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Disclosure - Organization link:presentationLink link:calculationLink link:definitionLink 0000011 - Disclosure - Basis of Presentation and Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 0000012 - Disclosure - Revenue Recognition link:presentationLink link:calculationLink link:definitionLink 0000013 - Disclosure - Acquisitions link:presentationLink link:calculationLink link:definitionLink 0000014 - Disclosure - Goodwill link:presentationLink link:calculationLink link:definitionLink 0000015 - Disclosure - Intangible Assets link:presentationLink link:calculationLink link:definitionLink 0000016 - Disclosure - Property and Equipment link:presentationLink link:calculationLink link:definitionLink 0000017 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 0000018 - Disclosure - Debt and Financing Arrangements link:presentationLink link:calculationLink link:definitionLink 0000019 - Disclosure - Fair Value Measurements and Financial Instruments link:presentationLink link:calculationLink link:definitionLink 0000020 - Disclosure - Accrued Expenses link:presentationLink link:calculationLink link:definitionLink 0000021 - Disclosure - Earnings per Share link:presentationLink link:calculationLink link:definitionLink 0000022 - Disclosure - Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 0000023 - Disclosure - Stock-Based Compensation link:presentationLink link:calculationLink link:definitionLink 0000024 - Disclosure - Employee Benefit Plans link:presentationLink link:calculationLink link:definitionLink 0000025 - Disclosure - Restructuring Charges and Other link:presentationLink link:calculationLink link:definitionLink 0000026 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 0000027 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 0000028 - Disclosure - Basis of Presentation and Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 0000029 - 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Disclosure - Accrued Expenses (Tables) link:presentationLink link:calculationLink link:definitionLink 0000039 - Disclosure - Earnings Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 0000040 - Disclosure - Stockholders' Equity (Tables) link:presentationLink link:calculationLink link:definitionLink 0000041 - Disclosure - Stock-Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 0000042 - Disclosure - Employee Benefit Plans (Tables) link:presentationLink link:calculationLink link:definitionLink 0000043 - Disclosure - Restructuring Charges and Other (Tables) link:presentationLink link:calculationLink link:definitionLink 0000044 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 0000045 - Disclosure - Organization (Details) link:presentationLink link:calculationLink link:definitionLink 0000046 - Disclosure - Basis of Presentation and Significant Accounting Policies - Allowance for Doubtful Accounts (Details) link:presentationLink link:calculationLink link:definitionLink 0000047 - Disclosure - Basis of Presentation and Significant Accounting Policies - Useful Lives (Details) link:presentationLink link:calculationLink link:definitionLink 0000048 - Disclosure - Basis of Presentation and Significant Accounting Policies - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000049 - Disclosure - Revenue Recognition - Revenue Disaggregated by Geographic Area (Details) link:presentationLink link:calculationLink link:definitionLink 0000050 - Disclosure - Revenue Recognition - Revenue Disaggregated by Industry Sector (Details) link:presentationLink link:calculationLink link:definitionLink 0000051 - Disclosure - Revenue Recognition - Contract Balances (Details) link:presentationLink link:calculationLink link:definitionLink 0000052 - Disclosure - Revenue Recognition - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000052 - Disclosure - Revenue Recognition - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000053 - Disclosure - Acquisitions - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000054 - Disclosure - Acquisitions - Schedule of Fair Value of Assets Acquired and Liabilities Assumed at Acquisition Date (Details) link:presentationLink link:calculationLink link:definitionLink 0000055 - Disclosure - Acquisitions - Schedule of Unaudited Pro Forma Information (Details) link:presentationLink link:calculationLink link:definitionLink 0000056 - Disclosure - Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 0000057 - Disclosure - Intangible Assets - Summary of Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 0000058 - Disclosure - Intangible Assets - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000059 - Disclosure - Intangible Assets - Summary of Future Amortization Expense for Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 0000060 - Disclosure - Property and Equipment - Schedule of Property, Plant and Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 0000061 - Disclosure - Property and Equipment - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000062 - Disclosure - Leases - Supplemental Balance Sheet Information (Details) link:presentationLink link:calculationLink link:definitionLink 0000063 - Disclosure - Leases - Schedule of Weighted Average Remaining Lease Term and Discount Rate (Details) link:presentationLink link:calculationLink link:definitionLink 0000064 - Disclosure - Leases - Lease Expenses (Details) link:presentationLink link:calculationLink link:definitionLink 0000065 - Disclosure - Leases - Supplemental Cash Flows (Details) link:presentationLink link:calculationLink link:definitionLink 0000066 - Disclosure - Leases - Maturities of Operating and Financing Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 0000066 - Disclosure - Leases - Maturities of Operating and Financing Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 0000067 - Disclosure - Leases - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000068 - Disclosure - Debt and Financing Arrangements - Schedule of Debt (Details) link:presentationLink link:calculationLink link:definitionLink 0000069 - Disclosure - Debt and Financing Arrangements - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000070 - Disclosure - Debt and Financing Arrangements - Trade Receivables Sold (Details) link:presentationLink link:calculationLink link:definitionLink 0000071 - Disclosure - Fair Value Measurements and Financial Instruments - Fair Value of Debt (Details) link:presentationLink link:calculationLink link:definitionLink 0000072 - Disclosure - Fair Value Measurements and Financial Instruments - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000073 - Disclosure - Fair Value Measurements and Financial Instruments - Fair Value by Balance Sheet Location (Details) link:presentationLink link:calculationLink link:definitionLink 0000074 - Disclosure - Fair Value Measurements and Financial Instruments - Derivative and Nonderivative Instruments Designated as Hedges (Details) link:presentationLink link:calculationLink link:definitionLink 0000075 - Disclosure - Accrued Expenses (Details) link:presentationLink link:calculationLink link:definitionLink 0000076 - Disclosure - Earnings per Share - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000077 - Disclosure - Earnings per Share - Computations of Basic and Diluted Earnings (Loss) per Share (Details) link:presentationLink link:calculationLink link:definitionLink 0000078 - Disclosure - Stockholders' Equity (Details) link:presentationLink link:calculationLink link:definitionLink 0000079 - Disclosure - Stock-Based Compensation - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000080 - 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Disclosure - Income Taxes - Components of Income Tax Expense (Benefit) (Details) link:presentationLink link:calculationLink link:definitionLink 0000094 - Disclosure - Income Taxes - Reconciliation of the Expected U.S. Federal Income Tax Expense (Benefit) (Details) link:presentationLink link:calculationLink link:definitionLink 0000095 - Disclosure - Income Taxes - Deferred Tax Assets and Deferred Tax Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 0000096 - Disclosure - Income Taxes - Deferred Tax Asset And Deferred Tax Liability (Details) link:presentationLink link:calculationLink link:definitionLink 0000097 - Disclosure - Income Taxes - Operating Loss and Tax Credit Carryforwards (Details) link:presentationLink link:calculationLink link:definitionLink 0000098 - Disclosure - Income Taxes - Valuation Allowances (Details) link:presentationLink link:calculationLink link:definitionLink 0000099 - Disclosure - Income Taxes - Reconciliation of the Beginning Unrecognized Tax Benefits (Details) link:presentationLink link:calculationLink link:definitionLink 0000100 - Disclosure - Income Taxes - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink