Industry Segments (Details) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) Segment	Sep. 30, 2022 USD ($)
Segment Reporting Information, Profit (Loss) [Abstract]
Number of reportable operating segments | Segment				3
Net sales	[1]	$ 386,413	$ 381,373	$ 1,067,516	$ 1,063,616
Operating Income		34,806	33,615	82,730	88,423
Vehicle Control [Member] | Reportable Segments [Member]
Segment Reporting Information, Profit (Loss) [Abstract]
Net sales	[1]	190,937	197,699	559,303	560,734
Operating Income		18,071	21,151	54,719	57,554
Temperature Control [Member] | Reportable Segments [Member]
Segment Reporting Information, Profit (Loss) [Abstract]
Net sales	[1]	123,643	117,421	293,123	296,116
Operating Income		13,054	13,389	20,938	28,074
Engineered Solutions [Member] | Reportable Segments [Member]
Segment Reporting Information, Profit (Loss) [Abstract]
Net sales	[1]	71,833	66,253	215,090	206,766
Operating Income		7,254	3,302	19,064	14,699
Other [Member]
Segment Reporting Information, Profit (Loss) [Abstract]
Net sales	[1]	0	0	0	0
Operating Income		$ (3,573)	$ (4,227)	$ (11,991)	$ (11,904)

[1] There are no intersegment sales among our Vehicle Control, Temperature Control and Engineered Solutions operating segments.