Income Taxes (Tax (Benefit) Allocated In The Consolidated Statements Of Operations) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Income Taxes [Abstract]
Loss from continuing operations	$ (55,658)	$ (23,849)	$ (81,227)
Gain on sales of discontinued operations			49
Loss from discontinued operations			(4,540)
Total	(55,658)	(23,849)	(85,718)
Excess tax expense on stock compensation	907	362	801
Deferred tax expense on accumulated other comprehensive income	7,888	1,335	17,482
Total	8,795	1,697	18,283
Total income tax(benefit)	$ (46,863)	$ (22,152)	$ (67,435)