Income Taxes (Schedule Of Unrecognized Tax Benefits) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Taxes [Abstract]
Unrecognized tax benefits balance at January 1	$ 138.4	$ 127.2	$ 126.3
Gross change for current year positions	8.5	10.2	4.1
Increases for prior period positions	1.4	7.8	1.4
Decrease for prior period positions	(2.1)	(6.1)	(3.9)
Decrease due to statute expirations	(1.0)	(0.7)	(0.7)
Unrecognized tax benefits balance at December 31	$ 145.2	$ 138.4	$ 127.2