLiabilitiesDisclosureTextBlock" xlink:label="us-gaap_OtherLiabilitiesDisclosureTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherLiabilitiesDisclosureTextBlock_lbl" xml:lang="en-US" id="id_7341432_1269422_1_1">Other Liabilities Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherLiabilitiesDisclosureTextBlock_lbl" xml:lang="en-US" id="id_7341432_1269422_2_1">Other Long-Term Liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherLiabilitiesDisclosureTextBlock" xlink:to="us-gaap_OtherLiabilitiesDisclosureTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="us-gaap_OtherLiabilitiesNoncurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherLiabilitiesNoncurrent_lbl" xml:lang="en-US" id="id_7341432_1283538_1_1">Other Liabilities, Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherLiabilitiesNoncurrent_lbl" xml:lang="en-US" id="id_7341432_1283538_2_1">Other long-term liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OtherLiabilitiesNoncurrent_lbl" xml:lang="en-US" id="id_7341432_1283538_6_1">Total other long-term liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherLiabilitiesNoncurrent" xlink:to="us-gaap_OtherLiabilitiesNoncurrent_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_OtherNoncashIncomeExpense_lbl" xml:lang="en-US" id="id_7341432_1284439_14_1">Other, net</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherNoncurrentLiabilitiesTableTextBlock" xlink:label="us-gaap_OtherNoncurrentLiabilitiesTableTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherNoncurrentLiabilitiesTableTextBlock_lbl" xml:lang="en-US" id="id_7341432_1272744_1_1">Other Noncurrent Liabilities [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherNoncurrentLiabilitiesTableTextBlock_lbl" xml:lang="en-US" id="id_7341432_1272744_2_1">Summary of Other Long-Term Liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherNoncurrentLiabilitiesTableTextBlock" xlink:to="us-gaap_OtherNoncurrentLiabilitiesTableTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="us-gaap_OtherNonoperatingIncomeExpense"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xml:lang="en-US" id="id_7341432_1284001_1_1">Other Nonoperating Income (Expense)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xml:lang="en-US" id="id_7341432_1284001_2_1">Other income (expense), net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xml:lang="en-US" id="id_7341432_1284001_6_1">Other income (expense)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherNonoperatingIncomeExpense" xlink:to="us-gaap_OtherNonoperatingIncomeExpense_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_OtherNonOperatingIncomeExpenseLineItems" xlink:label="act_OtherNonOperatingIncomeExpenseLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_OtherNonOperatingIncomeExpenseLineItems_lbl" xml:lang="en-US" id="id_7341432_1559648_3_1">Other Non operating Income Expense [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_OtherNonOperatingIncomeExpenseLineItems_lbl" xml:lang="en-US" id="id_7341432_1559648_1_1">Other Non operating Income Expense [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_OtherNonOperatingIncomeExpenseLineItems_lbl" xml:lang="en-US" id="id_7341432_1559648_2_1">Other Non operating Income Expense [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_OtherNonOperatingIncomeExpenseLineItems" xlink:to="act_OtherNonOperatingIncomeExpenseLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherOperatingIncomeExpenseMember" xlink:label="us-gaap_OtherOperatingIncomeExpenseMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherOperatingIncomeExpenseMember_lbl" xml:lang="en-US" id="id_7341432_1276045_1_1">Other Operating Income (Expense) [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherOperatingIncomeExpenseMember_lbl" xml:lang="en-US" id="id_7341432_1276045_2_1">Other Income (Expense) [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherOperatingIncomeExpenseMember" xlink:to="us-gaap_OtherOperatingIncomeExpenseMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" xlink:label="us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_lbl" xml:lang="en-US" id="id_7341432_1271050_1_1">Other Postretirement Benefit Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_lbl" xml:lang="en-US" id="id_7341432_1271050_2_1">Other Postretirement Benefit Plan [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" xlink:to="us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_OtherProductMember" xlink:label="act_OtherProductMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_OtherProductMember_lbl" xml:lang="en-US" id="id_7341432_1547166_3_1">Other Product [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_OtherProductMember_lbl" xml:lang="en-US" id="id_7341432_1547166_1_1">Other Product [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_OtherProductMember_lbl" xml:lang="en-US" id="id_7341432_1547166_2_1">Other CMP Products [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_OtherProductMember" xlink:to="act_OtherProductMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_OtherProductsMember" xlink:label="act_OtherProductsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_OtherProductsMember_lbl" xml:lang="en-US" id="id_7341432_1408323_3_1">Other Products [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_OtherProductsMember_lbl" xml:lang="en-US" id="id_7341432_1408323_1_1">Other Products [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_OtherProductsMember_lbl" xml:lang="en-US" id="id_7341432_1408323_2_1">Other Products [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_OtherProductsMember" xlink:to="act_OtherProductsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherReceivablesNetCurrent" xlink:label="us-gaap_OtherReceivablesNetCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherReceivablesNetCurrent_lbl" xml:lang="en-US" id="id_7341432_1288150_1_1">Other Receivables, Net, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherReceivablesNetCurrent_lbl" xml:lang="en-US" id="id_7341432_1288150_2_1">Receivable from Parents</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherReceivablesNetCurrent" xlink:to="us-gaap_OtherReceivablesNetCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherSalesRevenueNet" xlink:label="us-gaap_OtherSalesRevenueNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherSalesRevenueNet_lbl" xml:lang="en-US" id="id_7341432_1282213_1_1">Other Revenue, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherSalesRevenueNet_lbl" xml:lang="en-US" id="id_7341432_1282213_2_1">Other revenue</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherSalesRevenueNet" xlink:to="us-gaap_OtherSalesRevenueNet_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_OtherTaxesPayableIncludingUncertainPositionsNoncurrent" xlink:label="act_OtherTaxesPayableIncludingUncertainPositionsNoncurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_OtherTaxesPayableIncludingUncertainPositionsNoncurrent_lbl" xml:lang="en-US" id="id_7341432_1501553_3_1">Other non-current taxes payable including uncertain positions.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_OtherTaxesPayableIncludingUncertainPositionsNoncurrent_lbl" xml:lang="en-US" id="id_7341432_1501553_1_1">Other Taxes Payable Including Uncertain Positions, Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_OtherTaxesPayableIncludingUncertainPositionsNoncurrent_lbl" xml:lang="en-US" id="id_7341432_1501553_2_1">Other taxes payable</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_OtherTaxesPayableIncludingUncertainPositionsNoncurrent" xlink:to="act_OtherTaxesPayableIncludingUncertainPositionsNoncurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_OtherWomensHealthMember" xlink:label="act_OtherWomensHealthMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_OtherWomensHealthMember_lbl" xml:lang="en-US" id="id_7341432_1591951_3_1">Other Womens Health [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_OtherWomensHealthMember_lbl" xml:lang="en-US" id="id_7341432_1591951_1_1">Other Womens Health [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_OtherWomensHealthMember_lbl" xml:lang="en-US" id="id_7341432_1591951_2_1">Other Women's Health [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_OtherWomensHealthMember" xlink:to="act_OtherWomensHealthMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_OwnershipPercentageInCostMethodInvestment" xlink:label="act_OwnershipPercentageInCostMethodInvestment"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_OwnershipPercentageInCostMethodInvestment_lbl" xml:lang="en-US" id="id_7341432_1565304_3_1">Ownership Percentage In Cost Method Investment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_OwnershipPercentageInCostMethodInvestment_lbl" xml:lang="en-US" id="id_7341432_1565304_1_1">Ownership Percentage In Cost Method Investment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_OwnershipPercentageInCostMethodInvestment_lbl" xml:lang="en-US" id="id_7341432_1565304_2_1">Ownership percentage in cost method investments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_OwnershipPercentageInCostMethodInvestment" xlink:to="act_OwnershipPercentageInCostMethodInvestment_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ParentCompanyOnlyFinancialInformationLineItems" xlink:label="act_ParentCompanyOnlyFinancialInformationLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ParentCompanyOnlyFinancialInformationLineItems_lbl" xml:lang="en-US" id="id_7341432_1409082_3_1">Parent Company Only Financial Information [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ParentCompanyOnlyFinancialInformationLineItems_lbl" xml:lang="en-US" id="id_7341432_1409082_1_1">Parent Company Only Financial Information [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ParentCompanyOnlyFinancialInformationLineItems_lbl" xml:lang="en-US" id="id_7341432_1409082_2_1">Parent Company Only Financial Information [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ParentCompanyOnlyFinancialInformationLineItems" xlink:to="act_ParentCompanyOnlyFinancialInformationLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_PayableOnNinetiethDayMember" xlink:label="act_PayableOnNinetiethDayMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_PayableOnNinetiethDayMember_lbl" xml:lang="en-US" id="id_7341432_1613819_3_1">Payable On Ninetieth Day [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_PayableOnNinetiethDayMember_lbl" xml:lang="en-US" id="id_7341432_1613819_1_1">Payable On Ninetieth Day [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_PayableOnNinetiethDayMember_lbl" xml:lang="en-US" id="id_7341432_1613819_2_1">Payable on 90 Day [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_PayableOnNinetiethDayMember" xlink:to="act_PayableOnNinetiethDayMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_PayableOnOneHundredEightiethDayMember" xlink:label="act_PayableOnOneHundredEightiethDayMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_PayableOnOneHundredEightiethDayMember_lbl" xml:lang="en-US" id="id_7341432_1613820_3_1">Payable On One Hundred Eightieth Day [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_PayableOnOneHundredEightiethDayMember_lbl" xml:lang="en-US" id="id_7341432_1613820_1_1">Payable On One Hundred Eightieth Day [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_PayableOnOneHundredEightiethDayMember_lbl" xml:lang="en-US" id="id_7341432_1613820_2_1">Payable on 180 Day [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_PayableOnOneHundredEightiethDayMember" xlink:to="act_PayableOnOneHundredEightiethDayMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_PayableOnTwoHundredSeventiethDayMember" xlink:label="act_PayableOnTwoHundredSeventiethDayMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_PayableOnTwoHundredSeventiethDayMember_lbl" xml:lang="en-US" id="id_7341432_1613821_3_1">Payable On Two Hundred Seventieth Day [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_PayableOnTwoHundredSeventiethDayMember_lbl" xml:lang="en-US" id="id_7341432_1613821_1_1">Payable On Two Hundred Seventieth Day [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_PayableOnTwoHundredSeventiethDayMember_lbl" xml:lang="en-US" id="id_7341432_1613821_2_1">Payable on 270 Day [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_PayableOnTwoHundredSeventiethDayMember" xlink:to="act_PayableOnTwoHundredSeventiethDayMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PayablesAndAccrualsAbstract" xlink:label="us-gaap_PayablesAndAccrualsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PayablesAndAccrualsAbstract_lbl" xml:lang="en-US" id="id_7341432_1269445_1_1">Payables and Accruals [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PayablesAndAccrualsAbstract_lbl" xml:lang="en-US" id="id_7341432_1269445_2_1">Payables and Accruals [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PayablesAndAccrualsAbstract" xlink:to="us-gaap_PayablesAndAccrualsAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_PaymentOfContingentConsideration" xlink:label="act_PaymentOfContingentConsideration"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_PaymentOfContingentConsideration_lbl" xml:lang="en-US" id="id_7341432_1341037_3_1">Payment of contingent consideration.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_PaymentOfContingentConsideration_lbl" xml:lang="en-US" id="id_7341432_1341037_1_1">Payment Of Contingent Consideration</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="act_PaymentOfContingentConsideration_lbl" xml:lang="en-US" id="id_7341432_1341037_14_1">Payments of contingent consideration</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_PaymentOfContingentConsideration" xlink:to="act_PaymentOfContingentConsideration_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsForDerivativeInstrumentInvestingActivities" xlink:label="us-gaap_PaymentsForDerivativeInstrumentInvestingActivities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsForDerivativeInstrumentInvestingActivities_lbl" xml:lang="en-US" id="id_7341432_1281705_1_1">Payments for Derivative Instrument, Investing Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsForDerivativeInstrumentInvestingActivities_lbl" xml:lang="en-US" id="id_7341432_1281705_14_1">Investment in foreign exchange derivative</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsForDerivativeInstrumentInvestingActivities" xlink:to="us-gaap_PaymentsForDerivativeInstrumentInvestingActivities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsForLegalSettlements" xlink:label="us-gaap_PaymentsForLegalSettlements"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsForLegalSettlements_lbl" xml:lang="en-US" id="id_7341432_1284835_1_1">Payments for Legal Settlements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PaymentsForLegalSettlements_lbl" xml:lang="en-US" id="id_7341432_1284835_2_1">Payment of legal settlement costs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsForLegalSettlements" xlink:to="us-gaap_PaymentsForLegalSettlements_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:label="us-gaap_PaymentsForProceedsFromOtherInvestingActivities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsForProceedsFromOtherInvestingActivities_lbl" xml:lang="en-US" id="id_7341432_1283975_1_1">Payments for (Proceeds from) Other Investing Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsForProceedsFromOtherInvestingActivities_lbl" xml:lang="en-US" id="id_7341432_1283975_14_1">Other investing activities, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:to="us-gaap_PaymentsForProceedsFromOtherInvestingActivities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" xml:lang="en-US" id="id_7341432_1283978_1_1">Payments for Repurchase of Common Stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" xml:lang="en-US" id="id_7341432_1283978_2_1">Consideration value for stock options issued to employees</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" xml:lang="en-US" id="id_7341432_1283978_14_1">Repurchase of ordinary shares</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:to="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsForRestructuring" xlink:label="us-gaap_PaymentsForRestructuring"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsForRestructuring_lbl" xml:lang="en-US" id="id_7341432_1283087_1_1">Payments for Restructuring</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsForRestructuring_lbl" xml:lang="en-US" id="id_7341432_1283087_14_1">Cash Payments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsForRestructuring" xlink:to="us-gaap_PaymentsForRestructuring_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsOfDebtIssuanceCosts" xlink:label="us-gaap_PaymentsOfDebtIssuanceCosts"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsOfDebtIssuanceCosts_lbl" xml:lang="en-US" id="id_7341432_1283983_1_1">Payments of Debt Issuance Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsOfDebtIssuanceCosts_lbl" xml:lang="en-US" id="id_7341432_1283983_14_1">Debt issuance and other financing costs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsOfDebtIssuanceCosts" xlink:to="us-gaap_PaymentsOfDebtIssuanceCosts_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries" xlink:label="us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries_lbl" xml:lang="en-US" id="id_7341432_1284423_1_1">Payments to Acquire Additional Interest in Subsidiaries</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries_lbl" xml:lang="en-US" id="id_7341432_1284423_14_1">Acquisition of noncontrolling interest</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries" xlink:to="us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesGross" xlink:label="us-gaap_PaymentsToAcquireBusinessesGross"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsToAcquireBusinessesGross_lbl" xml:lang="en-US" id="id_7341432_1283973_1_1">Payments to Acquire Businesses, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="us-gaap_PaymentsToAcquireBusinessesGross_lbl" xml:lang="en-US" id="id_7341432_1283973_32_1">Payments to acquire business, cash</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PaymentsToAcquireBusinessesGross_lbl" xml:lang="en-US" id="id_7341432_1283973_2_1">Acquisition of product rights and inventory</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PaymentsToAcquireBusinessesGross_lbl" xml:lang="en-US" id="id_7341432_1283973_12_1">Business acquisition, purchase consideration cash paid</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireBusinessesGross" xlink:to="us-gaap_PaymentsToAcquireBusinessesGross_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" xml:lang="en-US" id="id_7341432_1283080_1_1">Payments to Acquire Businesses, Net of Cash Acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" xml:lang="en-US" id="id_7341432_1283080_14_1">Acquisitions of business, net of cash acquired</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:to="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_PaymentsToAcquireCostMethodAndOtherLongTermInvestments" xlink:label="act_PaymentsToAcquireCostMethodAndOtherLongTermInvestments"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_PaymentsToAcquireCostMethodAndOtherLongTermInvestments_lbl" xml:lang="en-US" id="id_7341432_1610763_3_1">Payments to acquire cost method and other long term investments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_PaymentsToAcquireCostMethodAndOtherLongTermInvestments_lbl" xml:lang="en-US" id="id_7341432_1610763_1_1">Payments To Acquire Cost Method And Other Long Term Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_PaymentsToAcquireCostMethodAndOtherLongTermInvestments_lbl" xml:lang="en-US" id="id_7341432_1610763_2_1">Cost Method and Other Long-term Investments, Acquired from the Forest Acquisition</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_PaymentsToAcquireCostMethodAndOtherLongTermInvestments" xlink:to="act_PaymentsToAcquireCostMethodAndOtherLongTermInvestments_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsToAcquireEquityMethodInvestments" xlink:label="us-gaap_PaymentsToAcquireEquityMethodInvestments"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsToAcquireEquityMethodInvestments_lbl" xml:lang="en-US" id="id_7341432_1284425_1_1">Payments to Acquire Equity Method Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PaymentsToAcquireEquityMethodInvestments_lbl" xml:lang="en-US" id="id_7341432_1284425_2_1">Equity Method investments, Acquired from the Forest Acquisition</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireEquityMethodInvestments" xlink:to="us-gaap_PaymentsToAcquireEquityMethodInvestments_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsToAcquireIntangibleAssets" xlink:label="us-gaap_PaymentsToAcquireIntangibleAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsToAcquireIntangibleAssets_lbl" xml:lang="en-US" id="id_7341432_1283974_1_1">Payments to Acquire Intangible Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PaymentsToAcquireIntangibleAssets_lbl" xml:lang="en-US" id="id_7341432_1283974_2_1">Milestone payment capitalized as intangible assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsToAcquireIntangibleAssets_lbl" xml:lang="en-US" id="id_7341432_1283974_14_1">Additions to product rights and other intangibles</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireIntangibleAssets" xlink:to="us-gaap_PaymentsToAcquireIntangibleAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsToAcquireInvestments" xlink:label="us-gaap_PaymentsToAcquireInvestments"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsToAcquireInvestments_lbl" xml:lang="en-US" id="id_7341432_1282174_1_1">Payments to Acquire Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsToAcquireInvestments_lbl" xml:lang="en-US" id="id_7341432_1282174_14_1">Additions to marketable securities and other investments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireInvestments" xlink:to="us-gaap_PaymentsToAcquireInvestments_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xml:lang="en-US" id="id_7341432_1284434_1_1">Payments to Acquire Property, Plant, and Equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xml:lang="en-US" id="id_7341432_1284434_14_1">Additions to property plant and equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xml:lang="en-US" id="id_7341432_1284434_18_1">Additions to property, plant and equipment</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:to="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_PendingClaimsAmount" xlink:label="act_PendingClaimsAmount"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_PendingClaimsAmount_lbl" xml:lang="en-US" id="id_7341432_1297052_3_1">Pending Claims Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_PendingClaimsAmount_lbl" xml:lang="en-US" id="id_7341432_1297052_1_1">Pending Claims Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_PendingClaimsAmount_lbl" xml:lang="en-US" id="id_7341432_1297052_2_1">Civil penalties for each alleged false claim and attorneys' fees and costs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_PendingClaimsAmount" xlink:to="act_PendingClaimsAmount_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PendingLitigationMember" xlink:label="us-gaap_PendingLitigationMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PendingLitigationMember_lbl" xml:lang="en-US" id="id_7341432_1276079_1_1">Pending Litigation [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PendingLitigationMember_lbl" xml:lang="en-US" id="id_7341432_1276079_2_1">Pending Litigation [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PendingLitigationMember" xlink:to="us-gaap_PendingLitigationMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xlink:label="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_lbl" xml:lang="en-US" id="id_7341432_1279337_1_1">Pension and Other Postretirement Benefits Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_lbl" xml:lang="en-US" id="id_7341432_1279337_2_1">Pension and Other Postretirement Benefit Plans</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xlink:to="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities" xlink:label="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities_lbl" xml:lang="en-US" id="id_7341432_1283499_1_1">Pension and Other Postretirement Defined Benefit Plans, Current Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities_lbl" xml:lang="en-US" id="id_7341432_1283499_14_1">Current liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities" xlink:to="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent" xlink:label="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent_lbl" xml:lang="en-US" id="id_7341432_1282164_1_1">Pension and Other Postretirement Defined Benefit Plans, Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent_lbl" xml:lang="en-US" id="id_7341432_1282164_2_1">Long-term pension and post retirement liability</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent" xlink:to="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" xlink:label="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_lbl" xml:lang="en-US" id="id_7341432_1284833_1_1">Pension and Other Postretirement Defined Benefit Plans, Liabilities, Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_lbl" xml:lang="en-US" id="id_7341432_1284833_14_1">Noncurrent liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" xlink:to="us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PensionAndOtherPostretirementPlansPolicy" xlink:label="us-gaap_PensionAndOtherPostretirementPlansPolicy"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PensionAndOtherPostretirementPlansPolicy_lbl" xml:lang="en-US" id="id_7341432_1279333_1_1">Pension and Other Postretirement Plans, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PensionAndOtherPostretirementPlansPolicy_lbl" xml:lang="en-US" id="id_7341432_1279333_2_1">Employee Benefits</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PensionAndOtherPostretirementPlansPolicy" xlink:to="us-gaap_PensionAndOtherPostretirementPlansPolicy_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PensionExpense" xlink:label="us-gaap_PensionExpense"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PensionExpense_lbl" xml:lang="en-US" id="id_7341432_1287160_1_1">Pension Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PensionExpense_lbl" xml:lang="en-US" id="id_7341432_1287160_2_1">Pensions</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PensionExpense" xlink:to="us-gaap_PensionExpense_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_PercentageOfGrossAccountsReceivableDueFromLargestCustomers" xlink:label="act_PercentageOfGrossAccountsReceivableDueFromLargestCustomers"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_PercentageOfGrossAccountsReceivableDueFromLargestCustomers_lbl" xml:lang="en-US" id="id_7341432_1613435_3_1">Percentage Of Gross Accounts Receivable Due From Largest Customers</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_PercentageOfGrossAccountsReceivableDueFromLargestCustomers_lbl" xml:lang="en-US" id="id_7341432_1613435_1_1">Percentage Of Gross Accounts Receivable Due From Largest Customers</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_PercentageOfGrossAccountsReceivableDueFromLargestCustomers_lbl" xml:lang="en-US" id="id_7341432_1613435_2_1">Percentage of gross accounts receivable due from largest customers</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_PercentageOfGrossAccountsReceivableDueFromLargestCustomers" xlink:to="act_PercentageOfGrossAccountsReceivableDueFromLargestCustomers_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_PercentageOfOtherIndividualCustomersInRelationToNetRevenue" xlink:label="act_PercentageOfOtherIndividualCustomersInRelationToNetRevenue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_PercentageOfOtherIndividualCustomersInRelationToNetRevenue_lbl" xml:lang="en-US" id="id_7341432_1293594_3_1">Percentage of other individual customers in relation to net revenue.