1001 - Document - Document and Entity Information
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1003 - Statement - Consolidated Balance Sheets
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1004 - Statement - Consolidated Balance Sheets (Parenthetical)
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1005 - Statement - Consolidated Statements of Operations
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1006 - Statement - Consolidated Statements Of Comprehensive Income
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1007 - Statement - Consolidated Statements of Shareholders' Equity and Comprehensive Income
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1008 - Statement - Consolidated Statements of Cash Flows
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1009 - Disclosure - Description of business
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1010 - Disclosure - Significant Accounting Policies
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1011 - Disclosure - Short term investments - available for sale
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1012 - Disclosure - Goodwill
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1013 - Disclosure - Intangible Assets
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1014 - Disclosure - Property, Plant and Equipment, net
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1015 - Disclosure - Other Liabilities
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1016 - Disclosure - Other Non-Current Liabilities
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1017 - Disclosure - Employee Benefits
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1018 - Disclosure - Equity Incentive Schemes and Stock Compensation Charges
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1019 - Disclosure - Government Grants
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1020 - Disclosure - Share Capital
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1021 - Disclosure - Income Taxes
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1022 - Disclosure - Restructuring and other items
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1023 - Disclosure - Provision for Doubtful Debts
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1024 - Disclosure - Commitments and Contingencies
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1025 - Disclosure - Business Segment and Geographical Information
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1026 - Disclosure - Supplemental Disclosure of Cash Flow Information
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1027 - Disclosure - Accumulated Other Comprehensive Income
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1028 - Disclosure - Long-Term Debt - Senior Notes
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1029 - Disclosure - Impact of New Accounting Pronouncements
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1030 - Disclosure - Related Parties
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1031 - Disclosure - Significant Accounting Policies (Policies)
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1032 - Disclosure - Significant Accounting Policies (Tables)
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1033 - Disclosure - Short term investments - available for sale (Tables)
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1034 - Disclosure - Goodwill (Tables)
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1035 - Disclosure - Intangible Assets (Tables)
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1036 - Disclosure - Property, Plant and Equipment, net (Tables)
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1037 - Disclosure - Other Liabilities (Tables)
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1038 - Disclosure - Other Non-Current Liabilities (Tables)
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1039 - Disclosure - Employee Benefits (Tables)
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1040 - Disclosure - Equity Incentive Schemes and Stock Compensation Charges (Tables)
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1041 - Disclosure - Government Grants (Tables)
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1042 - Disclosure - Income Taxes (Tables)
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1043 - Disclosure - Restructuring and other items (Tables)
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1044 - Disclosure - Provision for Doubtful Debts (Tables)
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1045 - Disclosure - Commitments and Contingencies (Tables)
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1046 - Disclosure - Business Segment and Geographical Information (Tables)
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1047 - Disclosure - Supplemental Disclosure of Cash Flow Information (Tables)
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1048 - Disclosure - Accumulated Other Comprehensive Income (Tables)
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1049 - Disclosure - Description of Business - Additional Information (Detail)
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1050 - Disclosure - Significant Accounting Policies - Additional Information (Detail)
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1051 - Disclosure - Adjustments Resulting from Foreign Currency Translation (Detail)
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1052 - Disclosure - Estimated Useful Lives of Assets (Detail)
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1053 - Disclosure - Reconciliation of Number of Shares Used in Computation of Basic and Diluted Net Income Per Ordinary Share (Detail)
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1054 - Disclosure - Cost and Fair Value of Investments (Detail)
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1055 - Disclosure - Short Team Investments - Available for Sale - Additional Information (Detail)
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1056 - Disclosure - Available For Sale Short Term Investments by Major Security Type (Detail)
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1057 - Disclosure - Goodwill (Detail)
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1058 - Disclosure - Goodwill - Additional Information (Detail)
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1059 - Disclosure - Summary of Estimates of Fair Values of Assets Acquired and Liabilities Assumed of Clinical Research Management, Inc. (Detail)
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1060 - Disclosure - Summary of Estimates of Fair Values of Assets Acquired and Liabilities Assumed of Clinical Research Management, Inc. (Parenthetical) (Detail)
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1061 - Disclosure - Proforma Effect in Net Revenue, Net Income and Earnings Per Share (Detail)
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1062 - Disclosure - Summary of Estimates of Fair Values of Assets Acquired and Liabilities Assumed of PMG (Detail)
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1063 - Disclosure - Summary of Estimates of Fair Values of Assets Acquired and Liabilities Assumed of PMG (Parenthetical) (Detail)
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1064 - Disclosure - Summary of Estimates of Fair Values of Assets Acquired and Liabilities Assumed of MediMedia Pharma Solutions (Detail)
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1065 - Disclosure - Summary of Estimates of Fair Values of Assets Acquired and Liabilities Assumed of MediMedia Pharma Solutions (Parenthetical) (Detail)
