Net Sales (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	$ 386,413	$ 381,373	$ 1,067,516	$ 1,063,616
United States [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	329,707	340,338	911,758	940,208
Canada [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	24,527	20,210	60,736	51,156
Europe [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	15,145	9,407	45,589	31,391
Mexico [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	10,308	7,377	30,898	21,939
Asia [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	4,915	2,488	13,412	13,655
Other Foreign [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	1,811	1,553	5,123	5,267
Vehicle Control [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	190,937	197,699	559,303	560,734
Vehicle Control [Member] | United States [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	171,188	180,323	502,798	512,477
Vehicle Control [Member] | Canada [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	9,440	10,342	26,604	26,255
Vehicle Control [Member] | Europe [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	174	94	620	462
Vehicle Control [Member] | Mexico [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	8,968	6,154	25,734	18,237
Vehicle Control [Member] | Asia [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	132	56	282	214
Vehicle Control [Member] | Other Foreign [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	1,035	730	3,265	3,089
Vehicle Control [Member] | Engine Management (Ignition, Emission Control, Fuel Delivery [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	113,188	117,750	342,860	338,480
Vehicle Control [Member] | Electrical and Safety [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	62,049	63,867	166,720	173,178
Vehicle Control [Member] | Wire Sets and Other [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	15,700	16,082	49,723	49,076
Temperature Control [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	123,643	117,421	293,123	296,116
Temperature Control [Member] | United States [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	116,684	112,387	278,354	282,903
Temperature Control [Member] | Canada [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	6,501	4,763	14,182	12,351
Temperature Control [Member] | Europe [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	0	9	0	44
Temperature Control [Member] | Mexico [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	29	114	47	303
Temperature Control [Member] | Asia [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	367	0	387	43
Temperature Control [Member] | Other Foreign [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	62	148	153	472
Temperature Control [Member] | AC System Components [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	96,794	90,341	216,995	219,323
Temperature Control [Member] | Other Thermal Components [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	26,849	27,080	76,128	76,793
Engineered Solutions [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	71,833	66,253	215,090	206,766
Engineered Solutions [Member] | United States [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	41,835	47,628	130,606	144,828
Engineered Solutions [Member] | Canada [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	8,586	5,105	19,950	12,550
Engineered Solutions [Member] | Europe [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	14,971	9,304	44,969	30,885
Engineered Solutions [Member] | Mexico [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	1,311	1,109	5,117	3,399
Engineered Solutions [Member] | Asia [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	4,416	2,432	12,743	13,398
Engineered Solutions [Member] | Other Foreign [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	714	675	1,705	1,706
Engineered Solutions [Member] | Commercial Vehicle [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	16,253	19,299	62,852	60,253
Engineered Solutions [Member] | Construction Agriculture [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	13,643	10,971	34,541	33,177
Engineered Solutions [Member] | Light Vehicle [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	24,667	21,409	71,181	70,523
Engineered Solutions [Member] | All Other [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	17,270	14,574	46,516	42,813
Other [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	0	0	0	0
Other [Member] | United States [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	0	0	0	0
Other [Member] | Canada [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	0	0	0	0
Other [Member] | Europe [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	0	0	0	0
Other [Member] | Mexico [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	0	0	0	0
Other [Member] | Asia [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	0	0	0	0
Other [Member] | Other Foreign [Member]
Disaggregation of Revenue [Abstract]
Disaggregation of net sales	$ 0	$ 0	$ 0	$ 0