Accounts Notes Loans And Financing Receivable By Receivable Type [Axis] Receivable Type [Axis] Accounts Payable Current Accounts payable Accounts Receivable Net Current Accounts receivable, net Accounts receivable, net and other Accrued Liabilities Current Accrued expenses and other Accrued Liabilities For Unredeeemed Gift Cards Unredeemed gift certificates Accrued Liabilities, Policy [Text Block] Accrued Liabilities Policy [Text Block] Accrued Expenses and Other Accumulated Depreciation Depletion And Amortization Property Plant And Equipment Total accumulated depreciation Accumulated Net Unrealized Investment Gain Loss [Member] Accumulated Net Unrealized Investment Gain (Loss) Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income Loss [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income Loss Net Of Tax Ending Balance Beginning Balance Accumulated other comprehensive loss Accumulated Other Comprehensive Income Loss Note Disclosure [Text Block] Accumulated Other Comprehensive Income Loss Note Disclosure [Text Block] ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income Loss [Table] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income [Member] Accumulated Other Comprehensive Income (Loss) Accumulated Translation Adjustment [Member] Accumulated Translation Adjustment Acquired Companies [Member] Acquired Companies [Member] One of acquired companies Acquired Company A [Member] Acquired Company A [Member] One of acquired companies Acquired Finite Lived Intangible Assets [Line Items] Acquired Finite-Lived Intangible Assets [Line Items] Acquired Finite Lived Intangible Assets Weighted Average Useful Life Acquired intangible assets, weighted-average amortization period (in years) Weighted Average Life Remaining Acquired Intangible Assets by Major Class [Axis] Acquired Intangible Assets By Major Class [Axis] Acquired Intangible Assets by Major Class [Axis] Acquired Intangible Assets, Major Class Name [Domain] Acquired Intangible Assets Major Class Name [Domain] Acquired Intangible Assets, Major Class Name [Domain] Acquisitions, Goodwill and Intangible Assets Disclosure Acquisitions Goodwill And Intangible Assets Disclosure [Text Block] ACQUISITIONS, GOODWILL, AND ACQUIRED INTANGIBLE ASSETS Additional [Member] Additional [Member] Additional patents Additional Paid In Capital Additional paid-in capital Additional Paid In Capital [Member] Additional Paid-In Capital The increase during the period in the liability reflecting services yet to be performed by the reporting entity for which cash or other forms of consideration was received. Additions To Unearned Revenue Additions to unearned revenue Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation Excess tax benefits from stock-based compensation Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Adjustments to reconcile net income (loss) to net cash from operating activities: Allocated Share Based Compensation Expense Stock-based compensation Allowance For Doubtful Accounts, Policy [Text Block] Allowance For Doubtful Accounts Policy [Text Block] Allowance for Doubtful Accounts Allowance For Doubtful Accounts Receivable Allowance for doubtful accounts Amendment Flag Amendment Flag Amortization Of Acquired Intangible Assets Amortization expense for acquired intangibles Amortization Of Leased Asset Amortization of fixed assets acquired under capital lease obligations The decrease during the period in the liability reflecting the portion taken into income for services performed by the reporting entity for which cash or other forms of consideration were previously received. Amortization Of Previously Unearned Revenue Amortization of previously unearned revenue Asset Backed Securities [Member] Asset-backed securities Assets Total assets Total assets Assets [Abstract] ASSETS Assets Current Total current assets Assets Current [Abstract] Current assets: Assets Held under Build To Suit Leases [Member] Assets Held Under Build To Suit Leases [Member] Assets Held under Build-To-Suit Leases Assets Held Under Capital Leases [Member] Assets Held under Capital Leases Available For Sale Securities Gross Realized Gains Realized gains Available For Sale Securities Gross Realized Losses Realized losses Award Type [Axis] Award Type [Axis] Building [Member] Building Business Acquisition Acquiree [Domain] Business Acquisition, Acquiree [Domain] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition Cost Of Acquired Entity Cash Paid Cash paid, net of cash acquired Business Acquisition Cost Of Acquired Entity Equity Interests Issued And Issuable Existing equity interest Business Acquisition, Cost of Acquired Entity, Indemnification Holdbacks Business Acquisition Cost Of Acquired Entity Indemnification Holdbacks Indemnification holdbacks Business Acquisition Cost Of Acquired Entity Other Noncash Consideration Stock options assumed Business Acquisition Cost Of Acquired