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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_86D6EBD32CB90931281EA2E7E7435711" xlink:type="locator" />
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    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_ED2BEF4D39502C6A309DA2E7E7441222_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_ED2BEF4D39502C6A309DA2E7E7441222" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2017</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_ED2BEF4D39502C6A309DA2E7E7441222" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_ED2BEF4D39502C6A309DA2E7E7441222" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_ED2BEF4D39502C6A309DA2E7E7441222" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_5DEB1A490CAE873CF894A2E7E7442F4F_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_5DEB1A490CAE873CF894A2E7E7442F4F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2018</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_5DEB1A490CAE873CF894A2E7E7442F4F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_5DEB1A490CAE873CF894A2E7E7442F4F" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_5DEB1A490CAE873CF894A2E7E7442F4F" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_DDB966F15C730A401173A2E7E7441B9E_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_DDB966F15C730A401173A2E7E7441B9E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2019</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_DDB966F15C730A401173A2E7E7441B9E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_DDB966F15C730A401173A2E7E7441B9E" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_DDB966F15C730A401173A2E7E7441B9E" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_86136BDAF399E13EFC33A2E7E7449D78_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_86136BDAF399E13EFC33A2E7E7449D78" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2020</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_86136BDAF399E13EFC33A2E7E7449D78" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_86136BDAF399E13EFC33A2E7E7449D78" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_86136BDAF399E13EFC33A2E7E7449D78" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_2CDEBDF730FA7523897CA2E7E744667B_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_2CDEBDF730FA7523897CA2E7E744667B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2021 and thereafter</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_2CDEBDF730FA7523897CA2E7E744667B" xlink:type="locator" />
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    <link:label id="lab_us-gaap_IncomeStatementAbstract_68CD20AB6D1A0542E2CFA8FE28E9C1AD_label_en-US" xlink:label="lab_us-gaap_IncomeStatementAbstract_68CD20AB6D1A0542E2CFA8FE28E9C1AD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Statement [Abstract]</link:label>
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    <link:label id="lab_us-gaap_SalesRevenueServicesGross_D642C4EDAEDCCE94C3ADA8FE28EAAF8E_verboseLabel_en-US" xlink:label="lab_us-gaap_SalesRevenueServicesGross_D642C4EDAEDCCE94C3ADA8FE28EAAF8E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Gross revenue</link:label>
    <link:label id="lab_us-gaap_SalesRevenueServicesGross_D642C4EDAEDCCE94C3ADA8FE28EAAF8E_label_en-US" xlink:label="lab_us-gaap_SalesRevenueServicesGross_D642C4EDAEDCCE94C3ADA8FE28EAAF8E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sales Revenue, Services, Other</link:label>
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    <link:label id="lab_us-gaap_CostOfReimbursableExpense_FF5A1FECE2BF81EC8026A8FE28EA0385_terseLabel_en-US" xlink:label="lab_us-gaap_CostOfReimbursableExpense_FF5A1FECE2BF81EC8026A8FE28EA0385" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Less subcontractor costs and other direct reimbursable charges</link:label>
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    <link:label id="lab_us-gaap_SalesRevenueServicesNet_CA2491FF087556F9A827A8FE28EAA52E_totalLabel_en-US" xlink:label="lab_us-gaap_SalesRevenueServicesNet_CA2491FF087556F9A827A8FE28EAA52E" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net service revenue</link:label>
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    <link:label id="lab_trr_InterestIncomeFromContractualArrangements_7DD2D00DC14195585245A8FE28EAA8CB_terseLabel_en-US" xlink:label="lab_trr_InterestIncomeFromContractualArrangements_7DD2D00DC14195585245A8FE28EAA8CB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest income from contractual arrangements</link:label>
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    <link:label id="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_EC07EB3F641481C22CF89EF356684931_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_EC07EB3F641481C22CF89EF356684931" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from sale of fixed assets</link:label>
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    <link:label id="lab_us-gaap_RepaymentsOfLongTermDebt_69FE2EBF79D89E8C1EA69EF356681055_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfLongTermDebt_69FE2EBF79D89E8C1EA69EF356681055" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Payments on long-term debt and other</link:label>
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    <link:label id="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebt_5C3C4E5F5716CE7A2CCF9EF356693B99_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebt_5C3C4E5F5716CE7A2CCF9EF356693B99" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from long-term debt and other</link:label>
