Income Taxes (Income, income tax provision) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Tax Provision [Abstract]
U.S.	$ (24,411)	$ (28,238)	$ (32,260)
Foreign	55,218	91,902	130,363
Income before income taxes and noncontrolling interest	30,807	63,664	98,103
Current tax provision (benefit)
Federal	1,424	14,049	330
Foreign	10,756	18,324	23,211
State	142	214	25
Current tax provision (benefit), Total	12,322	32,587	23,566
Deferred tax provision (benefit)
Federal	(8,784)	(20,906)	243
Foreign	(3,247)	(1,165)	(7,079)
State	317	(466)	0
Deferred Income Tax Expense (Benefit), Total	(11,714)	(22,537)	(6,836)
Liability for unrecognized tax benefits	4,217	107	1,109
Income tax provision (benefit), Total	$ 4,825	$ 10,157	$ 17,839