Entity Purchase Price Business acquisition, purchase price Business acquisition, purchase price Business Acquisition [Line Items] Business Acquisition [Line Items] Business Acquisition, Pro Forma Information [Line Items] Business Acquisition Pro Forma Information [Line Items] Business Acquisition, Pro Forma Information [Line Items] Business Acquisition, Pro Forma Information [Table] Business Acquisition Pro Forma Information [Table] Business Acquisition, Pro Forma Information [Table] Business Acquisition Pro Forma Information [Text Block] Business Acquisitions Pro Forma Financial Information Business Acquisition Purchase Price Allocation Amortizable Intangible Assets Purchase price, acquired intangible assets Business Acquisition, Purchase Price Allocation, Contingent Liability Business Acquisition Purchase Price Allocation Contingent Liability Purchase price allocation, contingent liability related to historic tax exposures Business Acquisition Purchase Price Allocation Current Liabilities Accounts Payable Accounts payable Business Acquisition Purchase Price Allocation Deferred Tax Assets Noncurrent Deferred tax assets Business Acquisition Purchase Price Allocation Deferred Tax Liabilities Noncurrent Deferred tax liabilities Business Acquisition Purchase Price Allocation Goodwill Amount Goodwill Purchase price, acquired goodwill Business Acquisition Purchase Price Allocation Intangible Assets Other Than Goodwill Intangible assets Business Acquisition Purchase Price Allocation Noncurrent Liabilities Long Term Debt Debt Business Acquisition Purchase Price Allocation Other Assets Other assets acquired Business Acquisition Purchase Price Allocation Other Liabilities Other liabilities assumed Business Acquisition Purchase Price Allocation Property Plant And Equipment Property and equipment Business Acquisitions Pro Forma Net Income Loss Net income (loss) Business Acquisitions Pro Forma Revenue Net sales Business Combination Pro Forma Information Earnings Or Loss Of Acquiree Since Acquisition Date Actual Net losses Business Combination Pro Forma Information Revenue Of Acquiree Since Acquisition Date Actual Net sales Business Description And Accounting Policies [Text Block] DESCRIPTION OF BUSINESS AND ACCOUNTING POLICIES Capitalized Computer Software Additions Capitalized costs associated with internal-use software and website development, stock-based compensation Capitalized Computer Software Amortization Capitalized costs associated with internal-use software and website development, amortization of previously capitalized amounts Capitalized Computer Software Gross Internal-use software Capitalized Computer Software Period Increase Decrease Capitalized costs associated with internal-use software and website development Capital Leased Assets Gross Gross assets remaining under leases Capital Lease Obligations Gross capital lease obligations Capital Lease Obligations Current Less current portion of capital lease obligation Capital Lease Obligations [Member] Long-term capital lease obligations Capital Lease Obligations Noncurrent Long-term lease obligations Total long-term capital lease obligations Capital Leases Future Minimum Payments Interest Included In Payments Less imputed interest Capital Leases Future Minimum Payments Present Value Of Net Minimum Payments Present value of net minimum lease payments Capital Leases Lessee Balance Sheet Assets By Major Class Accumulated Deprecation Accumulated depreciation associated with leases Cash And Cash Equivalents At Carrying Value CASH AND CASH EQUIVALENTS, END OF PERIOD CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD Cash and cash equivalents Cash And Cash Equivalents Period Increase Decrease Net increase (decrease) in cash and cash equivalents Cash And Cash Equivalents Policy [Text Block] Cash and Cash Equivalents Cost or Amortized Cost Cash Cash Equivalents And Marketable Securities Amortized Cost Cost or Amortized Cost Total Estimated Fair Value Cash Cash Equivalents And Marketable Securities Fair Value Disclosure Total Estimated Fair Value Cash, cash equivalents and marketable securities Cash Cash Equivalents And Marketable Securities [Line Items] Cash, cash equivalents and marketable securities [Line Items] Cash, cash equivalents and marketable securities [Table] Cash Cash Equivalents And Marketable Securities [Table] Cash, cash equivalents and marketable securities [Table] Gross Unrealized Gains Cash Cash Equivalents And Marketable Securities Unrealized Gains Gross Unrealized Gains Gross Unrealized Losses Cash Cash Equivalents And Marketable Securities Unrealized Losses Gross Unrealized Losses Cash Cash Equivalents And Short Term Investments [Member] Cash Cash Equivalents And Short Term Investments [Member] Cash, Cash Equivalents, and Marketable Securities Cash Equivalents, and Marketable Securities Amortized Cost Cash Equivalents And Marketable