Availableforsale Securities [Member] Available-for-sale Securities [Member] Available-for-sale Securities, Gross Unrealized Gains Gross Unrealized Gains Available-for-sale Securities, Gross Unrealized Gains, Total Gross unrealized gains Accounts receivable, net Accounts receivable, net Accounts receivable, net of allowance Accounts payable Accounts Payable, Current Accrued expenses Accrued Liabilities, Current Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax Balance at September 30, 2013 Balance at December 31, 2012 Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Less: accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance Less: accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total Accumulated other comprehensive loss Balance at June 30, 2011 Balance at January 1, 2011 Accumulated other comprehensive loss Additional paid-in capital Additional Paid in Capital, Ending Balance Additional Paid in Capital, Beginning Balance Additional paid-in capital Reconciling items: Reconciling items: All Other Segments [Member] Other [Member] Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost Incremental compensation expense Finite-Lived Intangible Assets, Amortization Expense Amortization expense Amortization of deferred financing charges and note discounts, net Purchase accounting adjustments and original issue discount Amortization of deferred financing charges and note discounts, net Amortization of deferred financing charges and note discounts, net Purchase accounting adjustments and original issue discount CURRENT ASSETS Total Current Assets Total Current Assets Total Assets Total Assets Assumption For Fair Value [Table] Available-for-sale Securities, Fair Value Disclosure Fair Value Fair value Available-for-sale Securities [Table Text Block] Schedule Of Fair Value Of Available-For-Sale Investments AvailableforsaleSecuritiesGrossUnrealizedLoss Gross unrealized losses Available-for-sale Securities, Amortized Cost Basis Cost Available-for-sale Securities, Amortized Cost Basis, Total Building [Member] Structures [Member] Business Acquisition [Axis] Business Acquisition, Purchase Price Allocation, Goodwill Amount Increase in goodwill Business Acquisition, Purchase Price Allocation, Goodwill Amount, Total Business Acquisition Acquiree [Domain] Business Acquisition, Acquiree [Domain] Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets Increase in intangible assets Business Acquisition, Cost of Acquired Entity, Purchase Price Purchase price Business Acquisition, Cost of Acquired Entity, Purchase Price, Total Business Acquisition, Purchase Price Allocation, Property, Plant and Equipment Increase in property, plant and equipment Business Acquisition, Purchase Price Allocation, Property, Plant and Equipment, Total Cash and cash equivalents Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash and Cash Equivalents, Period Increase (Decrease) Net decrease in cash and cash equivalents Net increase (decrease) in cash and cash equivalents Net increase (decrease) in cash and cash equivalents Cash Flow, Supplemental Disclosures [Text Block] Schedule Of Cash Paid For Interest And Income Taxes Class of Stock [Domain] Class of Stock [Domain] Commitments And Contingencies Disclosure Text Block Commitments, Contingencies And Guarantees Commitments And Contingencies Disclosure [Abstract] Commitments and contingent liabilities Commitments and contingent liabilities (Note 6) Common Stock [Member] Common Stock [Member] Common stock Comprehensive loss attributable to the Company Comprehensive income (loss) attributable to the Company Amount attributable to noncontrolling interest Less amount attributable to noncontrolling interest Comprehensive Income, Net of Tax, Attributable to Noncontrolling Interest, Total Less amount attributable to noncontrolling interest Comprehensive loss Comprehensive income (loss) Construction in Progress [Member] Construction in progress [Member] Construction in Progress, Gross Construction in progress Corporate And Other [Member] Corporate and other reconciling items [Member] Current Income Tax Expense (Benefit) Current tax benefit Current tax benefit (expense) Current Income Tax Expense (Benefit), Total Current tax benefit (expense) Customer Relationships [Member] Customer/advertiser relationships [Member] Debt Instrument [Line Items] Schedule of Long-term Debt Instruments [Table] debtweight Weighted average interest rate Debt Instrument, Fair Value Disclosure Market value Debt Disclosure Text Block Long-Term Debt Long-Term Debt [Abstract] Debt Instrument [Axis] Debt Instrument, Face Amount Principal amount Debt Instrument, Name [Domain] Debt Instrument, Interest Rate, Stated Percentage Stated interest rate Deferred Compensation Arrangement with Individual, Share-based Payments Common stock call or exercise features Exercise price Deferred Compensation Arrangement with Individual, Share-based Payments, by Type of Deferred Compensation [Axis] Deferred taxes Deferred tax benefit Deferred tax benefit Deferred Income Tax Expense (Benefit), Total Deferred income Deferred Revenue, Current, Total Deferred Tax Liabilities, Noncurrent Deferred income taxes Depreciation Depletion And Amortization Depreciation and amortization Depreciation and amortization Derivative Instrument Risk [Axis] Derivative Contract Type [Domain] Derivative Contract Type [Domain] Derivative Instruments Derivative Instruments, Gain (Loss) by Hedging Relationship, by Income Statement Location, by Derivative Instrument Risk [Table] Direct operating expenses (excludes depreciation and amortization) Direct operating expenses (excludes depreciation and amortization) Direct operating expenses Direct Operating Costs, Total Direct operating expenses Intercompany receivables Guarantor subsidiary borrowings under the senior secured credit facilities Intercompany payable Long-term intercompany payable Fair Value, Option, Qualitative Disclosures Related to Election, by Eligible Item or Group [Axis] Diluted Earnings Per Share, Diluted, Total Basic Earnings Per Share, Basic, Total Net loss attributable to the Company per common share: effect of exchange rate Effect of exchange rate changes on cash Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate Effective tax rate Effective Income Tax Rate, Continuing Operations, Total Equity Method Investment, Ownership Percentage Percentage of ownership Fair Value By Fair Value Hierarchy Level [Axis] Fair Value Measurements Fair Value Hierarchy [Domain] Fair Value Measurements [Abstract] Fair Value Disclosures Text Block Fair Value Measurements Level 1 [Member] Level 2 [Member] Fair Value Option Eligible Item Or Group [Domain] Fair Value, Option, Eligible Item or Group [Domain] Fair Value, Option, Qualitative Disclosures Related to Election [Table] Future Amortization Expense, Year Five 2018 Finite-Lived Intangible Assets, Gross Gross Carrying Amount Finite-Lived Intangible Assets, Gross, Total Other Intangible Assets Future Amortization Expense, Year Three 2016 Finite-Lived Intangible Assets, Accumulated Amortization Accumulated Amortization Future Amortization Expense, Year One 2014 Future Amortization Expense, Year Four 2017