00100 - Statement - Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 00200 - Statement - Consolidated Statements Of Income link:presentationLink link:calculationLink link:definitionLink 00300 - Statement - Consolidated Statements Of Shareholders' Equity link:presentationLink link:calculationLink link:definitionLink 00400 - Statement - Consolidated Statements Of Cash Flows link:presentationLink link:calculationLink link:definitionLink 40103 - Disclosure - Nature Of Business And Summary Of Significant Accounting Policies (Accumulated Other Comprehensive Loss) (Details) link:presentationLink link:calculationLink link:definitionLink 40304 - Disclosure - Cash And Investments (Fair Value Of Debt Securities By Contractual Maturity) (Details) link:presentationLink link:calculationLink link:definitionLink 40502 - Disclosure - Derivative Instruments (Outstanding Foreign Currency Forward And Option Contracts) (Details) link:presentationLink link:calculationLink link:definitionLink 40601 - Disclosure - Property And Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 40702 - Disclosure - Intangible Assets And Goodwill (Schedule Of Intangible Assets) (Details) link:presentationLink link:calculationLink link:definitionLink 40703 - Disclosure - Intangible Assets And Goodwill (Schedule Of Future Amortization Expense From Intangible Assets Held) (Details) link:presentationLink link:calculationLink link:definitionLink 40802 - Disclosure - Earnings Per Share (Calculation Of Basic And Diluted Earnings Per Share) (Details) link:presentationLink link:calculationLink link:definitionLink 40907 - Disclosure - Shareholders' Equity (Classification Of Stock-Based Compensation Expense) (Details) link:presentationLink link:calculationLink link:definitionLink 41102 - Disclosure - Income Taxes (Components Of Pretax Income) (Details) link:presentationLink link:calculationLink link:definitionLink 41103 - Disclosure - Income Taxes (Provisions For Income Taxes) (Details) link:presentationLink link:calculationLink link:definitionLink 41104 - Disclosure - Income Taxes (Summary Of Deferred Taxes) (Details) link:presentationLink link:calculationLink link:definitionLink 41105 - Disclosure - Income Taxes (Reconciliation Of The U.S. Federal Statutory Rate To The Effective Tax Rate) (Details) link:presentationLink link:calculationLink link:definitionLink 41302 - Disclosure - Commitments And Contingencies (Future Minimum Rental Payments) (Details) link:presentationLink link:calculationLink link:definitionLink 00090 - Document - Document And Entity Information link:presentationLink link:calculationLink link:definitionLink 00105 - Statement - Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 10101 - Disclosure - Nature Of Business And Summary Of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 10201 - Disclosure - Business Combinations link:presentationLink link:calculationLink link:definitionLink 10301 - Disclosure - Cash And Investments link:presentationLink link:calculationLink link:definitionLink 10401 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 10501 - Disclosure - Derivative Instruments link:presentationLink link:calculationLink link:definitionLink 10601 - Disclosure - Property And Equipment link:presentationLink link:calculationLink link:definitionLink 10701 - Disclosure - Intangible Assets And Goodwill link:presentationLink link:calculationLink link:definitionLink 10801 - Disclosure - Earnings Per Share link:presentationLink link:calculationLink link:definitionLink 10901 - Disclosure - Shareholders' Equity link:presentationLink link:calculationLink link:definitionLink 11001 - Disclosure - Retirement Plan link:presentationLink link:calculationLink link:definitionLink 11101 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 11201 - Disclosure - Debt Arrangements link:presentationLink link:calculationLink link:definitionLink 11301 - Disclosure - Commitments And Contingencies link:presentationLink link:calculationLink link:definitionLink 11401 - Disclosure - Business Segments And International Operations link:presentationLink link:calculationLink link:definitionLink 11501 - Disclosure - Restructuring Charges link:presentationLink link:calculationLink link:definitionLink 11601 - Disclosure - Selected Quarterly Financial Data link:presentationLink link:calculationLink link:definitionLink 20102 - Disclosure - Nature Of Business And Summary Of Significant Accounting Policies (Policy) link:presentationLink link:calculationLink link:definitionLink 30103 - Disclosure - Nature Of Business And Summary Of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 30203 - Disclosure - Business Combinations (Tables) link:presentationLink link:calculationLink link:definitionLink 30303 - Disclosure - Cash And Investments (Tables) link:presentationLink link:calculationLink link:definitionLink 30403 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 30503 - Disclosure - Derivative Instruments (Tables) link:presentationLink link:calculationLink link:definitionLink 30603 - Disclosure - Property And Equipment (Tables) link:presentationLink link:calculationLink link:definitionLink 30703 - Disclosure - Intangible Assets And Goodwill (Tables) link:presentationLink link:calculationLink link:definitionLink 30803 - Disclosure - Earnings Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 30903 - Disclosure - Shareholders' Equity (Tables) link:presentationLink link:calculationLink link:definitionLink 31103 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 31303 - Disclosure - Commitments And Contingencies (Tables) link:presentationLink