Income Taxes (Income Tax Expense (Benefit) in the Consolidated Statements of Income) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Current
Domestic	$ 2,205us-gaap_CurrentFederalTaxExpenseBenefit	$ (7,075)us-gaap_CurrentFederalTaxExpenseBenefit	$ 3,651us-gaap_CurrentFederalTaxExpenseBenefit
International	17,172us-gaap_CurrentForeignTaxExpenseBenefit	12,667us-gaap_CurrentForeignTaxExpenseBenefit	8,118us-gaap_CurrentForeignTaxExpenseBenefit
Total	19,377us-gaap_CurrentIncomeTaxExpenseBenefit	5,592us-gaap_CurrentIncomeTaxExpenseBenefit	11,769us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred
Domestic	6,699	5,894	(59,414)
International	1,451	(260)	1,161
Total	8,150us-gaap_DeferredIncomeTaxExpenseBenefit	5,634us-gaap_DeferredIncomeTaxExpenseBenefit	(58,253)us-gaap_DeferredIncomeTaxExpenseBenefit
Domestic	8,904	(1,181)	(55,763)
International	18,623	12,407	9,279
Total	$ 27,527us-gaap_IncomeTaxExpenseBenefit	$ 11,226us-gaap_IncomeTaxExpenseBenefit	$ (46,484)us-gaap_IncomeTaxExpenseBenefit

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