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Note 7 - Earnings Per Share (Tables)
 12 Months Ended
Feb. 25, 2018
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
Fiscal Year
  
(Amounts in thousands, except per share amounts)
  
2018
    
2017
    
2016
  
                         
Net earnings
  
$
20,595
   
$
9,283
   
$
18,029
 
                         
Weighted average common shares outstanding for basic EPS
    
20,237
      
20,235
      
20,347
  
Net effect of dilutive options
    
30
      
4
      
5
  
Weighted average shares outstanding for diluted EPS
  
 
20,267
   
 
20,239
   
 
20,352
 
                         
Basic earnings per share
  
$
1.02
   
$
0.46
   
$
0.89
 
                         
Diluted earnings per share
  
$
1.02
   
$
0.46
   
$
0.89