Segment Information - Segment Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Segment Reporting Information [Line Items]
Revenues from external customers	$ 164,856	$ 106,680	$ 328,601	$ 209,208
Income from operations	13,589	8,237	27,524	16,574
Total assets	708,940	307,420	708,940	307,420	$ 712,713
Operating Segments [Member] | Metal Bearing Components Segment [Member]
Segment Reporting Information [Line Items]
Revenues from external customers	69,261	73,038	142,496	143,938
Income from operations	9,403	8,748	18,491	17,520
Total assets	209,986	227,313	209,986	227,313
Operating Segments [Member] | Autocam Precision Components Segment [Member]
Segment Reporting Information [Line Items]
Revenues from external customers	86,471	25,267	169,093	49,005
Income from operations	9,095	2,306	16,813	4,868
Total assets	439,526	54,529	439,526	54,529
Operating Segments [Member] | Plastic and Rubber Components Segment [Member]
Segment Reporting Information [Line Items]
Revenues from external customers	9,124	8,375	17,012	16,265
Income from operations	501	414	714	649
Total assets	28,202	17,718	28,202	17,718
Corporate and Consolidations [Member]
Segment Reporting Information [Line Items]
Income from operations	(5,410)	(3,231)	(8,494)	(6,463)
Total assets	$ 31,226	$ 7,860	$ 31,226	$ 7,860