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_PercentageOfOtherIndividualCustomersInRelationToNetRevenue_lbl" xml:lang="en-US" id="id_7341432_1293594_1_1">Percentage Of Other Individual Customers In Relation To Net Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_PercentageOfOtherIndividualCustomersInRelationToNetRevenue_lbl" xml:lang="en-US" id="id_7341432_1293594_2_1">Percentage of other individual customers in relation to net revenues</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_PercentageOfOtherIndividualCustomersInRelationToNetRevenue" xlink:to="act_PercentageOfOtherIndividualCustomersInRelationToNetRevenue_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_PharmatechMember" xlink:label="act_PharmatechMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_PharmatechMember_lbl" xml:lang="en-US" id="id_7341432_1613778_3_1">Pharmatech [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_PharmatechMember_lbl" xml:lang="en-US" id="id_7341432_1613778_2_1">Pharmatech [Member]</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PlanAssetCategoriesDomain" xlink:label="us-gaap_PlanAssetCategoriesDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PlanAssetCategoriesDomain_lbl" xml:lang="en-US" id="id_7341432_1279329_1_1">Plan Asset Categories [Domain]</label>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_PotentialMilestonePayments" xlink:label="act_PotentialMilestonePayments"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_PotentialMilestonePayments_lbl" xml:lang="en-US" id="id_7341432_1564379_3_1">Potential milestone payments.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_PotentialMilestonePayments_lbl" xml:lang="en-US" id="id_7341432_1564379_2_1">Potential milestone payments</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="us-gaap_PreferredStockSharesIssued"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockSharesIssued_lbl" xml:lang="en-US" id="id_7341432_1280980_1_1">Preferred Stock, Shares Issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PreferredStockSharesIssued_lbl" xml:lang="en-US" id="id_7341432_1280980_2_1">Business acquisition, purchase consideration preferred stock shares issued</label>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_PreliminaryFairValueMember" xlink:label="act_PreliminaryFairValueMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_PreliminaryFairValueMember_lbl" xml:lang="en-US" id="id_7341432_1294241_3_1">Preliminary Fair Value [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_PreliminaryFairValueMember_lbl" xml:lang="en-US" id="id_7341432_1294241_1_1">Preliminary Fair Value [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_PreliminaryFairValueMember_lbl" xml:lang="en-US" id="id_7341432_1294241_2_1">Preliminary Values as of September 30, 2014 [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_PreliminaryFairValueMember" xlink:to="act_PreliminaryFairValueMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl" xml:lang="en-US" id="id_7341432_1286123_1_1">Prepaid Expense and Other Assets, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl" xml:lang="en-US" id="id_7341432_1286123_2_1">Prepaid expenses and other current assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl" xml:lang="en-US" id="id_7341432_1286123_6_1">Total prepaid expenses and other current assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:to="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrentAbstract" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrentAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrentAbstract_lbl" xml:lang="en-US" id="id_7341432_1271109_1_1">Prepaid Expense and Other Assets, Current [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrentAbstract_lbl" xml:lang="en-US" id="id_7341432_1271109_2_1">Prepaid Expense and Other Assets, Current [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PrepaidExpenseAndOtherAssetsCurrentAbstract" xlink:to="us-gaap_PrepaidExpenseAndOtherAssetsCurrentAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PrepaidInsurance" xlink:label="us-gaap_PrepaidInsurance"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PrepaidInsurance_lbl" xml:lang="en-US" id="id_7341432_1288667_1_1">Prepaid Insurance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PrepaidInsurance_lbl" xml:lang="en-US" id="id_7341432_1288667_2_1">Prepaid insurance</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PrepaidInsurance" xlink:to="us-gaap_PrepaidInsurance_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PrepaidTaxes" xlink:label="us-gaap_PrepaidTaxes"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PrepaidTaxes_lbl" xml:lang="en-US" id="id_7341432_1288668_1_1">Prepaid Taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PrepaidTaxes_lbl" xml:lang="en-US" id="id_7341432_1288668_2_1">Prepaid income taxes</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PrepaidTaxes" xlink:to="us-gaap_PrepaidTaxes_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PriorPeriodReclassificationAdjustmentDescription" xlink:label="us-gaap_PriorPeriodReclassificationAdjustmentDescription"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PriorPeriodReclassificationAdjustmentDescription_lbl" xml:lang="en-US" id="id_7341432_1280991_1_1">Reclassification, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PriorPeriodReclassificationAdjustmentDescription_lbl" xml:lang="en-US" id="id_7341432_1280991_2_1">Reclassifications</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PriorPeriodReclassificationAdjustmentDescription" xlink:to="us-gaap_PriorPeriodReclassificationAdjustmentDescription_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromDivestitureOfBusinesses" xlink:label="us-gaap_ProceedsFromDivestitureOfBusinesses"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromDivestitureOfBusinesses_lbl" xml:lang="en-US" id="id_7341432_1286650_1_1">Proceeds from Divestiture of Businesses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProceedsFromDivestitureOfBusinesses_lbl" xml:lang="en-US" id="id_7341432_1286650_2_1">Consideration received on sale of divested products</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ProceedsFromDivestitureOfBusinesses_lbl" xml:lang="en-US" id="id_7341432_1286650_12_1">Divestiture of business</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromDivestitureOfBusinesses" xlink:to="us-gaap_ProceedsFromDivestitureOfBusinesses_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested" xlink:label="us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested_lbl" xml:lang="en-US" id="id_7341432_1287669_1_1">Proceeds from Divestiture of Businesses, Net of Cash Divested</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested_lbl" xml:lang="en-US" id="id_7341432_1287669_2_1">Proceeds from sales of divested products</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested" xlink:to="us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:label="us-gaap_ProceedsFromIssuanceOfLongTermDebt"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromIssuanceOfLongTermDebt_lbl" xml:lang="en-US" id="id_7341432_1289189_1_1">Proceeds from Issuance of Long-term Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProceedsFromIssuanceOfLongTermDebt_lbl" xml:lang="en-US" id="id_7341432_1289189_2_1">Proceeds from borrowings of long-term indebtedness</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:to="us-gaap_ProceedsFromIssuanceOfLongTermDebt_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt" xlink:label="us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_lbl" xml:lang="en-US" id="id_7341432_1289190_1_1">Proceeds from Issuance of Other Long-term Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_lbl" xml:lang="en-US" id="id_7341432_1289190_2_1">Proceeds from issuance of long term debt</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt" xlink:to="us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromLinesOfCredit" xlink:label="us-gaap_ProceedsFromLinesOfCredit"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromLinesOfCredit_lbl" xml:lang="en-US" id="id_7341432_1288685_1_1">Proceeds from Lines of Credit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProceedsFromLinesOfCredit_lbl" xml:lang="en-US" id="id_7341432_1288685_2_1">Proceeds from borrowings on credit facility</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromLinesOfCredit" xlink:to="us-gaap_ProceedsFromLinesOfCredit_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities" xlink:label="us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities_lbl" xml:lang="en-US" id="id_7341432_1288195_1_1">Proceeds from Sale and Maturity of Marketable Securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities_lbl" xml:lang="en-US" id="id_7341432_1288195_2_1">Net proceeds from marketable securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities_lbl" xml:lang="en-US" id="id_7341432_1288195_12_1">Proceeds from sales of marketable securities and other investments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities" xlink:to="us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ProceedsFromSaleOfAssetsIncludingIntangiblesAndBusinesses" xlink:label="act_ProceedsFromSaleOfAssetsIncludingIntangiblesAndBusinesses"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ProceedsFromSaleOfAssetsIncludingIntangiblesAndBusinesses_lbl" xml:lang="en-US" id="id_7341432_1591905_3_1">Proceeds From Sale Of Assets Including Intangibles And Businesses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ProceedsFromSaleOfAssetsIncludingIntangiblesAndBusinesses_lbl" xml:lang="en-US" id="id_7341432_1591905_1_1">Proceeds From Sale Of Assets Including Intangibles And Businesses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ProceedsFromSaleOfAssetsIncludingIntangiblesAndBusinesses_lbl" xml:lang="en-US" id="id_7341432_1591905_2_1">Proceeds from sale of assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="act_ProceedsFromSaleOfAssetsIncludingIntangiblesAndBusinesses_lbl" xml:lang="en-US" id="id_7341432_1591905_12_1">Proceeds from sales of assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ProceedsFromSaleOfAssetsIncludingIntangiblesAndBusinesses" xlink:to="act_ProceedsFromSaleOfAssetsIncludingIntangiblesAndBusinesses_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromSaleOfEquityMethodInvestments" xlink:label="us-gaap_ProceedsFromSaleOfEquityMethodInvestments"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromSaleOfEquityMethodInvestments_lbl" xml:lang="en-US" id="id_7341432_1288698_1_1">Proceeds from Sale of Equity Method Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProceedsFromSaleOfEquityMethodInvestments_lbl" xml:lang="en-US" id="id_7341432_1288698_2_1">Sale of minority interest</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromSaleOfEquityMethodInvestments" xlink:to="us-gaap_ProceedsFromSaleOfEquityMethodInvestments_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ProceedsFromSaleOfFacility" xlink:label="act_ProceedsFromSaleOfFacility"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ProceedsFromSaleOfFacility_lbl" xml:lang="en-US" id="id_7341432_1402743_3_1">Proceeds From Sale Of Facility</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ProceedsFromSaleOfFacility_lbl" xml:lang="en-US" id="id_7341432_1402743_1_1">Proceeds From Sale Of Facility</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ProceedsFromSaleOfFacility_lbl" xml:lang="en-US" id="id_7341432_1402743_2_1">Proceeds from sale of manufacturing facility</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ProceedsFromSaleOfFacility" xlink:to="act_ProceedsFromSaleOfFacility_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromSaleOfProductiveAssets" xlink:label="us-gaap_ProceedsFromSaleOfProductiveAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromSaleOfProductiveAssets_lbl" xml:lang="en-US" id="id_7341432_1287677_1_1">Proceeds from Sale of Productive Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProceedsFromSaleOfProductiveAssets_lbl" xml:lang="en-US" id="id_7341432_1287677_2_1">Proceeds from sale of assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromSaleOfProductiveAssets" xlink:to="us-gaap_ProceedsFromSaleOfProductiveAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:label="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_lbl" xml:lang="en-US" id="id_7341432_1287211_1_1">Proceeds from Sale of Property, Plant, and Equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_lbl" xml:lang="en-US" id="id_7341432_1287211_2_1">Proceeds from sales of property, plant and equipment</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:to="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ProceedsFromSaleOfRoyaltyCeased" xlink:label="act_ProceedsFromSaleOfRoyaltyCeased"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ProceedsFromSaleOfRoyaltyCeased_lbl" xml:lang="en-US" id="id_7341432_1591906_3_1">Proceeds From Sale Of Royalty Ceased</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ProceedsFromSaleOfRoyaltyCeased_lbl" xml:lang="en-US" id="id_7341432_1591906_1_1">Proceeds From Sale Of Royalty Ceased</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ProceedsFromSaleOfRoyaltyCeased_lbl" xml:lang="en-US" id="id_7341432_1591906_2_1">Sale of royalties</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ProceedsFromSaleOfRoyaltyCeased" xlink:to="act_ProceedsFromSaleOfRoyaltyCeased_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromStockPlans" xlink:label="us-gaap_ProceedsFromStockPlans"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromStockPlans_lbl" xml:lang="en-US" id="id_7341432_1288204_1_1">Proceeds from Stock Plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProceedsFromStockPlans_lbl" xml:lang="en-US" id="id_7341432_1288204_2_1">Proceeds from stock plans</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromStockPlans" xlink:to="us-gaap_ProceedsFromStockPlans_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ProcterAndGambleAgreementToIndemnifyWarnerChilcottMember" xlink:label="act_ProcterAndGambleAgreementToIndemnifyWarnerChilcottMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ProcterAndGambleAgreementToIndemnifyWarnerChilcottMember_lbl" xml:lang="en-US" id="id_7341432_1437846_3_1">Procter And Gamble Agreement To Indemnify Warner Chilcott [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ProcterAndGambleAgreementToIndemnifyWarnerChilcottMember_lbl" xml:lang="en-US" id="id_7341432_1437846_1_1">Procter And Gamble Agreement To Indemnify Warner Chilcott [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ProcterAndGambleAgreementToIndemnifyWarnerChilcottMember_lbl" xml:lang="en-US" id="id_7341432_1437846_2_1">P&amp;G Agreement to Indemnify Warner Chilcott [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ProcterAndGambleAgreementToIndemnifyWarnerChilcottMember" xlink:to="act_ProcterAndGambleAgreementToIndemnifyWarnerChilcottMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ProcterAndGambleProductsMember" xlink:label="act_ProcterAndGambleProductsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ProcterAndGambleProductsMember_lbl" xml:lang="en-US" id="id_7341432_1374611_3_1">Procter And Gamble Products [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ProcterAndGambleProductsMember_lbl" xml:lang="en-US" id="id_7341432_1374611_1_1">Procter And Gamble Products [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ProcterAndGambleProductsMember_lbl" xml:lang="en-US" id="id_7341432_1374611_2_1">P&amp;G Products [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ProcterAndGambleProductsMember" xlink:to="act_ProcterAndGambleProductsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProductConcentrationRiskMember" xlink:label="us-gaap_ProductConcentrationRiskMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProductConcentrationRiskMember_lbl" xml:lang="en-US" id="id_7341432_1272828_1_1">Product Concentration Risk [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProductConcentrationRiskMember_lbl" xml:lang="en-US" id="id_7341432_1272828_2_1">Product Concentration Risk [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProductConcentrationRiskMember" xlink:to="us-gaap_ProductConcentrationRiskMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProductLiabilityContingencyThirdPartyRecoveryPercentage" xlink:label="us-gaap_ProductLiabilityContingencyThirdPartyRecoveryPercentage"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProductLiabilityContingencyThirdPartyRecoveryPercentage_lbl" xml:lang="en-US" id="id_7341432_1276131_1_1">Product Liability Contingency, Third Party Recovery, Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProductLiabilityContingencyThirdPartyRecoveryPercentage_lbl" xml:lang="en-US" id="id_7341432_1276131_2_1">Product liability contingency loss, percentage</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProductLiabilityContingencyThirdPartyRecoveryPercentage" xlink:to="us-gaap_ProductLiabilityContingencyThirdPartyRecoveryPercentage_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProductOrServiceAxis" xlink:label="us-gaap_ProductOrServiceAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProductOrServiceAxis_lbl" xml:lang="en-US" id="id_7341432_1277733_1_1">Products and Services [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProductOrServiceAxis_lbl" xml:lang="en-US" id="id_7341432_1277733_2_1">Products and Services [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProductOrServiceAxis" xlink:to="us-gaap_ProductOrServiceAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ProductRightsAndOtherRelatedIntangiblesMember" xlink:label="act_ProductRightsAndOtherRelatedIntangiblesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ProductRightsAndOtherRelatedIntangiblesMember_lbl" xml:lang="en-US" id="id_7341432_1569926_3_1">Product Rights And Other Related Intangibles [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ProductRightsAndOtherRelatedIntangiblesMember_lbl" xml:lang="en-US" id="id_7341432_1569926_1_1">Product Rights And Other Related Intangibles [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ProductRightsAndOtherRelatedIntangiblesMember_lbl" xml:lang="en-US" id="id_7341432_1569926_2_1">Product Rights and Other Related Intangibles [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ProductRightsAndOtherRelatedIntangiblesMember" xlink:to="act_ProductRightsAndOtherRelatedIntangiblesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ProductRightsIntangibleAssetsMember" xlink:label="act_ProductRightsIntangibleAssetsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ProductRightsIntangibleAssetsMember_lbl" xml:lang="en-US" id="id_7341432_1592102_3_1">Product rights intangible assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ProductRightsIntangibleAssetsMember_lbl" xml:lang="en-US" id="id_7341432_1592102_1_1">Product Rights Intangible Assets [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ProductRightsIntangibleAssetsMember_lbl" xml:lang="en-US" id="id_7341432_1592102_2_1">Product Rights Intangible Assets [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ProductRightsIntangibleAssetsMember" xlink:to="act_ProductRightsIntangibleAssetsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProductsAndServicesDomain" xlink:label="us-gaap_ProductsAndServicesDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProductsAndServicesDomain_lbl" xml:lang="en-US" id="id_7341432_1281004_1_1">Products and Services [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProductsAndServicesDomain_lbl" xml:lang="en-US" id="id_7341432_1281004_2_1">Products and Services [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProductsAndServicesDomain" xlink:to="us-gaap_ProductsAndServicesDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ProductSupplyAgreementPeriod" xlink:label="act_ProductSupplyAgreementPeriod"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ProductSupplyAgreementPeriod_lbl" xml:lang="en-US" id="id_7341432_1377097_3_1">Product Supply Agreement Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ProductSupplyAgreementPeriod_lbl" xml:lang="en-US" id="id_7341432_1377097_1_1">Product Supply Agreement Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ProductSupplyAgreementPeriod_lbl" xml:lang="en-US" id="id_7341432_1377097_2_1">Product supply agreement period</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ProductSupplyAgreementPeriod" xlink:to="act_ProductSupplyAgreementPeriod_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ProductTransferCostsMember" xlink:label="act_ProductTransferCostsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ProductTransferCostsMember_lbl" xml:lang="en-US" id="id_7341432_1486663_3_1">Product Transfer Costs [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ProductTransferCostsMember_lbl" xml:lang="en-US" id="id_7341432_1486663_1_1">Product Transfer Costs [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ProductTransferCostsMember_lbl" xml:lang="en-US" id="id_7341432_1486663_2_1">Product Transfer Costs [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ProductTransferCostsMember" xlink:to="act_ProductTransferCostsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProfitLoss" xlink:label="us-gaap_ProfitLoss"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProfitLoss_lbl" xml:lang="en-US" id="id_7341432_1282613_1_1">Net Income (Loss), Including Portion Attributable to Noncontrolling Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="us-gaap_ProfitLoss_lbl" xml:lang="en-US" id="id_7341432_1282613_32_1">Net income / (loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProfitLoss_lbl" xml:lang="en-US" id="id_7341432_1282613_2_1">Net (loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_ProfitLoss_lbl" xml:lang="en-US" id="id_7341432_1282613_6_1">Net (loss) / income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ProfitLoss_lbl" xml:lang="en-US" id="id_7341432_1282613_12_1">Net (loss) / income</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProfitLoss" xlink:to="us-gaap_ProfitLoss_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProFormaMember" xlink:label="us-gaap_ProFormaMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProFormaMember_lbl" xml:lang="en-US" id="id_7341432_1274475_1_1">Pro Forma [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProFormaMember_lbl" xml:lang="en-US" id="id_7341432_1274475_2_1">Pro Forma [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProFormaMember" xlink:to="us-gaap_ProFormaMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAbstract" xlink:label="us-gaap_PropertyPlantAndEquipmentAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentAbstract_lbl" xml:lang="en-US" id="id_7341432_1277741_1_1">Property, Plant