Financial Instruments (Effect Of Derivative Instruments On Consolidated Financial Statements) (Details) - 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)
Derivative Instruments, Gain Reclassified from Accumulated OCI into Income, Effective Portion	$ (4.2)	$ (2.8)	$ (7.9)	$ (8.6)
Operating Expense [Member]
Derivative Instruments, Gain (Loss)
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net	(7.1)	30.8	(3.1)	24.9
Derivative Instruments, Gain Reclassified from Accumulated OCI into Income, Effective Portion	$ (4.2)	$ (2.8)	$ (7.9)	$ (8.6)