Effects of Derivative Instruments on OCI and Earnings (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Cash Flow Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in OCI	$ 0.4	$ 1.2
Amount of (gain) loss reclassified from accumulated OCI into income	(0.3)	1.0
Net Investment Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in OCI	0.1	(0.7)
Amount of (gain) loss reclassified from accumulated OCI into income	0.0	0.0
Foreign Currency Hedge Contracts [Member] | Net sales [Member] | Cash Flow Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in OCI	0.5	(0.4)
Amount of (gain) loss reclassified from accumulated OCI into income	(0.2)	0.5
Foreign Currency Hedge Contracts [Member] | Cost of goods and services sold [Member] | Cash Flow Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in OCI	(0.1)	1.6
Amount of (gain) loss reclassified from accumulated OCI into income	(0.1)	0.4
Forward Treasury Locks [Member] | Interest expense [Member] | Cash Flow Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in OCI	0.0	0.0
Amount of (gain) loss reclassified from accumulated OCI into income	0.0	0.1
Foreign Currency - Denominated Debt [Member] | Other expense [Member] | Net Investment Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized in OCI	0.1	(0.7)
Amount of (gain) loss reclassified from accumulated OCI into income	$ 0.0	$ 0.0