Restructuring (Restructuring Activity) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Restructuring Reserve [Roll Forward]
Balance, December 31, 2014	$ 33.4
Balance, December 31, 2015	15.1	$ 33.4
July 2014 Restructuring Program [Member]
Restructuring Reserve [Roll Forward]
Balance, December 31, 2014	33.4	0.0
Net provisions	41.9	151.1
Net benefits charged against the assets and other	(23.0)	(111.2)
Payments	(38.4)	(4.5)
Foreign currency translation	(3.3)	(2.0)
Balance, December 31, 2015	10.6	33.4
Total aggregate costs to date	193.0
July 2014 Restructuring Program [Member] | Employee Separation Costs [Member]
Restructuring Reserve [Roll Forward]
Balance, December 31, 2014	32.4	0.0
Net provisions	11.9	38.3
Net benefits charged against the assets and other	(2.8)	0.0
Payments	(30.8)	(3.9)
Foreign currency translation	(3.1)	(2.0)
Balance, December 31, 2015	7.6	32.4
Total aggregate costs to date	50.2
July 2014 Restructuring Program [Member] | Asset-Related Costs [Member]
Restructuring Reserve [Roll Forward]
Balance, December 31, 2014	0.0	0.0
Net provisions	15.8	104.2
Net benefits charged against the assets and other	(15.8)	(104.2)
Payments	0.0	0.0
Foreign currency translation	0.0	0.0
Balance, December 31, 2015	0.0	0.0
Total aggregate costs to date	120.0
July 2014 Restructuring Program [Member] | Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Balance, December 31, 2014	1.0	0.0
Net provisions	14.2	8.6
Net benefits charged against the assets and other	(4.4)	(7.0)
Payments	(7.6)	(0.6)
Foreign currency translation	(0.2)	0.0
Balance, December 31, 2015	3.0	$ 1.0
Total aggregate costs to date	$ 22.8