Accumulated Other Comprehensive Loss (Schedule Of Accumulated Other Comprehensive Loss By Component) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated other comprehensive loss, net of tax, beginning balance	$ (18,292)	$ (16,521)	$ (17,158)	$ (16,651)
Other comprehensive gain (loss) before reclassifications	(2,735)	(1,171)	(3,800)	(1,041)
Amounts reclassified from accumulated other comprehensive loss	(98)	60	(167)	60
Net current period other comprehensive gain (loss)	(2,833)	(1,111)	(3,967)	(981)
Accumulated other comprehensive loss, net of tax, ending balance	(21,125)	(17,632)	(21,125)	(17,632)
Foreign Currency Translation Adjustments [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated other comprehensive loss, net of tax, beginning balance	(17,385)	(10,083)	(12,729)	(8,375)
Other comprehensive gain (loss) before reclassifications	(3,541)	(1,438)	(8,197)	(3,146)
Amounts reclassified from accumulated other comprehensive loss
Net current period other comprehensive gain (loss)	(3,541)	(1,438)	(8,197)	(3,146)
Accumulated other comprehensive loss, net of tax, ending balance	(20,926)	(11,521)	(20,926)	(11,521)
Derivative Instruments, Net of Tax [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated other comprehensive loss, net of tax, beginning balance	(191)	(5,160)	(3,372)	(6,742)
Other comprehensive gain (loss) before reclassifications	828	154	4,460	1,736
Amounts reclassified from accumulated other comprehensive loss	(98)	60	(167)	60
Net current period other comprehensive gain (loss)	730	214	4,293	1,796
Accumulated other comprehensive loss, net of tax, ending balance	921	(4,946)	921	(4,946)
Other [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated other comprehensive loss, net of tax, beginning balance	(1,098)	(1,278)	(1,057)	(1,534)
Other comprehensive gain (loss) before reclassifications	(22)	113	(63)	369
Amounts reclassified from accumulated other comprehensive loss
Net current period other comprehensive gain (loss)	(22)	113	(63)	369
Accumulated other comprehensive loss, net of tax, ending balance	$ (1,120)	$ (1,165)	$ (1,120)	$ (1,165)