Derivative Financial Instruments (Location And Amounts Of Pre-Tax Gains (Losses) On Cash Flow Hedge Derivatives Financial Instruments) (Details) - Cash Flow Hedging [Member] - Designated as Hedging Instrument [Member] - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Derivative Instruments, Gain (Loss) [Line Items]
Net (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income (effective portion)	$ (17.2)	$ (31.0)	$ (30.9)	$ (71.3)
Cost Of Revenues [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Net (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income (effective portion)	(14.1)	(25.6)	(25.3)	(59.1)
Selling, General and Administrative Expenses [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Net (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income (effective portion)	(3.1)	(5.4)	(5.6)	(12.2)
Foreign Exchange Forward [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Increase (decrease) in Derivative Gains (Losses) Recognized in Accumulated Other Comprehensive Income (Loss) (effective portion)	$ (9.0)	$ 34.7	$ 25.7	$ 121.0