Note 1 - Significant Accounting Policies - Intangible Assets Amortization Period (Details)	12 Months Ended
	Sep. 27, 2020
Minimum [Member] | Customer Lists [Member]
Intangible Assets, useful life (Year)	10 years
Minimum [Member] | Newspaper Subscriber Lists [Member]
Intangible Assets, useful life (Year)	10 years
Maximum [Member] | Customer Lists [Member]
Intangible Assets, useful life (Year)	23 years
Maximum [Member] | Newspaper Subscriber Lists [Member]
Intangible Assets, useful life (Year)	33 years