Accrued Expenses And Other Current Liabilities (Schedule Of Reconciliation Of The Activity Related To Accrued Warranty) (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward]
Balance at beginning of period	$ 52,114	$ 47,091
Provision for warranty expense	28,164	12,304
Warranty liability from acquired businesses	0	125
Warranty costs paid	18,646	15,360
Balance at end of period	61,632	44,160
Less long-term portion	(21,460)	(18,790)
Current portion of accrued warranty	$ 40,172	$ 25,370	$ 33,874