Segment Reporting (Schedule of Net Sales by Product) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting Information
Total net sales	$ 4,122,017	$ 3,741,208	$ 3,784,808
OEM Segment
Segment Reporting Information
Total net sales	3,189,653	2,860,450	2,903,742
Aftermarket Segment
Segment Reporting Information
Total net sales	932,364	880,758	881,066
Chassis, Chassis Parts and Slide-out Mechanisms | OEM Segment
Segment Reporting Information
Total net sales	895,486	811,607	785,158
Windows and Doors | OEM Segment
Segment Reporting Information
Total net sales	882,799	838,530	851,761
Furniture and Mattresses | OEM Segment
Segment Reporting Information
Total net sales	501,435	404,021	464,113
Axles and Suspension Solutions | OEM Segment
Segment Reporting Information
Total net sales	316,877	306,760	313,224
Appliances | OEM Segment
Segment Reporting Information
Total net sales	310,098	251,503	215,630
Other Products | OEM Segment
Segment Reporting Information
Total net sales	$ 282,958	$ 248,029	$ 273,856