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Schedule of Assets and Liabilities Associated with Health Management Business Segregated and Classified as Assets Held for Sale and Liabilities (Parenthetical) (Detail) link:calculationLink link:presentationLink link:definitionLink 1067 - Disclosure - Discontinued Operations - Summarized Financial Information Related to ACS Companies and Health Management Business (Detail) link:calculationLink link:presentationLink link:definitionLink 1068 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 1069 - Disclosure - Other Balance Sheet Information - Components of Selected Captions in Consolidated Balance Sheets (Detail) link:calculationLink link:presentationLink link:definitionLink 1070 - Disclosure - Business Combinations - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 1071 - Disclosure - Business Combinations - Summary of Aggregate Purchase Price Allocation (Detail) link:calculationLink link:presentationLink link:definitionLink 1072 - Disclosure - Business Combinations - Intangible Assets Acquired and their Respective Fair Values and Weighted-Average Useful Lives (Detail) link:calculationLink link:presentationLink link:definitionLink 1073 - Disclosure - Business Combinations - Summary of Aggregate Purchase Price Allocation (Parenthetical) (Detail) link:calculationLink link:presentationLink link:definitionLink 1074 - Disclosure - Goodwill and Other Intangible Assets - Summary of Goodwill and Other Intangible Assets (Detail) link:calculationLink link:presentationLink link:definitionLink 1075 - Disclosure - Goodwill and Other Intangible Assets - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 1076 - Disclosure - Goodwill and Other Intangible Assets - Summary of Estimated Amortization Expense of Intangible Assets (Detail) link:calculationLink link:presentationLink link:definitionLink 1077 - Disclosure - Goodwill and Other Intangible Assets - Summary of Goodwill Amounts Allocated to Reporting Units (Detail) link:calculationLink link:presentationLink link:definitionLink 1078 - Disclosure - Goodwill and Other Intangible Assets - Summary of Goodwill Amounts Allocated to Reporting Units (Parenthetical) (Detail) link:calculationLink link:presentationLink link:definitionLink 1079 - Disclosure - Long-Term Debt - Long-Term Debt Balances Outstanding (Detail) link:calculationLink link:presentationLink link:definitionLink 1080 - Disclosure - Long-Term Debt - Long-Term Debt Balances Outstanding (Parenthetical) (Detail) link:calculationLink link:presentationLink link:definitionLink 1081 - Disclosure - Long-Term Debt - Long-Term Debt Interest Expense (Detail) link:calculationLink link:presentationLink link:definitionLink 1082 - Disclosure - Long-Term Debt - Long-Term Debt Interest Expense (Parenthetical) (Detail) link:calculationLink link:presentationLink link:definitionLink 1083 - Disclosure - Long-Term Debt - Secured Credit Facility - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 1084 - Disclosure - Long-Term Debt - Prior Credit Facility - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 1085 - Disclosure - Long-Term Debt - 6.375% Senior Subordinated Notes - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 1086 - Disclosure - Long-Term Debt - 7.25% Senior Notes - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 1087 - Disclosure - Long-Term Debt - 7.875% Senior Notes - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 1088 - Disclosure - Long-Term Debt - 6.5% Senior Subordinated Notes - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 1089 - Disclosure - Long-Term Debt - 8.625% Senior Subordinated Notes - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 1090 - Disclosure - Long-Term Debt - 3% Convertible Senior Subordinated Notes - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 1091 - Disclosure - Long-Term Debt - Lines of Credit - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 1092 - Disclosure - Long-Term Debt - Other Debt - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 1093 - Disclosure - Long-Term Debt - Summary of Maturities of Long-Term Debt Outstanding Including Current Portion (Detail) link:calculationLink link:presentationLink link:definitionLink 1094 - Disclosure - Fair Value Measurements - Fair Value Assets and Liabilities Measured on Recurring Basis, Valuation Techniques (Detail) link:calculationLink link:presentationLink link:definitionLink 1095 - Disclosure - Fair Value Measurements - Changes in Fair Value of Contingent Consideration Obligations (Detail) link:calculationLink link:presentationLink link:definitionLink 1096 - Disclosure - Fair Value Measurements - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 1097 - Disclosure - Capital Leases - Schedule of Future Minimum Lease Payments with Present Value (Detail) link:calculationLink