Income Taxes (Components Of Provision For Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Expense (Benefit), Continuing Operations [Abstract]
Federal, Current (expense) benefit	$ (4,643)us-gaap_CurrentFederalTaxExpenseBenefit	$ (1,104)us-gaap_CurrentFederalTaxExpenseBenefit	$ (13,553)us-gaap_CurrentFederalTaxExpenseBenefit
State, Current (expense) benefit	14	(8,150)	(7,960)
Foreign, including foreign withholding tax, Current (expense) benefit	(69,614)us-gaap_CurrentForeignTaxExpenseBenefit	(13,613)us-gaap_CurrentForeignTaxExpenseBenefit	(8,498)us-gaap_CurrentForeignTaxExpenseBenefit
Current (expense) benefit	(74,243)us-gaap_CurrentIncomeTaxExpenseBenefit	(22,867)us-gaap_CurrentIncomeTaxExpenseBenefit	(30,011)us-gaap_CurrentIncomeTaxExpenseBenefit
Federal, Deferred (expense) benefit	(76,614)	53,629	(67,700)
State, Deferred (expense) benefit	(15,402)	66,701	(6,760)
Foreign, Deferred (expense) benefit	38,208	(9,784)	4,261
Deferred (expense) benefit	(53,808)us-gaap_DeferredIncomeTaxExpenseBenefit	110,546us-gaap_DeferredIncomeTaxExpenseBenefit	(70,199)us-gaap_DeferredIncomeTaxExpenseBenefit
Income tax (expense) benefit	(128,051)us-gaap_IncomeTaxExpenseBenefit	87,679us-gaap_IncomeTaxExpenseBenefit	(100,210)us-gaap_IncomeTaxExpenseBenefit
Income tax benefit (expense) from discontinued operations	$ 0	$ 0	$ (3,594)

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.

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Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

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Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

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Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.

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Amount of deferred foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.

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Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

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Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

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Tax effect allocated to a disposal group that is classified as a component of the entity reported as a separate component of income before extraordinary items. Includes the tax effects of the following: income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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