0001001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 1001002 - Statement - CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 1002003 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1003004 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS link:presentationLink link:calculationLink link:definitionLink 1004005 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME link:presentationLink link:calculationLink link:definitionLink 1005006 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY link:presentationLink link:calculationLink link:definitionLink 1006007 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 2101101 - Disclosure - Description of Business link:presentationLink link:calculationLink link:definitionLink 2102102 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 2203201 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 2304301 - Disclosure - Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 2405401 - Disclosure - Summary of Significant Accounting Policies - Software Development Costs (Details) link:presentationLink link:calculationLink link:definitionLink 2406402 - Disclosure - Summary of Significant Accounting Policies - Concentration of Credit Risk (Details) link:presentationLink link:calculationLink link:definitionLink 2407403 - Disclosure - Summary of Significant Accounting Policies - Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 2408404 - Disclosure - Summary of Significant Accounting Policies - Foreign Currency (Details) link:presentationLink link:calculationLink link:definitionLink 2409405 - Disclosure - Summary of Significant Accounting Policies (Details) link:presentationLink link:calculationLink link:definitionLink 2410406 - Disclosure - Summary of Significant Accounting Policies - Geographical Information (Details) link:presentationLink link:calculationLink link:definitionLink 2111103 - Disclosure - Revenue link:presentationLink link:calculationLink link:definitionLink 2312302 - Disclosure - Revenue (Tables) link:presentationLink link:calculationLink link:definitionLink 2413407 - Disclosure - Revenue - Disaggregation of Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 2414408 - Disclosure - Revenue - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2415409 - Disclosure - Revenue - Contract Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 2416410 - Disclosure - Revenue - Remaining Performance Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 2416410 - Disclosure - Revenue - Remaining Performance Obligations (Details) link:presentationLink link:calculationLink link:definitionLink 2117104 - Disclosure - Acquisitions and Divestitures link:presentationLink link:calculationLink link:definitionLink 2418411 - Disclosure - Acquisitions and Divestitures - Acquisitions (Details) link:presentationLink link:calculationLink link:definitionLink 2419412 - Disclosure - Acquisitions and Divestitures - Divestitures (Details) link:presentationLink link:calculationLink link:definitionLink 2120105 - Disclosure - Allowance for Credit Losses link:presentationLink link:calculationLink link:definitionLink 2321303 - Disclosure - Allowance for Credit Losses (Tables) link:presentationLink link:calculationLink link:definitionLink 2422413 - Disclosure - Allowance for Credit Losses - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 2423414 - Disclosure - Allowance for Credit Losses - (Details) link:presentationLink link:calculationLink link:definitionLink 2124106 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 2325304 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 2426415 - Disclosure - Fair Value Measurements - Hierarchy (Details) link:presentationLink link:calculationLink link:definitionLink 2427416 - Disclosure - Fair Value Measurements - AFS Securities in Unrealized Loss Position (Details) link:presentationLink link:calculationLink link:definitionLink 2428417 - Disclosure - Fair Value Measurements - Marketable Securities (Details) link:presentationLink link:calculationLink link:definitionLink 2429418 - Disclosure - Fair Value Measurements - Level 3 Redeemable Noncontrolling Interests (Details) link:presentationLink link:calculationLink link:definitionLink 2130107 - Disclosure - Property and Equipment link:presentationLink link:calculationLink link:definitionLink 2331305 - Disclosure - Property and Equipment (Tables) link:presentationLink link:calculationLink link:definitionLink 2432419 - Disclosure - Property and Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 2133108 - Disclosure - Investments in Affiliates and Related Transactions link:presentationLink link:calculationLink link:definitionLink 2434420 - Disclosure - Investments in Affiliates and Related Transactions (Details) link:presentationLink link:calculationLink link:definitionLink 2135109 - Disclosure - Goodwill and Intangibles link:presentationLink link:calculationLink link:definitionLink 2336306 - Disclosure - Goodwill and Intangibles (Tables) link:presentationLink link:calculationLink link:definitionLink 2437421 - Disclosure - Goodwill and Intangibles - Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 2438422 - Disclosure - Goodwill and Intangibles - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 2439423 - Disclosure - Goodwill and Intangibles - Intangible Assets (Details) link:presentationLink link:calculationLink link:definitionLink 2440424 - Disclosure - Goodwill and Intangibles - Intangible Assets - Future Amortization (Details) link:presentationLink link:calculationLink link:definitionLink 2141110 - Disclosure - Accrued Expenses link:presentationLink link:calculationLink link:definitionLink 2342307 - Disclosure - Accrued Expenses (Tables) link:presentationLink link:calculationLink link:definitionLink 2443425 - Disclosure - Accrued Expenses (Details) link:presentationLink link:calculationLink link:definitionLink 2144111 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 2345308 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 2446426 - Disclosure - Leases - ROU Assets and Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 2447427 - Disclosure - Leases - Components of Lease Expense (Details) link:presentationLink link:calculationLink link:definitionLink 2448428 - Disclosure - Leases - Maturities of Operating Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 2448428 - Disclosure - Leases - Maturities of Operating Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 2449429 - Disclosure - Leases - Weighted Average Lease Term and Rates (Details) link:presentationLink link:calculationLink link:definitionLink 2150112 - Disclosure - Debt link:presentationLink link:calculationLink link:definitionLink 2351309 - Disclosure - Debt (Tables) link:presentationLink link:calculationLink link:definitionLink 2452430 - Disclosure - Debt - Revolving Credit Facility (Details) link:presentationLink link:calculationLink link:definitionLink 2453431 - Disclosure - Debt - Convertible Senior Notes (Details) link:presentationLink link:calculationLink link:definitionLink 2454432 - Disclosure - Debt - Interest Expense (Details) link:presentationLink link:calculationLink link:definitionLink 2155113 - Disclosure - Accumulated Other Comprehensive (Loss) / Income link:presentationLink link:calculationLink link:definitionLink 2356310 - Disclosure - Accumulated Other Comprehensive (Loss) / Income (Tables) link:presentationLink link:calculationLink link:definitionLink 2457433 - Disclosure - Accumulated Other Comprehensive (Loss) / Income (Details) link:presentationLink link:calculationLink link:definitionLink 2158114 - Disclosure - Capital Structure link:presentationLink link:calculationLink link:definitionLink 2359311 - Disclosure - Capital Structure (Tables) link:presentationLink link:calculationLink link:definitionLink 2460434 - Disclosure - Capital Structure - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 2461435 - Disclosure - Capital Structure - Preferred Stock (Details) link:presentationLink link:calculationLink link:definitionLink 2162115 - Disclosure - Stock Plans link:presentationLink link:calculationLink link:definitionLink 2363312 - Disclosure - Stock Plans (Tables) link:presentationLink link:calculationLink link:definitionLink 2464436 - Disclosure - Stock Plans - Plan Information (Details) link:presentationLink link:calculationLink link:definitionLink 2465437 - Disclosure - Stock Plans - Stock-based Compensation (Details) link:presentationLink link:calculationLink link:definitionLink 2466438 - Disclosure - Stock Plans - Options Vesting (Details) link:presentationLink link:calculationLink link:definitionLink 2467439 - Disclosure - Stock Plans - Black-Scholes Assumptions (Details) link:presentationLink link:calculationLink link:definitionLink 2468440 - Disclosure - Stock Plans - Stock Options (Details) link:presentationLink link:calculationLink link:definitionLink 2469441 - Disclosure - Stock Plans - Restricted Stock and Performance Stock (Details) link:presentationLink link:calculationLink link:definitionLink 2170116 - Disclosure - 401(k) Plan link:presentationLink link:calculationLink link:definitionLink 2471442 - Disclosure - 401(k) Plan (Details) link:presentationLink link:calculationLink link:definitionLink 2172117 - Disclosure - Restructuring link:presentationLink link:calculationLink link:definitionLink 2373313 - Disclosure - Restructuring (Tables) link:presentationLink link:calculationLink link:definitionLink 2474443 - Disclosure - Restructuring (Details) link:presentationLink link:calculationLink link:definitionLink 2175118 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 2376314 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 2477444 - Disclosure - Income Taxes - Components of Income before Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 2478445 - Disclosure - Income Taxes - Components of Income Tax Expense (Details) link:presentationLink link:calculationLink link:definitionLink 2479446 - Disclosure - Income Taxes - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 2480447 - Disclosure - Income Taxes - Reconciliation of Statutory Rate (Details) link:presentationLink link:calculationLink link:definitionLink 2481448 - Disclosure - Income Taxes - Deferred Tax Assets (Liabilities) Components (Details) link:presentationLink link:calculationLink link:definitionLink 2482449 - Disclosure - Income Taxes - Carryforwards (Details) link:presentationLink link:calculationLink link:definitionLink 2483450 - Disclosure - Income Taxes - Unrecognized Tax Benefits (Details) link:presentationLink link:calculationLink link:definitionLink 2184119 - Disclosure - Earnings per Common Share (EPS) link:presentationLink link:calculationLink link:definitionLink 2385315 - Disclosure - Earnings per Common Share (Tables) link:presentationLink link:calculationLink link:definitionLink 2486451 - Disclosure - Earnings per Common Share (Details) link:presentationLink link:calculationLink link:definitionLink 2187120 - Disclosure - Commitments link:presentationLink link:calculationLink link:definitionLink 2388316 - Disclosure - Commitments (Tables) link:presentationLink link:calculationLink link:definitionLink 2489452 - Disclosure - Commitments (Details) link:presentationLink link:calculationLink link:definitionLink 2190121 - Disclosure - Legal Matters link:presentationLink link:calculationLink link:definitionLink 2491453 - Disclosure - Legal Matters (Details) link:presentationLink link:calculationLink link:definitionLink 2192122 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 2493454 - Disclosure - Subsequent Events (Details) link:presentationLink link:calculationLink link:definitionLink 2194123 - Disclosure - Additional Financial Information link:presentationLink link:calculationLink link:definitionLink 2395317 - Disclosure - Additional Financial Information (Tables) link:presentationLink link:calculationLink link:definitionLink 2496455 - Disclosure - Additional Financial Information (Details) link:presentationLink link:calculationLink link:definitionLink 2197124 - Disclosure - Summary of Quarterly Results of Operations (Unaudited) link:presentationLink link:calculationLink link:definitionLink 2398318 - Disclosure - Summary of Quarterly Results of Operations (Unaudited) (Tables) link:presentationLink link:calculationLink link:definitionLink 2499456 - Disclosure - Summary of Quarterly Results of Operations (Unaudited) (Details) link:presentationLink link:calculationLink link:definitionLink