Segment Reporting (Tables)

12 Months Ended

Dec. 31, 2015

Segment Reporting [Abstract]

Segment Information about Reported Product Revenues, Depreciation and Amortization and Operating Income (Loss)

The tables below present segment information about the reported product revenues and operating income of the Company for years ended December 31, 2015, 2014 and 2013. With the exception of goodwill, asset information by segment is not reported since the Company does not manage assets at a segment level. As of December 31, 2015, goodwill assigned to our Automotive and Industrial segments were $21,614 and $6,151, respectively.  As of December 31, 2014, goodwill assigned to our Automotive and Industrial segments were  $24,140 and $6,258, respectively.  

	Automotive		Industrial			Reconciling Items			Consolidated Total
2015:
Product revenues	$	810,567	$	45,878		$	—		$	856,445
Depreciation and amortization		27,251		1,726			2,052			31,029
Operating income (loss)		170,358		(2,461	)		(46,578	)		121,319
2014:
Product revenues	$	787,065	$	24,235		$	—		$	811,300
Depreciation and amortization		30,016		2,114			2,899			35,029
Operating income (loss)		144,645		(9,661	)		(36,550	)		98,434
2013:
Product revenues	$	662,082	$	—		$	—		$	662,082
Depreciation and amortization		28,439		323			2,487			31,249
Operating income (loss)		91,255		(5,860	)		(35,011	)		50,384

Product Revenues Information by Geographic Area

Revenue (based on shipment destination) by geographic area is as follows:

	2015		%			2014		%			2013		%
United States	$	393,206		46	%	$	361,706		45	%	$	292,079		44	%
South Korea		84,758		10	%		89,515		11	%		58,329		9	%
China		76,864		9	%		69,910		9	%		70,671		11	%
Germany		74,003		9	%		90,243		11	%		84,035		13	%
Japan		46,058		5	%		47,528		6	%		39,844		6	%
Mexico		28,274		3	%		19,590		2	%		15,670		2	%
Czech Republic		28,273		3	%		25,738		3	%		17,247		3	%
Canada		27,076		3	%		20,293		2	%		14,254		2	%
United Kingdom		25,952		3	%		24,712		3	%		18,864		3	%
Other		71,981		9	%		62,065		8	%		51,089		7	%
Total Non U.S.		463,239		54	%		449,594		56	%		370,003		56	%
	$	856,445		100	%	$	811,300		100	%	$	662,082		100	%

Percentage of Total Product Revenues Generated from Customers

We rely on three customers, two domestic and one foreign, to derive a significant portion of our product revenues.  The table below lists the percentage of total product revenues generated from sales to these customers:

	2015			2014			2013
Johnson Controls (domestic)		23	%		24	%		27	%
Lear (domestic)		22	%		21	%		18	%
Bosch (foreign)		9	%		9	%		10	%