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Note 8 - Earnings Per Share (Tables)
9 Months Ended
Jul. 31, 2012
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
Three Months Ended
July 31,
   
Nine Months Ended
July 31,
 
   
2012
   
2011
   
2012
   
2011
 
   
(In thousands, except per share amount)
 
Net income available to common shares (1)
  $ 10,424     $ 9,126     $ 27,808     $ 21,876  
                                 
Basic
                               
Weighted average shares
    56,284       54,446       55,700       54,317  
                                 
Diluted
                               
Weighted average shares, basic
    56,284       54,446       55,700       54,317  
Dilutive effect of options
    745       677       745       692  
Weighted average shares, diluted
    57,029       55,123       56,445       55,009  
                                 
Basic earnings per share
  $ 0.19     $ 0.17     $ 0.50     $ 0.40  
Diluted earnings per share
  $ 0.18     $ 0.17     $ 0.49     $ 0.40  
                                 
Weighted average anti-dilutive shares excluded from diluted EPS
    1,593       3,484       1,981       3,312