Segment Reporting (Schedule of Operating Profit by Segment) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Segment Reporting Information
Operating profit	$ 53,888	$ 45,590	$ 202,103	$ 120,807
Operating Segments \| OEM Segment
Segment Reporting Information
Operating profit	21,825	11,165	105,223	29,086
Operating Segments \| Aftermarket Segment
Segment Reporting Information
Operating profit	$ 32,063	$ 34,425	$ 96,880	$ 91,721

The net result for the period of deducting operating expenses from operating revenues.

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