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VALUATION AND QUALIFYING ACCOUNTS (Tables)
 12 Months Ended
Sep. 29, 2017
Valuation and Qualifying Accounts [Abstract]  
Schedule Of Valuation And Qualifying Accounts
The following summarizes changes to valuation and qualifying accounts for 2017, 2016 and 2015:

 
Balance at
Beginning of Year
 
Additions Charged
to Costs and
Expenses
 
Less Deductions
 
Balance at End of
Year
Year Ended September 29, 2017
 
 
 
 
 
 
 
Allowance for doubtful accounts
$
2,182

 
$
876

 
$
827

 
$
2,231

Reserves for inventory valuation
5,623

 
1,356

 
1,551

 
5,428

Valuation of deferred tax assets
10,215

 
603

 
2,094

 
8,724

Reserves for sales returns
2,772

 
2,346

 
3,188

 
1,930

Year ended September 30, 2016
 

 
 

 
 

 
 

Allowance for doubtful accounts
$
2,329

 
$
299

 
$
446

 
$
2,182

Reserves for inventory valuation
4,879

 
3,650

 
2,906

 
5,623

Valuation of deferred tax assets
9,786

 
1,670

 
1,241

 
10,215

Reserves for sales returns
1,945

 
4,596

 
3,769

 
2,772

Year ended October 2, 2015
 

 
 

 
 

 
 

Allowance for doubtful accounts
$
2,665

 
$
292

 
$
628

 
$
2,329

Reserves for inventory valuation
3,950

 
2,123

 
1,194

 
4,879

Valuation of deferred tax assets
8,734

 
2,602

 
1,550

 
9,786

Reserves for sales returns
1,428

 
3,139

 
2,622

 
1,945