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ALLOWANCE FOR DOUBTFUL ACCOUNTS (Tables)
 9 Months Ended
Jun. 26, 2020
Receivables [Abstract]  
Allowance for Credit Losses on Financing Receivables
A summary follows of activity in the allowance for doubtful accounts during the nine months ended June 26, 2020 and June 28, 2019:
 Nine Months Ended
Allowance for doubtful accountsJune 26,
2020		June 28,
2019
(in thousands) 
Allowance, beginning of period$71  $85  
Increase (decrease) in provision for doubtful accounts94  (30) 
Write-offs—  —  
Allowance, end of period$165  $55