Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income from continuing operations before income taxes:
U.S.	$ 33,070	$ 10,343	$ 8,853
International	133,430	97,231	83,409
Income from continuing operations before income taxes	166,500	107,574	92,262
Current:
U.S. – federal	22,673us-gaap_CurrentFederalTaxExpenseBenefit	8,356us-gaap_CurrentFederalTaxExpenseBenefit	579us-gaap_CurrentFederalTaxExpenseBenefit
U.S. – state	1,236	539	24
International	35,954us-gaap_CurrentForeignTaxExpenseBenefit	16,933us-gaap_CurrentForeignTaxExpenseBenefit	13,418us-gaap_CurrentForeignTaxExpenseBenefit
Current Income Tax Expense (Benefit)	59,863us-gaap_CurrentIncomeTaxExpenseBenefit	25,828us-gaap_CurrentIncomeTaxExpenseBenefit	14,021us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred:
U.S. – federal	(6,737)	13,792	4,610
U.S. – state	1,279	(110)	566
International	(8,446)	(4,257)	(6,765)
Deferred Income Tax Expense (Benefit)	(13,904)us-gaap_DeferredIncomeTaxExpenseBenefit	9,425us-gaap_DeferredIncomeTaxExpenseBenefit	(1,589)us-gaap_DeferredIncomeTaxExpenseBenefit
Income taxes	$ 45,959us-gaap_IncomeTaxExpenseBenefit	$ 35,253us-gaap_IncomeTaxExpenseBenefit	$ 12,432us-gaap_IncomeTaxExpenseBenefit

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