Income Taxes (Benefit (Provision) for Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Taxes [Abstract]
Current Federal									$ 684	$ 229	$ 3,213
Current Foreign									(6,732)	(6,837)	(3,377)
Current State									(12,305)	(3,705)	(3,557)
Total current									(18,353)	(10,313)	(3,721)
Deferred Federal									(164,769)	65,643	1,054
Deferred Foreign									(6,136)	42,714	(694)
Deferred State									(9,370)	2,017	(4,986)
Total deferred									(180,275)	110,374	(4,626)
Total benefit (provision) for income taxes	$ 110,374	$ 33,959	$ 36,587	$ 17,708	$ (70,624)	$ 32,300	$ (68,432)	$ 6,695	$ (198,628)	$ 100,061	$ (8,347)