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Debt and Other Financing (Maturities of Long-Term Debt) (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2012
Debt Instruments [Abstract]  
Maturities, 2013 $ 389.6
Maturities, 2014 651.6
Maturities, 2015 566.2
Maturities, 2016 5.9
Maturities, 2017 6.2
Maturities, After 2018 1,266.1
Total Maturities $ 2,885.6