and Equipment [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentAbstract_lbl" xml:lang="en-US" id="id_7341432_1277741_2_1">Property, Plant and Equipment [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentAbstract" xlink:to="us-gaap_PropertyPlantAndEquipmentAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_PropertyPlantAndEquipmentAccumulatedDepreciationForeignCurrencyTranslationAdjustments" xlink:label="act_PropertyPlantAndEquipmentAccumulatedDepreciationForeignCurrencyTranslationAdjustments"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_PropertyPlantAndEquipmentAccumulatedDepreciationForeignCurrencyTranslationAdjustments_lbl" xml:lang="en-US" id="id_7341432_1496964_3_1">Property Plant And Equipment Accumulated Depreciation Foreign Currency Translation Adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_PropertyPlantAndEquipmentAccumulatedDepreciationForeignCurrencyTranslationAdjustments_lbl" xml:lang="en-US" id="id_7341432_1496964_1_1">Property Plant And Equipment Accumulated Depreciation Foreign Currency Translation Adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_PropertyPlantAndEquipmentAccumulatedDepreciationForeignCurrencyTranslationAdjustments_lbl" xml:lang="en-US" id="id_7341432_1496964_2_1">Currency translation</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_PropertyPlantAndEquipmentAccumulatedDepreciationForeignCurrencyTranslationAdjustments" xlink:to="act_PropertyPlantAndEquipmentAccumulatedDepreciationForeignCurrencyTranslationAdjustments_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAdditions" xlink:label="us-gaap_PropertyPlantAndEquipmentAdditions"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentAdditions_lbl" xml:lang="en-US" id="id_7341432_1288217_1_1">Property, Plant and Equipment, Additions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentAdditions_lbl" xml:lang="en-US" id="id_7341432_1288217_2_1">Additions</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentAdditions" xlink:to="us-gaap_PropertyPlantAndEquipmentAdditions_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_PropertyPlantAndEquipmentAdditionsThroughAcquisitionGross" xlink:label="act_PropertyPlantAndEquipmentAdditionsThroughAcquisitionGross"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_PropertyPlantAndEquipmentAdditionsThroughAcquisitionGross_lbl" xml:lang="en-US" id="id_7341432_1409637_3_1">Property Plant And Equipment Additions Through Acquisition Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_PropertyPlantAndEquipmentAdditionsThroughAcquisitionGross_lbl" xml:lang="en-US" id="id_7341432_1409637_1_1">Property Plant And Equipment Additions Through Acquisition Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_PropertyPlantAndEquipmentAdditionsThroughAcquisitionGross_lbl" xml:lang="en-US" id="id_7341432_1409637_2_1">Additions due to Acquisitions</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_PropertyPlantAndEquipmentAdditionsThroughAcquisitionGross" xlink:to="act_PropertyPlantAndEquipmentAdditionsThroughAcquisitionGross_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xml:lang="en-US" id="id_7341432_1276136_1_1">Property, Plant and Equipment, Type [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xml:lang="en-US" id="id_7341432_1276136_2_1">Property, Plant and Equipment, Type [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:to="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl" xml:lang="en-US" id="id_7341432_1279373_1_1">Property, Plant and Equipment Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl" xml:lang="en-US" id="id_7341432_1279373_2_1">Property, plant and equipment, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:to="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_PropertyPlantAndEquipmentDisposalsTransfersAndImpairments" xlink:label="act_PropertyPlantAndEquipmentDisposalsTransfersAndImpairments"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_PropertyPlantAndEquipmentDisposalsTransfersAndImpairments_lbl" xml:lang="en-US" id="id_7341432_1368388_3_1">Property, Plant and Equipment, Disposals, Transfers And Impairments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_PropertyPlantAndEquipmentDisposalsTransfersAndImpairments_lbl" xml:lang="en-US" id="id_7341432_1368388_1_1">Property, Plant and Equipment, Disposals, Transfers And Impairments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="act_PropertyPlantAndEquipmentDisposalsTransfersAndImpairments_lbl" xml:lang="en-US" id="id_7341432_1368388_14_1">Disposals/transfers/ impairments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="act_PropertyPlantAndEquipmentDisposalsTransfersAndImpairments_lbl" xml:lang="en-US" id="id_7341432_1368388_18_1">Loss on asset sales, impairments and contingent consideration adjustment, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_PropertyPlantAndEquipmentDisposalsTransfersAndImpairments" xlink:to="act_PropertyPlantAndEquipmentDisposalsTransfersAndImpairments_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_PropertyPlantAndEquipmentForeignCurrencyTranslationAdjustments" xlink:label="act_PropertyPlantAndEquipmentForeignCurrencyTranslationAdjustments"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_PropertyPlantAndEquipmentForeignCurrencyTranslationAdjustments_lbl" xml:lang="en-US" id="id_7341432_1527997_3_1">Property Plant And Equipment Foreign Currency Translation Adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_PropertyPlantAndEquipmentForeignCurrencyTranslationAdjustments_lbl" xml:lang="en-US" id="id_7341432_1527997_1_1">Property Plant And Equipment Foreign Currency Translation Adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_PropertyPlantAndEquipmentForeignCurrencyTranslationAdjustments_lbl" xml:lang="en-US" id="id_7341432_1527997_2_1">Currency translation</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_PropertyPlantAndEquipmentForeignCurrencyTranslationAdjustments" xlink:to="act_PropertyPlantAndEquipmentForeignCurrencyTranslationAdjustments_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="us-gaap_PropertyPlantAndEquipmentGross"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xml:lang="en-US" id="id_7341432_1287207_1_1">Property, Plant and Equipment, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xml:lang="en-US" id="id_7341432_1287207_4_1">Cost, ending balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xml:lang="en-US" id="id_7341432_1287207_5_1">Cost, beginning balance</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentGross" xlink:to="us-gaap_PropertyPlantAndEquipmentGross_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems_lbl" xml:lang="en-US" id="id_7341432_1269502_1_1">Property, Plant and Equipment [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems_lbl" xml:lang="en-US" id="id_7341432_1269502_2_1">Property, Plant and Equipment [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="us-gaap_PropertyPlantAndEquipmentLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentMember" xlink:label="us-gaap_PropertyPlantAndEquipmentMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentMember_lbl" xml:lang="en-US" id="id_7341432_1279376_1_1">Property, Plant and Equipment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentMember_lbl" xml:lang="en-US" id="id_7341432_1279376_2_1">Property, Plant and Equipment [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentMember" xlink:to="us-gaap_PropertyPlantAndEquipmentMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="us-gaap_PropertyPlantAndEquipmentNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xml:lang="en-US" id="id_7341432_1285626_1_1">Property, Plant and Equipment, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xml:lang="en-US" id="id_7341432_1285626_2_1">Net book value, balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xml:lang="en-US" id="id_7341432_1285626_12_1">Property, plant and equipment, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentNet" xlink:to="us-gaap_PropertyPlantAndEquipmentNet_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNetByTypeAbstract" xlink:label="us-gaap_PropertyPlantAndEquipmentNetByTypeAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentNetByTypeAbstract_lbl" xml:lang="en-US" id="id_7341432_1269503_1_1">Property, Plant and Equipment, Net, by Type [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentNetByTypeAbstract_lbl" xml:lang="en-US" id="id_7341432_1269503_2_1">Net book value</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentNetByTypeAbstract" xlink:to="us-gaap_PropertyPlantAndEquipmentNetByTypeAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl" xml:lang="en-US" id="id_7341432_1276143_1_1">Property, Plant and Equipment, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl" xml:lang="en-US" id="id_7341432_1276143_2_1">Property, Plant and Equipment</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:to="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl" xml:lang="en-US" id="id_7341432_1281009_1_1">Property, Plant and Equipment [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl" xml:lang="en-US" id="id_7341432_1281009_2_1">Schedule of Property, Plant and Equipment, Net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:to="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" xml:lang="en-US" id="id_7341432_1274491_1_1">Property, Plant and Equipment, Type [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" xml:lang="en-US" id="id_7341432_1274491_2_1">Property, Plant and Equipment, Type [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xml:lang="en-US" id="id_7341432_1276144_1_1">Property, Plant and Equipment, Useful Life</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xml:lang="en-US" id="id_7341432_1276144_2_1">Estimated useful life</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:to="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_PropertyPlantAndEquipmentUsefulLifeAndValuesAbstract" xlink:label="act_PropertyPlantAndEquipmentUsefulLifeAndValuesAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_PropertyPlantAndEquipmentUsefulLifeAndValuesAbstract_lbl" xml:lang="en-US" id="id_7341432_1468839_3_1">Property Plant and Equipment Useful Life And Values [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_PropertyPlantAndEquipmentUsefulLifeAndValuesAbstract_lbl" xml:lang="en-US" id="id_7341432_1468839_1_1">Property Plant and Equipment Useful Life and Values [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_PropertyPlantAndEquipmentUsefulLifeAndValuesAbstract_lbl" xml:lang="en-US" id="id_7341432_1468839_2_1">Property Plant and Equipment Useful Life and Values [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_PropertyPlantAndEquipmentUsefulLifeAndValuesAbstract" xlink:to="act_PropertyPlantAndEquipmentUsefulLifeAndValuesAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_PropoxypheneLitigationMember" xlink:label="act_PropoxypheneLitigationMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_PropoxypheneLitigationMember_lbl" xml:lang="en-US" id="id_7341432_1457962_3_1">Propoxyphene Litigation [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_PropoxypheneLitigationMember_lbl" xml:lang="en-US" id="id_7341432_1457962_1_1">Propoxyphene Litigation [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_PropoxypheneLitigationMember_lbl" xml:lang="en-US" id="id_7341432_1457962_2_1">Propoxyphene Litigation [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_PropoxypheneLitigationMember" xlink:to="act_PropoxypheneLitigationMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="us-gaap_ProvisionForDoubtfulAccounts"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProvisionForDoubtfulAccounts_lbl" xml:lang="en-US" id="id_7341432_1286147_1_1">Provision for Doubtful Accounts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProvisionForDoubtfulAccounts_lbl" xml:lang="en-US" id="id_7341432_1286147_2_1">Increase / (decrease) in allowance for doubtful accounts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ProvisionForDoubtfulAccounts_lbl" xml:lang="en-US" id="id_7341432_1286147_12_1">Increase/(decrease) in allowance for doubtful accounts</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProvisionForDoubtfulAccounts" xlink:to="us-gaap_ProvisionForDoubtfulAccounts_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ProvisionsForSalesReturnsAndAllowancesTableTextBlock" xlink:label="act_ProvisionsForSalesReturnsAndAllowancesTableTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ProvisionsForSalesReturnsAndAllowancesTableTextBlock_lbl" xml:lang="en-US" id="id_7341432_1321386_3_1">Provisions For Sales Returns And Allowances Table [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ProvisionsForSalesReturnsAndAllowancesTableTextBlock_lbl" xml:lang="en-US" id="id_7341432_1321386_1_1">Provisions For Sales Returns And Allowances Table [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ProvisionsForSalesReturnsAndAllowancesTableTextBlock_lbl" xml:lang="en-US" id="id_7341432_1321386_2_1">Provisions for Sales Returns and Allowances</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ProvisionsForSalesReturnsAndAllowancesTableTextBlock" xlink:to="act_ProvisionsForSalesReturnsAndAllowancesTableTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_PunitiveDamagesMember" xlink:label="act_PunitiveDamagesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_PunitiveDamagesMember_lbl" xml:lang="en-US" id="id_7341432_1293058_3_1">Punitive Damages [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_PunitiveDamagesMember_lbl" xml:lang="en-US" id="id_7341432_1293058_1_1">Punitive Damages [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_PunitiveDamagesMember_lbl" xml:lang="en-US" id="id_7341432_1293058_2_1">Punitive Damages [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_PunitiveDamagesMember" xlink:to="act_PunitiveDamagesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_PurchasesOfCommonStockAcquisition" xlink:label="act_PurchasesOfCommonStockAcquisition"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_PurchasesOfCommonStockAcquisition_lbl" xml:lang="en-US" id="id_7341432_1610668_3_1">Purchases Of Common Stock Acquisition</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_PurchasesOfCommonStockAcquisition_lbl" xml:lang="en-US" id="id_7341432_1610668_1_1">Purchases Of Common Stock Acquisition</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_PurchasesOfCommonStockAcquisition_lbl" xml:lang="en-US" id="id_7341432_1610668_2_1">Purchases of common stock</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_PurchasesOfCommonStockAcquisition" xlink:to="act_PurchasesOfCommonStockAcquisition_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_PurchasesOfPreferredStockAcquisitions" xlink:label="act_PurchasesOfPreferredStockAcquisitions"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_PurchasesOfPreferredStockAcquisitions_lbl" xml:lang="en-US" id="id_7341432_1610667_3_1">Purchases Of Preferred Stock Acquisitions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_PurchasesOfPreferredStockAcquisitions_lbl" xml:lang="en-US" id="id_7341432_1610667_1_1">Purchases Of Preferred Stock Acquisitions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_PurchasesOfPreferredStockAcquisitions_lbl" xml:lang="en-US" id="id_7341432_1610667_2_1">Purchases of preferred stock</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_PurchasesOfPreferredStockAcquisitions" xlink:to="act_PurchasesOfPreferredStockAcquisitions_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_QuarterlyFinancialInformationDisclosureAbstract" xlink:label="us-gaap_QuarterlyFinancialInformationDisclosureAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_QuarterlyFinancialInformationDisclosureAbstract_lbl" xml:lang="en-US" id="id_7341432_1277772_1_1">Quarterly Financial Information Disclosure [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_QuarterlyFinancialInformationDisclosureAbstract_lbl" xml:lang="en-US" id="id_7341432_1277772_2_1">Quarterly Financial Information Disclosure [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_QuarterlyFinancialInformationDisclosureAbstract" xlink:to="us-gaap_QuarterlyFinancialInformationDisclosureAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_QuarterlyFinancialInformationTextBlock" xlink:label="us-gaap_QuarterlyFinancialInformationTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_QuarterlyFinancialInformationTextBlock_lbl" xml:lang="en-US" id="id_7341432_1276165_1_1">Quarterly Financial Information [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_QuarterlyFinancialInformationTextBlock_lbl" xml:lang="en-US" id="id_7341432_1276165_2_1">Supplementary Data</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_QuarterlyFinancialInformationTextBlock" xlink:to="us-gaap_QuarterlyFinancialInformationTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_QuarterlyPrincipalPaymentsPercentage" xlink:label="act_QuarterlyPrincipalPaymentsPercentage"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_QuarterlyPrincipalPaymentsPercentage_lbl" xml:lang="en-US" id="id_7341432_1455685_3_1">Quarterly Principal Payments Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_QuarterlyPrincipalPaymentsPercentage_lbl" xml:lang="en-US" id="id_7341432_1455685_1_1">Quarterly Principal Payments Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_QuarterlyPrincipalPaymentsPercentage_lbl" xml:lang="en-US" id="id_7341432_1455685_2_1">Quarterly payable principal percentage</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_QuarterlyPrincipalPaymentsPercentage" xlink:to="act_QuarterlyPrincipalPaymentsPercentage_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_RanbaxyMember" xlink:label="act_RanbaxyMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_RanbaxyMember_lbl" xml:lang="en-US" id="id_7341432_1369099_3_1">Ranbaxy [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_RanbaxyMember_lbl" xml:lang="en-US" id="id_7341432_1369099_1_1">Ranbaxy [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_RanbaxyMember_lbl" xml:lang="en-US" id="id_7341432_1369099_2_1">Ranbaxy [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_RanbaxyMember" xlink:to="act_RanbaxyMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeAxis" xlink:label="us-gaap_RangeAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RangeAxis_lbl" xml:lang="en-US" id="id_7341432_1269523_1_1">Range [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RangeAxis_lbl" xml:lang="en-US" id="id_7341432_1269523_2_1">Range [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RangeAxis" xlink:to="us-gaap_RangeAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeMember" xlink:label="us-gaap_RangeMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RangeMember_lbl" xml:lang="en-US" id="id_7341432_1279402_1_1">Range [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RangeMember_lbl" xml:lang="en-US" id="id_7341432_1279402_2_1">Range [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_RangeMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_RealEstateAcquiredThroughForeclosureUnderForwardPurchaseAgreementsLineItems" xlink:label="act_RealEstateAcquiredThroughForeclosureUnderForwardPurchaseAgreementsLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_RealEstateAcquiredThroughForeclosureUnderForwardPurchaseAgreementsLineItems_lbl" xml:lang="en-US" id="id_7341432_1346401_3_1">Real Estate Acquired Through Foreclosure Under Forward Purchase Agreements [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_RealEstateAcquiredThroughForeclosureUnderForwardPurchaseAgreementsLineItems_lbl" xml:lang="en-US" id="id_7341432_1346401_1_1">Real Estate Acquired Through Foreclosure Under Forward Purchase Agreements [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_RealEstateAcquiredThroughForeclosureUnderForwardPurchaseAgreementsLineItems_lbl" xml:lang="en-US" id="id_7341432_1346401_2_1">Real Estate Acquired Through Foreclosure Under Forward Purchase Agreements [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_RealEstateAcquiredThroughForeclosureUnderForwardPurchaseAgreementsLineItems" xlink:to="act_RealEstateAcquiredThroughForeclosureUnderForwardPurchaseAgreementsLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_Rebates" xlink:label="act_Rebates"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_Rebates_lbl" xml:lang="en-US" id="id_7341432_1429872_3_1">Amount of reduction to gross sales revenue attributable to volume, price and other discounts with customers or the government which limit the sales price of goods or services.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_Rebates_lbl" xml:lang="en-US" id="id_7341432_1429872_1_1">Rebates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_Rebates_lbl" xml:lang="en-US" id="id_7341432_1429872_2_1">Rebates</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_Rebates" xlink:to="act_Rebates_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_RebatesMember" xlink:label="act_RebatesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_RebatesMember_lbl" xml:lang="en-US" id="id_7341432_1404382_3_1">Rebates [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_RebatesMember_lbl" xml:lang="en-US" id="id_7341432_1404382_1_1">Rebates [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_RebatesMember_lbl" xml:lang="en-US" id="id_7341432_1404382_2_1">Rebates [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_RebatesMember" xlink:to="act_RebatesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" xlink:label="us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_lbl" xml:lang="en-US" id="id_7341432_1288226_1_1">Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_lbl" xml:lang="en-US" id="id_7341432_1288226_14_1">Amounts reclassified from accumulated other comprehensive income/(loss) into general and administrative</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" xlink:to="us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_RecognitionOfDeferredTaxAsset" xlink:label="act_RecognitionOfDeferredTaxAsset"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_RecognitionOfDeferredTaxAsset_lbl" xml:lang="en-US" id="id_7341432_1548099_3_1">Deferred tax changes in measurement period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_RecognitionOfDeferredTaxAsset_lbl" xml:lang="en-US" id="id_7341432_1548099_1_1">Recognition of Deferred Tax Asset</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_RecognitionOfDeferredTaxAsset_lbl" xml:lang="en-US" id="id_7341432_1548099_2_1">Recognition of deferred tax asset from the change of goodwill</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_RecognitionOfDeferredTaxAsset" xlink:to="act_RecognitionOfDeferredTaxAsset_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ReconciliationOfGrossToNetProductSalesTableTextBlock" xlink:label="act_ReconciliationOfGrossToNetProductSalesTableTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ReconciliationOfGrossToNetProductSalesTableTextBlock_lbl" xml:lang="en-US" id="id_7341432_1521634_3_1">Reconciliation of Gross to Net Product Sales [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ReconciliationOfGrossToNetProductSalesTableTextBlock_lbl" xml:lang="en-US" id="id_7341432_1521634_1_1">Reconciliation of Gross to Net Product Sales [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ReconciliationOfGrossToNetProductSalesTableTextBlock_lbl" xml:lang="en-US" id="id_7341432_1521634_2_1">Summary of Activity in Gross-to-Net Revenue</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ReconciliationOfGrossToNetProductSalesTableTextBlock" xlink:to="act_ReconciliationOfGrossToNetProductSalesTableTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock" xlink:label="us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock_lbl" xml:lang="en-US" id="id_7341432_1279415_1_1">Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock_lbl" xml:lang="en-US" id="id_7341432_1279415_2_1">Summary of Operating Profit Loss Reconciliation Results of Warner Chilcott Limited to Actavis Plc</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock" xlink:to="us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ReconciliationOfOtherSignificantReconcilingItemsFromSegmentsToConsolidatedTextBlock" xlink:label="us-gaap_ReconciliationOfOtherSignificantReconcilingItemsFromSegmentsToConsolidatedTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ReconciliationOfOtherSignificantReconcilingItemsFromSegmentsToConsolidatedTextBlock_lbl" xml:lang="en-US" id="id_7341432_1279416_1_1">Reconciliation of Other Significant Reconciling Items from Segments to Consolidated [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ReconciliationOfOtherSignificantReconcilingItemsFromSegmentsToConsolidatedTextBlock_lbl" xml:lang="en-US" id="id_7341432_1279416_2_1">Summary of Assets Reconciliation Results of Warner Chilcott Limited to Actavis Plc</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReconciliationOfOtherSignificantReconcilingItemsFromSegmentsToConsolidatedTextBlock" xlink:to="us-gaap_ReconciliationOfOtherSignificantReconcilingItemsFromSegmentsToConsolidatedTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ReconciliationResultsDisclosureTextBlock" xlink:label="act_ReconciliationResultsDisclosureTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ReconciliationResultsDisclosureTextBlock_lbl" xml:lang="en-US" id="id_7341432_1592243_3_1">Reconciliation