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EARNINGS PER SHARE (Tables)
 12 Months Ended
Jan. 28, 2017
EARNINGS PER SHARE [Abstract]  
Earnings per share
The following table sets forth the computation of basic and diluted earnings per share in thousands:

 
 
Fiscal Year Ended
 
 
 
January 28, 2017
  
January 30, 2016
  
January 31, 2015
 
Net income
 
$
$61,075
  
$
$70,528
  
$
$73,584
 
 
            
Weighted average number of common shares outstanding
  
22,240
   
23,947
   
25,369
 
   Dilutive stock options
  
40
   
35
   
66
 
   Dilutive restricted stock units
  
147
   
147
   
185
 
Weighted average number of common shares outstanding and dilutive shares
  
22,427
   
24,129
   
25,620
 
 
            
Basic earnings per share
 
$
2.75
  
$
2.95
  
$
2.90
 
Diluted earnings per share
 
$
2.72
  
$
2.92
  
$
2.87