Accrued Expenses And Other Current Liabilities (Schedule Of Accrued Expenses And Other Current Liabilities) (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015	Jun. 30, 2015
Payables and Accruals [Abstract]
Employee compensation and benefits	$ 41,467	$ 25,147	$ 27,750
Taxes payable	19,028	0	8,228
Current portion of accrued warranty	18,914	17,020	15,985
Sales rebates	11,711	7,993	7,561
Other	22,124	19,002	18,228
Accrued expenses and other current liabilities	$ 113,244	$ 69,162	$ 77,752