101 - Document - Document and Entity Information link:calculationLink link:presentationLink link:definitionLink 103 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS link:calculationLink link:presentationLink link:definitionLink 104 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME link:calculationLink link:presentationLink link:definitionLink 105 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) link:calculationLink link:presentationLink link:definitionLink 106 - Statement - CONSOLIDATED BALANCE SHEETS link:calculationLink link:presentationLink link:definitionLink 107 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) link:calculationLink link:presentationLink link:definitionLink 108 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS link:calculationLink link:presentationLink link:definitionLink 109 - Disclosure - GLOSSARY OF TERMS AND ABBREVIATIONS link:calculationLink link:presentationLink link:definitionLink 110 - Disclosure - DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION link:calculationLink link:presentationLink link:definitionLink 111 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES link:calculationLink link:presentationLink link:definitionLink 112 - Disclosure - STOCK-BASED COMPENSATION link:calculationLink link:presentationLink link:definitionLink 113 - Disclosure - INCOME TAXES link:calculationLink link:presentationLink link:definitionLink 114 - Disclosure - WEIGHTED AVERAGE SHARES OUTSTANDING link:calculationLink link:presentationLink link:definitionLink 115 - Disclosure - SHORT-TERM INVESTMENTS link:calculationLink link:presentationLink link:definitionLink 116 - Disclosure - DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES link:calculationLink link:presentationLink link:definitionLink 117 - Disclosure - ACQUISITIONS link:calculationLink link:presentationLink link:definitionLink 118 - Disclosure - GOODWILL AND OTHER ACQUIRED INTANGIBLE ASSETS link:calculationLink link:presentationLink link:definitionLink 119 - Disclosure - FAIR VALUE link:calculationLink link:presentationLink link:definitionLink 120 - Disclosure - OTHER BALANCE SHEET INFORMATION link:calculationLink link:presentationLink link:definitionLink 121 - Disclosure - PENSION AND OTHER RETIREMENT BENEFITS link:calculationLink link:presentationLink link:definitionLink 122 - Disclosure - INDEBTEDNESS link:calculationLink link:presentationLink link:definitionLink 123 - Disclosure - CONTINGENCIES link:calculationLink link:presentationLink link:definitionLink 124 - Disclosure - SEGMENT INFORMATION link:calculationLink link:presentationLink link:definitionLink 125 - Disclosure - RECENTLY ISSUED ACCOUNTING STANDARDS link:calculationLink link:presentationLink link:definitionLink 126 - Disclosure - SUBSEQUENT EVENTS link:calculationLink link:presentationLink link:definitionLink 127 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) link:calculationLink link:presentationLink link:definitionLink 128 - Disclosure - STOCK-BASED COMPENSATION (Tables) link:calculationLink link:presentationLink link:definitionLink 129 - Disclosure - INCOME TAXES (Tables) link:calculationLink link:presentationLink link:definitionLink 130 - Disclosure - WEIGHTED AVERAGE SHARES OUTSTANDING (Tables) link:calculationLink link:presentationLink link:definitionLink 131 - Disclosure - DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Tables) link:calculationLink link:presentationLink link:definitionLink 132 - Disclosure - ACQUISITIONS (Tables) link:calculationLink link:presentationLink link:definitionLink 133 - Disclosure - GOODWILL AND OTHER ACQUIRED INTANGIBLE ASSETS (Tables) link:calculationLink link:presentationLink link:definitionLink 134 - Disclosure - FAIR VALUE (Tables) link:calculationLink link:presentationLink link:definitionLink 135 - Disclosure - OTHER BALANCE SHEET INFORMATION (Tables) link:calculationLink link:presentationLink link:definitionLink 136 - Disclosure - PENSION AND OTHER RETIREMENT BENEFITS (Tables) link:calculationLink link:presentationLink link:definitionLink 137 - Disclosure - INDEBTEDNESS (Tables) link:calculationLink link:presentationLink link:definitionLink 138 - Disclosure - SEGMENT INFORMATION (Tables) link:calculationLink link:presentationLink link:definitionLink 139 - Disclosure - Description of Business and Basis of Presentation - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 140 - Disclosure - Stock-Based Compensation Cost and Associated Tax Benefit (Detail) link:calculationLink link:presentationLink link:definitionLink 141 - Disclosure - Stock-Based Compensation - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 142 - Disclosure - Weighted Average Assumptions used in Determining Fair Value for Options Granted (Detail) link:calculationLink link:presentationLink link:definitionLink 143 - Disclosure - Stock Option Exercises and Restricted Stock Vesting (Detail) link:calculationLink link:presentationLink link:definitionLink 144 - Disclosure - Income Taxes - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 145 - Disclosure - Income Taxes Paid (Detail) link:calculationLink link:presentationLink link:definitionLink 146 - Disclosure - Income Taxes Paid (Parenthetical) (Detail) link:calculationLink link:presentationLink link:definitionLink 147 - Disclosure - Reconciliation of Basic to Diluted Shares Outstanding (Detail) link:calculationLink link:presentationLink link:definitionLink 148 - Disclosure - Short -Term Investments - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 149 - Disclosure - Derivative Instruments And Hedging Activities - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 150 - Disclosure - Summary of Notional Amounts of Outstanding Foreign Exchange Forwards, Cash Flow Hedging (Detail) link:calculationLink link:presentationLink link:definitionLink 151 - Disclosure - Summary of Notional Amounts of Outstanding Foreign Exchange Forwards, Net Investment Hedging (Detail) link:calculationLink link:presentationLink link:definitionLink 152 - Disclosure - Fair Value of Derivative Instruments (Detail) link:calculationLink link:presentationLink link:definitionLink 153 - Disclosure - Summary of Net Gain (Loss) on Foreign Exchange Forwards Not Designated as Hedging Instruments and on Interest Rate Swaps Designated as Fair Value Hedge (Detail) link:calculationLink link:presentationLink link:definitionLink 154 - Disclosure - Gains and Losses on Derivatives Designated as Hedging Instruments, Cash Flow Hedging (Detail) link:calculationLink link:presentationLink link:definitionLink 155 - Disclosure - Gains and Losses on Derivatives Designated as Hedging Instruments, Net Investment Hedging (Detail) link:calculationLink link:presentationLink link:definitionLink 156 - Disclosure - Cumulative Amount of Unrecognized Hedge Losses Recorded in Accumulated Other Comprehensive Income (Detail) link:calculationLink link:presentationLink link:definitionLink 157 - Disclosure - Acquisitions - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 158 - Disclosure - Barrie and Hibbert, Limited, Purchase Price Allocation (Detail) link:calculationLink link:presentationLink link:definitionLink 159 - Disclosure - Barrie and Hibbert, Limited, Purchase Price Allocation (Parenthetical) (Detail) link:calculationLink link:presentationLink link:definitionLink 160 - Disclosure - Copal Partners, Total Consideration Transferred to Sellers (Detail) link:calculationLink link:presentationLink link:definitionLink 161 - Disclosure - Copal Partners, Purchase Price Allocation (Detail) link:calculationLink link:presentationLink link:definitionLink 162 - Disclosure - Copal Partners, Purchase Price Allocation (Parenthetical) (Detail) link:calculationLink link:presentationLink link:definitionLink 163 - Disclosure - Activity in Goodwill (Detail) link:calculationLink link:presentationLink link:definitionLink 164 - Disclosure - Acquired Intangible Assets and Related Amortization (Detail) link:calculationLink link:presentationLink link:definitionLink 165 - Disclosure - Amortization Expense Relating to Acquired Intangible Assets (Detail) link:calculationLink link:presentationLink link:definitionLink 166 - Disclosure - Estimated Future Amortization Expense for Acquired Intangible Assets Subject to Amortization (Detail) link:calculationLink link:presentationLink link:definitionLink 167 - Disclosure - Goodwill and Other Acquired Intangible Assets - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 168 - Disclosure - Financial Instruments Carried at Fair Value on Recurring Basis (Detail) link:calculationLink link:presentationLink link:definitionLink 169 - Disclosure - Changes in Fair Value of Level 3 Liabilities, Contingent Consideration (Detail) link:calculationLink link:presentationLink link:definitionLink 170 - Disclosure - Fair Value - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 171 - Disclosure - Additional Details Related to Certain Balance Sheet Captions (Detail) link:calculationLink link:presentationLink link:definitionLink 172 - Disclosure - Changes in Redeemable Noncontrolling Interest Related to Acquisition (Detail) link:calculationLink link:presentationLink link:definitionLink 173 - Disclosure - Changes in Non-Redeemable Noncontrolling Interest (Detail) link:calculationLink link:presentationLink link:definitionLink 174 - Disclosure - Components of Accumulated Other Comprehensive Income (Detail) link:calculationLink link:presentationLink link:definitionLink 175 - Disclosure - Components of Other Non-Operating (Expense) Income (Detail) link:calculationLink link:presentationLink link:definitionLink 176 - Disclosure - Components of Other Non-Operating (Expense) Income (Parenthetical) (Detail) link:calculationLink link:presentationLink link:definitionLink 177 - Disclosure - Components of Net Periodic Benefit Expense Related to Retirement Plans (Detail) link:calculationLink link:presentationLink link:definitionLink 178 - Disclosure - Pension and Other Retirement Benefits - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 179 - Disclosure - Summary of Total Indebtedness (Detail) link:calculationLink link:presentationLink link:definitionLink 180 - Disclosure - Summary of Total Indebtedness (Parenthetical) (Detail) link:calculationLink link:presentationLink link:definitionLink 181 - Disclosure - Indebtedness - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 182 - Disclosure - Principal Payments Due on Long-Term Borrowings (Detail) link:calculationLink link:presentationLink link:definitionLink 183 - Disclosure - Summary of Components of Interest as Presented in Consolidated Statements of Operations (Detail) link:calculationLink link:presentationLink link:definitionLink 184 - Disclosure - Summary of Components of Interest as Presented in Consolidated Statements of Operations (Parenthetical) (Detail) link:calculationLink link:presentationLink link:definitionLink 185 - Disclosure - Cash Paid for Interest (Detail) link:calculationLink link:presentationLink link:definitionLink 186 - Disclosure - Fair Value and Carrying Value of Long-Term Debt (Detail) link:calculationLink link:presentationLink link:definitionLink 187 - Disclosure - Fair Value and Carrying Value of Long-Term Debt (Parenthetical) (Detail) link:calculationLink link:presentationLink link:definitionLink 188 - Disclosure - Contingencies - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 189 - Disclosure - Financial Information by Segment (Detail) link:calculationLink link:presentationLink link:definitionLink 190 - Disclosure - Revenue by Line of Business within Each Reportable Segment (Detail) link:calculationLink link:presentationLink link:definitionLink 191 - Disclosure - Consolidated Revenue Information by Geographic Area (Detail) link:calculationLink link:presentationLink link:definitionLink 192 - Disclosure - Total Assets by Segment (Detail) link:calculationLink link:presentationLink link:definitionLink 193 - Disclosure - Subsequent Events - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink