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Schedule II - Valuation and Qualifying Accounts (Tables)
 12 Months Ended
Sep. 30, 2017
Notes Tables  
Valuation Allowances and Reserves [Table Text Block]
   
Year Ended
  
   
September 30,
    
October 1,
    
October 3,
  
   
2017
    
2016
    
2015
  
Balance, beginning of year
   $
291
     $
638
     $
888
  
Amounts charged to earnings
    
(57
 )    
(244
 )    
5
  
Write-offs, net of recoveries
    
(33
 )    
(103
 )    
(255
 )
Balance, end of year
   $
201
     $
291
     $
638