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1066 - Disclosure - Summary of Estimates of Fair Values of Assets Acquired and Liabilities Assumed of Aptiv Solutions (Detail)
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1067 - Disclosure - Intangible Assets (Detail)
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1068 - Disclosure - Intangible Assets - Additional Information (Detail)
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1069 - Disclosure - Future Intangible Asset Amortization Expense (Detail)
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1070 - Disclosure - Property, Plant and Equipment, Net (Detail)
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1071 - Disclosure - Other Liabilities (Detail)
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1072 - Disclosure - Other Non-Current Liabilities (Detail)
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1073 - Disclosure - Other Non-Current Liabilities (Parenthetical) (Detail)
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1074 - Disclosure - Employee Benefits - Additional Information (Detail)
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1075 - Disclosure - Change in Benefit Obligations (Detail)
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1076 - Disclosure - Change in Plan Assets (Detail)
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1077 - Disclosure - Funded Status - United Kingdom (Detail)
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1078 - Disclosure - Components of Net Periodic Benefit Cost (Detail)
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1079 - Disclosure - Net Periodic Pension Benefit Cost Assumptions (Detail)
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1080 - Disclosure - Amounts recognized in accumulated other comprehensive income that have not been recognized (Detail)
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1081 - Disclosure - Assumptions Used in Determining Benefit Obligation (Detail)
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1082 - Disclosure - Expected Long Term Rates of Return on Different Asset Classes (Detail)
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1083 - Disclosure - Actual Plan Asset Allocation (Detail)
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1084 - Disclosure - Plan Asset Fair Value Measurements (Detail)
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1085 - Disclosure - Annual Benefit Payments (Detail)
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1086 - Disclosure - Funded Status - Switzerland (Detail)
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1087 - Disclosure - Equity Incentive Schemes and Stock Compensation Charges - Additional Information (Detail)
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1088 - Disclosure - Summary of Stock Option Activity (Detail)
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1089 - Disclosure - Summary of Movement in Non-Vested Share Options (Detail)
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1090 - Disclosure - Outstanding and Exercisable Share Options (Detail)
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1091 - Disclosure - Schedule of Weighted Average Fair Values and Assumptions Used (Detail)
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1092 - Disclosure - Summary of RSU and PSU Activity (Detail)
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1093 - Disclosure - Schedule of Non-cash Stock Compensation Expense (Detail)
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1094 - Disclosure - Government Grants (Detail)
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1095 - Disclosure - Government Grants - Additional Information (Detail)
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1096 - Disclosure - Share Capital - Additional Information (Detail)
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1097 - Disclosure - Components of Income Before Provision for Income Taxes (Detail)
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1098 - Disclosure - Components of Provision for Income Taxes (Detail)
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1099 - Disclosure - Income Taxes - Additional Information (Detail)
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1100 - Disclosure - Consolidated Reported Provision for Income Taxes Differed from Statutory Rate (Detail)
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1101 - Disclosure - Consolidated Reported Provision for Income Taxes Differed from Statutory Rate (Parenthetical) (Detail)
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1102 - Disclosure - Tax Effects of Temporary Differences That Gives Rise to Significant Portions of Deferred Tax Assets and Liabilities (Detail)
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1103 - Disclosure - Expected Expiry Dates of NOI's (Detail)
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1104 - Disclosure - Reconciliation of Beginning and Ending Amount of Total Unrecognized Tax Benefits (Detail)
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1105 - Disclosure - Recognized Restructuring and Other Items, Net (Detail)
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1106 - Disclosure - Restructuring and Other Items - Additional Information (Detail)
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1107 - Disclosure - Restructuring Charges (Detail)
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1108 - Disclosure - Provision for Doubtful Debts (Detail)
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1109 - Disclosure - Commitments and Contingencies - Additional Information (Detail)
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1110 - Disclosure - Future Minimum Rental Commitments for Operating Leases (Detail)
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1111 - Disclosure - Distribution of Net Revenue by Geographical Area (Detail)
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1112 - Disclosure - Distribution of Income from operations, including Restructuring, by Geographical Area (Detail)
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1113 - Disclosure - Distribution of Income from operations, excluding Restructuring, by Geographical Area (Detail)
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1114 - Disclosure - Distribution of Property, Plant and Equipment, Net, by Geographical Area (Detail)
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1115 - Disclosure - Distribution of Depreciation and Amortization by Geographical Area (Detail)
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1116 - Disclosure - Distribution of Total Assets by Geographical Area (Detail)
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1117 - Disclosure - Distribution of Capital Expenditure by Geographical Area (Detail)
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1118 - Disclosure - Clients Representing Company's Net Revenue (Detail)
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1119 - Disclosure - Distribution of Interest Income by Geographical Area (Detail)
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1120 - Disclosure - Distribution of Income Tax Charge by Geographical Area (Detail)
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1121 - Disclosure - Supplemental Disclosure of Cash Flow Information (Detail)
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1122 - Disclosure - Accumulated Other Comprehensive Income (Detail)
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1123 - Disclosure - Long-Term Debt - Senior Notes - Additional Information (Detail)
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1124 - Disclosure - Related Parties - Additional Information (Detail)
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