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Restructuring and Integration - Summary of Restructuring and Integration Charges and Reserve Activity (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Restructuring Cost and Reserve [Line Items] |  |  |
Severance and other costs | $ 17 | $ 1,687 | $ 1,522
Site closure and other associated costs | 369 | 3,971 | 3,727
Total | 386 | 5,658 | 5,249
Reserve beginning balance | 2,625 | 2,732 |
Charges | 386 | 5,658 | 5,249
Non-cash Adjustments | (164) | (2,420) | (2,290)
Cash Reductions | (1,748) | (3,345) | (227)
Reserve ending balance | 1,099 | 2,625 | 2,732
Severance and Other Employee Costs [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Reserve beginning balance | 1,000 | 887 |
Charges | 17 | 1,687 | 1,522
Non-cash Adjustments | (164) | (278) | (408)
Cash Reductions | (853) | (1,296) | (227)
Reserve ending balance |  | 1,000 | 887
Site Closure Costs [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Reserve beginning balance | 1,625 | 1,845 |
Charges | 369 | 3,971 | 3,727
Non-cash Adjustments |  | (2,142) | (1,882)
Cash Reductions | (895) | (2,049) |
Reserve ending balance | 1,099 | 1,625 | 1,845
Autocam Precision Components [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Severance and other costs | 17 | 851 | 672
Site closure and other associated costs | 369 | 3,488 | 1,962
Total | $ 386 | 4,339 | 2,634
Precision Engineered Products Group [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Severance and other costs |  | 836 | 850
Site closure and other associated costs |  | 483 |
Total |  | $ 1,319 | 850
Corporate and Consolidations [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Site closure and other associated costs |  |  | 1,765
Total |  |  | $ 1,765

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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Includes, but is not limited to, one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and termination benefits associated with an ongoing benefit arrangement. Excludes expenses associated with special or contractual termination benefits, a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
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