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Net Income per Common Share (Tables)
3 Months Ended
Apr. 30, 2013
Reconciliation of Weighted Average Shares Outstanding Used For Computation of Basic and Diluted Net Income Per Common Share

The following is a reconciliation of the weighted-average common shares outstanding used for the computation of basic and diluted net income per common share:

 

     Three Months Ended April 30,  
     2013      2012  

Basic weighted-average common shares outstanding

     146,289,751         144,709,199   

Effect of dilutive options, stock appreciation rights, performance stock units and restricted stock units

     2,509,305         859,468   
  

 

 

    

 

 

 

Diluted weighted-average common shares outstanding

     148,799,056         145,568,667