link:presentationLink link:definitionLink 1098 - Disclosure - Capital Leases - Capitalized Amounts of Building, Machinery Equipment Computer Equipment (Detail) link:calculationLink link:presentationLink link:definitionLink 1099 - Disclosure - Postretirement Benefit Plans - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 1100 - Disclosure - Postretirement Benefit Plans - Changes in Benefit Obligations, Plan Assets, Funded Status and Amounts Recognized (Detail) link:calculationLink link:presentationLink link:definitionLink 1101 - Disclosure - Postretirement Benefit Plans - Amounts Recognized in Other Comprehensive Loss (Detail) link:calculationLink link:presentationLink link:definitionLink 1102 - Disclosure - Postretirement Benefit Plans - Amounts Recognized in Accumulated Other Comprehensive Loss (Detail) link:calculationLink link:presentationLink link:definitionLink 1103 - Disclosure - Postretirement Benefit Plans - Weighted-Average Actuarial Assumptions (Detail) link:calculationLink link:presentationLink link:definitionLink 1104 - Disclosure - Postretirement Benefit Plans - Net Periodic Benefit Costs (Detail) link:calculationLink link:presentationLink link:definitionLink 1105 - Disclosure - Postretirement Benefit Plans - Fair Values of Pension Plan Assets (Detail) link:calculationLink link:presentationLink link:definitionLink 1106 - Disclosure - Commitments and Contingencies - Schedule of Future Minimum Annual Rental Payments Under Operating Leases (Detail) link:calculationLink link:presentationLink link:definitionLink 1107 - Disclosure - Commitments and Contingencies - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 1108 - Disclosure - Commitments and Contingencies - Contractual Contingent Purchase Price Consideration Obligations Related to Certain Acquisitions (Detail) link:calculationLink link:presentationLink link:definitionLink 1109 - Disclosure - Commitments and Contingencies - Contractual Contingent Purchase Price Consideration Obligations Related to Certain Acquisitions (Parenthetical) (Detail) link:calculationLink link:presentationLink link:definitionLink 1110 - Disclosure - Net Income (Loss) Per Common Share - Computation of Basic and Diluted Net Income (Loss) Per Common Share (Detail) link:calculationLink link:presentationLink link:definitionLink 1111 - Disclosure - Net Income (Loss) Per Common Share - Potential Dilutive Securities Not Included in Calculation of Diluted Net Income (Loss) Per Common Share (Detail) link:calculationLink link:presentationLink link:definitionLink 1112 - Disclosure - Net Income (Loss) Per Common Share - Potential Dilutive Securities Not Included in Calculation of Diluted Net Income (Loss) Per Common Share (Parenthetical) (Detail) link:calculationLink link:presentationLink link:definitionLink 1113 - Disclosure - Stockholders' Equity - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 1114 - Disclosure - Stockholders' Equity - Summary of Stock Option Activity (Detail) link:calculationLink link:presentationLink link:definitionLink 1115 - Disclosure - Stockholders' Equity - Summary of Restricted Stock Unit Activity (Detail) link:calculationLink link:presentationLink link:definitionLink 1116 - Disclosure - Stockholders' Equity - Summary of Stock Appreciation Rights (Detail) link:calculationLink link:presentationLink link:definitionLink 1117 - Disclosure - Stock-based Compensation - Stock-based Compensation Expense (Detail) link:calculationLink link:presentationLink link:definitionLink 1118 - Disclosure - Stock-based Compensation - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 1119 - Disclosure - Stock-based Compensation - Fair Value Assumptions for Stock Options on Date of Grant (Detail) link:calculationLink link:presentationLink link:definitionLink 1120 - Disclosure - Accumulated Other Comprehensive Income (Loss) - Summary of Accumulated Other Comprehensive Income (Loss) (Detail) link:calculationLink link:presentationLink link:definitionLink 1121 - Disclosure - Income Taxes - Summary of Income (Loss) Before Provision (Benefit) for Income Taxes (Detail) link:calculationLink link:presentationLink link:definitionLink 1122 - Disclosure - Income Taxes - Components of Deferred Tax Assets and Liabilities (Detail) link:calculationLink link:presentationLink link:definitionLink 1123 - Disclosure - Income Taxes - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 1124 - Disclosure - Income Taxes - Components of Provision (Benefit) for Income Taxes - continuing operations (Detail) link:calculationLink link:presentationLink link:definitionLink 1125 - Disclosure - Income Taxes - Reconciliation from U.S. Statutory Tax Rate to Effective Tax Rate (Detail) link:calculationLink link:presentationLink link:definitionLink 1126 - Disclosure - Income Taxes - Reconciliation of Beginning and Ending Amount of