Note 10 - Intangible Assets by Reporting Segment (Details) - USD ($) $ in Thousands	Dec. 26, 2020	Sep. 26, 2020
Finite-lived intangible assets, accumulated amortization	$ 14,408	$ 20,470
Intangible assets	95,355	102,092
Food Service [Member]
Finite-lived intangible assets, accumulated amortization	7,204	13,552
Intangible assets	25,768	32,505
Food Service [Member] \| Noncompete Agreements [Member]
Finite-lived intangible assets, gross	670	670
Finite-lived intangible assets, accumulated amortization	658	645
Food Service [Member] \| Customer Relationships [Member]
Finite-lived intangible assets, gross	13,000	19,737
Finite-lived intangible assets, accumulated amortization	5,213	11,595
Food Service [Member] \| License and Rights [Member]
Finite-lived intangible assets, gross	1,690	1,690
Finite-lived intangible assets, accumulated amortization	1,333	1,312
Retail Supermarket [Member]
Finite-lived intangible assets, accumulated amortization	5,892	5,659
Intangible assets	21,333	21,333
Retail Supermarket [Member] \| Customer Relationships [Member]
Finite-lived intangible assets, gross	7,907	7,907
Finite-lived intangible assets, accumulated amortization	5,338	5,140
Retail Supermarket [Member] \| Finite-lived Trade Names [Member]
Finite-lived intangible assets, gross	676	676
Finite-lived intangible assets, accumulated amortization	554	519
Frozen Beverages [Member]
Finite-lived intangible assets, accumulated amortization	1,312	1,259
Intangible assets	48,254	48,254
Frozen Beverages [Member] \| Customer Relationships [Member]
Finite-lived intangible assets, gross	1,439	1,439
Finite-lived intangible assets, accumulated amortization	293	257
Frozen Beverages [Member] \| License and Rights [Member]
Finite-lived intangible assets, gross	1,400	1,400
Finite-lived intangible assets, accumulated amortization	1,019	1,002
Trade Names [Member] \| Food Service [Member]
Indefinite-lived intangible assets, gross	10,408	10,408
Trade Names [Member] \| Retail Supermarket [Member]
Indefinite-lived intangible assets, gross	12,750	12,750
Trade Names [Member] \| Frozen Beverages [Member]
Indefinite-lived intangible assets, gross	9,315	9,315
Distribution Rights, Indefinite-lived [Member] \| Frozen Beverages [Member]
Indefinite-lived intangible assets, gross	$ 36,100	$ 36,100

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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-Section 50
-Paragraph 2
-Subparagraph (a)(1)
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 928
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