Restructuring, Impairment and Transaction-Related Charges (Schedule of Restructuring Costs) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Restructuring and Related Activities [Abstract]
Employee termination charges	$ 42.1	$ 30.6	$ 15.7
Impairment charges	95.3	14.4	21.8
Transaction-related charges (income)	(6.7)	2.6	4.0
Integration costs	5.1	11.2	25.2
Other restructuring charges	29.1	8.5	28.6
Total	$ 164.9	$ 67.3	$ 95.3