Revenue from Contracts with Customers (Tables)

9 Months Ended

Sep. 30, 2019

Revenue from Contract with Customer [Abstract]

Summary of Revenue from Contracts with Customers

The following tables present sales to external customers by reportable segment.

	Three Months Ended September 30, 2019
	Life Sciences		Mobile Solutions		Power Solutions		Intersegment Sales Eliminations			Total
United States	$	79,429	$	40,147	$	38,750	$	(615	)	$	157,711
China	1,590		9,109		1,870		—			12,569
Brazil	—		9,414		72		—			9,486
Mexico	68		4,700		3,832		—			8,600
Germany	6,504		1,768		17		—			8,289
Switzerland	2,985		1,094		15		—			4,094
Other	3,435		6,839		2,874		—			13,148
Total net sales	$	94,011	$	73,071	$	47,430	$	(615	)	$	213,897

			Three Months Ended September 30, 2018
	Life Sciences		Mobile Solutions		Power Solutions		Intersegment Sales Eliminations			Total
United States	$	63,869	$	46,341	$	38,137	$	(567	)	$	147,780
China	2,405		11,111		1,696		—			15,212
Mexico	90		6,570		2,254		—			8,914
Germany	7,321		1,415		17		—			8,753
Brazil	—		8,200		107		—			8,307
Poland	2,107		1,215		6		—			3,328
Switzerland	—		1,420		47		—			1,467
Other	2,571		5,533		3,818		—			11,922
Total net sales	$	78,363	$	81,805	$	46,082	$	(567	)	$	205,683

			Nine Months Ended September 30, 2019
	Life Sciences		Mobile Solutions		Power Solutions		Intersegment Sales Eliminations			Total
United States	$	222,001	$	129,116	$	120,445	$	(1,602	)	$	469,960
China	5,155		27,580		5,306		—			38,041
Germany	23,836		4,490		54		—			28,380
Brazil	—		27,432		221		—			27,653
Mexico	312		15,144		10,776		—			26,232
Switzerland	9,759		3,606		56		—			13,421
Other	10,288		23,222		11,622		—			45,132
Total net sales	$	271,351	$	230,590	$	148,480	$	(1,602	)	$	648,819

			Nine Months Ended September 30, 2018
	Life Sciences		Mobile Solutions		Power Solutions		Intersegment Sales Eliminations			Total
United States	$	142,863	$	144,138	$	120,189	$	(1,798	)	$	405,392
China	3,843		34,273		4,140		—			42,256
Mexico	429		21,042		8,799		—			30,270
Brazil	29		27,722		157		—			27,908
Germany	11,138		4,500		24		—			15,662
Switzerland	3,827		3,915		35		—			7,777
Poland	1		5,485		23		—			5,509
Other	6,586		18,603		11,217		—			36,406
Total net sales	$	168,716	$	259,678	$	144,584	$	(1,798	)	$	571,180

Summary of Contract Liabilities from Contracts with Customers

The following table provides information about contract liabilities from contracts with customers.

	Deferred Revenue
Balance at January 1, 2019	$	2,974
Balance at September 30, 2019	$	3,268