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Acquisitions - Summary of Unaudited Proforma Information (Detail) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
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Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
PEP [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Pro forma sales | $ 851,583 | $ 863,619 |
Pro forma net (loss) income | $ 14,010 | $ (7,560) |
Basic income (loss) per share | $ 0.66 | $ (0.41) |
Diluted income (loss) per share | $ 0.65 | $ (0.40) |
Autocam [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Pro forma sales |  | $ 659,652 | $ 606,690
Pro forma net (loss) income |  | $ 19,573 | $ 3,307

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- Definition The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=56956515&loc=d3e1392-128463 + Details
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