Results Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ReconciliationResultsDisclosureTextBlock_lbl" xml:lang="en-US" id="id_7341432_1592243_1_1">Reconciliation Results Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ReconciliationResultsDisclosureTextBlock_lbl" xml:lang="en-US" id="id_7341432_1592243_2_1">Reconciliation of Warner Chilcott Limited Results to Actavis plc Results</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ReconciliationResultsDisclosureTextBlock" xlink:to="act_ReconciliationResultsDisclosureTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RegulatedOperationsAbstract" xlink:label="us-gaap_RegulatedOperationsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RegulatedOperationsAbstract_lbl" xml:lang="en-US" id="id_7341432_1272881_1_1">Regulated Operations [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RegulatedOperationsAbstract_lbl" xml:lang="en-US" id="id_7341432_1272881_2_1">Regulated Operations [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RegulatedOperationsAbstract" xlink:to="us-gaap_RegulatedOperationsAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RegulatoryAgencyAxis" xlink:label="us-gaap_RegulatoryAgencyAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RegulatoryAgencyAxis_lbl" xml:lang="en-US" id="id_7341432_1269549_1_1">Regulatory Agency [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RegulatoryAgencyAxis_lbl" xml:lang="en-US" id="id_7341432_1269549_2_1">Regulatory Agency [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RegulatoryAgencyAxis" xlink:to="us-gaap_RegulatoryAgencyAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RegulatoryAgencyDomain" xlink:label="us-gaap_RegulatoryAgencyDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RegulatoryAgencyDomain_lbl" xml:lang="en-US" id="id_7341432_1271185_1_1">Regulatory Agency [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RegulatoryAgencyDomain_lbl" xml:lang="en-US" id="id_7341432_1271185_2_1">Regulatory Agency [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RegulatoryAgencyDomain" xlink:to="us-gaap_RegulatoryAgencyDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_RegulatoryAssetsAbstract" xlink:label="act_RegulatoryAssetsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_RegulatoryAssetsAbstract_lbl" xml:lang="en-US" id="id_7341432_1389970_3_1">Regulatory Assets [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_RegulatoryAssetsAbstract_lbl" xml:lang="en-US" id="id_7341432_1389970_1_1">Regulatory Assets [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_RegulatoryAssetsAbstract_lbl" xml:lang="en-US" id="id_7341432_1389970_2_1">Regulatory Assets [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_RegulatoryAssetsAbstract" xlink:to="act_RegulatoryAssetsAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="us-gaap_RelatedPartyDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RelatedPartyDomain_lbl" xml:lang="en-US" id="id_7341432_1279455_1_1">Related Party [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RelatedPartyDomain_lbl" xml:lang="en-US" id="id_7341432_1279455_2_1">Related Party [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="us-gaap_RelatedPartyDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl" xml:lang="en-US" id="id_7341432_1279431_1_1">Related Party [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl" xml:lang="en-US" id="id_7341432_1279431_2_1">Related Party [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RepaymentsOfDebt" xlink:label="us-gaap_RepaymentsOfDebt"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RepaymentsOfDebt_lbl" xml:lang="en-US" id="id_7341432_1282599_1_1">Repayments of Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RepaymentsOfDebt_lbl" xml:lang="en-US" id="id_7341432_1282599_2_1">Repayment of debt</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RepaymentsOfDebt" xlink:to="us-gaap_RepaymentsOfDebt_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RepaymentsOfDebtAndCapitalLeaseObligations" xlink:label="us-gaap_RepaymentsOfDebtAndCapitalLeaseObligations"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RepaymentsOfDebtAndCapitalLeaseObligations_lbl" xml:lang="en-US" id="id_7341432_1283464_1_1">Repayments of Debt and Capital Lease Obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_RepaymentsOfDebtAndCapitalLeaseObligations_lbl" xml:lang="en-US" id="id_7341432_1283464_14_1">Payments on debt, including capital lease obligations</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RepaymentsOfDebtAndCapitalLeaseObligations" xlink:to="us-gaap_RepaymentsOfDebtAndCapitalLeaseObligations_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ResearchAndDevelopmentArrangementMember" xlink:label="us-gaap_ResearchAndDevelopmentArrangementMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ResearchAndDevelopmentArrangementMember_lbl" xml:lang="en-US" id="id_7341432_1279454_1_1">Research and Development Arrangement [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ResearchAndDevelopmentArrangementMember_lbl" xml:lang="en-US" id="id_7341432_1279454_2_1">Research and Development [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ResearchAndDevelopmentArrangementMember" xlink:to="us-gaap_ResearchAndDevelopmentArrangementMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="us-gaap_ResearchAndDevelopmentExpense"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ResearchAndDevelopmentMember_lbl" xml:lang="en-US" id="id_7341432_1383680_1_1">Research And Development [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ResearchAndDevelopmentMember_lbl" xml:lang="en-US" id="id_7341432_1383680_2_1">Research and Development [Member]</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ResearchAndLaboratoryEquipmentMember" xlink:to="act_ResearchAndLaboratoryEquipmentMember_lbl"/>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ResidualGrowthRate" xlink:label="act_ResidualGrowthRate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ResidualGrowthRate_lbl" xml:lang="en-US" id="id_7341432_1435635_3_1">Residual Growth Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ResidualGrowthRate_lbl" xml:lang="en-US" id="id_7341432_1435635_1_1">Residual Growth Rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ResidualGrowthRate_lbl" xml:lang="en-US" id="id_7341432_1435635_2_1">Residual growth rates</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ResidualGrowthRate" xlink:to="act_ResidualGrowthRate_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_RespiratoryTherapeuticAreaMember" xlink:label="act_RespiratoryTherapeuticAreaMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_RespiratoryTherapeuticAreaMember_lbl" xml:lang="en-US" id="id_7341432_1610755_3_1">Respiratory therapeutic area.</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_RespiratoryTherapeuticAreaMember" xlink:to="act_RespiratoryTherapeuticAreaMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_lbl" xml:lang="en-US" id="id_7341432_1277823_1_1">Cash and Cash Equivalents [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_lbl" xml:lang="en-US" id="id_7341432_1277823_2_1">Cash and Cash Equivalents [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember" xlink:to="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_RestrictedStockAwardsRestrictionsEliminatedPeriod" xlink:label="act_RestrictedStockAwardsRestrictionsEliminatedPeriod"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_RestrictedStockAwardsRestrictionsEliminatedPeriod_lbl" xml:lang="en-US" id="id_7341432_1343214_3_1">Restricted Stock Awards Restrictions Eliminated Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_RestrictedStockAwardsRestrictionsEliminatedPeriod_lbl" xml:lang="en-US" id="id_7341432_1343214_1_1">Restricted Stock Awards Restrictions Eliminated Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_RestrictedStockAwardsRestrictionsEliminatedPeriod_lbl" xml:lang="en-US" id="id_7341432_1343214_2_1">Restricted stock awards restrictions eliminated period</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_RestrictedStockAwardsRestrictionsEliminatedPeriod" xlink:to="act_RestrictedStockAwardsRestrictionsEliminatedPeriod_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="us-gaap_RestrictedStockMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RestrictedStockMember_lbl" xml:lang="en-US" id="id_7341432_1271210_1_1">Restricted Stock [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RestrictedStockMember_lbl" xml:lang="en-US" id="id_7341432_1271210_2_1">Restricted Stock [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestrictedStockMember" xlink:to="us-gaap_RestrictedStockMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:label="us-gaap_RestrictedStockUnitsRSUMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RestrictedStockUnitsRSUMember_lbl" xml:lang="en-US" id="id_7341432_1271212_1_1">Restricted Stock Units (RSUs) [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RestrictedStockUnitsRSUMember_lbl" xml:lang="en-US" id="id_7341432_1271212_2_1">Restricted Stock Units (RSUs) [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestrictedStockUnitsRSUMember" xlink:to="us-gaap_RestrictedStockUnitsRSUMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RestructuringAndRelatedActivitiesAbstract" xlink:label="us-gaap_RestructuringAndRelatedActivitiesAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RestructuringAndRelatedActivitiesAbstract_lbl" xml:lang="en-US" id="id_7341432_1281074_1_1">Restructuring and Related Activities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RestructuringAndRelatedActivitiesAbstract_lbl" xml:lang="en-US" id="id_7341432_1281074_2_1">Restructuring and Related Activities [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestructuringAndRelatedActivitiesAbstract" xlink:to="us-gaap_RestructuringAndRelatedActivitiesAbstract_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock_lbl" xml:lang="en-US" id="id_7341432_1281075_1_1">Restructuring and Related Activities Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock_lbl" xml:lang="en-US" id="id_7341432_1281075_2_1">Business Restructuring Charges</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock" xlink:to="us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RestructuringCharges_lbl" xml:lang="en-US" id="id_7341432_1286183_1_1">Restructuring Charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="us-gaap_RestructuringCharges_lbl" xml:lang="en-US" id="id_7341432_1286183_32_1">Restructuring charges recognized</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RestructuringCharges_lbl" xml:lang="en-US" id="id_7341432_1286183_2_1">Charged to Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_RestructuringCharges_lbl" xml:lang="en-US" id="id_7341432_1286183_12_1">Restructuring charges</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestructuringCharges" xlink:to="us-gaap_RestructuringCharges_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_RestructuringChargesNonCashAdjustments" xlink:label="act_RestructuringChargesNonCashAdjustments"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_RestructuringChargesNonCashAdjustments_lbl" xml:lang="en-US" id="id_7341432_1434028_3_1">Restructuring Charges Non Cash Adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_RestructuringChargesNonCashAdjustments_lbl" xml:lang="en-US" id="id_7341432_1434028_1_1">Restructuring Charges Non Cash Adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_RestructuringChargesNonCashAdjustments_lbl" xml:lang="en-US" id="id_7341432_1434028_2_1">Non-cash Adjustments</label>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_RestructuringChargesRelatedToStockCompensation" xlink:label="act_RestructuringChargesRelatedToStockCompensation"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_RestructuringChargesRelatedToStockCompensation_lbl" xml:lang="en-US" id="id_7341432_1523019_3_1">Restructuring Charges Related to Stock Compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_RestructuringChargesRelatedToStockCompensation_lbl" xml:lang="en-US" id="id_7341432_1523019_1_1">Restructuring Charges Related to Stock Compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_RestructuringChargesRelatedToStockCompensation_lbl" xml:lang="en-US" id="id_7341432_1523019_2_1">Restructuring charges related to stock-based compensation</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_RestructuringChargesRelatedToStockCompensation" xlink:to="act_RestructuringChargesRelatedToStockCompensation_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RestructuringCostAndReserveAxis" xlink:label="us-gaap_RestructuringCostAndReserveAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RestructuringCostAndReserveAxis_lbl" xml:lang="en-US" id="id_7341432_1277830_1_1">Restructuring Type [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RestructuringCostAndReserveAxis_lbl" xml:lang="en-US" id="id_7341432_1277830_2_1">Restructuring Type [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestructuringCostAndReserveAxis" xlink:to="us-gaap_RestructuringCostAndReserveAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RestructuringCostAndReserveLineItems" xlink:label="us-gaap_RestructuringCostAndReserveLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RestructuringCostAndReserveLineItems_lbl" xml:lang="en-US" id="id_7341432_1274563_1_1">Restructuring Cost and Reserve [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RestructuringCostAndReserveLineItems_lbl" xml:lang="en-US" id="id_7341432_1274563_2_1">Restructuring Cost and Reserve [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestructuringCostAndReserveLineItems" xlink:to="us-gaap_RestructuringCostAndReserveLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RestructuringReserve" xlink:label="us-gaap_RestructuringReserve"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RestructuringReserve_lbl" xml:lang="en-US" id="id_7341432_1282122_1_1">Restructuring Reserve</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_RestructuringReserve_lbl" xml:lang="en-US" id="id_7341432_1282122_4_1">Accrual, ending balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_RestructuringReserve_lbl" xml:lang="en-US" id="id_7341432_1282122_5_1">Accrual, beginning balance</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestructuringReserve" xlink:to="us-gaap_RestructuringReserve_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RestructuringReserveCurrent" xlink:label="us-gaap_RestructuringReserveCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RestructuringReserveCurrent_lbl" xml:lang="en-US" id="id_7341432_1282592_1_1">Restructuring Reserve, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RestructuringReserveCurrent_lbl" xml:lang="en-US" id="id_7341432_1282592_2_1">Accrued severance, retention and other shutdown costs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestructuringReserveCurrent" xlink:to="us-gaap_RestructuringReserveCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xml:lang="en-US" id="id_7341432_1283021_1_1">Retained Earnings (Accumulated Deficit)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xml:lang="en-US" id="id_7341432_1283021_2_1">(Accumulated deficit) / retained earnings</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RetainedEarningsAccumulatedDeficit" xlink:to="us-gaap_RetainedEarningsAccumulatedDeficit_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="us-gaap_RetainedEarningsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RetainedEarningsMember_lbl" xml:lang="en-US" id="id_7341432_1269588_1_1">Retained Earnings [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RetainedEarningsMember_lbl" xml:lang="en-US" id="id_7341432_1269588_2_1">(Accumulated Deficit) Retained Earnings [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RetainedEarningsMember" xlink:to="us-gaap_RetainedEarningsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ReturnsAndOtherAllowancesMember" xlink:label="act_ReturnsAndOtherAllowancesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ReturnsAndOtherAllowancesMember_lbl" xml:lang="en-US" id="id_7341432_1337168_3_1">Returns And Other Allowances [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ReturnsAndOtherAllowancesMember_lbl" xml:lang="en-US" id="id_7341432_1337168_1_1">Returns And Other Allowances [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ReturnsAndOtherAllowancesMember_lbl" xml:lang="en-US" id="id_7341432_1337168_2_1">Returns and Other Allowances [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ReturnsAndOtherAllowancesMember" xlink:to="act_ReturnsAndOtherAllowancesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_RevenueCommissionersIrelandAndBermudaMember" xlink:label="act_RevenueCommissionersIrelandAndBermudaMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_RevenueCommissionersIrelandAndBermudaMember_lbl" xml:lang="en-US" id="id_7341432_1613825_3_1">Revenue Commissioners, Ireland And Bermuda [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_RevenueCommissionersIrelandAndBermudaMember_lbl" xml:lang="en-US" id="id_7341432_1613825_1_1">Revenue Commissioners, Ireland And Bermuda [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_RevenueCommissionersIrelandAndBermudaMember_lbl" xml:lang="en-US" id="id_7341432_1613825_2_1">Irish And Bermuda Income Tax Authority [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_RevenueCommissionersIrelandAndBermudaMember" xlink:to="act_RevenueCommissionersIrelandAndBermudaMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RevenueRecognitionPolicyTextBlock" xlink:label="us-gaap_RevenueRecognitionPolicyTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RevenueRecognitionPolicyTextBlock_lbl" xml:lang="en-US" id="id_7341432_1272964_1_1">Revenue Recognition, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RevenueRecognitionPolicyTextBlock_lbl" xml:lang="en-US" id="id_7341432_1272964_2_1">Revenue Recognition Including Multiple-Element Arrangements</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueRecognitionPolicyTextBlock" xlink:to="us-gaap_RevenueRecognitionPolicyTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_RevenueRecognitionSalesReturnsAndAllowancesPolicyTextBlock" xlink:label="act_RevenueRecognitionSalesReturnsAndAllowancesPolicyTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_RevenueRecognitionSalesReturnsAndAllowancesPolicyTextBlock_lbl" xml:lang="en-US" id="id_7341432_1490620_3_1">Disclosure of accounting policy for sales returns and allowances.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_RevenueRecognitionSalesReturnsAndAllowancesPolicyTextBlock_lbl" xml:lang="en-US" id="id_7341432_1490620_1_1">Revenue Recognition Sales Returns And Allowances Policy [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_RevenueRecognitionSalesReturnsAndAllowancesPolicyTextBlock_lbl" xml:lang="en-US" id="id_7341432_1490620_2_1">Provisions for SRAs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_RevenueRecognitionSalesReturnsAndAllowancesPolicyTextBlock" xlink:to="act_RevenueRecognitionSalesReturnsAndAllowancesPolicyTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_Revenues" xlink:label="us-gaap_Revenues"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Revenues_lbl" xml:lang="en-US" id="id_7341432_1284373_1_1">Revenues</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_Revenues_lbl" xml:lang="en-US" id="id_7341432_1284373_2_1">Net Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_Revenues_lbl" xml:lang="en-US" id="id_7341432_1284373_6_1">Net revenues</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_Revenues_lbl" xml:lang="en-US" id="id_7341432_1284373_12_1">Net revenues</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Revenues" xlink:to="us-gaap_Revenues_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_RevenuesByProductPercentage" xlink:label="act_RevenuesByProductPercentage"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_RevenuesByProductPercentage_lbl" xml:lang="en-US" id="id_7341432_1454692_3_1">Revenues By Product Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_RevenuesByProductPercentage_lbl" xml:lang="en-US" id="id_7341432_1454692_1_1">Revenues By Product Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_RevenuesByProductPercentage_lbl" xml:lang="en-US" id="id_7341432_1454692_2_1">Product percentage forming a portion of net revenues</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_RevenuesByProductPercentage" xlink:to="act_RevenuesByProductPercentage_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_RevisedEstimateOfContingentConsideration" xlink:label="act_RevisedEstimateOfContingentConsideration"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_RevisedEstimateOfContingentConsideration_lbl" xml:lang="en-US" id="id_7341432_1494938_3_1">Revised estimate of contingent consideration.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_RevisedEstimateOfContingentConsideration_lbl" xml:lang="en-US" id="id_7341432_1494938_1_1">Revised Estimate Of Contingent Consideration</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_RevisedEstimateOfContingentConsideration_lbl" xml:lang="en-US" id="id_7341432_1494938_2_1">Reversed contingent consideration</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_RevisedEstimateOfContingentConsideration" xlink:to="act_RevisedEstimateOfContingentConsideration_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_RevolverAgreementMember" xlink:label="act_RevolverAgreementMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_RevolverAgreementMember_lbl" xml:lang="en-US" id="id_7341432_1611530_3_1">Revolver Agreement [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_RevolverAgreementMember_lbl" xml:lang="en-US" id="id_7341432_1611530_1_1">Revolver Agreement [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_RevolverAgreementMember_lbl" xml:lang="en-US" id="id_7341432_1611530_2_1">Revolver Agreement [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_RevolverAgreementMember" xlink:to="act_RevolverAgreementMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_RevolverBorrowingsMember" xlink:label="act_RevolverBorrowingsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_RevolverBorrowingsMember_lbl" xml:lang="en-US" id="id_7341432_1550916_3_1">Revolver Borrowings [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_RevolverBorrowingsMember_lbl" xml:lang="en-US" id="id_7341432_1550916_1_1">Revolver Borrowings [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_RevolverBorrowingsMember_lbl" xml:lang="en-US" id="id_7341432_1550916_2_1">Revolver Borrowings [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_RevolverBorrowingsMember" xlink:to="act_RevolverBorrowingsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RevolvingCreditFacilityMember" xlink:label="us-gaap_RevolvingCreditFacilityMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RevolvingCreditFacilityMember_lbl" xml:lang="en-US" id="id_7341432_1281089_1_1">Revolving Credit Facility [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RevolvingCreditFacilityMember_lbl" xml:lang="en-US" id="id_7341432_1281089_2_1">Revolving Credit Facility [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevolvingCreditFacilityMember" xlink:to="us-gaap_RevolvingCreditFacilityMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_RhythmHealthIncMember" xlink:label="act_RhythmHealthIncMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_RhythmHealthIncMember_lbl" xml:lang="en-US" id="id_7341432_1596176_3_1">Rhythm Health Inc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_RhythmHealthIncMember_lbl" xml:lang="en-US" id="id_7341432_1596176_1_1">Rhythm Health Inc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_RhythmHealthIncMember_lbl" xml:lang="en-US" id="id_7341432_1596176_2_1">Rhythm Health, Inc. [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_RhythmHealthIncMember" xlink:to="act_RhythmHealthIncMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_RisedronateFranchiseMember" xlink:label="act_RisedronateFranchiseMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_RisedronateFranchiseMember_lbl" xml:lang="en-US" id="id_7341432_1379371_3_1">Risedronate Franchise [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_RisedronateFranchiseMember_lbl" xml:lang="en-US" id="id_7341432_1379371_1_1">Risedronate Franchise [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_RisedronateFranchiseMember_lbl" xml:lang="en-US" id="id_7341432_1379371_2_1">Risedronate Franchise [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_RisedronateFranchiseMember" xlink:to="act_RisedronateFranchiseMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RisksAndUncertaintiesAbstract" xlink:label="us-gaap_RisksAndUncertaintiesAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RisksAndUncertaintiesAbstract_lbl" xml:lang="en-US" id="id_7341432_1277880_1_1">Risks and Uncertainties [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RisksAndUncertaintiesAbstract_lbl" xml:lang="en-US" id="id_7341432_1277880_2_1">Risks and Uncertainties [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RisksAndUncertaintiesAbstract" xlink:to="us-gaap_RisksAndUncertaintiesAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_RoyaltiesAndSalesAgentPayables" xlink:label="act_RoyaltiesAndSalesAgentPayables"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_RoyaltiesAndSalesAgentPayables_lbl" xml:lang="en-US" id="id_7341432_1452674_3_1">Royalties and sales agent payables.