Segment Information - (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) segment	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Segment Reporting Information [Line Items]
Reportable segments | segment	2
Operating segments | segment	2
Net sales	$ 477,584	$ 427,534	$ 489,514
Depreciation and amortization	46,195	45,680	44,896
Goodwill impairment	0	92,942	0
Income (loss) from operations	(9,004)	(117,457)	(17,593)
Interest expense	(12,664)	(18,898)	(13,030)
Other	(774)	(15,733)	(1,502)
Loss from continuing operations before benefit (provision) for income taxes and share of net income from joint venture	(22,442)	(152,088)	(32,125)
Share of net income from joint venture	6,261	3,626	1,681
Expenditures for long-lived assets	18,221	15,357	32,169
Total assets	579,101	624,962
Life Sciences | Discontinued Operations, Disposed of by Sale
Segment Reporting Information [Line Items]
Interest expense		(48,893)	(44,125)
Mobile Solutions | Operating Segments
Segment Reporting Information [Line Items]
Net sales	285,863	256,360	297,749
Depreciation and amortization	28,769	28,298	27,146
Goodwill impairment		0
Income (loss) from operations	9,039	5,228	9,553
Share of net income from joint venture	6,261	3,626	1,681
Expenditures for long-lived assets	15,411	12,400	24,969
Total assets	357,171	370,985
Power Solutions
Segment Reporting Information [Line Items]
Goodwill impairment		92,900
Power Solutions | Operating Segments
Segment Reporting Information [Line Items]
Net sales	191,800	171,269	192,100
Depreciation and amortization	15,892	15,730	15,301
Goodwill impairment		92,942
Income (loss) from operations	6,493	(85,983)	13,881
Share of net income from joint venture	0	0	0
Expenditures for long-lived assets	2,200	2,754	4,457
Total assets	184,196	197,348
Corporate and Consolidations | Corporate And Eliminations
Segment Reporting Information [Line Items]
Net sales	(79)		(335)
Depreciation and amortization	1,534	1,652	2,449
Income (loss) from operations	(24,536)	(36,702)	(41,027)
Share of net income from joint venture	0	0	0
Expenditures for long-lived assets	610	203	$ 2,743
Total assets	$ 37,734	56,629
Wuxi Weifu Autocam Precision Machinery Company, Ltd.
Segment Reporting Information [Line Items]
Investment in joint venture	49.00%
Wuxi Weifu Autocam Precision Machinery Company, Ltd. | Mobile Solutions | Operating Segments
Segment Reporting Information [Line Items]
Total assets	$ 34,000	$ 27,000