0000001 - Document - Document and Entity Information Document link:presentationLink link:calculationLink link:definitionLink 0000002 - Document - Audit Information link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - Consolidated Statements Of Comprehensive Income link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - Consolidated Statements Of Stockholders' Equity (Deficit) link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - Consolidated Statements Of Cash Flows link:presentationLink link:calculationLink link:definitionLink 9952156 - Disclosure - Description Of Business And Summary Of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - Financial Instruments link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Other Balance Sheet Items link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Debt And Interest Expense link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Stockholders' Deficit link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Calculation Of Net Income Per Share link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Segment Reporting link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Revenue Recognition link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Employee Benefits And Stock-Based Compensation link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Non-operating income, net link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Commitments And Contingencies link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Description Of Business And Summary Of Significant Accounting Policies (Policy) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Segment Reporting (Policies) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Financial Instruments (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Other Balance Sheet Items (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Debt And Interest Expense (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Stockholders' Deficit Stockholders' Deficit (Equity) (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Calculation Of Net Income Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Segment Reporting (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Revenue Recognition (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Employee Benefits And Stock-Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Non-operating income, net Non-operating income, net (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Commitments And Contingencies (Tables) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Description Of Business And Summary Of Significant Accounting Policies (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Financial Instruments (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Financial Instruments Financial Instruments narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Other Balance Sheet Items (Prepaid Expenses And Other Current Assets) (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Other Balance Sheet Items (Property And Equipment, Net) (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Other Balance Sheet Items Other Balance Sheet Items (Goodwill) (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Other Balance Sheet Items Other balance Sheet items (Other long-term assets) (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Other Balance Sheet Items (Components Of Accounts Payable And Accrued Liabilities) (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Other Balance Sheet Items (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Other Balance Sheet Items Other Balance Sheet Non-Current Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Debt And Interest Expense Debt and Interest Expense (Senior Notes) (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Debt And Interest Expense Debt and Interest Expense (Senior Notes) (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Debt And Interest Expense (Credit Facilities) (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Stockholders' (Deficit) Equity (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Stockholders' Deficit Stockholders' (Deficit) Equity (Summary of Common Stock Repurchase) (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Calculation Of Net Income Per Share (Weighted-Average Shares Used In Calculation Of Basic And Diluted EPS) (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Calculation Of Net Income Per Share (Schedule Of Weighted-Average Potential Shares Excluded From Computation Of EPS) (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Segment Reporting (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Segment Reporting (Schedule of Segment Reporting Information, Reconcile to Net Income) (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Revenue Recognition (Comparison Of Geographic Revenues) (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Revenue Recognition (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Employee Benefits And Stock-Based Compensation (401(k) Plan To 2007 Employee Stock Purchase Plan) (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Employee Benefits And Stock-Based Compensation Employee Benefits and Stock-Based Compensation (Classification of Share-based Compensation (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Employee Benefits And Stock-Based Compensation Employee Benefits And Stock-Based Compensation (Share-based Compensation by award type) (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Employee Benefits And Stock-Based Compensation (Stock Based Compensation to Modifications) (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Employee Benefits And Stock-Based Compensation (Summary Of Unvested RSUs Activity) (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Employee Benefits And Stock-Based Compensation (Summary Of Stock Options Activity) (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - Non-operating income, net Non-Operating income, net (Components of Non-operating income, net) (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - Income Taxes (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - Income Taxes (Income From Continuing Operations Before Income Taxes) (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - Income Taxes (Components Of Provision For Income Taxes) (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - Income Taxes (Reconciliation Of Income Tax At Effective Income Tax Rate) (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - Income Taxes (Summary Of Deferred Tax Assets And Liabilities) (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - Income Taxes (Reconciliation Of Gross Unrecognized Tax Benefits) (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - Commitments And Contingencies (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955559 - Disclosure - Commitments And Contingencies (Minimum Payments Required Under Purchase Obligations) (Details) link:presentationLink link:calculationLink link:definitionLink