0000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 0000002 - Document - Audit Information link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 9952157 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Business and Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Revenue Recognition link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Financial Instruments link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Equity Compensation link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Acquisitions link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Deferred Compensation link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Borrowing Arrangements link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Derivative Instruments link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Stock Repurchase Program link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Interest and Other Income (Expense), net link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - Accumulated Other Comprehensive Loss link:presentationLink link:calculationLink link:definitionLink 9952172 - Disclosure - Net Income Per Share link:presentationLink link:calculationLink link:definitionLink 9952173 - Disclosure - Retirement Benefit Plans link:presentationLink link:calculationLink link:definitionLink 9952174 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 9952175 - Disclosure - SCHEDULE II: VALUATION AND QUALIFYING ACCOUNTS link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Business and Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Business and Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Revenue Recognition (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Financial Instruments (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Equity Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Acquisitions (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Borrowing Arrangements (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Derivative Instruments (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Interest and Other Income (Expense), net (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Accumulated Other Comprehensive Loss (Tables) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Net Income Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Retirement Benefit Plans (Tables) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Business and Summary of Significant Accounting Policies - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Business and Summary of Significant Accounting Policies - Schedule of Segments (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Business and Summary of Significant Accounting Policies - Schedule of Other Segments (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Business and Summary of Significant Accounting Policies - Schedule of Long-lived Assets by Geographic Areas (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Business and Summary of Significant Accounting Policies - Revenue Recognition (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Business and Summary of Significant Accounting Policies - Derivatives (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Business and Summary of Significant Accounting Policies - Schedule of Accounts Receivable, Net (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Business and Summary of Significant Accounting Policies - Concentration of Credit Risk (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Business and Summary of Significant Accounting Policies - Intangible Assets, Net (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Business and Summary of Significant Accounting Policies - Schedule of Intangible Assets and Related Accumulated Amortization (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Business and Summary of Significant Accounting Policies - Schedule of Expected Future Amortization Expense for Purchased Technologies, Customer Relationships and Trade Names (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Business and Summary of Significant Accounting Policies - Computer Equipment, Software, Furniture, and Leasehold Improvements, Net (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Business and Summary of Significant Accounting Policies - Schedule of Computer Equipment, Software, Furniture and Leasehold Improvements, Net (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Business and Summary of Significant Accounting Policies - Cloud Computing Arrangements (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Business and Summary of Significant Accounting Policies - Schedule of Changes In the Carrying Amount of Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Business and Summary of Significant Accounting Policies - Schedule of Stock Based Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Business and Summary of Significant Accounting Policies - Schedule of Share-based Compensation Arrangements by Share-based Payment Award (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Business and Summary of Significant Accounting Policies - Stock-based Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Business and Summary of Significant Accounting Policies - Advertising Expense (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Revenue Recognition - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Revenue Recognition - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Revenue Recognition - Schedule of Contract Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Financial Instruments - Schedule of Financial Instruments by Significant Investment Category (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Financial Instruments - Schedule of Financial Instruments by Significant Investment Category (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Financial Instruments - Schedule of Investments Classified by Contractual Maturity Date (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Financial Instruments - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Financial Instruments - Schedule of Marketable Securities (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Financial Instruments - Schedule of Non-Marketable Equity Securities (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - Financial Instruments - Schedule of Measured At Fair Value on Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - Equity Compensation - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - Equity Compensation - Schedule of Restricted Stock Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - Equity Compensation - Schedule of ESPP Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - Equity Compensation - Schedule of Equity Compensation Plan Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - Income Taxes - Schedule of Provision for Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - Income Taxes - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - Income Taxes - Schedule of Differences between the U.S. statutory rate and the aggregate income tax provision (Details) link:presentationLink link:calculationLink link:definitionLink 9955559 - Disclosure - Income Taxes - Schedule of Components Of Deferred Tax Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955560 - Disclosure - Income Taxes - Schedule of Unrecognized Tax Benefits Reconciliation (Details) link:presentationLink link:calculationLink link:definitionLink 9955561 - Disclosure - Acquisitions - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955562 - Disclosure - Acquisitions - Schedule of Fair Value of Assets Acquired and Liabilities Assumed by Major Class (Details) link:presentationLink link:calculationLink link:definitionLink 9955563 - Disclosure - Deferred Compensation (Details) link:presentationLink link:calculationLink link:definitionLink 9955564 - Disclosure - Borrowing Arrangements - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955565 - Disclosure - Borrowing Arrangements - Schedule of Fair Value of Market Price (Details) link:presentationLink link:calculationLink link:definitionLink 9955566 - Disclosure - Borrowing Arrangements - Schedule of Future Minimum Payments For Borrowings (Details) link:presentationLink link:calculationLink link:definitionLink 9955567 - Disclosure - Leases - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955568 - Disclosure - Leases - Schedule of Lease Costs and Cash Flow Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955569 - Disclosure - Leases - Schedule of Maturities of Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955569 - Disclosure - Leases - Schedule of Maturities of Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955570 - Disclosure - Derivative Instruments - Schedule of Fair Value of Derivative Instruments (Details) link:presentationLink link:calculationLink link:definitionLink 9955571 - Disclosure - Derivative Instruments - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955572 - Disclosure - Commitments and Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink 9955573 - Disclosure - Stock Repurchase Program (Details) link:presentationLink link:calculationLink link:definitionLink 9955574 - Disclosure - Interest and Other Income (Expense), net (Details) link:presentationLink link:calculationLink link:definitionLink 9955575 - Disclosure - Accumulated Other Comprehensive Loss (Details) link:presentationLink link:calculationLink link:definitionLink 9955576 - Disclosure - Net Income Per Share - Schedule of Computation of Net Income Per Share Amounts (Details) link:presentationLink link:calculationLink link:definitionLink 9955577 - Disclosure - Net Income Per Share - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955578 - Disclosure - Retirement Benefit Plans - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955579 - Disclosure - Retirement Benefit Plans - Schedule of Estimated Payments (Details) link:presentationLink link:calculationLink link:definitionLink 9955580 - Disclosure - Subsequent Events (Details) link:presentationLink link:calculationLink link:definitionLink 9955581 - Disclosure - SCHEDULE II: VALUATION AND QUALIFYING ACCOUNTS (Details) link:presentationLink link:calculationLink link:definitionLink