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COMPUTATION OF NET INCOME PER SHARE
3 Months Ended
Apr. 30, 2012
COMPUTATION OF NET INCOME PER SHARE [Abstract]  
COMPUTATION OF NET INCOME PER SHARE
2. 
COMPUTATION OF NET INCOME PER SHARE

The following table sets forth the computation of basic and diluted net income per share:

   
Three Months Ended
 
   
April 30,
 
   
2012
  
2011
 
   
(in thousands)
 
Net income
 $1,844  $1,020 
Less: Dividends declared
  (1,078 )  (934 )
Undistributed net income
 $766  $86 
 
        
Net income per share - Class A Common Stock
        
Dividends declared
 $890  $774 
Allocation of undistributed net income
  634   71 
Net income attributable to Class A common stock
 $1,524  $845 
          
Weighted average shares of Class A common stock outstanding-basic
  12,693   12,797 
Weighted average potential shares of Class A common stock
  519   395 
Weighted average shares of Class A common stock and potential common shares outstanding-diluted
  13,212   13,192 
          
Basic net income per Class A common share
 $0.12  $0.07 
Diluted net income per Class A common share
 $0.12  $0.06 
          
Net income per share - Class B Common Stock
        
Dividends declared
 $188  $160 
Allocation of undistributed net income
  132   15 
Net income attributable to Class B common stock
 $320  $175 
          
Weighted average shares of Class B common stock outstanding-basic
  3,168   3,184 
Weighted average potential shares of Class B common stock
  119   99 
Weighted average shares of Class B common stock and potential common shares outstanding-diluted
  3,287   3,283 
          
Basic net income per Class B common share
 $0.10  $0.06 
Diluted net income per Class B common share
 $0.10  $0.05 

Potential common shares consist of the shares issuable upon the release of restricted stock units ("RSUs") and the exercise of stock options and stock appreciation rights ("SARs"). The Company's unvested RSUs are not considered participating securities as they do not have rights to dividends or dividend equivalents prior to release. In addition, the Company's unexercised stock options and SARs are not considered participating securities as they do not have rights to dividends or dividend equivalents prior to exercise. Class A common stock equivalents of approximately 2.1 million for each of  the three months ended April 30, 2012 and 2011, were not included in the diluted calculation because their effects were anti-dilutive. Class B common stock equivalents of approximately 0.4 million and 0.5 million for the three months ended April 30, 2012 and 2011, respectively, were not included in the diluted calculation because their effects were anti-dilutive.