0000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 0000002 - Document - Audit Information link:presentationLink link:calculationLink link:definitionLink 0000003 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS link:presentationLink link:calculationLink link:definitionLink 0000004 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME link:presentationLink link:calculationLink link:definitionLink 0000005 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 0000006 - Statement - CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 0000007 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 0000008 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 0000009 - Statement - CONSOLIDATED STATEMENTS OF STOCKHOLDERS EQUITY link:presentationLink link:calculationLink link:definitionLink 0000010 - Disclosure - Business and Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 0000011 - Disclosure - Revenue Recognition link:presentationLink link:calculationLink link:definitionLink 0000012 - Disclosure - Financial Instruments link:presentationLink link:calculationLink link:definitionLink 0000013 - Disclosure - Equity Compensation link:presentationLink link:calculationLink link:definitionLink 0000014 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 0000015 - Disclosure - Acquisitions link:presentationLink link:calculationLink link:definitionLink 0000016 - Disclosure - Deferred Compensation link:presentationLink link:calculationLink link:definitionLink 0000017 - Disclosure - Borrowing Arrangements link:presentationLink link:calculationLink link:definitionLink 0000018 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 0000019 - Disclosure - Derivative Instruments link:presentationLink link:calculationLink link:definitionLink 0000020 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 0000021 - Disclosure - Stock Repurchase Program link:presentationLink link:calculationLink link:definitionLink 0000022 - Disclosure - Interest and Other Expense, net link:presentationLink link:calculationLink link:definitionLink 0000023 - Disclosure - Accumulated Other Comprehensive Loss link:presentationLink link:calculationLink link:definitionLink 0000024 - Disclosure - Net Income Per Share link:presentationLink link:calculationLink link:definitionLink 0000025 - Disclosure - Retirement Benefit Plans link:presentationLink link:calculationLink link:definitionLink 0000026 - Disclosure - SCHEDULE II: VALUATION AND QUALIFYING ACCOUNTS link:presentationLink link:calculationLink link:definitionLink 0000027 - Disclosure - Business and Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 0000028 - Disclosure - Business and Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 0000029 - Disclosure - Revenue Recognition (Tables) link:presentationLink link:calculationLink link:definitionLink 0000030 - Disclosure - Financial Instruments (Tables) link:presentationLink link:calculationLink link:definitionLink 0000031 - Disclosure - Equity Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 0000032 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 0000033 - Disclosure - Acquisitions (Tables) link:presentationLink link:calculationLink link:definitionLink 0000034 - Disclosure - Borrowing Arrangements (Tables) link:presentationLink link:calculationLink link:definitionLink 0000035 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 0000036 - Disclosure - Derivative Instruments (Tables) link:presentationLink link:calculationLink link:definitionLink 0000037 - Disclosure - Interest and Other Expense, net (Tables) link:presentationLink link:calculationLink link:definitionLink 0000038 - Disclosure - Accumulated Other Comprehensive Loss (Tables) link:presentationLink link:calculationLink link:definitionLink 0000039 - Disclosure - Net Income Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 0000040 - Disclosure - Retirement Benefit Plans (Tables) link:presentationLink link:calculationLink link:definitionLink 0000041 - Disclosure - Business and Summary of Significant Accounting Policies - Change in presentation (Details) link:presentationLink link:calculationLink link:definitionLink 0000042 - Disclosure - Business and Summary of Significant Accounting Policies - Segments (Details) link:presentationLink link:calculationLink link:definitionLink 0000043 - Disclosure - Business and Summary of Significant Accounting Policies - Revenue Recognition (Details) link:presentationLink link:calculationLink link:definitionLink 0000044 - Disclosure - Business and Summary of Significant Accounting Policies - Derivatives (Details) link:presentationLink link:calculationLink link:definitionLink 0000045 - Disclosure - Business and Summary of Significant Accounting Policies - Accounts Receivable, Net (Details) link:presentationLink link:calculationLink link:definitionLink 0000046 - Disclosure - Business and Summary of Significant Accounting Policies - Concentration of Credit Risk (Details) link:presentationLink link:calculationLink link:definitionLink 0000047 - Disclosure - Business and Summary of Significant Accounting Policies - Intangible Assets and Related Accumulated Amortization (Details) link:presentationLink link:calculationLink link:definitionLink 0000048 - Disclosure - Business and Summary of Significant Accounting Policies - Expected Future Amortization Expense for Purchased Technologies, Customer Relationships and Trade Names (Details) link:presentationLink link:calculationLink link:definitionLink 0000049 - Disclosure - Business and Summary of Significant Accounting Policies - Computer Equipment, Software, Furniture and Leasehold Improvements, Net (Details) link:presentationLink link:calculationLink link:definitionLink 0000050 - Disclosure - Business and Summary of Significant Accounting Policies - Changes In the Carrying Amount of Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 0000051 - Disclosure - Business and Summary of Significant Accounting