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    <link:label id="lab_us-gaap_DebtInstrumentTerm_433D12229D6BC7553DA7A8FE27AEB4B3_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentTerm_433D12229D6BC7553DA7A8FE27AEB4B3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Term</link:label>
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    <link:label id="lab_trr_LettersofCreditAmountAvailableForIssue_615B540A7CE160FDB9A4A8FE27AEB25E_terseLabel_en-US" xlink:label="lab_trr_LettersofCreditAmountAvailableForIssue_615B540A7CE160FDB9A4A8FE27AEB25E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Letters of credit, amount available for issue</link:label>
    <link:label id="lab_trr_LettersofCreditAmountAvailableForIssue_615B540A7CE160FDB9A4A8FE27AEB25E_label_en-US" xlink:label="lab_trr_LettersofCreditAmountAvailableForIssue_615B540A7CE160FDB9A4A8FE27AEB25E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Letters of Credit, Amount Available For Issue</link:label>
    <link:label id="lab_trr_LettersofCreditAmountAvailableForIssue_615B540A7CE160FDB9A4A8FE27AEB25E_documentation_en-US" xlink:label="lab_trr_LettersofCreditAmountAvailableForIssue_615B540A7CE160FDB9A4A8FE27AEB25E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of letters of credit available for issue under the Credit Agreement.</link:label>
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    <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_4B7CB8E7D100DA847F8AA8FE27AEED4C_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_4B7CB8E7D100DA847F8AA8FE27AEED4C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Maximum Borrowing Capacity</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_4B7CB8E7D100DA847F8AA8FE27AEED4C" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_FAFAE04AC946F3AE6BAFA8FE27AE5445_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_FAFAE04AC946F3AE6BAFA8FE27AE5445" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Variable rate of debt</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_FAFAE04AC946F3AE6BAFA8FE27AE5445_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_FAFAE04AC946F3AE6BAFA8FE27AE5445" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Basis Spread on Variable Rate</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_FAFAE04AC946F3AE6BAFA8FE27AE5445" xlink:type="locator" />
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    <link:label id="lab_trr_LineOfCreditFacilityFixedChargeCoverageRatioCovenant_676F0DAE79B3C048095EA8FE27AEB0C0_label_en-US" xlink:label="lab_trr_LineOfCreditFacilityFixedChargeCoverageRatioCovenant_676F0DAE79B3C048095EA8FE27AEB0C0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line Of Credit Facility, Fixed Charge Coverage Ratio Covenant</link:label>
    <link:label id="lab_trr_LineOfCreditFacilityFixedChargeCoverageRatioCovenant_676F0DAE79B3C048095EA8FE27AEB0C0_documentation_en-US" xlink:label="lab_trr_LineOfCreditFacilityFixedChargeCoverageRatioCovenant_676F0DAE79B3C048095EA8FE27AEB0C0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Line Of Credit Facility, Fixed Charge Coverage Ratio Covenant is a minimum ratio of 1.00 to 1.00. A fixed charge coverage ratio covenant is applicable only if available borrowing capacity under the facility plus qualified cash, measured on a trailing 30 days average basis, is less than $20,000, or at any point during the most recent fiscal quarter, is less than $15,000.</link:label>
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    <link:label id="lab_trr_EarningsBeforeInterestTaxesDeprecationAndAmortization_4FC86517183CC4C50880A8FE27AE2C6F_label_en-US" xlink:label="lab_trr_EarningsBeforeInterestTaxesDeprecationAndAmortization_4FC86517183CC4C50880A8FE27AE2C6F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Before Interest, Taxes, Deprecation and Amortization</link:label>
    <link:label id="lab_trr_EarningsBeforeInterestTaxesDeprecationAndAmortization_4FC86517183CC4C50880A8FE27AE2C6F_documentation_en-US" xlink:label="lab_trr_EarningsBeforeInterestTaxesDeprecationAndAmortization_4FC86517183CC4C50880A8FE27AE2C6F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">&#8220;EBITDA&#8221; means, with respect to any fiscal period, Parent&#8217;s and its Subsidiaries&#8217; consolidated net earnings (or loss), minus (a) without duplication and to the extent included in determining Parent&#8217;s and its Subsidiaries&#8217; consolidated net earnings (or loss) for such period, the sum for such period of (i) extraordinary gains and (ii) interest income (excluding interest income related to any Exit Strategy Program), in the case of each of clauses (a)(i) and (a)(ii) above determined on a consolidated basis in accordance with GAAP, plus (b) without duplication and to the extent deducted in determining Parent&#8217;s and its Subsidiaries&#8217; consolidated net earnings (or loss) for such period, the sum for such period of (i) interest expenses, (ii) income taxes, (iii) depreciation and amortization, (iv) restructuring charges incurred during the fiscal year ended June 30, 2008 in an aggregate amount not to exceed $2,750,000, (v) restructuring charges incurred during the fiscal year ended June 30, 2009 in an aggregate amount not to exceed $1,500,000 (provided that no amount under this clause (v) shall be added back for purposes of calculating EBITDA unless and until Agent has received satisfactory documentation and other evidence relating to any such restructuring charges), (vi) restructuring charges incurred during the fiscal year ended June 30, 2010 in an aggregate amount not to exceed $3,000,000 (provided that no amount under this clause (vi) shall be added back for purposes of calculating EBITDA unless and until Agent has received