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Discontinued Operations - Schedule of Condensed Income Statement and Balance Sheet (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Discontinued Operations And Disposal Groups [Abstract]  
Net sales $ 60,722us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue
Operating income 7,364us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss
Other income, net 25us-gaap_DiscontinuedOperationAmountOfOtherIncomeLossFromDispositionOfDiscontinuedOperationsBeforeIncomeTax
Interest expense (105)us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense
Income before income taxes 7,284us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax
Income tax expense (3,484)us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation
Net income $ 3,800us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity