Financial Instruments (Loss On Net Investment Hedges Recognized In AOCI, Amount Reclassified Into Earnings And Gain Recognized In Income On Derivative) (Details) - Cross Currency Swaps [Member] - Net Investment Hedging [Member] - Interest Expense [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Amount of Gain (Loss) Recognized in AOCL	$ (4,285)	$ 5,977	$ (3,195)	$ 8,454
Amount of (Loss) Gain Reclassified from AOCL into Income
Amount of Gain Recognized in Income of Derivative (Amount Excluded from Effectiveness Testing)	$ 259	$ 897	$ 1,651	$ 2,847