Income Taxes - Schedule of Provision for (Benefit from) Income Taxes on Continuing Operations (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
U.S.
Current	$ 5,067us-gaap_CurrentFederalTaxExpenseBenefit	$ 2,465us-gaap_CurrentFederalTaxExpenseBenefit	$ 16,982us-gaap_CurrentFederalTaxExpenseBenefit
Deferred	2,825	4,013	2,675
Total U.S	7,892	6,478	19,657
Non-U.S.
Current	18,186us-gaap_CurrentForeignTaxExpenseBenefit	2,308us-gaap_CurrentForeignTaxExpenseBenefit	3,191us-gaap_CurrentForeignTaxExpenseBenefit
Deferred	(9,878)	(1,184)	1,096
Total Non U.S	8,308	1,124	4,287
Income tax expense/effective rate	$ 16,200us-gaap_IncomeTaxExpenseBenefit	$ 7,602us-gaap_IncomeTaxExpenseBenefit	$ 23,944us-gaap_IncomeTaxExpenseBenefit

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

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

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

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

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

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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