Income Taxes (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Current
Federal	$ 4,424	$ (46,671)	$ (3,965)
State and local	5,482	3,909	7,034
Foreign	4,412	4,957	3,037
Total	14,318	(37,805)	6,106
Deferred
Federal	(76,558)	(52,344)	(37,790)
State and local	(15,397)	1,422	(5,794)
Foreign	(846)	(936)	(391)
Total	(92,801)	(51,858)	(43,975)
Total benefit from income taxes	$ (78,483)	$ (89,663)	$ (37,869)