Restructuring and Other - Restructuring Reserve Roll Forward, Integration Related (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Restructuring Reserve [Roll Forward]
Accrual additions	$ 36.3	$ 13.8	$ 4.2	$ 2.7	$ 2.9	$ 5.6	$ 5.2	$ 8.2	$ 57.0	$ 21.9	$ 30.7
Business Integration
Restructuring Reserve [Roll Forward]
Beginning balance				$ 9.5				$ 22.6	9.5	22.6
Accrual additions									6.9	21.9
Cash payments									(16.4)	(35.0)
Ending balance	$ 0.0				$ 9.5				$ 0.0	$ 9.5	$ 22.6