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Restructuring and Integration - Additional Information (Detail) - USD ($)	3 Months Ended			9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016		Sep. 30, 2017	Sep. 30, 2016
Restructuring Cost and Reserve [Line Items]
Restructuring and integration expense	$ 345,000	$ 606,000	[1]	$ 362,000	$ 4,851,000	[1]
Severance and restructuring cost				362,000
Expected payment on reserve balance within next twelve months	1,000,000			1,000,000
Remaining reserve balance to be paid in 2018 and 2019	200,000			200,000
Precision Engineered Products Group [Member]
Restructuring Cost and Reserve [Line Items]
Severance and restructuring cost	0.0	300,000		0.0	1,000,000
Wheeling Plant [Member] | Autocam Precision Components Group [Member]
Restructuring Cost and Reserve [Line Items]
Severance and restructuring cost	$ 300,000	$ 300,000		$ 400,000	$ 3,900,000
[1] Includes the effects of discontinued operations (Note 2) and prior periods' revisions (Note 1 and Note 15)

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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