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Consolidated Statement of Comprehensive Income Parentheticals (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Consolidated Statement of Comprehensive Income Parentheticals [Abstract]    
Unrealized Gain on Derivatives, Tax $ 0.1 $ 0
Defined Benefit Pension and Other Postretirement Benefit Plans, Tax $ 0.2 $ 0.2