Derivative Financial Instruments (Schedule Of Derivative Instruments Fair Value And Balance Sheet Classification) (Details) - Forward exchange contracts [Member] - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Prepaid And Other Current Assets [Member]
Derivative instruments in asset positions, Forward exchange contracts	$ 357	$ 491
Other Long-Term Assets [Member]
Derivative instruments in asset positions, Forward exchange contracts		20
Other Long-Term Liabilities [Member]
Derivative instruments in liability positions, Forward exchange contracts	$ 6	$ 24