Income Taxes (Components Of The Provision) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Income Taxes [Abstract]
U.S.	$ 27,257	$ (57,073)	$ (25,964)
Non-U.S.	14,388	35,056	29,445
Total current tax expense (benefit)	41,645	(22,016)	3,481
Total deferred U.S. tax expense (benefit)	(195,106)	2,500	128,851
Total income tax expense (benefit)	$ (153,461)	$ (19,516)	$ 132,332