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Income Taxes - Components of Provision (Benefit) for Income Taxes (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Current, Federal	$ 5,752us-gaap_CurrentFederalTaxExpenseBenefit	$ 9,556us-gaap_CurrentFederalTaxExpenseBenefit	$ 17,744us-gaap_CurrentFederalTaxExpenseBenefit
Current, State	3,442us-gaap_CurrentStateAndLocalTaxExpenseBenefit	808us-gaap_CurrentStateAndLocalTaxExpenseBenefit	1,324us-gaap_CurrentStateAndLocalTaxExpenseBenefit
Current, Foreign	19,346us-gaap_CurrentForeignTaxExpenseBenefit	11,638us-gaap_CurrentForeignTaxExpenseBenefit	14,258us-gaap_CurrentForeignTaxExpenseBenefit
Total current	28,540us-gaap_CurrentIncomeTaxExpenseBenefit	22,002us-gaap_CurrentIncomeTaxExpenseBenefit	33,326us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred, Federal	(37,772)us-gaap_DeferredFederalIncomeTaxExpenseBenefit	7,118us-gaap_DeferredFederalIncomeTaxExpenseBenefit	8,656us-gaap_DeferredFederalIncomeTaxExpenseBenefit
Deferred, State	(5,657)us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit	289us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit	375us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit
Deferred, Foreign	(911)us-gaap_DeferredForeignIncomeTaxExpenseBenefit	193us-gaap_DeferredForeignIncomeTaxExpenseBenefit	(80)us-gaap_DeferredForeignIncomeTaxExpenseBenefit
Deferred income taxes	(44,340)us-gaap_DeferredIncomeTaxExpenseBenefit	7,929us-gaap_DeferredIncomeTaxExpenseBenefit	8,067us-gaap_DeferredIncomeTaxExpenseBenefit
Provision for income taxes	$ (15,800)us-gaap_IncomeTaxExpenseBenefit	$ 29,602us-gaap_IncomeTaxExpenseBenefit	$ 42,277us-gaap_IncomeTaxExpenseBenefit

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

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