Income Taxes (Income, income tax provision) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Income Tax Provision [Abstract]
U.S.	$ (28,238)	$ (32,260)	$ (48,217)
Foreign	91,902	130,363	59,367
Income before income taxes and noncontrolling interest	63,664	98,103	11,150
Current tax provision (benefit)
Federal	14,049	330	0
Foreign	18,324	23,211	7,458
State	214	25	14
Current tax provision (benefit), Total	32,587	23,566	7,472
Deferred tax provision (benefit)
Federal	(20,906)	243	(4,510)
Foreign	(1,165)	(7,079)	(3,050)
State	(466)	0	0
Deferred Income Tax Expense (Benefit), Total	(22,537)	(6,836)	(7,560)
Liability for unrecognized tax benefits	107	1,109	1,390
Income tax provision (benefit), Total	$ 10,157	$ 17,839	$ 1,302