Derivative Instruments and Hedging Activities (Schedule Of Fair Value Of Outstanding Derivatives) (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Foreign Exchange Forward [Member]
Derivatives, Fair Value [Line Items]
Asset Derivatives, Fair Value	$ 93,589	$ 158,054
Liability Derivatives, Fair Value	62,796	10,421
Foreign Exchange Forward [Member] | Other Current Assets | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Asset Derivatives, Fair Value	55,976	85,058
Foreign Exchange Forward [Member] | Other Current Liabilities [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Liability Derivatives, Fair Value	15,870	1,491
Foreign Exchange Forward [Member] | Other Noncurrent Assets | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Asset Derivatives, Fair Value	35,019	66,309
Foreign Exchange Forward [Member] | Other Non Current Liabilities [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Liability Derivatives, Fair Value	30,740	4,773
Foreign Exchange Forward [Member] | Other Current Assets | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Asset Derivatives, Fair Value	2,594	6,687
Foreign Exchange Forward [Member] | Other Current Liabilities [Member] | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Liability Derivatives, Fair Value	$ 16,186	$ 4,157