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Income Taxes (Provision for Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Current Income Tax Expense (Benefit) [Abstract]
Federal	$ 2,256us-gaap_CurrentFederalTaxExpenseBenefit	$ (2,274)us-gaap_CurrentFederalTaxExpenseBenefit	$ 503us-gaap_CurrentFederalTaxExpenseBenefit
State	516	502	374
Foreign	11,995us-gaap_CurrentForeignTaxExpenseBenefit	9,247us-gaap_CurrentForeignTaxExpenseBenefit	5,176us-gaap_CurrentForeignTaxExpenseBenefit
Current income tax expense (benefit)	14,767us-gaap_CurrentIncomeTaxExpenseBenefit	7,475us-gaap_CurrentIncomeTaxExpenseBenefit	6,053us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred income tax expense (benefit)	(284)us-gaap_DeferredIncomeTaxExpenseBenefit	7,218us-gaap_DeferredIncomeTaxExpenseBenefit	12,946us-gaap_DeferredIncomeTaxExpenseBenefit
Provision for income taxes	$ 14,483us-gaap_IncomeTaxExpenseBenefit	$ 14,693us-gaap_IncomeTaxExpenseBenefit	$ 18,999us-gaap_IncomeTaxExpenseBenefit

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

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

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

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