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Allowance For Doubtful Accounts (Tables)
 12 Months Ended
Sep. 25, 2016
Receivables [Abstract]  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
Valuation and qualifying account information related to the allowance for doubtful accounts receivable related to continuing operations is as follows:
(Thousands of Dollars)
2016

 
2015

 
2014

 
 
 
 
 
 
Balance, beginning of year
4,194

 
4,526

 
4,501

Additions charged to expense
1,195

 
1,307

 
1,754

Deductions from reserves
(1,062
)
 
(1,639
)
 
(1,729
)
Balance, end of year
4,327

 
4,194

 
4,526