Financial Instruments and Derivative Financial Instruments (Fair Value of Derivative Instruments as Recorded in Consolidated Balance Sheets) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Derivatives, Fair Value [Line Items]
Total derivatives designated as hedging instruments, asset derivatives	$ 0	$ 0.4
Total derivatives designated as hedging instruments, liability derivatives	0.5	1.5
Designated as Hedging Instrument | Prepaid expenses and other
Derivatives, Fair Value [Line Items]
Foreign currency exchange contracts, asset derivatives	0	0.4
Foreign currency exchange contracts, liability derivatives	0	0
Designated as Hedging Instrument | Other current liabilities
Derivatives, Fair Value [Line Items]
Interest rate swap agreements, asset derivatives	0	0
Interest rate swap agreements, liability derivatives	0.5	1.1
Designated as Hedging Instrument | Other long-term liabilities
Derivatives, Fair Value [Line Items]
Interest rate swap agreements, asset derivatives	0	0
Interest rate swap agreements, liability derivatives	$ 0	$ 0.4