Segment Reporting (Schedule of Operating Profit by Segment) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Segment Reporting Information
Net sales	$ 1,090,517	$ 1,045,590
Cost of sales	816,852	793,841
Gross profit	273,665	251,749
Selling, general and administrative expenses	178,506	170,432
Operating profit	95,159	81,317
OEM Segment
Segment Reporting Information
Net sales	852,814	823,555
Aftermarket Segment
Segment Reporting Information
Net sales	237,703	222,035
Operating Segments \| OEM Segment
Segment Reporting Information
Net sales	852,814	823,555
Cost of sales	658,389	646,480
Gross profit	194,425	177,075
Selling, general and administrative expenses	117,921	115,102
Operating profit	76,504	61,973
Operating Segments \| Aftermarket Segment
Segment Reporting Information
Net sales	237,703	222,035
Cost of sales	158,463	147,361
Gross profit	79,240	74,674
Selling, general and administrative expenses	60,585	55,330
Operating profit	$ 18,655	$ 19,344

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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- Definition

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

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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