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Equity Investments in Affiliates - Schedule of annual amortization expense attributable to current equity method Affiliates for next five years (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2013
Equity Method Investments and Joint Ventures [Abstract]  
2014 $ 20.7
2015 12.4
2016 9.8
2017 9.8
2018 $ 9.8