Restructuring Initiatives (Liability Balance for $400M Cost Savings Initiative) (Details) - $400M Cost Savings Initiative [Member] - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Opening Balance	$ 6.2	$ 38.0	$ 27.5
Charges	0.1	0.5	75.3
Adjustments	(1.6)	(5.1)	(7.4)
Cash payments	(1.9)	(26.4)	(51.7)
Non-cash write-offs	(0.2)	0.8	(3.5)
Foreign exchange	(0.1)	(1.6)	(2.2)
Ending Balance	2.5	6.2	38.0
Employee Related Costs [Member]
Opening Balance	5.8	37.1	25.9
Charges	(0.1)	0.6	64.2
Adjustments	(1.6)	(5.0)	(6.3)
Cash payments	(1.6)	(25.8)	(44.8)
Non-cash write-offs	0.0	0.4	0.2
Foreign exchange	(0.1)	(1.5)	(2.1)
Ending Balance	2.4	5.8	37.1
Inventory/ Asset Write-Offs [Member]
Opening Balance	0.0	0.0	0.0
Charges	0.2	0.0	0.0
Adjustments	0.0	0.0	0.0
Cash payments	0.0	0.0	0.0
Non-cash write-offs	(0.2)	0.0	0.0
Foreign exchange	0.0	0.0	0.0
Ending Balance	0.0	0.0	0.0
Currency Translation Adjustment Write Offs [Member]
Opening Balance	0.0	0.0	0.0
Charges	0.0	(0.4)	3.7
Adjustments	0.0	0.0	0.0
Cash payments	0.0	0.0	0.0
Non-cash write-offs	0.0	0.4	(3.7)
Foreign exchange	0.0	0.0	0.0
Ending Balance	0.0	0.0	0.0
Contract Terminations/ Other [Member]
Opening Balance	0.4	0.9	1.6
Charges	0.0	0.3	7.4
Adjustments	0.0	(0.1)	(1.1)
Cash payments	(0.3)	(0.6)	(6.9)
Non-cash write-offs	0.0	0.0	0.0
Foreign exchange	0.0	(0.1)	(0.1)
Ending Balance	$ 0.1	$ 0.4	$ 0.9