Financial Instruments and Risk Management (Schedule of Fair Value of All Derivative Contracts) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value	$ 3.4	$ 6.6
Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value	0.3	3.2
Derivative Asset, Fair Value	3.4	99.7
Derivative Liability, Fair Value	0.3	3.2
Interest Rate Swap Agreements [Member] | Other assets and prepaid expenses and other [Member]
Fair Value Hedge Assets		93.1
Interest Rate Swap Agreements [Member] | Other Liabilities [Member]
Fair Value Hedge Liabilities		0
Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value		1.7
Interest Rate Swap Agreements [Member] | Other Assets [Member]
Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value		1.7
Foreign Exchange Contract [Member] | Accounts Payable [Member]
Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value	0.3	1.5
Foreign Exchange Contract [Member] | Prepaid Expenses and Other Current Assets [Member]
Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value	3.4	4.9
Designated as Hedging Instrument [Member]
Derivative Asset, Fair Value		93.1
Derivative Liability, Fair Value		$ 0