Segment Reporting (Schedule of Operating Profit by Segment) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Segment Reporting Information
Operating profit	$ 90,604	$ 55,174	$ 148,215	$ 75,217
Operating Segments | OEM Segment
Segment Reporting Information
Operating profit	50,562	18,642	83,398	17,921
Operating Segments | Aftermarket Segment
Segment Reporting Information
Operating profit	$ 40,042	$ 36,532	$ 64,817	$ 57,296