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Summary of Significant Accounting Policies - Summary of Operating Results for Company's Discontinued Operations (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Discontinued Operations and Disposal Groups [Abstract] |  |  |
Net sales | $ 22,225 us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue | $ 116,111 us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue | $ 135,601 us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue
Cost of sales | 23,881 us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold | 123,888 us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold | 138,511 us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold
Gross loss | (1,656)us-gaap_DisposalGroupIncludingDiscontinuedOperationGrossProfitLoss | (7,777)us-gaap_DisposalGroupIncludingDiscontinuedOperationGrossProfitLoss | (2,910)us-gaap_DisposalGroupIncludingDiscontinuedOperationGrossProfitLoss
Selling, general, and administrative | 396 us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense | 1,509 us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense | 816 us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense
Impairment of fixed assets |  | 27,500 us-gaap_TangibleAssetImpairmentCharges |
Operating loss | (2,052)us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss | (36,786)us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss | (3,726)us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss
Loss on sale of business | (13,497)us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax |  |
Interest income |  | 47 us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestIncome | 13 us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestIncome
Interest expense | (99)us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense | (344)us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense | (411)us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense
Loss before income taxes | (15,648)us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax | (37,083)us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax | (4,124)us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax
Income tax benefit | (3,934)us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation | (14,484)us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation | (2,867)us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation
Loss on discontinued operations | $ (11,714)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | $ (22,599)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | $ (1,257)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax

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- Definition Amount of gain (loss), before tax expense or benefit and not previously recognized, resulting from the sale of a business component. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e957-107759 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 + Details
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- Definition Amount of costs of goods sold attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 + Details
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