Securities Amortized Cost Amortized Cost Cash Equivalents, and Marketable Securities Fair Value Disclosure Cash Equivalents And Marketable Securities Fair Value Disclosure Estimated Fair Value Cash Equivalents, Maturity Period Cash Equivalents Maturity Period Cash equivalents maturity period Cash [Member] Cash Cash Paid for Interest Capital Leases Cash Paid For Interest Capital Leases Cash paid for interest on capital leases Clouding Ip Limited Liability Company [Member] Clouding Ip Limited Liability Company [Member] Clouding Ip Limited Liability Company Commitments And Contingencies Commitments and contingencies Commitments And Contingencies [Axis] Commitments And Contingencies [Axis] Commitments And Contingencies [Axis] Commitments And Contingencies Disclosure [Text Block] COMMITMENTS AND CONTINGENCIES Commitments And Contingencies [Domain] Commitments And Contingencies [Domain] Commitments And Contingencies [Domain] Commitments Disclosure [Table Text Block] Commitments Disclosure Table [Text Block] Commitments Disclosure Commitments Fair Value Disclosure Total Commitments [Member] Other commitments Common Stock Capital Shares Reserved For Future Issuance Common stock available for future issuance to employees Common Stock [Member] Common Stock Common Stock Par Or Stated Value Per Share Common stock, par value Common Stock Shares Authorized Common stock, Authorized shares Common Stock Shares Issued Common stock, Issued shares Common Stock Shares Outstanding Common stock, Outstanding shares Common Stock, Shares, Outstanding Including Stock Awards Common Stock Shares Outstanding Including Stock Awards Common shares outstanding plus shares underlying outstanding stock awards, including all stock-based awards outstanding, excluding estimated forfeiture Common Stock Value Common stock, $0.01 par value: Authorized shares - 5,000 Issued shares - 478 and 473 Outstanding shares - 454 and 455 Comparability Of Prior Year Financial Data Prior Period Reclassifications Comprehensive Income Net Of Tax Comprehensive income Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Concentration Risk By Benchmark [Axis] Concentration Risk Benchmark [Axis] Concentration Risk By Type [Axis] Concentration Risk Type [Axis] Concentration Risk Percentage 1 Concentration percentage Concentration Risk Type [Domain] Concentration Risk Type [Domain] Consolidation Policy [Text Block] Principles of Consolidation Construction In Progress [Member] Construction in Progress Construction Loan Noncurrent Construction liabilities Content Costs [Policy Text Block] Content Costs Policy [Text Block] Content Costs Contract based [Member] Contract Based [Member] Contract-based Contractual Obligation Due After Fifth Year Thereafter Contractual Obligation Due In Fifth Year Year Ended December 31,2017 Contractual Obligation Due In Fourth Year Year Ended December 31, 2016 Contractual Obligation Due In Next Twelve Months Year Ended December 31,2013 Contractual Obligation Due In Second Year Year Ended December 31,2014 Contractual Obligation Due In Third Year Year Ended December 31, 2015 Corporate Debt Securities [Member] Corporate debt securities Corporate Headquarters [Member] Corporate Headquarters [Member] Corporate Headquarters Cost Of Goods And Services Sold Cost of sales Cost Of Sales Policy [Text Block] Cost of Sales Costs And Expenses Total operating expenses Costs And Expenses [Abstract] Operating expenses Current Federal, State and Local Tax Expense (Benefit) Current Federal State And Local Tax Expense Benefit U.S. and state Current Fiscal Year End Date Current Fiscal Year End Date Current Foreign Tax Expense Benefit International Current Income Tax Expense Benefit Current taxes Current Income Tax Expense Benefit Continuing Operations [Abstract] Current taxes: Customer Receivable [Member] Customer Receivable [Member] Customer Receivable Customer related [Member] Customer Related [Member] Customer-related D E Germany Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument Carrying Amount Net carrying mount Debt Instrument Face Amount Face amount Debt Instrument Interest Rate Effective Percentage Effective interest yields Debt Instrument [Line Items] Debt Instrument [Line Items] Debt Instrument Name [Domain] Debt Instrument, Name [Domain] Debt Instrument [Table] Schedule of Long-term Debt Instruments [Table] Debt Instrument Unamortized Discount Unamortized discount Debt [Member] Debt principal and interest Deferred Federal, State and Local Income Tax Expense (Benefit) Deferred Federal State And Local Income Tax Expense Benefit U.S. and state Deferred Foreign Income Tax Expense Benefit International Deferred Income Tax Expense Benefit Deferred income taxes Deferred taxes Deferred Income Tax Expense Benefit Continuing Operations [Abstract] Deferred taxes: Deferred Revenue Current Current unearned revenue Deferred Revenue Noncurrent Non-current unearned revenue Deferred Revenue, Policy [Text Block] Deferred Revenue Policy [Text Block] Unearned Revenue Deferred Tax Assets, Assets Held for Investment Deferred Tax Assets Assets Held For Investment Assets held for investment Deferred Tax Assets Deferred Income Deferred revenue Deferred Tax Assets Gross Total gross deferred tax assets Deferred Tax Assets Liabilities Net Net deferred tax assets (liabilities), net of valuation allowance Deferred Tax Assets Net Deferred tax assets, net of valuation allowance Deferred Tax Assets Net [Abstract] Deferred tax assets: Deferred Tax Assets Net Current Deferred tax assets Deferred Tax Assets Net Noncurrent Deferred tax assets Deferred Tax Assets Operating Loss Carryforwards Domestic Deferred tax assets, net operating losses Net operating losses U.S. - Federal/States Deferred Tax Assets Operating Loss Carryforwards Foreign Deferred tax assets, net operating losses Net operating losses foreign Deferred Tax Assets Other Other items Deferred Tax Assets Tax Credit Carryforwards Deferred tax assets, tax credits Tax credits Deferred Tax Assets Tax Deferred Expense Accrued liabilities, reserves, & other expenses Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost Stock-based compensation Deferred Tax Assets Valuation Allowance Less valuation allowance Deferred Tax Liabilities [Abstract] Deferred tax liabilities: Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets Acquisition related intangible assets Deferred Tax Liabilities Other Other items Deferred Tax Liabilities Property Plant And Equipment Depreciation & amortization Depreciation And Amortization Depreciation of property and equipment, including internal-use software and website development, and other amortization Depreciation Depletion And Amortization Depreciation expense Depreciation expense on fixed assets including amortization Digital Video Content [Member] Digital Video Content [Member] Digital Video Content Disclosure - Acquired Intangible Assets [Abstract] Disclosure Acquired Intangible Assets [Abstract] Disclosure - Acquired Intangible Assets [Abstract] Disclosure - Acquisitions Goodwill and Acquired Intangible Assets - Additional Information [Abstract] Disclosure Acquisitions Goodwill And Acquired Intangible Assets Additional Information [Abstract] Disclosure - Acquisitions Goodwill and Acquired Intangible Assets - Additional Information [Abstract] Disclosure - Allocation of Aggregate Purchase Price of Acquisitions [Abstract] Disclosure Allocation Of Aggregate Purchase Price Of Acquisitions [Abstract] Disclosure - Allocation of Aggregate Purchase Price of Acquisitions [Abstract] Disclosure - Business Acquisitions Pro Forma Financial Information [Abstract] Disclosure Business Acquisitions Pro Forma Financial Information [Abstract] Disclosure - Business Acquisitions Pro Forma Financial Information [Abstract] Disclosure - Calculation of Diluted Shares [Abstract] Disclosure Calculation Of Diluted Shares [Abstract] Disclosure - Calculation of Diluted Shares [Abstract] Disclosure - Cash Cash Equivalents and Marketable Securities - Additional Information [Abstract] Disclosure Cash Cash Equivalents And Marketable Securities Additional Information [Abstract] Disclosure - Cash Cash Equivalents and Marketable Securities - Additional Information [Abstract] Disclosure - Changes in Composition of Accumulated Other Comprehensive Income or Loss [Abstract] Disclosure Changes In Composition Of Accumulated Other Comprehensive Income Or Loss [Abstract] Disclosure - Changes in Composition of Accumulated Other Comprehensive Income or Loss [Abstract] Disclosure Commitments And Contingencies Additional Information [Abstract] Disclosure Commitments And Contingencies Additional Information [Abstract] Disclosure Commitments And Contingencies Additional Information [Abstract] Disclosure - Components of Provision for Income Taxes, Net [Abstract] Disclosure Components Of Provision For Income Taxes Net [Abstract] Disclosure - Components of Provision for Income Taxes, Net [Abstract] Disclosure - Deferred Income Tax Assets and Liabilities [Abstract] Disclosure Deferred Income Tax Assets And Liabilities [Abstract] Disclosure - Deferred Income Tax Assets and Liabilities [Abstract] Disclosure - Depreciation Expense, by Segment [Abstract] Disclosure Depreciation Expense By Segment [Abstract] Disclosure - Depreciation Expense, by Segment [Abstract] Disclosure - Description of Business and Accounting Policies - Additional Information [Abstract] Disclosure Description Of Business And Accounting Policies Additional Information [Abstract] Disclosure - Description of Business and Accounting Policies - Additional Information [Abstract] Disclosure - Equity Method Investments - Additional Information [Abstract] Disclosure Equity Method Investments Additional Information [Abstract] Disclosure - Equity Method Investments - Additional Information [Abstract]