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ALLOWANCE FOR DOUBTFUL ACCOUNTS (Tables)
 9 Months Ended
Jun. 30, 2017
Receivables [Abstract]  
Allowance for Credit Losses on Financing Receivables
A summary of activity in the allowance for doubtful accounts during the nine months ended June 30, 2017 and July 1, 2016 follows
 
 
Nine Months Ended
Allowance for doubtful accounts
 
June 30,
2017
 
July 1,
2016
(in thousands)
 
 
 
 
Allowance, beginning of period
 
$
226

 
$
423

(Reversal)/provision for doubtful accounts
 
(169
)
 
253

Write-offs/recoveries
 
15

 
(298
)
Allowance, end of period
 
$
72

 
$
378