Income Taxes (Income, income tax provision) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
U.S.	$ 392	$ (12,936)	$ (24,411)
Foreign	85,600	51,521	55,218
Income before income taxes and noncontrolling interest	85,992	38,585	30,807
Current tax provision (benefit)
Federal	285us-gaap_CurrentFederalTaxExpenseBenefit	1,315us-gaap_CurrentFederalTaxExpenseBenefit	1,424us-gaap_CurrentFederalTaxExpenseBenefit
Foreign	21,783us-gaap_CurrentForeignTaxExpenseBenefit	9,270us-gaap_CurrentForeignTaxExpenseBenefit	10,756us-gaap_CurrentForeignTaxExpenseBenefit
State	44	(187)	142
Current tax provision (benefit), Total	22,112us-gaap_CurrentIncomeTaxExpenseBenefit	10,398us-gaap_CurrentIncomeTaxExpenseBenefit	12,322us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred tax provision (benefit)
Federal	2,996	(1,531)	(8,784)
Foreign	(4,244)	(2,197)	(3,247)
State	51	9	317
Deferred Income Tax Expense (Benefit), Total	(1,197)us-gaap_DeferredIncomeTaxExpenseBenefit	(3,719)us-gaap_DeferredIncomeTaxExpenseBenefit	(11,714)us-gaap_DeferredIncomeTaxExpenseBenefit
Liability for unrecognized tax benefits	(556)	7,802	4,217
Total income tax provision	$ 20,359us-gaap_IncomeTaxExpenseBenefit	$ 14,481us-gaap_IncomeTaxExpenseBenefit	$ 4,825us-gaap_IncomeTaxExpenseBenefit

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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