Discontinued Operations Discontinued Operations (Schedule of Revenue and Operating Profit) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended			9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012	Sep. 30, 2013		Sep. 30, 2012
Discontinued Operations and Disposal Groups [Abstract]
Total revenue	$ 2.2		$ 40.3	$ 54.5		$ 108.8
Operating income (loss)(1)	$ 0.9	[1]	$ (4.6)	$ (81.0)	[1]	$ (8.1)

[1] Operating loss for the nine months ended September 30, 2013 includes a pre-tax charge of $79.0 recorded in the second quarter of 2013, reflecting the expected loss on sale, as well as an additional loss on sale of $.4 before tax recorded in the third quarter of 2013.