Segment Reporting (Schedule of Operating Profit by Segment) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Segment Reporting Information
Net sales	$ 1,045,590	$ 968,029
Cost of sales	793,841	744,123
Gross profit	251,749	223,906
Selling, general and administrative expenses	170,432	166,295
Operating profit	81,317	57,611
OEM Segment
Segment Reporting Information
Net sales	823,555	758,311
Aftermarket Segment
Segment Reporting Information
Net sales	222,035	209,718
Operating Segments | OEM Segment
Segment Reporting Information
Net sales	823,555	758,311
Cost of sales	646,480	610,983
Gross profit	177,075	147,328
Selling, general and administrative expenses	115,102	114,492
Operating profit	61,973	32,836
Operating Segments | Aftermarket Segment
Segment Reporting Information
Net sales	222,035	209,718
Cost of sales	147,361	133,140
Gross profit	74,674	76,578
Selling, general and administrative expenses	55,330	51,803
Operating profit	$ 19,344	$ 24,775