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Segment Information - Segment Information (Detail) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016		Sep. 30, 2017	Sep. 30, 2016
Segment Reporting Information [Line Items]
Revenues from external customers	$ 148,156	$ 146,714	[1]	$ 463,658	$ 443,310	[1]
Income (loss) from operations	6,296	12,985	[1]	32,294	29,457	[1]
Autocam Precision Components Group [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenues from external customers	81,664	80,492		254,768	247,473
Income (loss) from operations	6,799	8,464		28,088	22,761
Precision Engineered Products Group [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenues from external customers	66,492	66,222		208,890	195,837
Income (loss) from operations	7,922	9,913		29,436	26,116
Corporate and Consolidations [Member]
Segment Reporting Information [Line Items]
Income (loss) from operations	$ (8,425)	$ (5,392)		$ (25,230)	$ (19,420)
[1] Includes the effects of discontinued operations (Note 2) and prior periods' revisions (Note 1 and Note 15)

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(a))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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