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