Accumulated Other Comprehensive Loss (Schedule Of Accumulated Other Comprehensive Loss By Component) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated other comprehensive loss, net of tax, beginning balance	$ (15,887)	$ (17,987)	$ (17,158)	$ (16,651)
Other comprehensive gain (loss) before reclassifications	(2,253)	1,466	(1,065)	130
Amounts reclassified from accumulated other comprehensive loss	(152)		69
Net current period other comprehensive gain (loss)	(2,405)	1,466	(1,134)	130
Accumulated other comprehensive loss, net of tax, ending balance	(18,292)	(16,521)	(18,292)	(16,521)
Foreign Currency Translation Adjustments [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated other comprehensive loss, net of tax, beginning balance	(13,884)	(10,795)	(12,729)	(8,375)
Other comprehensive gain (loss) before reclassifications	(3,501)	712	(4,656)	(1,708)
Amounts reclassified from accumulated other comprehensive loss
Net current period other comprehensive gain (loss)	(3,501)	712	(4,656)	(1,708)
Accumulated other comprehensive loss, net of tax, ending balance	(17,385)	(10,083)	(17,385)	(10,083)
Derivative Instruments, Net of Tax [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated other comprehensive loss, net of tax, beginning balance	(925)	(5,797)	(3,372)	(6,742)
Other comprehensive gain (loss) before reclassifications	1,268	637	3,632	1,582
Amounts reclassified from accumulated other comprehensive loss	(152)		(69)
Net current period other comprehensive gain (loss)	1,116	637	3,563	1,582
Accumulated other comprehensive loss, net of tax, ending balance	(191)	(5,160)	(191)	(5,160)
Other [Member]
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated other comprehensive loss, net of tax, beginning balance	(1,078)	(1,395)	(1,057)	(1,534)
Other comprehensive gain (loss) before reclassifications	(20)	117	(41)	256
Amounts reclassified from accumulated other comprehensive loss
Net current period other comprehensive gain (loss)	(20)	117	(41)	256
Accumulated other comprehensive loss, net of tax, ending balance	$ (1,098)	$ (1,278)	$ (1,098)	$ (1,278)