Note 3 - Investments in Associated Companies - Summarized Financial Results (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 29, 2019	Dec. 30, 2018
Equity in earnings	$ 1,569	$ 2,129
TNI Partners [Member]
Operating revenue	10,195	12,164
Operating expenses	8,165	9,095
Operating income	2,030	3,069
Company's 50% share of operating income	1,015	1,535
Less amortization of intangible assets	104	105
Equity in earnings	911	1,430
Madison Newspapers, Inc. [Member]
Operating revenue	13,925	14,826
Operating expenses	12,120	12,663
Operating income	1,660	1,853
Equity in earnings	658	699
Restructuring costs		30
Depreciation and amortization	145	280
Net income	$ 1,316	$ 1,398