Derivative Financial Instruments (Effects of Derivative Instruments Designated as Hedges) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Cash Flow Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in OCI	$ 2.6	$ (3.6)
Amount of (Gain) Loss Reclassified from Accumulated OCI into Income	1.2	2.6
Net Investment Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in OCI	0.8	(2.4)
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	0.4	(1.7)
Amount of (Gain) Loss Reclassified from Accumulated OCI into Income	0.6	1.1
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	2.2	(2.0)
Amount of (Gain) Loss Reclassified from Accumulated OCI into Income	0.3	0.8
Interest Rate Swap Contracts [Member] | Interest Expense [Member] | Cash Flow Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in OCI	0.0	0.1
Amount of (Gain) Loss Reclassified from Accumulated OCI into Income	0.0	0.5
Forward Treasury Lock [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	0.3	0.2
Foreign Currency - Denominated Debt [Member] | Foreign Exchange (Gains) Losses and Other [Member] | Net Investment Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in OCI	0.8	(2.4)
Amount of (Gain) Loss Reclassified from Accumulated OCI into Income	$ 0.0	$ 0.0