Income Taxes (Schedule Of Income Tax (Provisions) Benefits Attributable To Income From Discontinued Operations) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012		Mar. 31, 2011
Income Taxes [Abstract]
U.S. state	$ 72		$ (5,725)
Foreign	(5,477)		(8,167)
Total current tax (provision) benefit	(5,405)		(13,892)
U.S. federal	(1,779)		(226,414)
U.S. state	(6)		(2,148)
Foreign	470		(7,667)
Total deferred tax (provision) benefit	(1,315)	[1]	(236,229)	[1]
Income tax benefit	$ (6,720)		$ (250,121)

[1] Represents the significant noncash components of discontinued operations.