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_RoyaltiesAndSalesAgentPayables_lbl" xml:lang="en-US" id="id_7341432_1452674_1_1">Royalties And Sales Agent Payables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_RoyaltiesAndSalesAgentPayables_lbl" xml:lang="en-US" id="id_7341432_1452674_2_1">Royalties and sales agent payables</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_RoyaltiesAndSalesAgentPayables" xlink:to="act_RoyaltiesAndSalesAgentPayables_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_RoyaltyPeriod" xlink:label="act_RoyaltyPeriod"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_RoyaltyPeriod_lbl" xml:lang="en-US" id="id_7341432_1453760_3_1">Royalty Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_RoyaltyPeriod_lbl" xml:lang="en-US" id="id_7341432_1453760_1_1">Royalty Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_RoyaltyPeriod_lbl" xml:lang="en-US" id="id_7341432_1453760_2_1">Royalty period</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_RoyaltyPeriod" xlink:to="act_RoyaltyPeriod_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_RoyaltyPharmaMember" xlink:label="act_RoyaltyPharmaMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_RoyaltyPharmaMember_lbl" xml:lang="en-US" id="id_7341432_1573334_3_1">Royalty pharma.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_RoyaltyPharmaMember_lbl" xml:lang="en-US" id="id_7341432_1573334_1_1">Royalty Pharma [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_RoyaltyPharmaMember_lbl" xml:lang="en-US" id="id_7341432_1573334_2_1">Royalty Pharm, Inc. [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_RoyaltyPharmaMember" xlink:to="act_RoyaltyPharmaMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/currency/2014/currency-2014-01-31.xsd#currency_RUB" xlink:label="currency_RUB"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="currency_RUB_lbl" xml:lang="en-US" id="id_7341432_1280123_1_1">Russia, Rubles</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="currency_RUB_lbl" xml:lang="en-US" id="id_7341432_1280123_2_1">Russian Rubles [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="currency_RUB" xlink:to="currency_RUB_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_RugbyGroupIncMember" xlink:label="act_RugbyGroupIncMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_RugbyGroupIncMember_lbl" xml:lang="en-US" id="id_7341432_1418285_3_1">Rugby Group Inc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_RugbyGroupIncMember_lbl" xml:lang="en-US" id="id_7341432_1418285_1_1">Rugby Group Inc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_RugbyGroupIncMember_lbl" xml:lang="en-US" id="id_7341432_1418285_2_1">Rugby Group, Inc. [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_RugbyGroupIncMember" xlink:to="act_RugbyGroupIncMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SalariesAndWages" xlink:label="us-gaap_SalariesAndWages"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SalariesAndWages_lbl" xml:lang="en-US" id="id_7341432_1288736_1_1">Compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SalariesAndWages_lbl" xml:lang="en-US" id="id_7341432_1288736_2_1">Wages and salaries</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SalariesAndWages" xlink:to="us-gaap_SalariesAndWages_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_SaleOfAssetsFairValue" xlink:label="act_SaleOfAssetsFairValue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_SaleOfAssetsFairValue_lbl" xml:lang="en-US" id="id_7341432_1591898_3_1">Sale Of Assets Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_SaleOfAssetsFairValue_lbl" xml:lang="en-US" id="id_7341432_1591898_1_1">Sale Of Assets Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_SaleOfAssetsFairValue_lbl" xml:lang="en-US" id="id_7341432_1591898_2_1">Fair value of sale of assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_SaleOfAssetsFairValue" xlink:to="act_SaleOfAssetsFairValue_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SalesDiscountsGoods" xlink:label="us-gaap_SalesDiscountsGoods"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SalesDiscountsGoods_lbl" xml:lang="en-US" id="id_7341432_1288738_1_1">Sales Discounts, Goods</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SalesDiscountsGoods_lbl" xml:lang="en-US" id="id_7341432_1288738_2_1">Cash Discounts</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SalesDiscountsGoods" xlink:to="us-gaap_SalesDiscountsGoods_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_SalesInformationLineItems" xlink:label="act_SalesInformationLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_SalesInformationLineItems_lbl" xml:lang="en-US" id="id_7341432_1484884_3_1">Sales Information [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_SalesInformationLineItems_lbl" xml:lang="en-US" id="id_7341432_1484884_1_1">Sales Information [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_SalesInformationLineItems_lbl" xml:lang="en-US" id="id_7341432_1484884_2_1">Sales Information [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_SalesInformationLineItems" xlink:to="act_SalesInformationLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SalesMember" xlink:label="us-gaap_SalesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SalesMember_lbl" xml:lang="en-US" id="id_7341432_1281097_1_1">Sales [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SalesMember_lbl" xml:lang="en-US" id="id_7341432_1281097_2_1">Revenues [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SalesMember" xlink:to="us-gaap_SalesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_SalesReturnAllowanceIncludedInAccountsPayableAndAccruedLiabilities" xlink:label="act_SalesReturnAllowanceIncludedInAccountsPayableAndAccruedLiabilities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_SalesReturnAllowanceIncludedInAccountsPayableAndAccruedLiabilities_lbl" xml:lang="en-US" id="id_7341432_1341733_3_1">Sales return allowance included in the accounts payable and accrued liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_SalesReturnAllowanceIncludedInAccountsPayableAndAccruedLiabilities_lbl" xml:lang="en-US" id="id_7341432_1341733_1_1">Sales Return Allowance Included In Accounts Payable And Accrued Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_SalesReturnAllowanceIncludedInAccountsPayableAndAccruedLiabilities_lbl" xml:lang="en-US" id="id_7341432_1341733_2_1">Current liabilities within SRA</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_SalesReturnAllowanceIncludedInAccountsPayableAndAccruedLiabilities" xlink:to="act_SalesReturnAllowanceIncludedInAccountsPayableAndAccruedLiabilities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SalesReturnsAndAllowancesGoods" xlink:label="us-gaap_SalesReturnsAndAllowancesGoods"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SalesReturnsAndAllowancesGoods_lbl" xml:lang="en-US" id="id_7341432_1287250_1_1">Sales Returns and Allowances, Goods</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SalesReturnsAndAllowancesGoods_lbl" xml:lang="en-US" id="id_7341432_1287250_2_1">Returns and Other Allowances</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SalesReturnsAndAllowancesGoods" xlink:to="us-gaap_SalesReturnsAndAllowancesGoods_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SalesRevenueGoodsGross" xlink:label="us-gaap_SalesRevenueGoodsGross"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SalesRevenueGoodsGross_lbl" xml:lang="en-US" id="id_7341432_1284772_1_1">Sales Revenue, Goods, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SalesRevenueGoodsGross_lbl" xml:lang="en-US" id="id_7341432_1284772_2_1">Gross Product Sales</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SalesRevenueGoodsGross" xlink:to="us-gaap_SalesRevenueGoodsGross_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SalesRevenueGoodsNet" xlink:label="us-gaap_SalesRevenueGoodsNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SalesRevenueGoodsNet_lbl" xml:lang="en-US" id="id_7341432_1282106_1_1">Sales Revenue, Goods, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SalesRevenueGoodsNet_lbl" xml:lang="en-US" id="id_7341432_1282106_2_1">Net Product Sales</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_SalesRevenueGoodsNet_lbl" xml:lang="en-US" id="id_7341432_1282106_12_1">Product sales</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SalesRevenueGoodsNet" xlink:to="us-gaap_SalesRevenueGoodsNet_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SalesRevenueNetMember" xlink:label="us-gaap_SalesRevenueNetMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SalesRevenueNetMember_lbl" xml:lang="en-US" id="id_7341432_1272910_1_1">Sales Revenue, Net [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SalesRevenueNetMember_lbl" xml:lang="en-US" id="id_7341432_1272910_2_1">Sales Revenue, Net [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SalesRevenueNetMember" xlink:to="us-gaap_SalesRevenueNetMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_SanofiAgreementToIndemnifyWarnerChilcottMember" xlink:label="act_SanofiAgreementToIndemnifyWarnerChilcottMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_SanofiAgreementToIndemnifyWarnerChilcottMember_lbl" xml:lang="en-US" id="id_7341432_1379369_3_1">Sanofi Agreement To Indemnify Warner Chilcott [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_SanofiAgreementToIndemnifyWarnerChilcottMember_lbl" xml:lang="en-US" id="id_7341432_1379369_1_1">Sanofi Agreement To Indemnify Warner Chilcott [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_SanofiAgreementToIndemnifyWarnerChilcottMember_lbl" xml:lang="en-US" id="id_7341432_1379369_2_1">Sanofi Agreement to Indemnify Warner Chilcott [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_SanofiAgreementToIndemnifyWarnerChilcottMember" xlink:to="act_SanofiAgreementToIndemnifyWarnerChilcottMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_SanofiAventisMember" xlink:label="act_SanofiAventisMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_SanofiAventisMember_lbl" xml:lang="en-US" id="id_7341432_1440163_3_1">Sanofi Aventis [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_SanofiAventisMember_lbl" xml:lang="en-US" id="id_7341432_1440163_1_1">Sanofi Aventis [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_SanofiAventisMember_lbl" xml:lang="en-US" id="id_7341432_1440163_2_1">Sanofi Aventis [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_SanofiAventisMember" xlink:to="act_SanofiAventisMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_SanofiMember" xlink:label="act_SanofiMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_SanofiMember_lbl" xml:lang="en-US" id="id_7341432_1515548_3_1">Sanofi [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_SanofiMember_lbl" xml:lang="en-US" id="id_7341432_1515548_1_1">Sanofi [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_SanofiMember_lbl" xml:lang="en-US" id="id_7341432_1515548_2_1">Sanofi [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_SanofiMember" xlink:to="act_SanofiMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_SaphrisMember" xlink:label="act_SaphrisMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_SaphrisMember_lbl" xml:lang="en-US" id="id_7341432_1596155_3_1">Saphris [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_SaphrisMember_lbl" xml:lang="en-US" id="id_7341432_1596155_1_1">Saphris [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_SaphrisMember_lbl" xml:lang="en-US" id="id_7341432_1596155_2_1">Saphris [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_SaphrisMember" xlink:to="act_SaphrisMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_SavellaMember" xlink:label="act_SavellaMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_SavellaMember_lbl" xml:lang="en-US" id="id_7341432_1613361_3_1">Savella [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_SavellaMember_lbl" xml:lang="en-US" id="id_7341432_1613361_1_1">Savella [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_SavellaMember_lbl" xml:lang="en-US" id="id_7341432_1613361_2_1">Savella [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_SavellaMember" xlink:to="act_SavellaMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_SavingsPlanMember" xlink:label="act_SavingsPlanMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_SavingsPlanMember_lbl" xml:lang="en-US" id="id_7341432_1417455_3_1">Savings Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_SavingsPlanMember_lbl" xml:lang="en-US" id="id_7341432_1417455_1_1">Savings Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_SavingsPlanMember_lbl" xml:lang="en-US" id="id_7341432_1417455_2_1">Savings Plans [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_SavingsPlanMember" xlink:to="act_SavingsPlanMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScenarioForecastMember" xlink:label="us-gaap_ScenarioForecastMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScenarioForecastMember_lbl" xml:lang="en-US" id="id_7341432_1271231_1_1">Scenario, Forecast [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ScenarioForecastMember_lbl" xml:lang="en-US" id="id_7341432_1271231_2_1">Scenario, Forecast [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScenarioForecastMember" xlink:to="us-gaap_ScenarioForecastMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="us-gaap_ScenarioUnspecifiedDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScenarioUnspecifiedDomain_lbl" xml:lang="en-US" id="id_7341432_1272914_1_1">Scenario, Unspecified [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ScenarioUnspecifiedDomain_lbl" xml:lang="en-US" id="id_7341432_1272914_2_1">Scenario, Unspecified [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScenarioUnspecifiedDomain" xlink:to="us-gaap_ScenarioUnspecifiedDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ScheduleFiveMember" xlink:label="act_ScheduleFiveMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ScheduleFiveMember_lbl" xml:lang="en-US" id="id_7341432_1592099_3_1">Schedule Five [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ScheduleFiveMember_lbl" xml:lang="en-US" id="id_7341432_1592099_1_1">Schedule Five [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ScheduleFiveMember_lbl" xml:lang="en-US" id="id_7341432_1592099_2_1">Schedule V (C-V) Drug [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ScheduleFiveMember" xlink:to="act_ScheduleFiveMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ScheduleFourMember" xlink:label="act_ScheduleFourMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ScheduleFourMember_lbl" xml:lang="en-US" id="id_7341432_1592098_3_1">Schedule Four [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ScheduleFourMember_lbl" xml:lang="en-US" id="id_7341432_1592098_1_1">Schedule Four [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ScheduleFourMember_lbl" xml:lang="en-US" id="id_7341432_1592098_2_1">Schedule IV (C-IV) Drug [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ScheduleFourMember" xlink:to="act_ScheduleFourMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock" xlink:label="us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock_lbl" xml:lang="en-US" id="id_7341432_1274583_1_1">Schedule of Accrued Liabilities [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock_lbl" xml:lang="en-US" id="id_7341432_1274583_2_1">Summary of Accrued Expenses</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock" xlink:to="us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfAccumulatedBenefitObligationsInExcessOfFairValueOfPlanAssetsTableTextBlock" xlink:label="us-gaap_ScheduleOfAccumulatedBenefitObligationsInExcessOfFairValueOfPlanAssetsTableTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfAccumulatedBenefitObligationsInExcessOfFairValueOfPlanAssetsTableTextBlock_lbl" xml:lang="en-US" id="id_7341432_1271233_1_1">Schedule of Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ScheduleOfAccumulatedBenefitObligationsInExcessOfFairValueOfPlanAssetsTableTextBlock_lbl" xml:lang="en-US" id="id_7341432_1271233_2_1">Schedule of Defined Benefit Plans with Accumulated Benefit Obligation in Excess of Plan Assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfAccumulatedBenefitObligationsInExcessOfFairValueOfPlanAssetsTableTextBlock" xlink:to="us-gaap_ScheduleOfAccumulatedBenefitObligationsInExcessOfFairValueOfPlanAssetsTableTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" xlink:label="us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_lbl" xml:lang="en-US" id="id_7341432_1276270_1_1">Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_lbl" xml:lang="en-US" id="id_7341432_1276270_2_1">Summary of Movements in Accumulated Other Comprehensive (Loss)/ Income</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" xlink:to="us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ScheduleOfReconciliationOfSubsidiaryResultsTable_lbl" xml:lang="en-US" id="id_7341432_1592369_1_1">Schedule Of Reconciliation Of Subsidiary Results [Table]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ScheduleThreeMember_lbl" xml:lang="en-US" id="id_7341432_1592097_1_1">Schedule Three [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ScheduleThreeMember_lbl" xml:lang="en-US" id="id_7341432_1592097_2_1">Schedule III (C-III) Drug [Member]</label>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_SecondAmendedAndRestatedRevolvingCreditAndGuarantyAgreementMember" xlink:label="act_SecondAmendedAndRestatedRevolvingCreditAndGuarantyAgreementMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_SecondAmendedAndRestatedRevolvingCreditAndGuarantyAgreementMember_lbl" xml:lang="en-US" id="id_7341432_1613492_3_1">Second Amended And Restated Revolving Credit And Guaranty Agreement [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_SecondAmendedAndRestatedRevolvingCreditAndGuarantyAgreementMember_lbl" xml:lang="en-US" id="id_7341432_1613492_1_1">Second Amended And Restated Revolving Credit And Guaranty Agreement [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_SecondAmendedAndRestatedRevolvingCreditAndGuarantyAgreementMember_lbl" xml:lang="en-US" id="id_7341432_1613492_2_1">Second Amended and Restated Revolving Credit and Guaranty Agreement [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_SecondAmendedAndRestatedRevolvingCreditAndGuarantyAgreementMember" xlink:to="act_SecondAmendedAndRestatedRevolvingCreditAndGuarantyAgreementMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SegmentDomain_lbl" xml:lang="en-US" id="id_7341432_1281150_2_1">Segments [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentDomain" xlink:to="us-gaap_SegmentDomain_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SegmentGeographicalDomain_lbl" xml:lang="en-US" id="id_7341432_1276336_1_1">Geographical [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SegmentGeographicalDomain_lbl" xml:lang="en-US" id="id_7341432_1276336_2_1">Geographical [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentGeographicalDomain" xlink:to="us-gaap_SegmentGeographicalDomain_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SegmentReportingAbstract_lbl" xml:lang="en-US" id="id_7341432_1279548_1_1">Segment Reporting [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SegmentReportingAbstract_lbl" xml:lang="en-US" id="id_7341432_1279548_2_1">Segment Reporting [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingAbstract" xlink:to="us-gaap_SegmentReportingAbstract_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock_lbl" xml:lang="en-US" id="id_7341432_1271302_1_1">Segment Reporting Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock_lbl" xml:lang="en-US" id="id_7341432_1271302_2_1">Segments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingDisclosureTextBlock" xlink:to="us-gaap_SegmentReportingDisclosureTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="us-gaap_SegmentReportingInformationLineItems"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SegmentReportingInformationLineItems_lbl" xml:lang="en-US" id="id_7341432_1273009_2_1">Segment Reporting Information [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="us-gaap_SegmentReportingInformationLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SelectedQuarterlyFinancialInformationAbstract" xlink:label="us-gaap_SelectedQuarterlyFinancialInformationAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SelectedQuarterlyFinancialInformationAbstract_lbl" xml:lang="en-US" id="id_7341432_1274675_1_1">Selected Quarterly Financial Information [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SelectedQuarterlyFinancialInformationAbstract_lbl" xml:lang="en-US" id="id_7341432_1274675_2_1">Selected Quarterly Financial Information [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SelectedQuarterlyFinancialInformationAbstract" xlink:to="us-gaap_SelectedQuarterlyFinancialInformationAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SellingAndMarketingExpense" xlink:label="us-gaap_SellingAndMarketingExpense"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SellingAndMarketingExpense_lbl" xml:lang="en-US" id="id_7341432_1285680_1_1">Selling and Marketing Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SellingAndMarketingExpense_lbl" xml:lang="en-US" id="id_7341432_1285680_2_1">Selling and marketing</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SellingAndMarketingExpense" xlink:to="us-gaap_SellingAndMarketingExpense_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SellingAndMarketingExpenseMember" xlink:label="us-gaap_SellingAndMarketingExpenseMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SellingAndMarketingExpenseMember_lbl" xml:lang="en-US" id="id_7341432_1277930_1_1">Selling and Marketing Expense [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SellingAndMarketingExpenseMember_lbl" xml:lang="en-US" id="id_7341432_1277930_2_1">Selling and Marketing [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SellingAndMarketingExpenseMember" xlink:to="us-gaap_SellingAndMarketingExpenseMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpensesMember" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpensesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpensesMember_lbl" xml:lang="en-US" id="id_7341432_1274677_1_1">Selling, General and Administrative Expenses [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SellingGeneralAndAdministrativeExpensesMember_lbl" xml:lang="en-US" id="id_7341432_1274677_2_1">Selling, General and Administrative Expenses [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SellingGeneralAndAdministrativeExpensesMember" xlink:to="us-gaap_SellingGeneralAndAdministrativeExpensesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_SellingGeneralAndAdministrativeMember" xlink:label="act_SellingGeneralAndAdministrativeMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_SellingGeneralAndAdministrativeMember_lbl" xml:lang="en-US" id="id_7341432_1427516_3_1">Selling General And Administrative [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_SellingGeneralAndAdministrativeMember_lbl" xml:lang="en-US" id="id_7341432_1427516_1_1">Selling General And Administrative [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_SellingGeneralAndAdministrativeMember_lbl" xml:lang="en-US" id="id_7341432_1427516_2_1">Selling, General and Administrative [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_SellingGeneralAndAdministrativeMember" xlink:to="act_SellingGeneralAndAdministrativeMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SeniorNotes" xlink:label="us-gaap_SeniorNotes"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SeniorNotes_lbl" xml:lang="en-US" id="id_7341432_1282104_1_1">Senior Notes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_SeniorNotes_lbl" xml:lang="en-US" id="id_7341432_1282104_6_1">Senior Notes, net</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_SeniorNotesDueTwoThousandFourteenMember_lbl" xml:lang="en-US" id="id_7341432_1424644_3_1">Senior Notes Due Two Thousand Fourteen [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_SeniorNotesDueTwoThousandFourteenMember_lbl" xml:lang="en-US" id="id_7341432_1424644_1_1">Senior Notes Due Two Thousand Fourteen [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_SeniorNotesDueTwoThousandFourteenMember_lbl" xml:lang="en-US" id="id_7341432_1424644_2_1">Senior Notes Due 2014 [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_SeniorNotesDueTwoThousandFourteenMember" xlink:to="act_SeniorNotesDueTwoThousandFourteenMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_SeniorUnsecuredCreditFacilitiesMember" xlink:label="act_SeniorUnsecuredCreditFacilitiesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_SeniorUnsecuredCreditFacilitiesMember_lbl" xml:lang="en-US" id="id_7341432_1323511_3_1">Senior Unsecured Credit Facilities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_SeniorUnsecuredCreditFacilitiesMember_lbl" xml:lang="en-US" id="id_7341432_1323511_1_1">Senior Unsecured Credit Facilities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_SeniorUnsecuredCreditFacilitiesMember_lbl" xml:lang="en-US" id="id_7341432_1323511_2_1">Senior