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Shareholders' Equity (Tables)
12 Months Ended
Jan. 31, 2017
Share Repurchase Activity

Share repurchase activity under the Company’s share repurchase programs is as follows:

 

     Fiscal Year Ended January 31,  
     2017      2016  

Number of common shares repurchased and subsequently retired

     1,324,700        14,961,710  

Total cost

   $ 45,787      $ 465,304  

Average cost per share, including commissions

   $ 34.56      $ 31.10