Income Taxes (Components Of Provision For Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Expense (Benefit), Continuing Operations [Abstract]
Federal, Current (expense) benefit	$ (1,104)	$ (13,553)	$ (30,325)
State, Current (expense) benefit	(8,150)	(7,960)	(1,963)
Foreign, including foreign withholding tax, Current (expense) benefit	(13,613)	(8,498)	(1,146)
Current (expense) benefit	(22,867)	(30,011)	(33,434)
Federal, Deferred (expense) benefit	53,629	(67,700)	(17,047)
State, Deferred (expense) benefit	66,701	(6,760)	(1,501)
Foreign, Deferred (expense) benefit	(9,784)	4,261	(3,049)
Deferred (expense) benefit	110,546	(70,199)	(21,597)
Total income tax expense from continuing operations	(87,679)	100,210	55,031
Income tax benefit (expense) from discontinued operations	$ 0	$ (3,594)	$ 4,422