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, 2023	Jun. 30, 2022	Dec. 31, 2022
Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward]
Balance at beginning of period	$ 54,528	$ 52,114
Provision for warranty expense	40,128	28,164
Warranty costs paid	31,968	18,646
Balance at end of period	62,688	61,632
Less long-term portion	(20,700)	(21,460)
Current portion of accrued warranty	$ 41,988	$ 40,172	$ 35,148