Segment Reporting (Tables)

12 Months Ended

Dec. 31, 2023

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, 2023, 2022 and 2021.

	Automotive		Medical			Corporate			Total
2023:
Product revenues	$	1,422,952	$	46,124		$	—		$	1,469,076
Depreciation and amortization		45,845		3,654			1,449			50,948
Operating income (loss)		185,956		(22,234	)		(86,283	)		77,439
2022:
Product revenues	$	1,161,616	$	43,040		$	—		$	1,204,656
Depreciation and amortization		39,815		3,344			1,235			44,394
Operating income (loss)		118,433		(4,029	)		(66,097	)		48,307
2021:
Product revenues	$	1,004,633	$	41,517		$	—		$	1,046,150
Depreciation and amortization		35,389		2,460			931			38,780
Operating income (loss)		162,994		(1,829	)		(46,159	)		115,006

Segment Information About Reported Segment Product Revenues by Product Category

Automotive and Medical segment product revenues by product category for each of the years ended December 31, 2023, 2022 and 2021 are as follows:

	Year Ended December 31,
	2023		2022		2021
Climate Control Seat	$	482,665	$	426,046	$	393,816
Seat Heaters		308,588		283,970		270,054
Steering Wheel Heaters		153,943		120,949		102,496
Lumbar and Massage Comfort Solutions (a)		144,923		56,980		—
Valve Systems (a)		106,262		41,980		—
Automotive Cables		79,993		76,962		84,114
Battery Performance Solutions		75,484		71,907		69,594
Electronics		40,387		44,106		51,648
Other Automotive		30,707		38,716		32,911
Subtotal Automotive segment		1,422,952		1,161,616		1,004,633
Medical segment (a)		46,124		43,040		41,517
Total Company	$	1,469,076	$	1,204,656	$	1,046,150

(a)Includes product revenues from acquisitions since their respective acquisition dates (see Note 4).

Product Revenues Information by Geographic Area

Revenue (based on shipment destination) by geographic area for each of the years ended December 31, 2023, 2022 and 2021 is as follows:

	Year Ended December 31,
	2023		2022		2021
United States	$	537,096	$	472,468	$	404,466
China		221,512		183,419		142,816
South Korea		115,854		94,937		93,516
Germany		102,383		75,367		66,929
Czech Republic		69,714		49,293		43,931
Japan		60,879		57,718		63,527
Romania		53,982		47,532		51,367
Mexico		45,733		23,233		18,194
Slovakia		44,946		34,686		30,004
Finland		39,632		33,627		29,325
Other		177,345		132,376		102,075
Total Non-U.S.		931,980		732,188		641,684
Total Company	$	1,469,076	$	1,204,656	$	1,046,150

Percentage of Total Product Revenues Generated from Customers

The table below lists the percentage of total product revenues generated from sales to customers which contributed 10% or more to the Company’s total consolidated product revenue for the years ended December 31, 2023, 2022 and 2021:

	Year Ended December 31,
	2023			2022			2021
Lear		15	%		16	%		15	%
Adient		13	%		15	%		15	%

Schedule of Property and Equipment, Net by Geographic Area

Property and equipment, net, for each of the geographic areas in which the Company operates as of December 31, 2023 and 2022 is as follows:

	December 31,
Property and equipment, net	2023		2022
Germany	$	46,586	$	47,342
China		45,429		43,162
Mexico		39,943		31,597
United States		37,413		41,034
North Macedonia		27,675		27,808
Vietnam		21,664		19,808
Czech Republic		11,126		11,381
Hungary		9,097		11,736
Ukraine		5,986		5,077
Other		315		5,535
Total	$	245,234	$	244,480