Effects of Derivative Instruments on OCI and Earnings (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Derivative Instruments, Gain (Loss) [Line Items]
Document Period End Date			Sep. 30, 2019
Fair Value Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	$ (0.6)		$ 3.9
Derivative, Gain (Loss) on Derivative, Net	4.3	$ (2.0)	(5.0)	$ (3.4)
Amount of (gain) loss reclassified from accumulated OCI into income	2.9		(3.3)
Cash Flow Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	1.3	(0.4)	2.1	1.1
Amount of (gain) loss reclassified from accumulated OCI into income	(0.4)	0.0	(1.0)	1.4
Cash Flow Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	0.1	0.0	0.3	(0.5)
Net Investment Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	0.7	0.2	0.5	0.7
Amount of (gain) loss reclassified from accumulated OCI into income	0.0	0.0	0.0	0.0
Foreign Currency Hedge Contracts [Member] | Net sales [Member] | Cash Flow Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	0.7	0.1	1.0	0.2
Amount of (gain) loss reclassified from accumulated OCI into income	(0.3)	0.0	(0.7)	0.8
Foreign Currency Hedge Contracts [Member] | Cost of goods and services sold [Member] | Cash Flow Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	0.6	(0.5)	1.1	0.9
Amount of (gain) loss reclassified from accumulated OCI into income	(0.2)	(0.1)	(0.5)	0.4
Foreign Currency Hedge Contracts [Member] | Other expense [Member] | Fair Value Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	(0.6)		3.9
Derivative, Gain (Loss) on Derivative, Net	4.3	(2.0)	(5.0)	(3.4)
Amount of (gain) loss reclassified from accumulated OCI into income	2.9		(3.3)
Foreign Currency Hedge Contracts [Member] | Cost of goods and services sold [Member] | Cash Flow Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	0.1	0.0	0.3	(0.5)
Forward Treasury Locks [Member] | Interest expense [Member] | Cash Flow Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	0.0	0.0	0.0	0.0
Amount of (gain) loss reclassified from accumulated OCI into income	0.1	0.1	0.2	0.2
Foreign Currency - Denominated Debt [Member] | Other expense [Member] | Net Investment Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	0.7	0.2	0.5	0.7
Amount of (gain) loss reclassified from accumulated OCI into income	$ 0.0	$ 0.0	$ 0.0	$ 0.0