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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

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