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Income Taxes (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Effective Income Tax Rate [Abstract]    
Effective income tax rate, continuing operations 5.70% 38.40%
Income tax of equity in earnings of affiliates $ 1.5 $ 5.4
Unrecognized Tax Benefits $ 0.3