Unsecured Credit Facilities [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_SeniorUnsecuredCreditFacilitiesMember" xlink:to="act_SeniorUnsecuredCreditFacilitiesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_SettlementPeriod" xlink:label="act_SettlementPeriod"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_SettlementPeriod_lbl" xml:lang="en-US" id="id_7341432_1308182_3_1">Settlement Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_SettlementPeriod_lbl" xml:lang="en-US" id="id_7341432_1308182_1_1">Settlement Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_SettlementPeriod_lbl" xml:lang="en-US" id="id_7341432_1308182_2_1">Foreign currency forward contracts settlement dates</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_SettlementPeriod" xlink:to="act_SettlementPeriod_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_SevenPointSevenFivePercentageSeniorNotesDueSeptemberFifteenTwoThousandEighteenMember" xlink:label="act_SevenPointSevenFivePercentageSeniorNotesDueSeptemberFifteenTwoThousandEighteenMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_SevenPointSevenFivePercentageSeniorNotesDueSeptemberFifteenTwoThousandEighteenMember_lbl" xml:lang="en-US" id="id_7341432_1501347_3_1">Seven Point Seven Five Percentage Senior Notes Due September Fifteen Two Thousand Eighteen [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_SevenPointSevenFivePercentageSeniorNotesDueSeptemberFifteenTwoThousandEighteenMember_lbl" xml:lang="en-US" id="id_7341432_1501347_1_1">Seven Point Seven Five Percentage Senior Notes Due September Fifteen Two Thousand Eighteen [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_SevenPointSevenFivePercentageSeniorNotesDueSeptemberFifteenTwoThousandEighteenMember_lbl" xml:lang="en-US" id="id_7341432_1501347_2_1">7.75% Notes Due September 15, 2018 [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_SevenPointSevenFivePercentageSeniorNotesDueSeptemberFifteenTwoThousandEighteenMember" xlink:to="act_SevenPointSevenFivePercentageSeniorNotesDueSeptemberFifteenTwoThousandEighteenMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_SeveranceAndRetentionMember" xlink:label="act_SeveranceAndRetentionMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_SeveranceAndRetentionMember_lbl" xml:lang="en-US" id="id_7341432_1296767_3_1">Severance And Retention [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_SeveranceAndRetentionMember_lbl" xml:lang="en-US" id="id_7341432_1296767_1_1">Severance And Retention [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_SeveranceAndRetentionMember_lbl" xml:lang="en-US" id="id_7341432_1296767_2_1">Severance and Retention [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_SeveranceAndRetentionMember" xlink:to="act_SeveranceAndRetentionMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="us-gaap_ShareBasedCompensation"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensation_lbl" xml:lang="en-US" id="id_7341432_1288753_1_1">Share-based Compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensation_lbl" xml:lang="en-US" id="id_7341432_1288753_2_1">Share-based compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensation_lbl" xml:lang="en-US" id="id_7341432_1288753_12_1">Share-based compensation expense</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensation" xlink:to="us-gaap_ShareBasedCompensation_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_lbl" xml:lang="en-US" id="id_7341432_1277943_1_1">Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_lbl" xml:lang="en-US" id="id_7341432_1277943_2_1">Stock option exercisable period</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentOtherThanOptionsGrantsInPeriodAggregateGrantDateFairValue" xlink:label="act_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentOtherThanOptionsGrantsInPeriodAggregateGrantDateFairValue"/>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl" xml:lang="en-US" id="id_7341432_1269692_2_1">Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized_lbl" xml:lang="en-US" id="id_7341432_1274711_1_1">Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized_lbl" xml:lang="en-US" id="id_7341432_1274711_2_1">Shares authorized for issuance under equity compensation plans</label>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAcquiredInAcquisitionWeightedAverageExercisePrice" xlink:label="act_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAcquiredInAcquisitionWeightedAverageExercisePrice"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAcquiredInAcquisitionWeightedAverageExercisePrice_lbl" xml:lang="en-US" id="id_7341432_1592227_3_1">Share Based Compensation Arrangement By Share Based Payment Award Options Acquired In Acquisition Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAcquiredInAcquisitionWeightedAverageExercisePrice_lbl" xml:lang="en-US" id="id_7341432_1592227_1_1">Share Based Compensation Arrangement By Share Based Payment Award Options Acquired In Acquisition Weighted Average Exercise Price</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAcquiredInConnectionWithAcquisitionShares_lbl" xml:lang="en-US" id="id_7341432_1592226_3_1">Share Based Compensation Arrangement By Share Based Payment Award Options Acquired In Connection With Acquisition Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAcquiredInConnectionWithAcquisitionShares_lbl" xml:lang="en-US" id="id_7341432_1592226_1_1">Share Based Compensation Arrangement By Share Based Payment Award Options Acquired In Connection With Acquisition Shares</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_lbl" xml:lang="en-US" id="id_7341432_1273037_1_1">Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl" xml:lang="en-US" id="id_7341432_1285691_1_1">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_lbl" xml:lang="en-US" id="id_7341432_1276363_1_1">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber_lbl" xml:lang="en-US" id="id_7341432_1269697_1_1">Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_lbl" xml:lang="en-US" id="id_7341432_1277958_1_1">Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_lbl" xml:lang="en-US" id="id_7341432_1277958_2_1">Weighted Average Exercise Price, Vested and expected to vest</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1_lbl" xml:lang="en-US" id="id_7341432_1269698_1_1">Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1_lbl" xml:lang="en-US" id="id_7341432_1269698_2_1">Weighted Average Remaining Contractual Term (Years), Vested and expected to vest</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_lbl" xml:lang="en-US" id="id_7341432_1274697_2_1">Equity Award [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US" id="id_7341432_1269701_1_1">Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US" id="id_7341432_1269701_14_1">Weighted Average Exercise Price, Exercised</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US" id="id_7341432_1276367_1_1">Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US" id="id_7341432_1276367_14_1">Weighted Average Exercise Price, Cancelled</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US" id="id_7341432_1277960_1_1">Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US" id="id_7341432_1277960_2_1">Weighted Average Exercise Price, Granted</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ShareBasedCompensationExpenseMember" xlink:label="act_ShareBasedCompensationExpenseMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ShareBasedCompensationExpenseMember_lbl" xml:lang="en-US" id="id_7341432_1306855_3_1">Share Based Compensation Expense [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ShareBasedCompensationExpenseMember_lbl" xml:lang="en-US" id="id_7341432_1306855_1_1">Share Based Compensation Expense [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ShareBasedCompensationExpenseMember_lbl" xml:lang="en-US" id="id_7341432_1306855_2_1">Share-Based Compensation Expenses [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ShareBasedCompensationExpenseMember" xlink:to="act_ShareBasedCompensationExpenseMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ShareBasedCompensationMember_lbl" xml:lang="en-US" id="id_7341432_1359259_3_1">Share Based Compensation [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ShareBasedCompensationMember_lbl" xml:lang="en-US" id="id_7341432_1359259_1_1">Share Based Compensation [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ShareBasedCompensationMember_lbl" xml:lang="en-US" id="id_7341432_1359259_2_1">Share-Based Compensation Restructuring Related to Warner Chilcott Acquisition [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ShareBasedCompensationMember" xlink:to="act_ShareBasedCompensationMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ShareBasedCompensationRelatedToAcquisitionsMember_lbl" xml:lang="en-US" id="id_7341432_1610710_3_1">Share Based Compensation Related To Acquisitions [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ShareBasedCompensationRelatedToAcquisitionsMember_lbl" xml:lang="en-US" id="id_7341432_1610710_1_1">Share Based Compensation Related To Acquisitions [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ShareBasedCompensationRelatedToAcquisitionsMember_lbl" xml:lang="en-US" id="id_7341432_1610710_2_1">Share Based Compensation Related To Acquisitions [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ShareBasedCompensationRelatedToAcquisitionsMember" xlink:to="act_ShareBasedCompensationRelatedToAcquisitionsMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_SilomMedicalCompanyMember_lbl" xml:lang="en-US" id="id_7341432_1591882_1_1">Silom Medical Company [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_SilomMedicalCompanyMember_lbl" xml:lang="en-US" id="id_7341432_1591882_2_1">Silom Medical Company [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_SilomMedicalCompanyMember" xlink:to="act_SilomMedicalCompanyMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_SixPointOneTwoFivePercentageSeniorNotesDueAugustFifteenTwoThousandNineteenMember_lbl" xml:lang="en-US" id="id_7341432_1404701_1_1">Six Point One Two Five Percentage Senior Notes Due August Fifteen Two Thousand Nineteen [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_SixPointOneTwoFivePercentageSeniorNotesDueAugustFourteenTwoThousandNineteenMember_lbl" xml:lang="en-US" id="id_7341432_1508769_1_1">Six Point One Two Five Percentage Senior Notes Due August Fourteen Two Thousand Nineteen [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_StatementOfFinancialPositionAbstract_lbl" xml:lang="en-US" id="id_7341432_1271363_2_1">Statement of Financial Position [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfFinancialPositionAbstract" xlink:to="us-gaap_StatementOfFinancialPositionAbstract_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_lbl" xml:lang="en-US" id="id_7341432_1271364_1_1">Statement of Comprehensive Income [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_lbl" xml:lang="en-US" id="id_7341432_1271364_2_1">Statement of Comprehensive Income [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:to="us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract_lbl" xml:lang="en-US" id="id_7341432_1281215_2_1">Statement of Stockholders' Equity [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfStockholdersEquityAbstract" xlink:to="us-gaap_StatementOfStockholdersEquityAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="us-gaap_StatementScenarioAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementScenarioAxis_lbl" xml:lang="en-US" id="id_7341432_1273334_1_1">Scenario [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_StatementScenarioAxis_lbl" xml:lang="en-US" id="id_7341432_1273334_2_1">Scenario [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementScenarioAxis" xlink:to="us-gaap_StatementScenarioAxis_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementTable_lbl" xml:lang="en-US" id="id_7341432_1274733_1_1">Statement [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_StatementTable_lbl" xml:lang="en-US" id="id_7341432_1274733_2_1">Statement [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementTable_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_StLouisMissouriMember" xlink:label="act_StLouisMissouriMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_StLouisMissouriMember_lbl" xml:lang="en-US" id="id_7341432_1367974_3_1">St louis missouri.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_StLouisMissouriMember_lbl" xml:lang="en-US" id="id_7341432_1367974_1_1">St Louis Missouri [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_StLouisMissouriMember_lbl" xml:lang="en-US" id="id_7341432_1367974_2_1">St. Louis, Missouri [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_StLouisMissouriMember" xlink:to="act_StLouisMissouriMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockCompensationPlanMember_lbl" xml:lang="en-US" id="id_7341432_1276426_1_1">Stock Compensation Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_StockCompensationPlanMember_lbl" xml:lang="en-US" id="id_7341432_1276426_2_1">Stock Compensation Plan [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockCompensationPlanMember" xlink:to="us-gaap_StockCompensationPlanMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockholdersEquity_lbl" xml:lang="en-US" id="id_7341432_1283431_1_1">Stockholders' Equity Attributable to Parent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_StockholdersEquity_lbl" xml:lang="en-US" id="id_7341432_1283431_4_1">Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_StockholdersEquity_lbl" xml:lang="en-US" id="id_7341432_1283431_5_1">Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_StockholdersEquity_lbl" xml:lang="en-US" id="id_7341432_1283431_6_1">Total shareholders' equity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_StockholdersEquity_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="us-gaap_StockholdersEquityAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xml:lang="en-US" id="id_7341432_1276413_1_1">Stockholders' Equity Attributable to Parent [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xml:lang="en-US" id="id_7341432_1276413_2_1">Equity:</label>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_StockholdersEquityExcludingPortionAttributableToSubsidiariesNoncontrollingInterestAbstract" xlink:label="act_StockholdersEquityExcludingPortionAttributableToSubsidiariesNoncontrollingInterestAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_StockholdersEquityExcludingPortionAttributableToSubsidiariesNoncontrollingInterestAbstract_lbl" xml:lang="en-US" id="id_7341432_1308117_3_1">Stockholders Equity Excluding Portion Attributable To Subsidiaries Noncontrolling Interest [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_StockholdersEquityExcludingPortionAttributableToSubsidiariesNoncontrollingInterestAbstract_lbl" xml:lang="en-US" id="id_7341432_1308117_1_1">Stockholders Equity Excluding Portion Attributable To Subsidiaries Noncontrolling Interest [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_StockholdersEquityExcludingPortionAttributableToSubsidiariesNoncontrollingInterestAbstract_lbl" xml:lang="en-US" id="id_7341432_1308117_2_1">Stockholders Equity Excluding Portion Attributable To Subsidiaries Noncontrolling Interest [Abstract]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl" xml:lang="en-US" id="id_7341432_1281595_1_1">Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl" xml:lang="en-US" id="id_7341432_1281595_2_1">Total equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl" xml:lang="en-US" id="id_7341432_1281595_6_1">Total equity</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_StockholdersEquityOther_lbl" xml:lang="en-US" id="id_7341432_1288761_14_1">Result of contribution of Actavis, Inc. to Actavis plc</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_StockholdersEquityOtherShares_lbl" xml:lang="en-US" id="id_7341432_1277994_2_1">Result of contribution of Actavis, Inc. to Actavis plc, shares</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_lbl" xml:lang="en-US" id="id_7341432_1282086_2_1">Ordinary shares issued under employee stock plans</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_StocksOptionsMember_lbl" xml:lang="en-US" id="id_7341432_1362217_3_1">Stocks Options [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_StocksOptionsMember_lbl" xml:lang="en-US" id="id_7341432_1362217_2_1">Stock Options [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_StocksOptionsMember" xlink:to="act_StocksOptionsMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_SubjectToExpirationMember_lbl" xml:lang="en-US" id="id_7341432_1386832_3_1">Subject To Expiration [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_SubjectToExpirationMember_lbl" xml:lang="en-US" id="id_7341432_1386832_1_1">Subject To Expiration [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_SubjectToExpirationMember_lbl" xml:lang="en-US" id="id_7341432_1386832_2_1">Subject to Expiration [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_SubjectToExpirationMember" xlink:to="act_SubjectToExpirationMember_lbl"/>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsegmentsAxis" xlink:to="us-gaap_SubsegmentsAxis_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SubsegmentsDomain_lbl" xml:lang="en-US" id="id_7341432_1274754_2_1">Subsegments [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsegmentsDomain" xlink:to="us-gaap_SubsegmentsDomain_lbl"/>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_SubsequentEventLineItems_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SubsequentEventMember_lbl" xml:lang="en-US" id="id_7341432_1273350_2_1">Subsequent Event [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventMember" xlink:to="us-gaap_SubsequentEventMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SubsequentEventsAbstract_lbl" xml:lang="en-US" id="id_7341432_1279606_1_1">Subsequent Events [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SubsequentEventsAbstract_lbl" xml:lang="en-US" id="id_7341432_1279606_2_1">Subsequent Events [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventsAbstract" xlink:to="us-gaap_SubsequentEventsAbstract_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SubsequentEventsTextBlock_lbl" xml:lang="en-US" id="id_7341432_1278000_2_1">Subsequent Events</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SubsequentEventTable_lbl" xml:lang="en-US" id="id_7341432_1273352_2_1">Subsequent Event [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventTable" xlink:to="us-gaap_SubsequentEventTable_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SubsequentEventTypeAxis_lbl" xml:lang="en-US" id="id_7341432_1271378_2_1">Subsequent Event Type [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventTypeAxis" xlink:to="us-gaap_SubsequentEventTypeAxis_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SubsequentEventTypeDomain_lbl" xml:lang="en-US" id="id_7341432_1276407_2_1">Subsequent Event Type [Domain]</label>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_TermLoanAgreementMember" xlink:label="act_TermLoanAgreementMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_TermLoanAgreementMember_lbl" xml:lang="en-US" id="id_7341432_1380270_3_1">Term Loan Agreement [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_TermLoanAgreementMember_lbl" xml:lang="en-US" id="id_7341432_1380270_1_1">Term Loan Agreement [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_TermLoanAgreementMember_lbl" xml:lang="en-US" id="id_7341432_1380270_2_1">Term Loan Credit Agreement [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_TermLoanAgreementMember" xlink:to="act_TermLoanAgreementMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_TermLoanMember" xlink:label="act_TermLoanMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_TermLoanMember_lbl" xml:lang="en-US" id="id_7341432_1562877_3_1">Term Loan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_TermLoanMember_lbl" xml:lang="en-US" id="id_7341432_1562877_1_1">Term Loan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_TermLoanMember_lbl" xml:lang="en-US" id="id_7341432_1562877_2_1">Term Debt [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_TermLoanMember" xlink:to="act_TermLoanMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_TermOfSupplyAgreementDescription" xlink:label="act_TermOfSupplyAgreementDescription"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_TermOfSupplyAgreementDescription_lbl" xml:lang="en-US" id="id_7341432_1591899_3_1">Term Of Supply Agreement Description</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_TermOfSupplyAgreementDescription_lbl" xml:lang="en-US" id="id_7341432_1591899_1_1">Term Of Supply Agreement Description</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_TermOfSupplyAgreementDescription_lbl" xml:lang="en-US" id="id_7341432_1591899_2_1">Term of supply agreement</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_TermOfSupplyAgreementDescription" xlink:to="act_TermOfSupplyAgreementDescription_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TextBlockAbstract" xlink:label="us-gaap_TextBlockAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TextBlockAbstract_lbl" xml:lang="en-US" id="id_7341432_1276429_1_1">Text Block [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_TextBlockAbstract_lbl" xml:lang="en-US" id="id_7341432_1276429_2_1">Text Block [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_TextBlockAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ThreePointEightFivePercentageSeniorNotesDueJuneFifteenTwoThousandTwentyFourMember" xlink:label="act_ThreePointEightFivePercentageSeniorNotesDueJuneFifteenTwoThousandTwentyFourMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ThreePointEightFivePercentageSeniorNotesDueJuneFifteenTwoThousandTwentyFourMember_lbl" xml:lang="en-US" id="id_7341432_1591935_3_1">Three Point Eight Five Percentage Senior Notes Due June Fifteen Two Thousand Twenty Four [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ThreePointEightFivePercentageSeniorNotesDueJuneFifteenTwoThousandTwentyFourMember_lbl" xml:lang="en-US" id="id_7341432_1591935_1_1">Three Point Eight Five Percentage Senior Notes Due June Fifteen Two Thousand Twenty Four [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ThreePointEightFivePercentageSeniorNotesDueJuneFifteenTwoThousandTwentyFourMember_lbl" xml:lang="en-US" id="id_7341432_1591935_2_1">3.85% Notes Due June 15, 2024 [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ThreePointEightFivePercentageSeniorNotesDueJuneFifteenTwoThousandTwentyFourMember" xlink:to="act_ThreePointEightFivePercentageSeniorNotesDueJuneFifteenTwoThousandTwentyFourMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ThreePointTwoFiveZeroPercentageSeniorNotesDueOctoberOneTwoThousandTwentyTwoMember" xlink:label="act_ThreePointTwoFiveZeroPercentageSeniorNotesDueOctoberOneTwoThousandTwentyTwoMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ThreePointTwoFiveZeroPercentageSeniorNotesDueOctoberOneTwoThousandTwentyTwoMember_lbl" xml:lang="en-US" id="id_7341432_1323309_3_1">Three Point Two Five Zero Percentage Senior Notes Due October One Two Thousand Twenty Two [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ThreePointTwoFiveZeroPercentageSeniorNotesDueOctoberOneTwoThousandTwentyTwoMember_lbl" xml:lang="en-US" id="id_7341432_1323309_1_1">Three Point Two Five Zero Percentage Senior Notes Due October One Two Thousand Twenty Two [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ThreePointTwoFiveZeroPercentageSeniorNotesDueOctoberOneTwoThousandTwentyTwoMember_lbl" xml:lang="en-US" id="id_7341432_1323309_2_1">3.250% Notes Due October 1, 2022 [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ThreePointTwoFiveZeroPercentageSeniorNotesDueOctoberOneTwoThousandTwentyTwoMember" xlink:to="act_ThreePointTwoFiveZeroPercentageSeniorNotesDueOctoberOneTwoThousandTwentyTwoMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TradeNamesMember" xlink:label="us-gaap_TradeNamesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TradeNamesMember_lbl" xml:lang="en-US" id="id_7341432_1274781_1_1">Trade Names [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_TradeNamesMember_lbl" xml:lang="en-US" id="id_7341432_1274781_2_1">Trade Name [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TradeNamesMember" xlink:to="us-gaap_TradeNamesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_TradingSymbol" xlink:label="dei_TradingSymbol"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_TradingSymbol_lbl" xml:lang="en-US" id="id_7341432_1269880_1_1">Trading Symbol</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_TradingSymbol_lbl" xml:lang="en-US" id="id_7341432_1269880_2_1">Trading Symbol</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_TradingSymbol" xlink:to="dei_TradingSymbol_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_TrancheFiveMember" xlink:label="act_TrancheFiveMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_TrancheFiveMember_lbl" xml:lang="en-US" id="id_7341432_1302867_3_1">Tranche Five [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_TrancheFiveMember_lbl" xml:lang="en-US" id="id_7341432_1302867_1_1">Tranche Five Member</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_TrancheFiveMember_lbl" xml:lang="en-US" id="id_7341432_1302867_2_1">Five Year Tranche [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_TrancheFiveMember" xlink:to="act_TrancheFiveMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_TrancheThreeMember" xlink:label="act_TrancheThreeMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_TrancheThreeMember_lbl" xml:lang="en-US" id="id_7341432_1577234_3_1">Tranche Three [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_TrancheThreeMember_lbl" xml:lang="en-US" id="id_7341432_1577234_1_1">Tranche Three [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_TrancheThreeMember_lbl" xml:lang="en-US" id="id_7341432_1577234_2_1">Three Year Tranche [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_TrancheThreeMember" xlink:to="act_TrancheThreeMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_lbl" xml:lang="en-US" id="id_7341432_1279916_1_1">Financial Instruments [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_lbl" xml:lang="en-US" id="id_7341432_1279916_2_1">Financial Instruments [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_TransferToFixedAssetsHeldForSale" xlink:label="act_TransferToFixedAssetsHeldForSale"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_TransferToFixedAssetsHeldForSale_lbl" xml:lang="en-US" id="id_7341432_1508149_3_1">Gross amount of long-lived assets that are held for sale apart from normal operations and anticipated to be sold in less than one year.