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Trade Accounts Receivable (Tables)
 12 Months Ended
Oct. 28, 2018
Receivables [Abstract]  
Summary of activity in allowance accounts
For the years ended October 28, 2018 and October 29, 2017, the activity in the allowance accounts were as follows (in thousands):
 
Balance at
beginning of year
 
Provision / (Release)
 
Deductions
 
Balance at end
of year
Year Ended October 28, 2018:
 
 
 
 
 
 
 
Sales allowance
$
895

 
$
(190
)
 
$
—

 
$
705

Allowance for doubtful accounts
354

 
(8
)
 
(292
)
 
54

Total
$
1,249

 
$
(198
)
 
$
(292
)
 
$
759

 
 
 
 
 
 
 
 
 
Balance at
beginning of year
 
Provision / (Release)
 
Deductions
 
Balance at end
of year
Year Ended October 29, 2017:
 
 
 
 
 
 
 
Sales allowance
$
213

 
$
682

 
$
—

 
$
895

Allowance for doubtful accounts
588

 
357

 
(591
)
 
354

Total
$
801

 
$
1,039

 
$
(591
)
 
$
1,249