Segment Reporting (Schedule of Net Sales by Product) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting Information
Total net sales	$ 3,741,208	$ 3,784,808	$ 5,207,143
OEM Segment
Segment Reporting Information
Total net sales	2,860,450	2,903,742	4,315,870
Aftermarket Segment
Segment Reporting Information
Total net sales	880,758	881,066	891,273
Chassis, Chassis Parts and Slide-out Mechanisms | OEM Segment
Segment Reporting Information
Total net sales	811,607	785,158	1,563,168
Windows and Doors | OEM Segment
Segment Reporting Information
Total net sales	838,530	851,761	1,085,302
Furniture and Mattresses | OEM Segment
Segment Reporting Information
Total net sales	404,021	464,113	790,664
Axles and Suspension Solutions | OEM Segment
Segment Reporting Information
Total net sales	306,760	313,224	306,843
Other Products | OEM Segment
Segment Reporting Information
Total net sales	$ 499,532	$ 489,486	$ 569,893