Accumulated Other Comprehensive Loss (Schedule Of Accumulated Other Comprehensive Loss By Component) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated other comprehensive loss, net of tax, beginning balance	$ (12,552)	$ (18,292)	$ (16,233)	$ (17,158)
Other comprehensive gain (loss) before reclassifications	(1,441)	(2,735)	3,535	(3,800)
Amounts reclassified from accumulated other comprehensive loss	(1,181)	(98)	(2,476)	(167)
Net current period other comprehensive gain (loss)	(2,622)	(2,833)	1,059	(3,967)
Accumulated other comprehensive loss, net of tax, ending balance	(15,174)	(21,125)	(15,174)	(21,125)
Foreign Currency Translation Adjustments [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated other comprehensive loss, net of tax, beginning balance	(14,772)	(17,385)	(15,877)	(12,729)
Other comprehensive gain (loss) before reclassifications	(1,891)	(3,541)	(786)	(8,197)
Amounts reclassified from accumulated other comprehensive loss	0	0	0	0
Net current period other comprehensive gain (loss)	(1,891)	(3,541)	(786)	(8,197)
Accumulated other comprehensive loss, net of tax, ending balance	(16,663)	(20,926)	(16,663)	(20,926)
Derivative Instruments, Net of Tax [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated other comprehensive loss, net of tax, beginning balance	2,932	191	788	(3,372)
Other comprehensive gain (loss) before reclassifications	560	828	3,999	4,460
Amounts reclassified from accumulated other comprehensive loss	(1,181)	(98)	(2,476)	(167)
Net current period other comprehensive gain (loss)	(621)	730	1,523	4,293
Accumulated other comprehensive loss, net of tax, ending balance	2,311	921	2,311	921
Other [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated other comprehensive loss, net of tax, beginning balance	(712)	(1,098)	(1,144)	(1,057)
Other comprehensive gain (loss) before reclassifications	(110)	(22)	322	(63)
Amounts reclassified from accumulated other comprehensive loss	0	0	0	0
Net current period other comprehensive gain (loss)	(110)	(22)	322	(63)
Accumulated other comprehensive loss, net of tax, ending balance	$ (822)	$ (1,120)	$ (822)	$ (1,120)