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Note 13 - Earnings Per Share (Tables)
12 Months Ended
Sep. 28, 2019
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
Year Ended
 
   
September 28,
   
September 29,
   
September 30,
 
(In thousands, except per share amounts)
 
2019
   
2018
   
2017
 
Net earnings
  $
5,598
    $
36,266
    $
22,548
 
                         
Basic weighted average shares outstanding
   
19,243
     
19,079
     
19,011
 
Dilutive effect of stock-based compensation
   
97
     
198
     
206
 
Diluted weighted average shares outstanding
   
19,340
     
19,277
     
19,217
 
                         
Net earnings per share:
                       
Basic
  $
0.29
    $
1.90
    $
1.19
 
Diluted
   
0.29
     
1.88
     
1.17