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Note 12 - Goodwill and Intangible Assets - Intangible Assets by Reporting Segment (Details) - USD ($) $ in Thousands	Dec. 24, 2022	Sep. 24, 2022
Finite-lived intangible assets, accumulated amortization	$ 19,925	$ 19,758
Intangible assets, gross	209,952	211,490
Food Service [Member]
Finite-lived intangible assets, accumulated amortization	11,507	10,729
Intangible assets, gross	142,072	142,742
Retail Supermarket [Member]
Finite-lived intangible assets, accumulated amortization	6,678	7,342
Intangible assets, gross	19,626	20,494
Frozen Beverages [Member]
Finite-lived intangible assets, accumulated amortization	1,740	1,687
Intangible assets, gross	48,254	48,254
Trade Names [Member] | Food Service [Member]
Indefinite-lived intangible assets, gross	85,872	85,872
Trade Names [Member] | Retail Supermarket [Member]
Indefinite-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	670
Finite-lived intangible assets, accumulated amortization	0	670
Franchise Rights [Member] | Food Service [Member]
Finite-lived intangible assets, gross	8,500	8,500
Finite-lived intangible assets, accumulated amortization	425	212
Customer Relationships [Member] | Food Service [Member]
Finite-lived intangible assets, gross	22,900	22,900
Finite-lived intangible assets, accumulated amortization	8,418	7,790
Customer Relationships [Member] | Retail Supermarket [Member]
Finite-lived intangible assets, gross	7,688	7,907
Finite-lived intangible assets, accumulated amortization	6,678	6,693
Customer Relationships [Member] | Frozen Beverages [Member]
Finite-lived intangible assets, gross	1,439	1,439
Finite-lived intangible assets, accumulated amortization	581	545
Developed Technology Rights [Member] | Food Service [Member]
Finite-lived intangible assets, gross	23,110	23,110
Finite-lived intangible assets, accumulated amortization	1,162	576
Food Service [Member] | License and Rights [Member]
Finite-lived intangible assets, gross	1,690	1,690
Finite-lived intangible assets, accumulated amortization	1,502	1,481
Finite-lived Trade Names [Member] | Retail Supermarket [Member]
Finite-lived intangible assets, gross	0	649
Finite-lived intangible assets, accumulated amortization	0	649
Distribution Rights, Indefinite-lived [Member] | Frozen Beverages [Member]
Indefinite-lived intangible assets, gross	36,100	36,100
Frozen Beverages [Member] | License and Rights [Member]
Finite-lived intangible assets, gross	1,400	1,400
Finite-lived intangible assets, accumulated amortization	$ 1,159	$ 1,142

X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section S99
-Paragraph 1
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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 928
-SubTopic 340
-Section 50
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004

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-Topic 350
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+ References

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-Name Accounting Standards Codification
-Topic 210
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-Section S99
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