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_TransferToFixedAssetsHeldForSale_lbl" xml:lang="en-US" id="id_7341432_1508149_1_1">Transfer To Fixed Assets Held For Sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="act_TransferToFixedAssetsHeldForSale_lbl" xml:lang="en-US" id="id_7341432_1508149_14_1">Transfer to assets held for sale</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_TransferToFixedAssetsHeldForSale" xlink:to="act_TransferToFixedAssetsHeldForSale_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TransportationEquipmentMember" xlink:label="us-gaap_TransportationEquipmentMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TransportationEquipmentMember_lbl" xml:lang="en-US" id="id_7341432_1281502_1_1">Transportation Equipment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_TransportationEquipmentMember_lbl" xml:lang="en-US" id="id_7341432_1281502_2_1">Transportation [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TransportationEquipmentMember" xlink:to="us-gaap_TransportationEquipmentMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TreasuryStockMember" xlink:label="us-gaap_TreasuryStockMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TreasuryStockMember_lbl" xml:lang="en-US" id="id_7341432_1273409_1_1">Treasury Stock [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_TreasuryStockMember_lbl" xml:lang="en-US" id="id_7341432_1273409_2_1">Treasury Shares [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockMember" xlink:to="us-gaap_TreasuryStockMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TreasuryStockShares" xlink:label="us-gaap_TreasuryStockShares"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TreasuryStockShares_lbl" xml:lang="en-US" id="id_7341432_1273391_1_1">Treasury Stock, Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_TreasuryStockShares_lbl" xml:lang="en-US" id="id_7341432_1273391_2_1">Treasury stock, shares</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockShares" xlink:to="us-gaap_TreasuryStockShares_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="us-gaap_TreasuryStockValue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TreasuryStockValue_lbl" xml:lang="en-US" id="id_7341432_1288788_1_1">Treasury Stock, Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_TreasuryStockValue_lbl" xml:lang="en-US" id="id_7341432_1288788_14_1">Treasury stock, at cost; zero and 18.3 thousand shares held, respectively</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockValue" xlink:to="us-gaap_TreasuryStockValue_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_TretinxMember" xlink:label="act_TretinxMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_TretinxMember_lbl" xml:lang="en-US" id="id_7341432_1591940_3_1">Tretinx [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_TretinxMember_lbl" xml:lang="en-US" id="id_7341432_1591940_1_1">Tretinx [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_TretinxMember_lbl" xml:lang="en-US" id="id_7341432_1591940_2_1">Tretin-X [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_TretinxMember" xlink:to="act_TretinxMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_TrevenaMember" xlink:label="act_TrevenaMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_TrevenaMember_lbl" xml:lang="en-US" id="id_7341432_1610689_3_1">Trevena [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_TrevenaMember_lbl" xml:lang="en-US" id="id_7341432_1610689_1_1">Trevena [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_TrevenaMember_lbl" xml:lang="en-US" id="id_7341432_1610689_2_1">Trevena [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_TrevenaMember" xlink:to="act_TrevenaMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_TudorzaMember" xlink:label="act_TudorzaMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_TudorzaMember_lbl" xml:lang="en-US" id="id_7341432_1596158_3_1">Tudorza.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_TudorzaMember_lbl" xml:lang="en-US" id="id_7341432_1596158_1_1">Tudorza [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_TudorzaMember_lbl" xml:lang="en-US" id="id_7341432_1596158_2_1">Tudorza [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_TudorzaMember" xlink:to="act_TudorzaMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_TwoPointFourFivePercentageSeniorNotesDueJuneFifteenTwoThousandAndNineteenMember" xlink:label="act_TwoPointFourFivePercentageSeniorNotesDueJuneFifteenTwoThousandAndNineteenMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_TwoPointFourFivePercentageSeniorNotesDueJuneFifteenTwoThousandAndNineteenMember_lbl" xml:lang="en-US" id="id_7341432_1591943_3_1">Two Point Four Five Percentage Senior Notes Due June Fifteen Two Thousand And Nineteen [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_TwoPointFourFivePercentageSeniorNotesDueJuneFifteenTwoThousandAndNineteenMember_lbl" xml:lang="en-US" id="id_7341432_1591943_1_1">Two Point Four Five Percentage Senior Notes Due June Fifteen Two Thousand And Nineteen [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_TwoPointFourFivePercentageSeniorNotesDueJuneFifteenTwoThousandAndNineteenMember_lbl" xml:lang="en-US" id="id_7341432_1591943_2_1">2.45% Notes Due June 15, 2019 [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_TwoPointFourFivePercentageSeniorNotesDueJuneFifteenTwoThousandAndNineteenMember" xlink:to="act_TwoPointFourFivePercentageSeniorNotesDueJuneFifteenTwoThousandAndNineteenMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_TwoThousandAndFortyTwoSeniorNotesMember" xlink:label="act_TwoThousandAndFortyTwoSeniorNotesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_TwoThousandAndFortyTwoSeniorNotesMember_lbl" xml:lang="en-US" id="id_7341432_1455283_3_1">Two Thousand And Forty Two Senior Notes [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_TwoThousandAndFortyTwoSeniorNotesMember_lbl" xml:lang="en-US" id="id_7341432_1455283_1_1">Two Thousand And Forty Two Senior Notes [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_TwoThousandAndFortyTwoSeniorNotesMember_lbl" xml:lang="en-US" id="id_7341432_1455283_2_1">2042 Notes [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_TwoThousandAndFortyTwoSeniorNotesMember" xlink:to="act_TwoThousandAndFortyTwoSeniorNotesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_TwoThousandAndSeventeenSeniorNotesMember" xlink:label="act_TwoThousandAndSeventeenSeniorNotesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_TwoThousandAndSeventeenSeniorNotesMember_lbl" xml:lang="en-US" id="id_7341432_1560064_3_1">Two Thousand And Seventeen Senior Notes [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_TwoThousandAndSeventeenSeniorNotesMember_lbl" xml:lang="en-US" id="id_7341432_1560064_1_1">Two Thousand And Seventeen Senior Notes [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_TwoThousandAndSeventeenSeniorNotesMember_lbl" xml:lang="en-US" id="id_7341432_1560064_2_1">2017 Notes [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_TwoThousandAndThirteenGrantMember_lbl" xml:lang="en-US" id="id_7341432_1298870_3_1">Two Thousand And Thirteen Grant [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_TwoThousandAndThirteenGrantMember_lbl" xml:lang="en-US" id="id_7341432_1298870_1_1">Two Thousand And Thirteen Grant [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_TwoThousandAndThirteenGrantMember_lbl" xml:lang="en-US" id="id_7341432_1298870_2_1">2013 Grants [Member]</label>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_TwoThousandFourteenAcquiredAwardsMember" xlink:label="act_TwoThousandFourteenAcquiredAwardsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_TwoThousandFourteenAcquiredAwardsMember_lbl" xml:lang="en-US" id="id_7341432_1592113_3_1">Two Thousand Fourteen Acquired Awards [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_TwoThousandFourteenAcquiredAwardsMember_lbl" xml:lang="en-US" id="id_7341432_1592113_1_1">Two Thousand Fourteen Acquired Awards [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_TwoThousandFourteenAcquiredAwardsMember_lbl" xml:lang="en-US" id="id_7341432_1592113_2_1">2014 Acquired Awards [Member]</label>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_TwoThousandFourteenGrantsMember" xlink:label="act_TwoThousandFourteenGrantsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_TwoThousandFourteenGrantsMember_lbl" xml:lang="en-US" id="id_7341432_1298519_3_1">Two Thousand Fourteen Grants [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_TwoThousandFourteenGrantsMember_lbl" xml:lang="en-US" id="id_7341432_1298519_1_1">Two Thousand Fourteen Grants [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_TwoThousandFourteenGrantsMember_lbl" xml:lang="en-US" id="id_7341432_1298519_2_1">2014 Grants [Member]</label>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_TwoThousandFourteenNotesMember" xlink:label="act_TwoThousandFourteenNotesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_TwoThousandFourteenNotesMember_lbl" xml:lang="en-US" id="id_7341432_1321968_3_1">Two Thousand Fourteen Notes [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_TwoThousandFourteenNotesMember_lbl" xml:lang="en-US" id="id_7341432_1321968_1_1">Two Thousand Fourteen Notes [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_TwoThousandFourteenNotesMember_lbl" xml:lang="en-US" id="id_7341432_1321968_2_1">2014 Notes [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_TwoThousandFourteenNotesMember" xlink:to="act_TwoThousandFourteenNotesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_TwoThousandFourteenSeniorNotesMember" xlink:label="act_TwoThousandFourteenSeniorNotesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_TwoThousandFourteenSeniorNotesMember_lbl" xml:lang="en-US" id="id_7341432_1591945_3_1">Two Thousand Fourteen Senior Notes [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_TwoThousandFourteenSeniorNotesMember_lbl" xml:lang="en-US" id="id_7341432_1591945_1_1">Two Thousand Fourteen Senior Notes [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_TwoThousandFourteenSeniorNotesMember_lbl" xml:lang="en-US" id="id_7341432_1591945_2_1">2014 Senior Notes [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_TwoThousandFourteenSeniorNotesMember" xlink:to="act_TwoThousandFourteenSeniorNotesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_TwoThousandNineSeniorNotesMember" xlink:label="act_TwoThousandNineSeniorNotesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_TwoThousandNineSeniorNotesMember_lbl" xml:lang="en-US" id="id_7341432_1489794_3_1">Two Thousand Nine Senior Notes [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_TwoThousandNineSeniorNotesMember_lbl" xml:lang="en-US" id="id_7341432_1489794_1_1">Two Thousand Nine Senior Notes [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_TwoThousandNineSeniorNotesMember_lbl" xml:lang="en-US" id="id_7341432_1489794_2_1">2009 Senior Notes [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_TwoThousandNineSeniorNotesMember" xlink:to="act_TwoThousandNineSeniorNotesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_TwoThousandNineteenSeniorNotesMember" xlink:label="act_TwoThousandNineteenSeniorNotesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_TwoThousandNineteenSeniorNotesMember_lbl" xml:lang="en-US" id="id_7341432_1530108_3_1">Two Thousand Nineteen Senior Notes [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_TwoThousandNineteenSeniorNotesMember_lbl" xml:lang="en-US" id="id_7341432_1530108_1_1">Two Thousand Nineteen Senior Notes [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_TwoThousandNineteenSeniorNotesMember_lbl" xml:lang="en-US" id="id_7341432_1530108_2_1">2019 Notes [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_TwoThousandNineteenSeniorNotesMember" xlink:to="act_TwoThousandNineteenSeniorNotesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_TwoThousandThirteenAcquiredAwardsMember" xlink:label="act_TwoThousandThirteenAcquiredAwardsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_TwoThousandThirteenAcquiredAwardsMember_lbl" xml:lang="en-US" id="id_7341432_1592114_3_1">Two Thousand Thirteen Acquired Awards [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_TwoThousandThirteenAcquiredAwardsMember_lbl" xml:lang="en-US" id="id_7341432_1592114_1_1">Two Thousand Thirteen Acquired Awards [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_TwoThousandThirteenAcquiredAwardsMember_lbl" xml:lang="en-US" id="id_7341432_1592114_2_1">2013 Acquired Awards [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_TwoThousandThirteenAcquiredAwardsMember" xlink:to="act_TwoThousandThirteenAcquiredAwardsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_TwoThousandTwelveSeniorNotesMember" xlink:label="act_TwoThousandTwelveSeniorNotesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_TwoThousandTwelveSeniorNotesMember_lbl" xml:lang="en-US" id="id_7341432_1316248_3_1">Two Thousand Twelve Senior Notes [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_TwoThousandTwelveSeniorNotesMember_lbl" xml:lang="en-US" id="id_7341432_1316248_1_1">Two Thousand Twelve Senior Notes [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_TwoThousandTwelveSeniorNotesMember_lbl" xml:lang="en-US" id="id_7341432_1316248_2_1">2012 Senior Notes [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_TwoThousandTwelveSeniorNotesMember" xlink:to="act_TwoThousandTwelveSeniorNotesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_TwoThousandTwentyTwoSeniorNotesMember" xlink:label="act_TwoThousandTwentyTwoSeniorNotesMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_TwoThousandTwentyTwoSeniorNotesMember_lbl" xml:lang="en-US" id="id_7341432_1488649_3_1">Two Thousand Twenty Two Senior Notes [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_TwoThousandTwentyTwoSeniorNotesMember_lbl" xml:lang="en-US" id="id_7341432_1488649_1_1">Two Thousand Twenty Two Senior Notes [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_TwoThousandTwentyTwoSeniorNotesMember_lbl" xml:lang="en-US" id="id_7341432_1488649_2_1">2022 Notes [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_TwoThousandTwentyTwoSeniorNotesMember" xlink:to="act_TwoThousandTwentyTwoSeniorNotesMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TypeOfArrangementAxis" xlink:label="us-gaap_TypeOfArrangementAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TypeOfArrangementAxis_lbl" xml:lang="en-US" id="id_7341432_1279908_1_1">Type of Arrangement and Non-arrangement Transactions [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_TypeOfArrangementAxis_lbl" xml:lang="en-US" id="id_7341432_1279908_2_1">Type of Arrangement and Non-arrangement Transactions [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TypeOfArrangementAxis" xlink:to="us-gaap_TypeOfArrangementAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TypeOfRestructuringDomain" xlink:label="us-gaap_TypeOfRestructuringDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TypeOfRestructuringDomain_lbl" xml:lang="en-US" id="id_7341432_1278340_1_1">Type of Restructuring [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_TypeOfRestructuringDomain_lbl" xml:lang="en-US" id="id_7341432_1278340_2_1">Type of Restructuring [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TypeOfRestructuringDomain" xlink:to="us-gaap_TypeOfRestructuringDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UndistributedEarningsOfForeignSubsidiaries" xlink:label="us-gaap_UndistributedEarningsOfForeignSubsidiaries"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UndistributedEarningsOfForeignSubsidiaries_lbl" xml:lang="en-US" id="id_7341432_1283874_1_1">Undistributed Earnings of Foreign Subsidiaries</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_UndistributedEarningsOfForeignSubsidiaries_lbl" xml:lang="en-US" id="id_7341432_1283874_2_1">Undistributed earnings of foreign subsidiaries</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UndistributedEarningsOfForeignSubsidiaries" xlink:to="us-gaap_UndistributedEarningsOfForeignSubsidiaries_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_UnitedStatesAndPuertoRicoMember" xlink:label="act_UnitedStatesAndPuertoRicoMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_UnitedStatesAndPuertoRicoMember_lbl" xml:lang="en-US" id="id_7341432_1557369_3_1">United States And Puerto Rico [Member].</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_UnitedStatesAndPuertoRicoMember_lbl" xml:lang="en-US" id="id_7341432_1557369_1_1">United States And Puerto Rico [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_UnitedStatesAndPuertoRicoMember_lbl" xml:lang="en-US" id="id_7341432_1557369_2_1">United States and Puerto Rico [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_UnitedStatesAndPuertoRicoMember" xlink:to="act_UnitedStatesAndPuertoRicoMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UnrecognizedTaxBenefits" xlink:label="us-gaap_UnrecognizedTaxBenefits"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xml:lang="en-US" id="id_7341432_1284319_1_1">Unrecognized Tax Benefits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xml:lang="en-US" id="id_7341432_1284319_4_1">Balance at the end of the year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xml:lang="en-US" id="id_7341432_1284319_5_1">Balance at the beginning of the year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xml:lang="en-US" id="id_7341432_1284319_2_1">Expected unrecognized tax benefits</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrecognizedTaxBenefits" xlink:to="us-gaap_UnrecognizedTaxBenefits_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_UnrecognizedTaxBenefitsDecreasesFromOffsettingBenefits" xlink:label="act_UnrecognizedTaxBenefitsDecreasesFromOffsettingBenefits"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_UnrecognizedTaxBenefitsDecreasesFromOffsettingBenefits_lbl" xml:lang="en-US" id="id_7341432_1367163_3_1">Unrecognized tax benefits decreases from offsetting benefits.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_UnrecognizedTaxBenefitsDecreasesFromOffsettingBenefits_lbl" xml:lang="en-US" id="id_7341432_1367163_1_1">Unrecognized Tax Benefits Decreases From Offsetting Benefits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_UnrecognizedTaxBenefitsDecreasesFromOffsettingBenefits_lbl" xml:lang="en-US" id="id_7341432_1367163_2_1">Reduction in liability from offsetting benefits</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_UnrecognizedTaxBenefitsDecreasesFromOffsettingBenefits" xlink:to="act_UnrecognizedTaxBenefitsDecreasesFromOffsettingBenefits_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions" xlink:label="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions_lbl" xml:lang="en-US" id="id_7341432_1289283_1_1">Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions_lbl" xml:lang="en-US" id="id_7341432_1289283_14_1">Decreases for prior year tax positions</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions" xlink:to="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities" xlink:label="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities_lbl" xml:lang="en-US" id="id_7341432_1285717_1_1">Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities_lbl" xml:lang="en-US" id="id_7341432_1285717_14_1">Settlements</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities" xlink:to="us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_lbl" xml:lang="en-US" id="id_7341432_1284730_1_1">Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_lbl" xml:lang="en-US" id="id_7341432_1284730_2_1">Interest and penalties related to tax positions accrued</label>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_UnsecuredRevolvingCreditFacilityMember" xlink:label="act_UnsecuredRevolvingCreditFacilityMember"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_UnsecuredRevolvingCreditFacilityMember_lbl" xml:lang="en-US" id="id_7341432_1401519_1_1">Unsecured Revolving Credit Facility [Member]</label>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_UnvestedEquityBasedAwardsMember" xlink:label="act_UnvestedEquityBasedAwardsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_UnvestedEquityBasedAwardsMember_lbl" xml:lang="en-US" id="id_7341432_1415119_3_1">Unvested Equity Based Awards [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_UnvestedEquityBasedAwardsMember_lbl" xml:lang="en-US" id="id_7341432_1415119_1_1">Unvested Equity Based Awards [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_UnvestedEquityBasedAwardsMember_lbl" xml:lang="en-US" id="id_7341432_1415119_2_1">Unvested Equity-Based Awards [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_UnvestedEquityBasedAwardsMember" xlink:to="act_UnvestedEquityBasedAwardsMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_UsTreasuryAndAgencySecuritiesMaturingWithinOneYearsMember_lbl" xml:lang="en-US" id="id_7341432_1418513_3_1">U.S. Treasury And Agency Securities Maturing Within One Years [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_UsTreasuryAndAgencySecuritiesMaturingWithinOneYearsMember_lbl" xml:lang="en-US" id="id_7341432_1418513_1_1">Us Treasury And Agency Securities Maturing Within One Years [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_UsTreasuryAndAgencySecuritiesMaturingWithinOneYearsMember_lbl" xml:lang="en-US" id="id_7341432_1418513_2_1">U.S. Treasury and Agency Securities - Maturing Within One Year [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_USTreasurySecuritiesMember_lbl" xml:lang="en-US" id="id_7341432_1274813_1_1">US Treasury Securities [Member]</label>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_UteronPharmaSaMember" xlink:label="act_UteronPharmaSaMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_UteronPharmaSaMember_lbl" xml:lang="en-US" id="id_7341432_1494547_3_1">Uteron Pharma Sa [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ValeantMember_lbl" xml:lang="en-US" id="id_7341432_1328993_1_1">Valeant [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ValeantMember_lbl" xml:lang="en-US" id="id_7341432_1328993_2_1">Valeant [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ValuationAllowanceOfDeferredTaxAssetsMember_lbl" xml:lang="en-US" id="id_7341432_1276697_2_1">Tax Valuation Allowance [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ValuationAllowancesAndReservesAllowanceForDoubtfulAccountsBalance_lbl" xml:lang="en-US" id="id_7341432_1502466_3_1">Valuation Allowances and Reserves Allowance For Doubtful Accounts, Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ValuationAllowancesAndReservesAllowanceForDoubtfulAccountsBalance_lbl" xml:lang="en-US" id="id_7341432_1502466_1_1">Valuation Allowances and Reserves Allowance For Doubtful Accounts, Balance</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="act_ValuationAllowancesAndReservesAllowanceForDoubtfulAccountsBalance_lbl" xml:lang="en-US" id="id_7341432_1502466_5_1">Allowance for doubtful accounts, Balance at beginning of period</label>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ValuationAllowancesAndReservesAssetsHeldForSale" xlink:label="act_ValuationAllowancesAndReservesAssetsHeldForSale"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ValuationAllowancesAndReservesAssetsHeldForSale_lbl" xml:lang="en-US" id="id_7341432_1330146_3_1">Valuation Allowances And Reserves Assets Held For Sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ValuationAllowancesAndReservesAssetsHeldForSale_lbl" xml:lang="en-US" id="id_7341432_1330146_1_1">Valuation Allowances And Reserves Assets Held For Sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="act_ValuationAllowancesAndReservesAssetsHeldForSale_lbl" xml:lang="en-US" id="id_7341432_1330146_14_1">Less: Assets held for sale</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ValuationAllowancesAndReservesBalance" xlink:label="us-gaap_ValuationAllowancesAndReservesBalance"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ValuationAllowancesAndReservesBalance_lbl" xml:lang="en-US" id="id_7341432_1284723_1_1">Valuation