Effects of Derivative Instruments on OCI and Earnings (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Cash Flow Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in OCI	$ 3.3	$ (0.3)
Amount of (Gain) Loss Reclassified from Accumulated OCI into Income	0.1	0.5
Net Investment Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in OCI	6.7	0
Amount of (Gain) Loss Reclassified from Accumulated OCI into Income	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	1.8	(0.1)
Amount of (Gain) Loss Reclassified from Accumulated OCI into Income	(0.3)	0
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	1.7	(0.1)
Amount of (Gain) Loss Reclassified from Accumulated OCI into Income	0	0
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	(0.2)	(0.1)
Amount of (Gain) Loss Reclassified from Accumulated OCI into Income	0.4	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
Amount of (Gain) Loss Reclassified from Accumulated OCI into Income	0	0.1
Foreign Currency - Denominated Debt [Member] | Other Expense (Income) [Member] | Net Investment Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in OCI	6.7	0
Amount of (Gain) Loss Reclassified from Accumulated OCI into Income	$ 0	$ 0