XML 64 R42.htm IDEA: XBRL DOCUMENT v3.10.0.1
Schedule II - Valuation and Qualifying Accounts (Tables)
 12 Months Ended
Sep. 29, 2018
Notes Tables  
Summary of Valuation Allowance [Table Text Block]
       
Opening
    
Charged to
    
 
 
 
 
  
Closing
  
Year
  
Description
  
Balance
    
Expense
    
Deductions
  
 
  
Balance
  
                                       
2018
  
Allowance for doubtful accounts
   $
359,000
     $
259,000
     $
218,000
  
(1)
   $
400,000
  
                                       
2017
  
Allowance for doubtful accounts
   $
571,000
     $
122,000
     $
334,000
  
(1)
   $
359,000
  
                                       
2016
  
Allowance for doubtful accounts
   $
304,000
     $
525,000
     $
258,000
  
(1)
   $
571,000