Note 11 - Goodwill and Intangible Assets - Intangible Assets by Reporting Segment (Details) - USD ($) $ in Thousands	Dec. 30, 2023	Sep. 30, 2023
Finite-lived intangible assets, accumulated amortization	$ 26,360	$ 24,744
Intangible assets	208,273	208,273
Food Service [Member]
Finite-lived intangible assets, accumulated amortization	16,967	15,587
Intangible assets	140,394	140,394
Retail Supermarket [Member]
Finite-lived intangible assets, accumulated amortization	7,439	7,256
Intangible assets	19,625	19,625
Frozen Beverages [Member]
Finite-lived intangible assets, accumulated amortization	1,954	1,901
Intangible assets	48,254	48,254
Trade Names [Member] \| Food Service [Member]
Indefinite-lived intangible assets, gross	84,194	84,194
Trade Names [Member] \| Retail Supermarket [Member]
Finite-lived intangible assets, gross	11,938	11,938
Finite-lived intangible assets, accumulated amortization	0	0
Trade Names [Member] \| Frozen Beverages [Member]
Indefinite-lived intangible assets, gross	9,315	9,315
Noncompete Agreements [Member] \| Food Service [Member]
Finite-lived intangible assets, gross	0	0
Finite-lived intangible assets, accumulated amortization	0	0
Franchise Rights [Member] \| Food Service [Member]
Finite-lived intangible assets, gross	8,500	8,500
Finite-lived intangible assets, accumulated amortization	1,275	1,063
Customer Relationships [Member] \| Food Service [Member]
Finite-lived intangible assets, gross	22,900	22,900
Finite-lived intangible assets, accumulated amortization	10,653	10,080
Customer Relationships [Member] \| Retail Supermarket [Member]
Finite-lived intangible assets, gross	7,687	7,687
Finite-lived intangible assets, accumulated amortization	7,439	7,256
Customer Relationships [Member] \| Frozen Beverages [Member]
Finite-lived intangible assets, gross	1,439	1,439
Finite-lived intangible assets, accumulated amortization	725	689
Developed Technology Rights [Member] \| Food Service [Member]
Finite-lived intangible assets, gross	23,110	23,110
Finite-lived intangible assets, accumulated amortization	3,452	2,879
Food Service [Member] \| License and Rights [Member]
Finite-lived intangible assets, gross	1,690	1,690
Finite-lived intangible assets, accumulated amortization	1,587	1,565
Finite-lived Trade Names [Member] \| Retail Supermarket [Member]
Finite-lived intangible assets, gross	0	0
Finite-lived intangible assets, accumulated amortization	0	0
Distribution Rights [Member] \| Frozen Beverages [Member]
Finite-lived intangible assets, gross	36,100	36,100
Finite-lived intangible assets, accumulated amortization	0	0
License and Rights [Member] \| Frozen Beverages [Member]
Finite-lived intangible assets, gross	1,400	1,400
Finite-lived intangible assets, accumulated amortization	$ 1,229	$ 1,212

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
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(16))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 350
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
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-Publisher FASB
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 928
-SubTopic 340
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483147/928-340-50-1

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