Schedule Of U.S. Federal, State And Foreign Income Taxes (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
U.S. federal	$ 159.0	$ 151.7	$ 132.0
State, Current	24.4	24.7	27.7
Foreign, Current	14.9	15.9	19.8
Current income tax expense (benefit)	198.3	192.3	179.5
U.S. federal, Deferred	11.5	12.6	11.4
State, Deferred	1.1	(1.7)	1.6
Foreign, Deferred	0.1	0.2	0.2
Deferred income tax expense (benefit)	12.7	11.1	13.2
Recorded tax expense	$ 211.0	$ 203.4	$ 192.7