Basis of Presentation and Accounting Policies (Details) (USD $) In Millions, unless otherwise specified			9 Months Ended	0 Months Ended	3 Months Ended
	Sep. 30, 2013	Dec. 31, 2012	Oct. 14, 2013 Credit Agreement [Member]	Oct. 15, 2013 Subsequent Event [Member] Credit Agreement [Member]	Sep. 30, 2013 Minimum [Member]	Sep. 30, 2013 Maximum [Member]	Sep. 30, 2013 Correction of Error [Member] Other Assets [Member]	Sep. 30, 2013 Correction of Error [Member] Accumulated Other Comprehensive Income (Loss) [Member]
Foreign currency translation	$ 239.7	$ 186.8					$ 37.7	$ 37.7
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount rate utilized in goodwill impairment test (in hundredths)					11.70%	16.50%
Subsequent Event [Line Items]
Maximum borrowing capacity			$ 800.0	$ 600.0
Term of credit agreement			5 years
Maturity date			Oct. 05, 2016	Oct. 15, 2018