Note 10 - Intangible Assets by Reporting Segment (Details) - USD ($) $ in Thousands	Jun. 27, 2020	Sep. 28, 2019
Finite-lived intangible assets, accumulated amortization	$ 19,775	$ 17,691
Intangible assets	100,892	72,613
Food Service [Member]
Finite-lived intangible assets, accumulated amortization	13,141	11,846
Intangible assets	32,505	32,856
Food Service [Member] \| Noncompete Agreements [Member]
Finite-lived intangible assets, gross	670	858
Finite-lived intangible assets, accumulated amortization	603	665
Food Service [Member] \| Customer Relationships [Member]
Finite-lived intangible assets, gross	19,737	19,900
Finite-lived intangible assets, accumulated amortization	11,247	9,954
Food Service [Member] \| License and Rights [Member]
Finite-lived intangible assets, gross	1,690	1,690
Finite-lived intangible assets, accumulated amortization	1,291	1,227
Retail Supermarket [Member]
Finite-lived intangible assets, accumulated amortization	5,429	4,810
Intangible assets	21,333	21,405
Retail Supermarket [Member] \| Customer Relationships [Member]
Finite-lived intangible assets, gross	7,907	7,979
Finite-lived intangible assets, accumulated amortization	4,942	4,421
Retail Supermarket [Member] \| Finite-lived Trade Names [Member]
Finite-lived intangible assets, gross	676	676
Finite-lived intangible assets, accumulated amortization	487	389
Frozen Beverages [Member]
Finite-lived intangible assets, accumulated amortization	1,205	1,035
Intangible assets	47,054	18,352
Frozen Beverages [Member] \| Customer Relationships [Member]
Finite-lived intangible assets, gross	1,439	737
Finite-lived intangible assets, accumulated amortization	222	102
Frozen Beverages [Member] \| License and Rights [Member]
Finite-lived intangible assets, gross	1,400	1,400
Finite-lived intangible assets, accumulated amortization	983	933
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	$ 34,900	$ 6,900

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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