Note 5 - Goodwill and Other Intangible Assets (Details Textual) - USD ($)	12 Months Ended
	Sep. 26, 2021	Sep. 27, 2020	Mar. 16, 2020	Jan. 29, 2020	[1]	Sep. 29, 2019
Finite-Lived Intangible Assets, Amortization Expense, Next Rolling Twelve Months	$ 21,226,000
Finite-Lived Intangible Assets, Amortization Expense, Rolling Year Two	19,793,000
Finite-Lived Intangible Assets, Amortization Expense, Rolling Year Three	17,096,000
Finite-Lived Intangible Assets, Amortization Expense, Rolling Year Four	11,091,000
Finite-Lived Intangible Assets, Amortization Expense, Rolling Year Five	$ 6,992,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year)	13 years 6 months
Goodwill, Ending Balance	$ 330,204,000	$ 328,445,000	$ 79,896,000			$ 250,309,000
Business Acquisition, Goodwill, Expected Tax Deductible Amount	42,442,000
BHMG [Member]
Goodwill, Ending Balance	79,896,000			$ 63,559,000
BHMG [Member] | Advertiser Relationships [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	27,620,000			38,780,000
BHMG [Member] | Subscriber Relationships [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	27,850,000			36,060,000
BHMG [Member] | Commercial Print Relationships [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	19,560,000			$ 17,130,000
BHMG [Member] | Mastheads [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets	$ 20,390,000

[1] As previously reported in the Company's Quarterly Report on Form 10-Q for the period ended March 29, 2020.