Restructuring and Other Charges - Restructuring Reserve Activity (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Restructuring and Related Activities [Abstract]
Restructuring Reserve, beginning of period			$ 7.8	$ 35.3
Liabilities incurred	$ 7.2	$ 0.7	10.3	5.8
Liabilities paid/settled			(10.4)	(33.1)
Restructuring Reserve, end of period	$ 7.7	$ 8.0	$ 7.7	$ 8.0