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Note D - Inventories (Tables)
12 Months Ended
Sep. 30, 2017
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   
September 30,
   
September 24,
 
   
2017
   
2016
 
   
(in thousands)
 
                 
Finished goods
  $
45,394
    $
38,285
 
Raw materials
   
22,682
     
18,223
 
Packaging materials
   
8,833
     
6,799
 
Equipment parts and other
   
26,359
     
25,377
 
Total Inventories
  $
103,268
    $
88,684