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Note 3 - Investments in Associated Companies - Summarized Financial Results (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 30, 2019
Jun. 24, 2018
Jun. 30, 2019
Jun. 24, 2018
Equity in earnings $ 1,451 $ 1,578 $ 5,298 $ 5,569
TNI Partners [Member]        
Operating revenue 10,465 11,013 34,109 36,094
Operating expenses 8,363 9,039 26,291 28,376
Operating income 2,102 1,974 7,818 7,718
Company's 50% share of operating income 1,051 987 3,909 3,860
Less amortization of intangible assets 105 105 313 314
Equity in earnings 946 882 3,596 3,546
Madison Newspapers, Inc. [Member]        
Operating revenue 13,709 14,518 41,627 44,421
Operating expenses 12,132 12,054 36,338 37,002
Operating income 1,230 2,123 4,316 6,311
Equity in earnings 505 696 1,702 2,023
Restructuring costs 67 61 134 270
Depreciation and amortization 280 280 839 838
Net income $ 1,010 $ 1,391 $ 3,405 $ 4,047