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Schedule II - Valuation and Qualifying Accounts (Tables)
12 Months Ended
Sep. 25, 2021
Notes Tables  
Summary of Valuation Allowance [Table Text Block]
   

Opening

  

Charged to

      

Closing

 

Year

Description

 

Balance

  

Expense

  

Deductions

  

Balance

 
                  

2021

Allowance for doubtful accounts

 $1,388,000  $338,000  $321,000 (1) $1,405,000 
                  

2020

Allowance for doubtful accounts

 $572,000  $1,105,000  $289,000 (1) $1,388,000 
                  

2019

Allowance for doubtful accounts

 $400,000  $389,000  $217,000 (1) $572,000