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Benefit from or Provision for Income Taxes from Continuing Operations (Detail) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Components Of Income Tax Expense Benefit [Line Items]      
Federal, Current $ (306)us-gaap_CurrentFederalTaxExpenseBenefit $ (12,404)us-gaap_CurrentFederalTaxExpenseBenefit $ 533us-gaap_CurrentFederalTaxExpenseBenefit
State, Current (1)us-gaap_CurrentStateAndLocalTaxExpenseBenefit 172us-gaap_CurrentStateAndLocalTaxExpenseBenefit 68us-gaap_CurrentStateAndLocalTaxExpenseBenefit
Foreign, Current 7,638us-gaap_CurrentForeignTaxExpenseBenefit 5,994us-gaap_CurrentForeignTaxExpenseBenefit 7,269us-gaap_CurrentForeignTaxExpenseBenefit
Income tax expense (benefit), Current, total 7,331us-gaap_CurrentIncomeTaxExpenseBenefit (6,238)us-gaap_CurrentIncomeTaxExpenseBenefit 7,870us-gaap_CurrentIncomeTaxExpenseBenefit
Federal, Deferred (2,132)us-gaap_DeferredFederalIncomeTaxExpenseBenefit (3,417)us-gaap_DeferredFederalIncomeTaxExpenseBenefit 995us-gaap_DeferredFederalIncomeTaxExpenseBenefit
State, Deferred (1,038)us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit 267us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit 1,310us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit
Foreign, Deferred 1,855us-gaap_DeferredForeignIncomeTaxExpenseBenefit (411)us-gaap_DeferredForeignIncomeTaxExpenseBenefit (441)us-gaap_DeferredForeignIncomeTaxExpenseBenefit
Income tax expense (benefit), Deferred, total (1,315)us-gaap_DeferredIncomeTaxExpenseBenefit (3,561)us-gaap_DeferredIncomeTaxExpenseBenefit 1,864us-gaap_DeferredIncomeTaxExpenseBenefit
Total (benefit) provision $ 6,016us-gaap_IncomeTaxExpenseBenefit $ (9,799)us-gaap_IncomeTaxExpenseBenefit $ 9,734us-gaap_IncomeTaxExpenseBenefit