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Note 7 - Earnings Per Share (Tables)
 12 Months Ended
Mar. 03, 2019
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
Fiscal Year
  
(Amounts in thousands, except per share amounts)
  
2019
    
2018
    
2017
  
                         
Net earnings (loss) - continuing operations
  
$
6,306
    
$
18,472
    
$
(1,094
)
Net earnings - discontinued operations
  
 
107,239
    
 
2,123
    
 
10,377
  
Net earnings
  
$
113,545
    
$
20,595
    
$
9,283
  
                         
Weighted average common shares outstanding for basic EPS
    
20,288
      
20,237
      
20,235
  
Net effect of dilutive options
    
97
      
30
      
4
  
Weighted average shares outstanding for diluted EPS
  
 
20,385
    
 
20,267
    
 
20,239
  
 
  
 
 
 
  
 
 
 
  
 
 
 
Basic earnings (loss) per share - continuing operations
   $
0.31
     $
0.91
     $
(0.05
 )
Basic earnings per share - discontinued operations
    
5.29
      
0.11
      
0.51
  
Basic earnings per share
  
$
5.60
    
$
1.02
    
$
0.46
  
                         
Diluted earnings (loss) per share - continuing operations
   $
0.31
     $
0.91
     $
(0.05
 )
Diluted earnings per share - discontinued operations
    
5.26
      
0.11
      
0.51
  
Diluted earnings per share
  
$
5.57
    
$
1.02
    
$
0.46