Financial Instruments (Effect On Derivative Instruments On Consolidated Statements Of Operations) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Earnings	$ 4,767	$ 6,002	$ 16,474	$ 18,578
Foreign Currency Losses, Net [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Earnings	1,450	3,655	1,278	7,662
Foreign Currency Forward Contracts [Member] | Foreign Currency Losses, Net [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in Earnings	$ 3,586	$ (1,642)	$ 3,996	$ (1,615)