Intangible Assets, Net - Summary of Carrying Amount of Intangible Assets by Segment (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Beginning balance	$ 254,263	$ 280,217
Additions	6,900
Amortization	(23,460)	(25,998)
Currency impacts	(1)	44
Ending balance	237,702	254,263
Autocam Precision Components Group [Member]
Finite-Lived Intangible Assets [Line Items]
Beginning balance	42,928	46,417
Amortization	(3,481)	(3,533)
Currency impacts	(1)	44
Ending balance	39,446	42,928
Precision Engineered Products Group [Member]
Finite-Lived Intangible Assets [Line Items]
Beginning balance	211,335	233,800
Additions	6,900
Amortization	(19,979)	(22,465)
Ending balance	$ 198,256	$ 211,335