Accrued Expenses And Other Current Liabilities (Schedule of Reconciliation of the Activity Related to Accrued Warranty) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Movement in Standard and Extended Product Warranty, Increase (Decrease)
Balance at beginning of period	$ 47,091	$ 47,167	$ 46,530
Provision for warranty expense	28,223	19,037	30,520
Warranty liability from acquired businesses	7,890	2,915	287
Warranty costs paid	(31,090)	(22,028)	(30,170)
Balance at end of period	52,114	47,091	47,167
Less long-term portion	18,240	14,640	17,269
Current portion of accrued warranty	33,874	$ 32,451	$ 29,898
CURT
Movement in Standard and Extended Product Warranty, Increase (Decrease)
Warranty costs paid	$ (3,500)