Accrued Expenses And Other Current Liabilities (Schedule of Accrued Expenses and Other Current Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Payables and Accruals [Abstract]
Employee compensation and benefits	$ 45,612	$ 33,835
Current portion of accrued warranty	29,898	32,180	$ 23,055
Customer rebates	14,129	6,193
Other	42,781	26,424
Accrued expenses and other current liabilities	$ 132,420	$ 98,632