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Investments in Associated Companies (Tables)
6 Months Ended
Mar. 25, 2018
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
 
26 Weeks Ended
 
(Thousands of Dollars)
March 25
2018

March 26
2017

March 25
2018

March 26
2017

 
 
 
 
 
Operating revenue
11,851

12,507

25,081

25,821

Operating expenses
9,354

9,770

19,338

19,770

Operating income
2,497

2,737

5,743

6,051

Company's 50% share of operating income
1,248

1,368

2,872

3,026

Less amortization of intangible assets
104

104

209

209

Equity in earnings of TNI
1,144

1,264

2,663

2,817

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
 
26 Weeks Ended
 
(Thousands of Dollars)
March 25
2018

March 26
2017

March 25
2018

March 26
2017

 
 
 
 
 
Operating revenue
13,838

14,382

29,903

31,424

Operating expenses, excluding workforce adjustments, depreciation and amortization
12,016

12,548

24,948

25,928

Workforce adjustments
146

129

210

155

Depreciation and amortization
280

348

558

696

Operating income
1,396

1,357

4,187

4,645

Net income
928

929

2,656

3,200

Equity in earnings of MNI
464

465

1,328

1,600