Accumulated Other Comprehensive Loss (Schedule Of Accumulated Other Comprehensive Loss By Component) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated other comprehensive loss, net of tax, beginning balance	$ (13,809)	$ (15,887)	$ (16,233)	$ (17,158)
Other comprehensive gain (loss) before reclassifications	2,124	(2,253)	4,976	(1,065)
Amounts reclassified from accumulated other comprehensive loss	(867)	(152)	(1,295)	(69)
Net current period other comprehensive gain (loss)	1,257	(2,405)	3,681	(1,134)
Accumulated other comprehensive loss, net of tax, ending balance	(12,552)	(18,292)	(12,552)	(18,292)
Foreign Currency Translation Adjustments [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated other comprehensive loss, net of tax, beginning balance	(14,827)	(13,884)	(15,877)	(12,729)
Other comprehensive gain (loss) before reclassifications	55	(3,501)	1,105	(4,656)
Amounts reclassified from accumulated other comprehensive loss	0	0	0	0
Net current period other comprehensive gain (loss)	55	(3,501)	1,105	(4,656)
Accumulated other comprehensive loss, net of tax, ending balance	(14,772)	(17,385)	(14,772)	(17,385)
Derivative Instruments, Net of Tax [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated other comprehensive loss, net of tax, beginning balance	1,936	(925)	788	(3,372)
Other comprehensive gain (loss) before reclassifications	1,863	1,268	3,439	3,632
Amounts reclassified from accumulated other comprehensive loss	(867)	(152)	(1,295)	(69)
Net current period other comprehensive gain (loss)	996	1,116	2,144	3,563
Accumulated other comprehensive loss, net of tax, ending balance	2,932	191	2,932	191
Other [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated other comprehensive loss, net of tax, beginning balance	(918)	(1,078)	(1,144)	(1,057)
Other comprehensive gain (loss) before reclassifications	206	(20)	432	(41)
Amounts reclassified from accumulated other comprehensive loss	0	0	0	0
Net current period other comprehensive gain (loss)	206	(20)	432	(41)
Accumulated other comprehensive loss, net of tax, ending balance	$ (712)	$ (1,098)	$ (712)	$ (1,098)