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Segment Reporting (Schedule of Operating Profit by Segment) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Segment Reporting Information
Net sales	$ 1,036,477	$ 915,497	$ 3,189,317	$ 2,938,070
Cost of sales	783,864	695,539	2,414,934	2,227,761
Gross profit	252,613	219,958	774,383	710,309
Selling, general and administrative expenses	177,174	166,070	529,823	508,206
Operating profit	75,439	53,888	244,560	202,103
OEM Segment
Segment Reporting Information
Net sales	790,023	684,461	2,453,137	2,238,897
Aftermarket Segment
Segment Reporting Information
Net sales	246,454	231,036	736,180	699,173
Operating Segments | OEM Segment
Segment Reporting Information
Net sales	790,023	684,461	2,453,137	2,238,897
Cost of sales	626,190	551,922	1,938,092	1,789,236
Gross profit	163,833	132,539	515,045	449,661
Selling, general and administrative expenses	120,263	110,714	357,818	344,438
Operating profit	43,570	21,825	157,227	105,223
Operating Segments | Aftermarket Segment
Segment Reporting Information
Net sales	246,454	231,036	736,180	699,173
Cost of sales	157,674	143,617	476,842	438,525
Gross profit	88,780	87,419	259,338	260,648
Selling, general and administrative expenses	56,911	55,356	172,005	163,768
Operating profit	$ 31,869	$ 32,063	$ 87,333	$ 96,880

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