Derivative Financial Instruments (Effects of Derivative Instruments Designated as Hedges) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Cash Flow Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in OCI	$ (5.8)	$ (5.2)
Amount of (Gain) Loss Reclassified from Accumulated OCI into Income	2.2	3.5
Net Investment Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in OCI	(1.1)	1.3
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	(0.2)	(0.3)
Amount of (Gain) Loss Reclassified from Accumulated OCI into Income	0	0.3
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	(0.8)	0
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	(1.9)	(4.9)
Amount of (Gain) Loss Reclassified from Accumulated OCI into Income	2.0	3.2
Forward Treasury Lock [Member] | Interest Expense [Member] | Cash Flow Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain (Loss) Recognized in OCI	(2.9)	0
Amount of (Gain) Loss Reclassified from Accumulated OCI into Income	0.2	0
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	(1.1)	1.3
Amount of (Gain) Loss Reclassified from Accumulated OCI into Income	$ 0	$ 0