Revenue from Contracts with Customers - Summary of Revenue from Contracts with Customers (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenue, Major Customer [Line Items]
Net sales	$ 199,745	$ 213,256
Intersegment Sales Eliminations
Revenue, Major Customer [Line Items]
Net sales	(588)	(484)
United States
Revenue, Major Customer [Line Items]
Net sales	145,200	153,431
United States | Intersegment Sales Eliminations
Revenue, Major Customer [Line Items]
Net sales	(588)	(484)
Chinese
Revenue, Major Customer [Line Items]
Net sales	10,887	12,683
Chinese | Intersegment Sales Eliminations
Revenue, Major Customer [Line Items]
Net sales	0	0
Mexico
Revenue, Major Customer [Line Items]
Net sales	7,099	8,214
Mexico | Intersegment Sales Eliminations
Revenue, Major Customer [Line Items]
Net sales	0	0
Brazil
Revenue, Major Customer [Line Items]
Net sales	8,713	8,451
Brazil | Intersegment Sales Eliminations
Revenue, Major Customer [Line Items]
Net sales	0	0
Germany
Revenue, Major Customer [Line Items]
Net sales	7,799	10,307
Germany | Intersegment Sales Eliminations
Revenue, Major Customer [Line Items]
Net sales	0	0
Switzerland
Revenue, Major Customer [Line Items]
Net sales	3,984	4,640
Switzerland | Intersegment Sales Eliminations
Revenue, Major Customer [Line Items]
Net sales	0	0
Other Country
Revenue, Major Customer [Line Items]
Net sales	16,063	15,530
Other Country | Intersegment Sales Eliminations
Revenue, Major Customer [Line Items]
Net sales	0	0
Life Sciences | Operating Segments
Revenue, Major Customer [Line Items]
Net sales	84,048	86,008
Life Sciences | United States | Operating Segments
Revenue, Major Customer [Line Items]
Net sales	70,362	68,343
Life Sciences | Chinese | Operating Segments
Revenue, Major Customer [Line Items]
Net sales	2,038	1,692
Life Sciences | Mexico | Operating Segments
Revenue, Major Customer [Line Items]
Net sales	120	127
Life Sciences | Brazil | Operating Segments
Revenue, Major Customer [Line Items]
Net sales	0	0
Life Sciences | Germany | Operating Segments
Revenue, Major Customer [Line Items]
Net sales	5,610	8,885
Life Sciences | Switzerland | Operating Segments
Revenue, Major Customer [Line Items]
Net sales	3,032	3,265
Life Sciences | Other Country | Operating Segments
Revenue, Major Customer [Line Items]
Net sales	2,886	3,696
Mobile Solutions | Operating Segments
Revenue, Major Customer [Line Items]
Net sales	69,884	78,075
Mobile Solutions | United States | Operating Segments
Revenue, Major Customer [Line Items]
Net sales	37,129	44,457
Mobile Solutions | Chinese | Operating Segments
Revenue, Major Customer [Line Items]
Net sales	7,692	9,153
Mobile Solutions | Mexico | Operating Segments
Revenue, Major Customer [Line Items]
Net sales	4,836	5,378
Mobile Solutions | Brazil | Operating Segments
Revenue, Major Customer [Line Items]
Net sales	8,583	8,382
Mobile Solutions | Germany | Operating Segments
Revenue, Major Customer [Line Items]
Net sales	2,150	1,406
Mobile Solutions | Switzerland | Operating Segments
Revenue, Major Customer [Line Items]
Net sales	931	1,359
Mobile Solutions | Other Country | Operating Segments
Revenue, Major Customer [Line Items]
Net sales	8,563	7,940
Power Solutions | Operating Segments
Revenue, Major Customer [Line Items]
Net sales	46,401	49,657
Power Solutions | United States | Operating Segments
Revenue, Major Customer [Line Items]
Net sales	38,297	41,115
Power Solutions | Chinese | Operating Segments
Revenue, Major Customer [Line Items]
Net sales	1,157	1,838
Power Solutions | Mexico | Operating Segments
Revenue, Major Customer [Line Items]
Net sales	2,143	2,709
Power Solutions | Brazil | Operating Segments
Revenue, Major Customer [Line Items]
Net sales	130	69
Power Solutions | Germany | Operating Segments
Revenue, Major Customer [Line Items]
Net sales	39	16
Power Solutions | Switzerland | Operating Segments
Revenue, Major Customer [Line Items]
Net sales	21	16
Power Solutions | Other Country | Operating Segments
Revenue, Major Customer [Line Items]
Net sales	$ 4,614	$ 3,894