Allowances and Reserves, Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_ValuationAllowancesAndReservesBalance_lbl" xml:lang="en-US" id="id_7341432_1284723_4_1">Balance at end of period</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense_lbl" xml:lang="en-US" id="id_7341432_1282539_2_1">Provision related to sales</label>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ValuationAllowancesAndReservesChargedToCostAndExpenseAllowanceForDoubtfulAccounts" xlink:label="act_ValuationAllowancesAndReservesChargedToCostAndExpenseAllowanceForDoubtfulAccounts"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ValuationAllowancesAndReservesChargedToCostAndExpenseAllowanceForDoubtfulAccounts_lbl" xml:lang="en-US" id="id_7341432_1317492_3_1">Valuation Allowances And Reserves, Charged To Cost And Expense Allowance For Doubtful Accounts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ValuationAllowancesAndReservesChargedToCostAndExpenseAllowanceForDoubtfulAccounts_lbl" xml:lang="en-US" id="id_7341432_1317492_1_1">Valuation Allowances And Reserves, Charged To Cost And Expense Allowance For Doubtful Accounts</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_ValuationAllowancesAndReservesDeductions_lbl" xml:lang="en-US" id="id_7341432_1289287_14_1">Credits and payments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ValuationAllowancesAndReservesDeductions" xlink:to="us-gaap_ValuationAllowancesAndReservesDeductions_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ValuationAllowancesAndReservesDeductionsAllowanceForDoubtfulAccounts" xlink:label="act_ValuationAllowancesAndReservesDeductionsAllowanceForDoubtfulAccounts"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ValuationAllowancesAndReservesDeductionsAllowanceForDoubtfulAccounts_lbl" xml:lang="en-US" id="id_7341432_1495791_3_1">Valuation Allowances and Reserves, Deductions Allowance For Doubtful Accounts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ValuationAllowancesAndReservesDeductionsAllowanceForDoubtfulAccounts_lbl" xml:lang="en-US" id="id_7341432_1495791_1_1">Valuation Allowances and Reserves, Deductions Allowance For Doubtful Accounts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="act_ValuationAllowancesAndReservesDeductionsAllowanceForDoubtfulAccounts_lbl" xml:lang="en-US" id="id_7341432_1495791_14_1">Allowance for doubtful accounts, Deductions/ Write-offs</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDomain" xlink:label="us-gaap_ValuationAllowancesAndReservesDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ValuationAllowancesAndReservesDomain_lbl" xml:lang="en-US" id="id_7341432_1275094_1_1">Valuation Allowances and Reserves [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ValuationAllowancesAndReservesDomain_lbl" xml:lang="en-US" id="id_7341432_1275094_2_1">Valuation Allowances and Reserves [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ValuationAllowancesAndReservesDomain" xlink:to="us-gaap_ValuationAllowancesAndReservesDomain_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ValuationAllowancesAndReservesReservesOfBusinessesAcquired_lbl" xml:lang="en-US" id="id_7341432_1284724_2_1">Add: Acquisition</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ValuationAllowancesAndReservesReservesOfBusinessesAcquiredAdjustment_lbl" xml:lang="en-US" id="id_7341432_1369399_3_1">Valuation Allowances And Reserves Reserves Of Businesses Acquired Adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ValuationAllowancesAndReservesReservesOfBusinessesAcquiredAdjustment_lbl" xml:lang="en-US" id="id_7341432_1369399_1_1">Valuation Allowances And Reserves Reserves Of Businesses Acquired Adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="act_ValuationAllowancesAndReservesReservesOfBusinessesAcquiredAdjustment_lbl" xml:lang="en-US" id="id_7341432_1369399_14_1">Less: Acquisition measurement period adjustment</label>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ValuationAllowancesAndReservesReservesOfBusinessesAcquiredAllowanceForDoubtfulAccounts" xlink:label="act_ValuationAllowancesAndReservesReservesOfBusinessesAcquiredAllowanceForDoubtfulAccounts"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ValuationAllowancesAndReservesReservesOfBusinessesAcquiredAllowanceForDoubtfulAccounts_lbl" xml:lang="en-US" id="id_7341432_1490625_3_1">Valuation Allowances and Reserves, Reserves of Businesses Acquired Allowance For Doubtful Accounts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ValuationAllowancesAndReservesReservesOfBusinessesAcquiredAllowanceForDoubtfulAccounts_lbl" xml:lang="en-US" id="id_7341432_1490625_1_1">Valuation Allowances and Reserves, Reserves of Businesses Acquired Allowance For Doubtful Accounts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ValuationAllowancesAndReservesReservesOfBusinessesAcquiredAllowanceForDoubtfulAccounts_lbl" xml:lang="en-US" id="id_7341432_1490625_2_1">Allowance for doubtful accounts, Other</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ValuationAllowancesAndReservesTypeAxis" xlink:label="us-gaap_ValuationAllowancesAndReservesTypeAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ValuationAllowancesAndReservesTypeAxis_lbl" xml:lang="en-US" id="id_7341432_1279936_1_1">Valuation Allowances and Reserves Type [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ValuationAllowancesAndReservesTypeAxis_lbl" xml:lang="en-US" id="id_7341432_1279936_2_1">Valuation Allowances and Reserves Type [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ValuationAllowancesAndReservesTypeAxis" xlink:to="us-gaap_ValuationAllowancesAndReservesTypeAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsAbstract" xlink:label="us-gaap_ValuationAndQualifyingAccountsAbstract"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ValuationAndQualifyingAccountsAbstract_lbl" xml:lang="en-US" id="id_7341432_1281533_2_1">Valuation and Qualifying Accounts [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ValuationAndQualifyingAccountsAbstract" xlink:to="us-gaap_ValuationAndQualifyingAccountsAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems" xlink:label="us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_lbl" xml:lang="en-US" id="id_7341432_1271714_1_1">Valuation and Qualifying Accounts Disclosure [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_lbl" xml:lang="en-US" id="id_7341432_1271714_2_1">Valuation and Qualifying Accounts Disclosure [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems" xlink:to="us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsDisclosureTable" xlink:label="us-gaap_ValuationAndQualifyingAccountsDisclosureTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ValuationAndQualifyingAccountsDisclosureTable_lbl" xml:lang="en-US" id="id_7341432_1281534_1_1">Valuation and Qualifying Accounts Disclosure [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ValuationAndQualifyingAccountsDisclosureTable_lbl" xml:lang="en-US" id="id_7341432_1281534_2_1">Valuation and Qualifying Accounts Disclosure [Table]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ValuationAndQualifyingAccountsTaxValuationAllowance_lbl" xml:lang="en-US" id="id_7341432_1419814_3_1">Valuation and Qualifying Accounts Tax Valuation Allowance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ValuationAndQualifyingAccountsTaxValuationAllowance_lbl" xml:lang="en-US" id="id_7341432_1419814_1_1">Valuation and Qualifying Accounts Tax Valuation Allowance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="act_ValuationAndQualifyingAccountsTaxValuationAllowance_lbl" xml:lang="en-US" id="id_7341432_1419814_4_1">Tax valuation allowance, Balance at end of period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="act_ValuationAndQualifyingAccountsTaxValuationAllowance_lbl" xml:lang="en-US" id="id_7341432_1419814_5_1">Tax valuation allowance, Balance at beginning of period</label>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ValuationAndQualifyingAccountsTaxValuationAllowanceBusinessAcquired" xlink:label="act_ValuationAndQualifyingAccountsTaxValuationAllowanceBusinessAcquired"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ValuationAndQualifyingAccountsTaxValuationAllowanceBusinessAcquired_lbl" xml:lang="en-US" id="id_7341432_1385663_3_1">Valuation and Qualifying Accounts Tax Valuation Allowance, Business Acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ValuationAndQualifyingAccountsTaxValuationAllowanceBusinessAcquired_lbl" xml:lang="en-US" id="id_7341432_1385663_1_1">Valuation and Qualifying Accounts Tax Valuation Allowance, Business Acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ValuationAndQualifyingAccountsTaxValuationAllowanceBusinessAcquired_lbl" xml:lang="en-US" id="id_7341432_1385663_2_1">Tax valuation allowance, Other</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ValuationAndQualifyingAccountsTaxValuationAllowanceBusinessAcquired" xlink:to="act_ValuationAndQualifyingAccountsTaxValuationAllowanceBusinessAcquired_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ValuationAndQualifyingAccountsTaxValuationAllowanceChargedToCostsAndExpenses" xlink:label="act_ValuationAndQualifyingAccountsTaxValuationAllowanceChargedToCostsAndExpenses"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ValuationAndQualifyingAccountsTaxValuationAllowanceChargedToCostsAndExpenses_lbl" xml:lang="en-US" id="id_7341432_1346036_3_1">Valuation and Qualifying Accounts Tax Valuation Allowance Charged to Costs and Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ValuationAndQualifyingAccountsTaxValuationAllowanceChargedToCostsAndExpenses_lbl" xml:lang="en-US" id="id_7341432_1346036_1_1">Valuation and Qualifying Accounts Tax Valuation Allowance Charged to Costs and Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ValuationAndQualifyingAccountsTaxValuationAllowanceChargedToCostsAndExpenses_lbl" xml:lang="en-US" id="id_7341432_1346036_2_1">Tax valuation allowance, Charged to costs and expenses</label>
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    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ValuationAndQualifyingAccountsTaxValuationAllowanceDeductionsOrWriteOff" xlink:label="act_ValuationAndQualifyingAccountsTaxValuationAllowanceDeductionsOrWriteOff"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ValuationAndQualifyingAccountsTaxValuationAllowanceDeductionsOrWriteOff_lbl" xml:lang="en-US" id="id_7341432_1293610_3_1">Valuation and Qualifying Accounts Tax Valuation Allowance Deductions or Write Off</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ValuationAndQualifyingAccountsTaxValuationAllowanceDeductionsOrWriteOff_lbl" xml:lang="en-US" id="id_7341432_1293610_1_1">Valuation and Qualifying Accounts Tax Valuation Allowance Deductions or Write Off</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="act_ValuationAndQualifyingAccountsTaxValuationAllowanceDeductionsOrWriteOff_lbl" xml:lang="en-US" id="id_7341432_1293610_14_1">Tax valuation allowance, Deductions/ Write-offs</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ValuationTechniqueAxis" xlink:label="us-gaap_ValuationTechniqueAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ValuationTechniqueAxis_lbl" xml:lang="en-US" id="id_7341432_1273424_1_1">Valuation Technique [Axis]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ValuationTechniqueDomain_lbl" xml:lang="en-US" id="id_7341432_1278357_1_1">Valuation Technique [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ValuationTechniqueDomain_lbl" xml:lang="en-US" id="id_7341432_1278357_2_1">Valuation Technique [Domain]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_VariableRateAxis_lbl" xml:lang="en-US" id="id_7341432_1281543_1_1">Variable Rate [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_VariableRateAxis_lbl" xml:lang="en-US" id="id_7341432_1281543_2_1">Variable Rate [Axis]</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="us-gaap_VariableRateDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_VariableRateDomain_lbl" xml:lang="en-US" id="id_7341432_1273429_1_1">Variable Rate [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_VariableRateDomain_lbl" xml:lang="en-US" id="id_7341432_1273429_2_1">Variable Rate [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_VariableRateDomain" xlink:to="us-gaap_VariableRateDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ViibrydMember" xlink:label="act_ViibrydMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ViibrydMember_lbl" xml:lang="en-US" id="id_7341432_1596193_3_1">Viibryd.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ViibrydMember_lbl" xml:lang="en-US" id="id_7341432_1596193_1_1">Viibryd [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ViibrydMember_lbl" xml:lang="en-US" id="id_7341432_1596193_2_1">Viibryd [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ViibrydMember" xlink:to="act_ViibrydMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_ViibyrdFetzimaMember" xlink:label="act_ViibyrdFetzimaMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_ViibyrdFetzimaMember_lbl" xml:lang="en-US" id="id_7341432_1599403_3_1">Viibyrd Fetzima [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_ViibyrdFetzimaMember_lbl" xml:lang="en-US" id="id_7341432_1599403_1_1">Viibyrd Fetzima [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_ViibyrdFetzimaMember_lbl" xml:lang="en-US" id="id_7341432_1599403_2_1">Viibyrd/Fetzima [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_ViibyrdFetzimaMember" xlink:to="act_ViibyrdFetzimaMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_WalgreensMember" xlink:label="act_WalgreensMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_WalgreensMember_lbl" xml:lang="en-US" id="id_7341432_1549800_3_1">Walgreens [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_WalgreensMember_lbl" xml:lang="en-US" id="id_7341432_1549800_1_1">Walgreens [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_WalgreensMember_lbl" xml:lang="en-US" id="id_7341432_1549800_2_1">Walgreens [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_WalgreensMember" xlink:to="act_WalgreensMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_WarnerChilcottAcquisitionMember" xlink:label="act_WarnerChilcottAcquisitionMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_WarnerChilcottAcquisitionMember_lbl" xml:lang="en-US" id="id_7341432_1592220_3_1">Warner Chilcott Acquisition [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_WarnerChilcottAcquisitionMember_lbl" xml:lang="en-US" id="id_7341432_1592220_1_1">Warner Chilcott Acquisition [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_WarnerChilcottAcquisitionMember_lbl" xml:lang="en-US" id="id_7341432_1592220_2_1">Warner Chilcott Acquisition [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_WarnerChilcottAcquisitionMember" xlink:to="act_WarnerChilcottAcquisitionMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_WarnerChilcottAndActavisIncMember" xlink:label="act_WarnerChilcottAndActavisIncMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_WarnerChilcottAndActavisIncMember_lbl" xml:lang="en-US" id="id_7341432_1368906_3_1">Warner Chilcott and Actavis Inc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_WarnerChilcottAndActavisIncMember_lbl" xml:lang="en-US" id="id_7341432_1368906_1_1">Warner Chilcott and Actavis Inc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_WarnerChilcottAndActavisIncMember_lbl" xml:lang="en-US" id="id_7341432_1368906_2_1">Warner Chilcott and Actavis Inc. [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_WarnerChilcottAndActavisIncMember" xlink:to="act_WarnerChilcottAndActavisIncMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_WarnerChilcottCorporationMember" xlink:label="act_WarnerChilcottCorporationMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_WarnerChilcottCorporationMember_lbl" xml:lang="en-US" id="id_7341432_1613245_3_1">Warner chilcott corporation.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_WarnerChilcottCorporationMember_lbl" xml:lang="en-US" id="id_7341432_1613245_1_1">Warner Chilcott Corporation [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_WarnerChilcottCorporationMember_lbl" xml:lang="en-US" id="id_7341432_1613245_2_1">Warner Chilcott Corporation [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_WarnerChilcottCorporationMember" xlink:to="act_WarnerChilcottCorporationMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_WarnerChilcottLimitedMember" xlink:label="act_WarnerChilcottLimitedMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_WarnerChilcottLimitedMember_lbl" xml:lang="en-US" id="id_7341432_1591985_3_1">Warner Chilcott Limited [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_WarnerChilcottLimitedMember_lbl" xml:lang="en-US" id="id_7341432_1591985_1_1">Warner Chilcott Limited [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_WarnerChilcottLimitedMember_lbl" xml:lang="en-US" id="id_7341432_1591985_2_1">Warner Chilcott Limited [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_WarnerChilcottLimitedMember" xlink:to="act_WarnerChilcottLimitedMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_WarnerChilcottMember" xlink:label="act_WarnerChilcottMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_WarnerChilcottMember_lbl" xml:lang="en-US" id="id_7341432_1557146_3_1">Warner Chilcott Limited [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_WarnerChilcottMember_lbl" xml:lang="en-US" id="id_7341432_1557146_1_1">Warner Chilcott [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_WarnerChilcottMember_lbl" xml:lang="en-US" id="id_7341432_1557146_2_1">Warner Chilcott Limited [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_WarnerChilcottMember" xlink:to="act_WarnerChilcottMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_WarnerChilcottPlcMember" xlink:label="act_WarnerChilcottPlcMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_WarnerChilcottPlcMember_lbl" xml:lang="en-US" id="id_7341432_1332334_3_1">Warner Chilcott Plc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_WarnerChilcottPlcMember_lbl" xml:lang="en-US" id="id_7341432_1332334_1_1">Warner Chilcott Plc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_WarnerChilcottPlcMember_lbl" xml:lang="en-US" id="id_7341432_1332334_2_1">Warner Chilcott [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_WarnerChilcottPlcMember" xlink:to="act_WarnerChilcottPlcMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_WarnerChilcottTermLoanAgreementMember" xlink:label="act_WarnerChilcottTermLoanAgreementMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_WarnerChilcottTermLoanAgreementMember_lbl" xml:lang="en-US" id="id_7341432_1379370_3_1">Warner Chilcott Term Loan Agreement [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_WarnerChilcottTermLoanAgreementMember_lbl" xml:lang="en-US" id="id_7341432_1379370_1_1">Warner Chilcott Term Loan Agreement [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_WarnerChilcottTermLoanAgreementMember_lbl" xml:lang="en-US" id="id_7341432_1379370_2_1">WC Term Loan Agreement [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_WarnerChilcottTermLoanAgreementMember" xlink:to="act_WarnerChilcottTermLoanAgreementMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_WatsonPharmaceuticalsIncMember" xlink:label="act_WatsonPharmaceuticalsIncMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_WatsonPharmaceuticalsIncMember_lbl" xml:lang="en-US" id="id_7341432_1319266_3_1">Watson Pharmaceuticals Inc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_WatsonPharmaceuticalsIncMember_lbl" xml:lang="en-US" id="id_7341432_1319266_1_1">Watson Pharmaceuticals Inc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_WatsonPharmaceuticalsIncMember_lbl" xml:lang="en-US" id="id_7341432_1319266_2_1">Watson Pharmaceuticals, Inc. [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_WatsonPharmaceuticalsIncMember" xlink:to="act_WatsonPharmaceuticalsIncMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xml:lang="en-US" id="id_7341432_1276710_1_1">Weighted Average Number of Shares Outstanding, Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xml:lang="en-US" id="id_7341432_1276710_2_1">Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xml:lang="en-US" id="id_7341432_1276710_6_1">Dilutive weighted average ordinary shares outstanding</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesContingentlyIssuable" xlink:label="us-gaap_WeightedAverageNumberOfSharesContingentlyIssuable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_WeightedAverageNumberOfSharesContingentlyIssuable_lbl" xml:lang="en-US" id="id_7341432_1270060_1_1">Weighted Average Number of Shares, Contingently Issuable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_WeightedAverageNumberOfSharesContingentlyIssuable_lbl" xml:lang="en-US" id="id_7341432_1270060_2_1">Weighted average number of shares, contingently issuable</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfSharesContingentlyIssuable" xlink:to="us-gaap_WeightedAverageNumberOfSharesContingentlyIssuable_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_lbl" xml:lang="en-US" id="id_7341432_1274824_1_1">Weighted Average Number of Shares Outstanding, Diluted [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_lbl" xml:lang="en-US" id="id_7341432_1274824_2_1">Weighted average shares outstanding:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xml:lang="en-US" id="id_7341432_1281555_1_1">Weighted Average Number of Shares Outstanding, Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xml:lang="en-US" id="id_7341432_1281555_2_1">Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xml:lang="en-US" id="id_7341432_1281555_12_1">Basic weighted average ordinary shares outstanding</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_WesternEuropeMember" xlink:label="act_WesternEuropeMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_WesternEuropeMember_lbl" xml:lang="en-US" id="id_7341432_1366879_3_1">Western Europe [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_WesternEuropeMember_lbl" xml:lang="en-US" id="id_7341432_1366879_1_1">Western Europe [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_WesternEuropeMember_lbl" xml:lang="en-US" id="id_7341432_1366879_2_1">Western European [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_WesternEuropeMember" xlink:to="act_WesternEuropeMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_WomensHealthcareMember" xlink:label="act_WomensHealthcareMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_WomensHealthcareMember_lbl" xml:lang="en-US" id="id_7341432_1473904_3_1">Women's Healthcare [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_WomensHealthcareMember_lbl" xml:lang="en-US" id="id_7341432_1473904_1_1">Womens Healthcare [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_WomensHealthcareMember_lbl" xml:lang="en-US" id="id_7341432_1473904_2_1">Women's Health [Member]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_WomensHealthcareMember" xlink:to="act_WomensHealthcareMember_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_WriteOffOfContingentConsideration" xlink:label="act_WriteOffOfContingentConsideration"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_WriteOffOfContingentConsideration_lbl" xml:lang="en-US" id="id_7341432_1604799_3_1">Write Off Of Contingent Consideration</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_WriteOffOfContingentConsideration_lbl" xml:lang="en-US" id="id_7341432_1604799_1_1">Write Off Of Contingent Consideration</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_WriteOffOfContingentConsideration_lbl" xml:lang="en-US" id="id_7341432_1604799_2_1">Contingent consideration wrote-off</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="act_WriteOffOfContingentConsideration" xlink:to="act_WriteOffOfContingentConsideration_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_WriteOffOfDeferredDebtIssuanceCost" xlink:label="us-gaap_WriteOffOfDeferredDebtIssuanceCost"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_WriteOffOfDeferredDebtIssuanceCost_lbl" xml:lang="en-US" id="id_7341432_1285728_1_1">Write off of Deferred Debt Issuance Cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_WriteOffOfDeferredDebtIssuanceCost_lbl" xml:lang="en-US" id="id_7341432_1285728_2_1">Non-cash write-off of deferred loan costs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WriteOffOfDeferredDebtIssuanceCost" xlink:to="us-gaap_WriteOffOfDeferredDebtIssuanceCost_lbl"/>
    <loc xlink:type="locator" xlink:href="act-20141231.xsd#act_YazYasminMultidistrictLitigationMember" xlink:label="act_YazYasminMultidistrictLitigationMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="act_YazYasminMultidistrictLitigationMember_lbl" xml:lang="en-US" id="id_7341432_1591918_3_1">Yaz Yasmin Multidistrict Litigation [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="act_YazYasminMultidistrictLitigationMember_lbl" xml:lang="en-US" id="id_7341432_1591918_1_1">Yaz Yasmin Multidistrict Litigation [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="act_YazYasminMultidistrictLitigationMember_lbl" xml:lang="en-US" id="id_7341432_1591918_2_1">Yaz/Yasmin Multidistrict Litigation [Member]</label>
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