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Investments in Associated Companies (Tables)
3 Months Ended
Dec. 24, 2017
Equity Method Investee- TNI [Member]  
Schedule of Equity Method Investments [Line Items]  
Schedule of Equity Method Investments [Table Text Block]
Summarized results of TNI are as follows:
 
13 Weeks Ended
 
(Thousands of Dollars)
December 24
2017

December 25
2016

 
 
 
Operating revenue
13,230

13,314

Operating expenses
9,982

9,999

Operating income
3,248

3,315

Company's 50% share of operating income
1,624

1,658

Less amortization of intangible assets
105

105

Equity in earnings of TNI
1,519

1,553

Equity Method Investee- MNI [Member]  
Schedule of Equity Method Investments [Line Items]  
Schedule of Equity Method Investments [Table Text Block]
Summarized results of MNI are as follows:
 
13 Weeks Ended
 
(Thousands of Dollars)
December 24
2017

December 25
2016

 
 
 
Operating revenue
16,065

17,042

Operating expenses, excluding workforce adjustments, depreciation and amortization
12,932

13,379

Workforce adjustments
64

26

Depreciation and amortization
279

349

Operating income
2,790

3,288

Net income
1,728

2,272

Equity in earnings of MNI
864

1,136