Revenue from Contracts with Customers (Tables)

12 Months Ended

Dec. 31, 2018

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following tables summarize sales to external customers by operating segment for the years ended December 31, 2018, 2017, and 2016.

	Year Ended December 31, 2018
	Mobile Solutions		Power Solutions		Life Sciences		Intersegment Sales Eliminations			Total
United States	$	187,178	$	157,357	$	206,776	$	(2,331	)	$	548,980
China	43,610		5,537		6,130		—			55,277
Mexico	27,053		12,254		191		—			39,498
Brazil	35,314		215		29		—			35,558
Germany	5,652		26		19,870		—			25,548
Switzerland	5,006		54		6,446		—			11,506
Poland	7,010		13		8		—			7,031
Italy	5,558		221		317		—			6,096
Czech Republic	6,131		47		—		—			6,178
Netherlands	—		3,290		—		—			3,290
Other	12,525		10,764		8,406		—			31,695
Total net sales	$	335,037	$	189,778	$	248,173	$	(2,331	)	$	770,657

	Year Ended December 31, 2017
	Mobile Solutions		Power Solutions		Life Sciences		Intersegment Sales Eliminations			Total
United States	$	190,828	$	152,938	$	96,062	$	(1,990	)	$	437,838
China	45,503		6,481		267		—			52,251
Mexico	26,639		14,220		78		—			40,937
Brazil	35,425		185		—		—			35,610
Germany	5,502		11		35		—			5,548
Switzerland	5,450		—		—		—			5,450
Poland	5,183		—		—		—			5,183
Italy	5,347		334		—		—			5,681
Czech Republic	—		—		—		—			—
Netherlands	—		2,817		—		—			2,817
Other	16,975		9,616		1,887		—			28,478
Total net sales	$	336,852	$	186,602	$	98,329	$	(1,990	)	$	619,793

	Year Ended December 31, 2016
	Mobile Solutions		Power Solutions		Life Sciences		Intersegment Sales Eliminations			Total
United States	$	196,217	$	134,564	$	78,707	$	(1,571	)	$	407,917
China	44,579		8,131		403		—			53,113
Mexico	24,919		20,944		—		—			45,863
Brazil	23,801		458		—		—			24,259
Germany	4,497		8		35		—			4,540
Switzerland	—		—		—		—			—
Poland	—		—		—		—			—
Italy	5,027		322		—		—			5,349
Czech Republic	—		—		—		—			—
Netherlands	—		1,882		—		—			1,882
Other	27,098		14,021		912		—			42,031
Total net sales	$	326,138	$	180,330	$	80,057	$	(1,571	)	$	584,954

Contract with Customer, Asset and Liability

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

	Deferred Revenue
Balance at January 1, 2018	$	2,124
Balance at December 31, 2018	$	2,974

Schedule of New Accounting Pronouncements and Changes in Accounting Principles

The following table presents the impact of adoption of ASC 606 on our Consolidated Statements of Operations and Comprehensive Income (Loss) and our Consolidated Balance Sheets. Differences are due to the acceleration in the recognition of revenue to the point of shipment or delivery for contracts where an unconditional obligation to purchase is present for inventory that was considered in consignment under ASC 605.

	Year Ended December 31, 2018
	As Reported			Balances Without Adoption of ASC 606			Effect of Change
Net sales	$	770,657		$	770,654		$	3
Cost of sales	588,205			588,202			3
Income (loss) from operations	(178,888		)	(178,888		)	—

	As of December 31, 2018
	As Reported		Balances Without Adoption of ASC 606		Effect of Change
Accounts receivable, net	$	133,421	$	132,810	$	611
Inventories	122,615		122,988		(373		)