Note 12 - Intangible Assets and Goodwill - Intangible Assets by Reporting Segment (Details) - USD ($) $ in Thousands	Jun. 24, 2023	Sep. 24, 2022
Finite-lived intangible assets, accumulated amortization	$ 23,284	$ 19,758
Intangible assets	209,951	211,490
Food Service [Member]
Finite-lived intangible assets, accumulated amortization	14,374	10,729
Intangible assets	142,072	142,742
Retail Supermarket [Member]
Finite-lived intangible assets, accumulated amortization	7,063	7,342
Intangible assets	19,625	20,494
Frozen Beverages [Member]
Finite-lived intangible assets, accumulated amortization	1,847	1,687
Intangible assets	48,254	48,254
Frozen Beverages [Member] | Distribution Rights, Indefinite-lived [Member]
Indefinite-lived intangible assets, gross	36,100	36,100
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, gross	0	649
Finite-lived intangible assets, accumulated amortization	0	649
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	850	212
Customer Relationships [Member] | Food Service [Member]
Finite-lived intangible assets, gross	22,900	22,900
Finite-lived intangible assets, accumulated amortization	9,673	7,790
Customer Relationships [Member] | Retail Supermarket [Member]
Finite-lived intangible assets, gross	7,687	7,907
Finite-lived intangible assets, accumulated amortization	7,063	6,693
Customer Relationships [Member] | Frozen Beverages [Member]
Finite-lived intangible assets, gross	1,439	1,439
Finite-lived intangible assets, accumulated amortization	653	545
Developed Technology Rights [Member] | Food Service [Member]
Finite-lived intangible assets, gross	23,110	23,110
Finite-lived intangible assets, accumulated amortization	2,307	576
Food Service [Member] | License and Rights [Member]
Finite-lived intangible assets, gross	1,690	1,690
Finite-lived intangible assets, accumulated amortization	1,544	1,481
License and Rights [Member] | Frozen Beverages [Member]
Finite-lived intangible assets, gross	1,400	1,400
Finite-lived intangible assets, accumulated amortization	$ 1,194	$ 1,142