Gross Unrecognized Tax Benefits (Detail) link:calculationLink link:presentationLink link:definitionLink 1127 - Disclosure - Financial Information by Segment - Performance of Our Operating Segments Based on Revenue and Operating Income (Loss) (Detail) link:calculationLink link:presentationLink link:definitionLink 1128 - Disclosure - Financial Information by Segment - Summary of Company's Net Revenue from Professional Diagnostics Reporting Segments by Groups of Similar Products and Services (Detail) link:calculationLink link:presentationLink link:definitionLink 1129 - Disclosure - Financial Information by Segment - Summary of Revenue and Long-lived Tangible Assets for Segments by Geographic Area (Detail) link:calculationLink link:presentationLink link:definitionLink 1130 - Disclosure - Other Arrangements - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 1131 - Disclosure - Related Party Transactions - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 1132 - Disclosure - Related Party Transactions - Related Party Balances with SPD within Consolidated Balance Sheets (Detail) link:calculationLink link:presentationLink link:definitionLink 1133 - Disclosure - Valuation and Qualifying Accounts - Sets Forth Activities in Accounts Receivable Reserve Accounts (Detail) link:calculationLink link:presentationLink link:definitionLink 1134 - Disclosure - Valuation and Qualifying Accounts - Sets Forth Activities in Inventory Reserve Accounts (Detail) link:calculationLink link:presentationLink link:definitionLink 1135 - Disclosure - Valuation and Qualifying Accounts - Sets Forth Activities in Deferred Tax Accounts (Detail) link:calculationLink link:presentationLink link:definitionLink 1136 - Disclosure - Restructuring Activities - Aggregate Charges Associated with Restructuring Plans Recorded in Operating Income (Detail) link:calculationLink link:presentationLink link:definitionLink 1137 - Disclosure - Restructuring Activities - Restructuring Activities Related to Restructuring Plans (Detail) link:calculationLink link:presentationLink link:definitionLink 1138 - Disclosure - Restructuring Activities - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 1139 - Disclosure - Restructuring Activities - Cash Activity for Restructuring Reserves (Detail) link:calculationLink link:presentationLink link:definitionLink 1140 - Disclosure - Equity Investments - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 1141 - Disclosure - Equity Investments - Financial Information for SPD and TechLab on Combined Condensed Results of Operations (Detail) link:calculationLink link:presentationLink link:definitionLink 1142 - Disclosure - Equity Investments - Financial Information for SPD and TechLab on Combined Condensed Balance Sheet (Detail) link:calculationLink link:presentationLink link:definitionLink 1143 - Disclosure - Assets Held For Sale - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 1144 - Disclosure - Impairment and (Gain) Loss on Dispositions, Net - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 1145 - Disclosure - Supplemental Cash Flow Information - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 1146 - Disclosure - Guarantor Financial Information - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 1147 - Disclosure - Guarantor Financial Information - Revised Consolidating Statement of Operations (Detail) link:calculationLink link:presentationLink link:definitionLink 1148 - Disclosure - Guarantor Financial Information - Revised Consolidating Balance Sheet (Detail) link:calculationLink link:presentationLink link:definitionLink 1149 - Disclosure - Guarantor Financial Information - Guarantor Financial Information Consolidating Statement of Operations (Detail) link:calculationLink link:presentationLink link:definitionLink 1150 - Disclosure - Guarantor Financial Information - Guarantor Financial Information Consolidating Statement of Comprehensive Income (Loss) (Detail) link:calculationLink link:presentationLink link:definitionLink 1151 - Disclosure - Guarantor Financial Information - Guarantor Financial Information Consolidating Balance Sheet (Detail) link:calculationLink link:presentationLink link:definitionLink 1152 - Disclosure - Guarantor Financial Information - Guarantor Financial Information Consolidating Statement of Cash Flows (Detail) link:calculationLink link:presentationLink link:definitionLink 1153 - Disclosure - Subsequent Events - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 1154 - Disclosure - Capital Leases - Schedule of Future Minimum Lease Payments with Present Value (Detail) (Alternate 1) link:calculationLink link:presentationLink link:definitionLink 1155 - Disclosure - Income Taxes - Components of Deferred Tax Assets and Liabilities (Detail) (Alternate 1) link:calculationLink link:presentationLink link:definitionLink