Segment Information - Segment Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Segment Reporting Information [Line Items]
Revenues from external customers	$ 226,314	$ 212,226
Income (loss) from operations	22,158	11,874
Total assets	1,391,043	1,395,617	$ 1,360,386
Precision Bearing Components Group [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenues from external customers	68,759	64,745
Income (loss) from operations	8,402	6,326
Total assets	226,829	227,852
Autocam Precision Components Group [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenues from external customers	86,446	83,990
Income (loss) from operations	10,601	6,527
Total assets	428,512	426,741
Precision Engineered Products Group [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenues from external customers	71,109	63,491
Income (loss) from operations	10,914	5,421
Total assets	727,418	737,956
Corporate and Consolidations [Member]
Segment Reporting Information [Line Items]
Income (loss) from operations	(7,759)	(6,400)
Total assets	$ 8,284	$ 3,068