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Goodwill, Net - Changes in Carrying Amount of Goodwill (Detail) $ in Thousands | 9 Months Ended
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Sep. 30, 2017 USD ($)
Goodwill [Line Items] |  |
Beginning Balance | $ 441,402 | [1]
Currency impacts | 2,094 |
Ending Balance | 443,496 |
Autocam Precision Components Group [Member] |  |
Goodwill [Line Items] |  |
Beginning Balance | 70,717 |
Currency impacts | 736 |
Ending Balance | 71,453 |
Precision Engineered Products Group [Member] |  |
Goodwill [Line Items] |  |
Beginning Balance | 370,685 |
Currency impacts | 1,358 |
Ending Balance | $ 372,043 |
[1] | Includes the effects of discontinued operations (Note 2) and prior periods' revisions (Note 1 and Note 15)

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 + Details
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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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