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Acquisitions and Disposals - Summary of Operating Results for Company's Discontinued Operations (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
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Jun. 30, 2014 | Mar. 31, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013
Business Combination Increase Decrease To Reflect Liabilities Acquired At Fair Value [Abstract] |  |  |  |  |
Net sales |  |  | $ 28,796 | $ 22,225 | $ 62,058
Cost of sales | (15) |  | 28,338 | 24,377 | 63,315
Gross Profit (loss) | 15 |  | 458 | (2,152) | (1,257)
Selling, general and administrative expense |  |  | 347 | 396 | 701
Operating income (loss) | 15 |  | 111 | (2,548) | (1,958)
Interest expense |  |  | (89) | (99) | (181)
Loss on sale of business |  |  |  | (12,083) |
Income (loss) before income taxes | 15 |  | 22 | (14,730) | (2,139)
Income tax expense (benefit) | 5 | (3,852) | 8 | (3,847) | (683)
Income (loss) on discontinued operations | $ 10 | $ (10,893) | $ 14 | $ (10,883) | $ (1,456)

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- Definition Overall income (loss) from a disposal group that is classified as a component of the entity, before income tax, reported as a separate component of income before extraordinary items. Includes the following (before income tax): income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 Reference 2: 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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.12) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 13 -Article 7 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 05 -Paragraph 15 -Article 3 + Details
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