link:calculationLink link:definitionLink 31403 - Disclosure - Business Segments And International Operations (Tables) link:presentationLink link:calculationLink link:definitionLink 31503 - Disclosure - Restructuring Charges (Tables) link:presentationLink link:calculationLink link:definitionLink 31603 - Disclosure - Selected Quarterly Financial Data (Tables) link:presentationLink link:calculationLink link:definitionLink 40101 - Disclosure - Nature Of Business And Summary Of Significant Accounting Policies (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 40102 - Disclosure - Nature Of Business And Summary Of Significant Accounting Policies (Allowances Against Accounts Receivable) (Details) link:presentationLink link:calculationLink link:definitionLink 40201 - Disclosure - Business Combinations (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 40202 - Disclosure - Business Combinations (Final Allocation Of The Purchase Price) (Details) link:presentationLink link:calculationLink link:definitionLink 40301 - Disclosure - Cash And Investments (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 40302 - Disclosure - Cash And Investments (Summary Of Cash, Cash Equivalents And Trading And Available-For-Sale Investments) (Details) link:presentationLink link:calculationLink link:definitionLink 40303 - Disclosure - Cash And Investments (Summary Of Cash, Cash Equivalents And Available-For-Sale Investments By Balance Sheet Classification) (Details) link:presentationLink link:calculationLink link:definitionLink 40305 - Disclosure - Cash And Investments (Investments With Continuous Unrealized Losses And Their Related Fair Values) (Details) link:presentationLink link:calculationLink link:definitionLink 40401 - Disclosure - Fair Value Measurements (Fair Value Measurements Within The Fair Value Hierarchy Of The Financial Assets) (Details) link:presentationLink link:calculationLink link:definitionLink 40402 - Disclosure - Fair Value Measurements (Activity For Financial Assets Measured At Fair Value Using Level 3 Inputs) (Details) link:presentationLink link:calculationLink link:definitionLink 40501 - Disclosure - Derivative Instruments (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 40701 - Disclosure - Intangible Assets And Goodwill (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 40704 - Disclosure - Intangible Assets And Goodwill (Summary Of Changes In The Carrying Amount Of Goodwill) (Details) link:presentationLink link:calculationLink link:definitionLink 40801 - Disclosure - Earnings Per Share (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 40901 - Disclosure - Shareholders' Equity (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 40902 - Disclosure - Shareholders' Equity (Summary Of Share Activity) (Details) link:presentationLink link:calculationLink link:definitionLink 40903 - Disclosure - Shareholders' Equity (Summary Of Stock Option Activity) (Details) link:presentationLink link:calculationLink link:definitionLink 40904 - Disclosure - Shareholders' Equity (Exercise Price Ranges, Characteristics Of Outstanding And Exercisable Stock Options) (Details) link:presentationLink link:calculationLink link:definitionLink 40905 - Disclosure - Shareholders' Equity (Options Outstanding, Vested And Expected To Vest) (Details) link:presentationLink link:calculationLink link:definitionLink 40906 - Disclosure - Shareholders' Equity (Summary Of Status Of Restricted Stock Units) (Details) link:presentationLink link:calculationLink link:definitionLink 40908 - Disclosure - Shareholders' Equity (Fair Value Of Options And Employee Stock Purchase Plan Shares Granted, Weighted Average Assumptions) (Details) link:presentationLink link:calculationLink link:definitionLink 40909 - Disclosure - Shareholders' Equity (Activity Stock Options And Stock Awards) (Details) link:presentationLink link:calculationLink link:definitionLink 41001 - Disclosure - Retirement Plan (Details) link:presentationLink link:calculationLink link:definitionLink 41101 - Disclosure - Income Taxes (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 41106 - Disclosure - Income Taxes (Reconciliation Of Unrecognized Tax Benefits) (Details) link:presentationLink link:calculationLink link:definitionLink 41201 - Disclosure - Debt Arrangements (Details) link:presentationLink link:calculationLink link:definitionLink 41301 - Disclosure - Commitments And Contingencies (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 41401 - Disclosure - Business Segments And International Operations (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 41402 - Disclosure - Business Segments And International Operations (Revenue And Income From Operations From Reportable Segments) (Details) link:presentationLink link:calculationLink link:definitionLink 41403 - Disclosure - Business Segments And International Operations (Revenue From External Customers By Revenue Type) (Details) link:presentationLink link:calculationLink link:definitionLink 41404 - Disclosure - Business Segments And International Operations (Revenue From External Customers From Different Geographical Areas) (Details) link:presentationLink link:calculationLink link:definitionLink 41501 - Disclosure - Restructuring Charges (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 41502 - Disclosure - Restructuring Charges (Summary Of Restructuring Activity) (Details) link:presentationLink link:calculationLink link:definitionLink 41601 - Disclosure - Selected Quarterly Financial Data (Selected Quarterly Financial Data) (Details) link:presentationLink link:calculationLink link:definitionLink