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Earnings per Common Share (Tables)
 12 Months Ended
Dec. 31, 2016
Earnings Per Share Computation

EPS is computed using the following common share information for the following years ended December 31:

 

     2016      2015      2014  
(dollars and shares in millions)                     

EPS Numerator:

         

Net income attributable to common shareholders

    $ 531.4       $ 135.4       $ 294.5   

Less: Income allocated to participating securities

      2.6         1.9         4.8   
  

 

 

     

 

 

     

 

 

  

Net income available to common shareholders

    $ 528.8       $ 133.5       $ 289.7   
  

 

 

     

 

 

     

 

 

  

EPS Denominator:

         

Weighted average common shares outstanding

      74.0         74.1         75.6   

Dilutive common share equivalents from share-based compensation plans

      1.2         1.3         1.5   
  

 

 

     

 

 

     

 

 

  

Weighted average common and common equivalent shares outstanding, assuming dilution

      75.2         75.4         77.1