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Note 3 - Investments in Associated Companies - Summarized Financial Results (Details) - USD ($)
$ in Thousands
 3 Months Ended
Dec. 26, 2021
Dec. 27, 2020
Dec. 27, 2020
Operating revenue $ 202,282 $ 211,817 $ 211,817
Operating expenses 178,922 192,752  
Operating income 25,114 20,808  
Equity in earnings 1,754 1,743  
Restructuring costs 3,200 3,167  
Depreciation and amortization 9,676 10,441  
Net income 13,199 $ 16,403  
TNI Partners [Member]      
Operating revenue 8,981   9,400
Operating expenses 6,465   7,005
Operating income 2,516   2,395
Company's 50% share of operating income 1,258   1,198
Less amortization of intangible assets 0   0
Equity in earnings 1,258   1,198
Madison Newspapers, Inc. [Member]      
Operating revenue 12,195   11,922
Operating expenses 10,834   10,430
Operating income 1,191   1,276
Equity in earnings 496   545
Restructuring costs 0   106
Depreciation and amortization 170   110
Net income $ 991   $ 1,089