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Note 10 - Earnings Per Share (Tables)
6 Months Ended
Mar. 31, 2018
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
Three Months Ended
   
Six Months Ended
 
   
March 31,
   
April 1,
   
March 31,
   
April 1,
 
(In thousands, except per share amounts)
 
2018
   
2017
   
2018
   
2017
 
Net earnings
  $
5,879
    $
7,420
    $
13,990
    $
11,880
 
                                 
Basic weighted average shares outstanding
   
19,052
     
19,004
     
19,047
     
18,992
 
Dilutive effect of stock-based compensation
   
206
     
220
     
194
     
225
 
Diluted weighted average shares outstanding
   
19,258
     
19,224
     
19,241
     
19,217
 
                                 
Net earnings per share:
                               
Basic
  $
0.31
    $
0.39
    $
0.73
    $
0.63
 
Diluted
  $
0.31
    $
0.39
    $
0.73
    $
0.62