Accrued Liabilities (Schedule Of Accrued Liabilities) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Accrued Liabilities, Current [Abstract]
Accrued employee compensation and related expenses	$ 158,156	$ 142,994
Accrued expenses	107,590	149,446
Accrued customer incentives and refund obligations	84,415	72,250
Accrued taxes	50,259	48,547
Current lease liabilities	$ 19,892	$ 20,425
Operating lease, liability, current, statement of financial position [extensible enumeration]	Accrued liabilities	Accrued liabilities
Accrued liabilities	$ 420,312	$ 433,662