Segment Reporting (Schedule of Operating Profit by Segment) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Segment Reporting Information
Operating profit	$ 20,043	$ 269,701
Operating Segments \| OEM Segment
Segment Reporting Information
Operating profit	(721)	245,374
Operating Segments \| Aftermarket Segment
Segment Reporting Information
Operating profit	$ 20,764	$ 24,327

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

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