satisfactory documentation and other evidence relating to any such restructuring charges), (vii) restructuring charges incurred during the fiscal year ended June 30, 2011 in an aggregate amount not to exceed $1,250,000 (provided that no amount under this clause (vii) shall be added back for purposes of calculating EBITDA unless and until Agent has received satisfactory documentation and other evidence relating to any such restructuring charges), (viii) charges incurred during the fiscal year ended June 30, 2011 in an aggregate amount not to exceed $19,500,000 relating to legal costs and reserves as previously discussed with Agent (provided that no amount under this clause (viii) shall be added back for purposes of calculating EBITDA unless and until Agent has received satisfactory documentation and other evidence relating to any such charges), (ix) non-cash losses incurred in connection with the Exit Strategy Program solely to the extent such losses are reimbursable to Parent or one of its Subsidiaries under insurance policies with AIG (or another insurer), and (x) non-cash goodwill impairment charges and non-cash dividend and preferred stock accretion charges, in the case of each of clauses (b)(i) through and including (b)(x) above, determined on a consolidated basis in accordance with GAAP.&#8221;</link:label>
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    <link:label id="lab_trr_LineofCreditFacilityAdditionalBorrowingAmount_61B213F198ACA4CB4ECEA8FE27AF336C_documentation_en-US" xlink:label="lab_trr_LineofCreditFacilityAdditionalBorrowingAmount_61B213F198ACA4CB4ECEA8FE27AF336C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Additional Borrowing Amount</link:label>
    <link:loc xlink:href="trr-20151225.xsd#trr_LineofCreditFacilityAdditionalBorrowingAmount" xlink:label="loc_trr_LineofCreditFacilityAdditionalBorrowingAmount_61B213F198ACA4CB4ECEA8FE27AF336C" xlink:type="locator" />
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    <link:label id="lab_trr_DebtInstrumentPercentOfOutstandingAmountPayableQuarterly_C96A05B0670D4E5515FDA8FE27AFC857_documentation_en-US" xlink:label="lab_trr_DebtInstrumentPercentOfOutstandingAmountPayableQuarterly_C96A05B0670D4E5515FDA8FE27AFC857" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Instrument, Percent Of Outstanding Amount, Payable Quarterly</link:label>
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    <link:label id="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_B45ECD5C5E4AA57BFF04A8FE27AFFABD_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_B45ECD5C5E4AA57BFF04A8FE27AFFABD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt instrument, stated interest rate</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_B45ECD5C5E4AA57BFF04A8FE27AFFABD" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_4467750B06EAF6E9B7C6A8FE27B0E15A_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_4467750B06EAF6E9B7C6A8FE27B0E15A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unused borrowing capacity, fee</link:label>
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    <link:label id="lab_trr_DebtIssuanceCostsFeePercentage_9922133BA98655BF9CDFA8FE27B091BE_documentation_en-US" xlink:label="lab_trr_DebtIssuanceCostsFeePercentage_9922133BA98655BF9CDFA8FE27B091BE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Issuance Costs, Fee Percentage</link:label>
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    <link:label id="lab_us-gaap_DebtLongtermAndShorttermCombinedAmount_F8BF4BB476A0D8022EC0A8FE27B027B9_terseLabel_en-US" xlink:label="lab_us-gaap_DebtLongtermAndShorttermCombinedAmount_F8BF4BB476A0D8022EC0A8FE27B027B9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings</link:label>
    <link:label id="lab_us-gaap_DebtLongtermAndShorttermCombinedAmount_F8BF4BB476A0D8022EC0A8FE27B027B9_label_en-US" xlink:label="lab_us-gaap_DebtLongtermAndShorttermCombinedAmount_F8BF4BB476A0D8022EC0A8FE27B027B9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt, Long-term and Short-term, Combined Amount</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtLongtermAndShorttermCombinedAmount" xlink:label="loc_us-gaap_DebtLongtermAndShorttermCombinedAmount_F8BF4BB476A0D8022EC0A8FE27B027B9" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_44B13F279098E3ECFA56A8FE27B13F35" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DebtInstrumentFeeAmount_99CC03AFC5EE205A023DA8FE27B12EE5_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentFeeAmount_99CC03AFC5EE205A023DA8FE27B12EE5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Fee Amount</link:label>
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    <link:label id="lab_us-gaap_OtherAssetsCurrent_E5DB3DBD1067B12E24A5A8FE27B21932_terseLabel_en-US" xlink:label="lab_us-gaap_OtherAssetsCurrent_E5DB3DBD1067B12E24A5A8FE27B21932" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other assets, current</link:label>
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    <link:label id="lab_trr_NumberOfInstallmentPayments_D467E5AE0B17023CD8D0A8FE27B2DEB1_terseLabel_en-US" xlink:label="lab_trr_NumberOfInstallmentPayments_D467E5AE0B17023CD8D0A8FE27B2DEB1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of installment payments</link:label>
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    <link:label id="lab_trr_NumberOfInstallmentPayments_D467E5AE0B17023CD8D0A8FE27B2DEB1_documentation_en-US" xlink:label="lab_trr_NumberOfInstallmentPayments_D467E5AE0B17023CD8D0A8FE27B2DEB1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of installment payments to be made on a note payable.</link:label>
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