Income Taxes (Schedule Of Reconciliation Of The Beginning And Ending Balances 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]
Balance at January 1	$ 24.2	$ 23.1	$ 25.5
Increases / (decreases) in unrecognized tax benefits as a result of tax positions taken during a prior period	3.2	6.9	2.6
Increases / (decreases) in unrecognized tax benefits as a result of tax positions taken during the current period	3.7	3.0	1.4
Increases / (decreases) in unrecognized tax benefits relating to settlements with taxing authorities	(2.0)	(6.5)	(1.6)
Reductions to unrecognized tax benefits as a result of a lapse of the applicable statute of limitations	(5.6)	(2.3)	(4.8)
Balance at December 31	$ 23.5	$ 24.2	$ 23.1