Policies - Stock Based Compensation Expense (Details) link:presentationLink link:calculationLink link:definitionLink 0000052 - Disclosure - Business and Summary of Significant Accounting Policies - Assumption Used to Estimate the Fair Value of Stock-Based Awards (Details) link:presentationLink link:calculationLink link:definitionLink 0000053 - Disclosure - Business and Summary of Significant Accounting Policies - Advertising Expense (Details) link:presentationLink link:calculationLink link:definitionLink 0000054 - Disclosure - Revenue Recognition - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000054 - Disclosure - Revenue Recognition - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000055 - Disclosure - Revenue Recognition - Contract Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 0000056 - Disclosure - Financial Instruments - financial Instruments by Significant Investment Category (Details) link:presentationLink link:calculationLink link:definitionLink 0000056 - Disclosure - Financial Instruments - financial Instruments by Significant Investment Category (Details) link:presentationLink link:calculationLink link:definitionLink 0000057 - Disclosure - Financial Instruments - Schedule of Investments Classified by Contractual Maturity Date (Details) link:presentationLink link:calculationLink link:definitionLink 0000058 - Disclosure - Financial Instruments - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000059 - Disclosure - Financial Instruments - Non-Marketable Equity Securities (Details) link:presentationLink link:calculationLink link:definitionLink 0000060 - Disclosure - Financial Instruments - Measured At Fair Value on Recurring Basis (Details) link:presentationLink link:calculationLink link:definitionLink 0000061 - Disclosure - Financial Instruments - Reconciliation of the Change in Level 3 Items (Details) link:presentationLink link:calculationLink link:definitionLink 0000062 - Disclosure - Equity Compensation - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000063 - Disclosure - Equity Compensation - Summary of Restricted Stock Activity (Details) link:presentationLink link:calculationLink link:definitionLink 0000064 - Disclosure - Equity Compensation - ESPP Activity (Details) link:presentationLink link:calculationLink link:definitionLink 0000065 - Disclosure - Equity Compensation - Equity Compensation Plan Information (Details) link:presentationLink link:calculationLink link:definitionLink 0000066 - Disclosure - Income Taxes - Provision for Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 0000067 - Disclosure - Income Taxes - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000068 - Disclosure - Income Taxes - Differences between the U.S. statutory rate and the aggregate income tax provision (Details) link:presentationLink link:calculationLink link:definitionLink 0000069 - Disclosure - Income Taxes - Components Of Deferred Tax Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 0000070 - Disclosure - Income Taxes - Unrecognized Tax Benefits Reconciliation (Details) link:presentationLink link:calculationLink link:definitionLink 0000071 - Disclosure - Acquisitions - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000072 - Disclosure - Acquisitions - Summary of Fair Value of Assets Acquired and Liabilities Assumed by Major Class (Details) link:presentationLink link:calculationLink link:definitionLink 0000073 - Disclosure - Deferred Compensation (Details) link:presentationLink link:calculationLink link:definitionLink 0000074 - Disclosure - Borrowing Arrangements - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000075 - Disclosure - Borrowing Arrangements - Fair Value of Market Price (Details) link:presentationLink link:calculationLink link:definitionLink 0000076 - Disclosure - Borrowing Arrangements - Future Minimum Payments For Borrowings (Details) link:presentationLink link:calculationLink link:definitionLink 0000077 - Disclosure - Leases - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000078 - Disclosure - Leases - Lease Costs and Cash Flow Information (Details) link:presentationLink link:calculationLink link:definitionLink 0000079 - Disclosure - Leases - Maturities of Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 0000079 - Disclosure - Leases - Maturities of Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 0000080 - Disclosure - Derivative Instruments - Fair Value of Derivative Instruments (Details) link:presentationLink link:calculationLink link:definitionLink 0000081 - Disclosure - Derivative Instruments - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000082 - Disclosure - Derivative Instruments - Effects of Derivative Instruments on Condensed Consolidated Statements of Operations (Details) link:presentationLink link:calculationLink link:definitionLink 0000083 - Disclosure - Commitments and Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink 0000084 - Disclosure - Stock Repurchase Program (Details) link:presentationLink link:calculationLink link:definitionLink 0000085 - Disclosure - Interest and Other Expense, net (Details) link:presentationLink link:calculationLink link:definitionLink 0000086 - Disclosure - Accumulated Other Comprehensive Loss (Details) link:presentationLink link:calculationLink link:definitionLink 0000087 - Disclosure - Net Income Per Share - Computation of Net Income Per Share Amounts (Details) link:presentationLink link:calculationLink link:definitionLink 0000088 - Disclosure - Net Income Per Share - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000089 - Disclosure - Retirement Benefit Plans - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 0000090 - Disclosure - Retirement Benefit Plans - Estimated Payments (Details) link:presentationLink link:calculationLink link:definitionLink 0000091 - Disclosure - SCHEDULE II: VALUATION AND QUALIFYING ACCOUNTS (Details) link:presentationLink link:calculationLink link:definitionLink