Net Sales (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	$ 1,358,272	$ 1,371,815	$ 1,298,816
United States [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	1,148,352	1,209,104	1,134,378
Canada [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	78,858	66,591	62,560
Europe [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	60,190	38,520	27,683
Mexico [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	43,057	31,317	25,646
Asia [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	20,399	19,186	41,016
Other Foreign [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	7,416	7,097	7,533
Vehicle Control [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	737,932	750,571	737,431
Vehicle Control [Member] | United States [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	659,570	682,145	677,684
Vehicle Control [Member] | Canada [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	36,088	35,233	35,063
Vehicle Control [Member] | Europe [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	916	661	771
Vehicle Control [Member] | Mexico [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	36,350	26,019	19,741
Vehicle Control [Member] | Asia [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	351	2,408	144
Vehicle Control [Member] | Other Foreign [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	4,657	4,105	4,028
Vehicle Control [Member] | Engine Management (Ignition, Emissions and Fuel Delivery [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	450,180	454,571	444,196
Vehicle Control [Member] | Electrical and Safety [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	221,782	230,487	224,520
Vehicle Control [Member] | Wire Sets and Other [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	65,970	65,513	68,715
Temperature Control [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	337,754	351,237	324,080
Temperature Control [Member] | United States [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	319,904	335,281	309,247
Temperature Control [Member] | Canada [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	17,081	14,596	13,585
Temperature Control [Member] | Europe [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	8	75	153
Temperature Control [Member] | Mexico [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	49	401	358
Temperature Control [Member] | Asia [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	526	63	101
Temperature Control [Member] | Other Foreign [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	186	821	636
Temperature Control [Member] | AC System Components [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	237,756	245,484	231,466
Temperature Control [Member] | Other Thermal Components [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	99,998	105,753	92,614
Engineered Solutions [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	282,586	270,007	237,305
Engineered Solutions [Member] | United States [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	168,878	191,678	147,447
Engineered Solutions [Member] | Canada [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	25,689	16,762	13,912
Engineered Solutions [Member] | Europe [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	59,266	37,784	26,759
Engineered Solutions [Member] | Mexico [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	6,658	4,897	5,547
Engineered Solutions [Member] | Asia [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	19,522	16,715	40,771
Engineered Solutions [Member] | Other Foreign [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	2,573	2,171	2,869
Engineered Solutions [Member] | Commercial Vehicle [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	83,025	80,275	76,066
Engineered Solutions [Member] | Construction/Agriculture [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	43,402	42,385	33,220
Engineered Solutions [Member] | Light Vehicle [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	92,759	91,533	86,440
Engineered Solutions [Member] | All Other [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	63,400	55,814	41,579
Other [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	0	0	0
Other [Member] | United States [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	0	0	0
Other [Member] | Canada [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	0	0	0
Other [Member] | Europe [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	0	0	0
Other [Member] | Mexico [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	0	0	0
Other [Member] | Asia [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	0	0	0
Other [Member] | Other Foreign [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	$ 0	$ 0	$ 0