Restructuring and Other Charges - Restructuring Reserve Activity (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Restructuring and Related Activities [Abstract]
Restructuring Reserve, beginning of period			$ 7.8	$ 35.3
Liabilities incurred	$ 7.6	$ 1.0	17.9	6.8
Liabilities paid/settled			(20.1)	(35.9)
Restructuring Reserve, end of period	$ 5.6	$ 6.2	$ 5.6	$ 6.2