Segment Information - Segment Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Segment Reporting Information [Line Items]
Revenues from external customers	$ 212,226	$ 163,746
Income (loss) from operations	11,874	13,934
Total assets	1,395,617	694,386	$ 1,380,567
Precision Bearing Components Group [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenues from external customers	64,745	73,236
Income (loss) from operations	6,326	9,089
Total assets	227,852	204,032
Autocam Precision Components Group [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenues from external customers	83,990	82,622
Income (loss) from operations	6,527	7,718
Total assets	426,741	439,542
PEP [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenues from external customers	63,491	7,888
Income (loss) from operations	5,421	213
Total assets	737,956	18,023
Corporate and Consolidations [Member]
Segment Reporting Information [Line Items]
Income (loss) from operations	(6,400)	(3,086)
Total assets	$ 3,068	$ 32,789