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Capital Stock and Earnings per Share (Tables)
 12 Months Ended
Dec. 31, 2014
Earnings Per Share [Abstract]  
Reconciliation of Weighted Average Shares for Basic and Diluted Share Computations
The following is a reconciliation of weighted average shares for the basic and diluted share computations (in millions):

 

For the Years Ended December 31,        2014              2013              2012      

Weighted average shares outstanding for basic net earnings per share

      169.0         169.6         174.9   

Effect of dilutive stock options and other equity awards

      2.7         2.2         1.1   

 

     

 

 

     

 

 

  

Weighted average shares outstanding for diluted net earnings per share

      171.7         171.8         176.0