Segment Information (Detail) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Segment Reporting Information [Line Items]
Net sales	$ 150,420		$ 221,666	$ 350,165	$ 434,922
Goodwill impairment	0		0	239,699	0
Income (loss) from operations	(8,206)		7,512	(253,538)	7,195
Interest expense	(18,696)		(13,958)	(35,773)	(27,759)
Other	881		(57)	(239)	(3,485)
Loss before benefit (provision) for income taxes and share of net income (loss) from joint venture	(26,021)		(6,503)	(289,550)	(24,049)
Total assets	1,296,014			1,296,014		$ 1,541,984
Life Sciences
Segment Reporting Information [Line Items]
Goodwill impairment		$ 146,800		146,757
Total assets	637,927			637,927		811,526
Mobile Solutions
Segment Reporting Information [Line Items]
Total assets	356,237			356,237		373,256
Power Solutions
Segment Reporting Information [Line Items]
Goodwill impairment		$ 92,900		92,942
Total assets	201,781			201,781		310,545
Corporate and Consolidations
Segment Reporting Information [Line Items]
Total assets	100,069			100,069		$ 46,657
Operating Segments | Life Sciences
Segment Reporting Information [Line Items]
Net sales	72,399		91,332	156,447	177,340
Goodwill impairment				146,757
Income (loss) from operations	4,333		9,305	(136,646)	13,151
Operating Segments | Mobile Solutions
Segment Reporting Information [Line Items]
Net sales	41,037		79,444	110,921	157,519
Goodwill impairment				0
Income (loss) from operations	(4,592)		3,506	(4,328)	6,695
Operating Segments | Power Solutions
Segment Reporting Information [Line Items]
Net sales	37,491		51,393	83,892	101,050
Goodwill impairment				92,942
Income (loss) from operations	1,454		5,682	(88,880)	9,506
Corporate and Eliminations | Corporate and Consolidations
Segment Reporting Information [Line Items]
Net sales	(507)		(503)	(1,095)	(987)
Goodwill impairment				0
Income (loss) from operations	$ (9,401)		$ (10,981)	$ (23,684)	$ (22,157)