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Net Income per Common Share (Tables)
6 Months Ended
Jul. 31, 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 shares outstanding used for the computation of basic and diluted net income per common share:

 

     Three Months Ended
July 31,
     Six Months Ended
July 31,
 
     2013      2012      2013      2012  

Basic weighted-average common shares outstanding.

     147,038,073         144,817,752         146,670,110         144,764,072   

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

     2,323,059         797,054         2,416,182         828,261   
  

 

 

    

 

 

    

 

 

    

 

 

 

Diluted weighted-average shares outstanding

     149,361,132         145,614,806         149,086,292         145,592,333