Note 11 - Goodwill and Intangible Assets - Intangible Assets by Reporting Segment (Details) - USD ($) $ in Thousands	Jun. 29, 2024	Sep. 30, 2023
Trade names	$ 29,987	$ 24,744
Intangible assets	214,190	208,273
Food Service [Member]
Trade names	20,226	15,587
Intangible assets	146,298	140,394
Retail Supermarket [Member]
Trade names	7,700	7,256
Intangible assets	19,638	19,625
Frozen Beverages [Member]
Trade names	2,061	1,901
Intangible assets	48,254	48,254
Trade Names [Member] | Food Service [Member]
Indefinite-lived intangible assets, gross	85,424	84,194
Trade names	4,024	0
Trade names	503	0
Trade Names [Member] | Retail Supermarket [Member]
Trade names	11,938	11,938
Trade names	0	0
Trade Names [Member] | Frozen Beverages [Member]
Indefinite-lived intangible assets, gross	9,315	9,315
Franchise Rights [Member] | Food Service [Member]
Trade names	8,500	8,500
Trade names	1,700	1,063
Customer Relationships [Member] | Food Service [Member]
Trade names	23,550	22,900
Trade names	11,797	10,080
Customer Relationships [Member] | Retail Supermarket [Member]
Trade names	7,700	7,687
Trade names	7,700	7,256
Customer Relationships [Member] | Frozen Beverages [Member]
Trade names	1,439	1,439
Trade names	797	689
Developed Technology Rights [Member] | Food Service [Member]
Trade names	23,110	23,110
Trade names	4,597	2,879
Food Service [Member] | License and Rights [Member]
Trade names	1,690	1,690
Trade names	1,629	1,565
Distribution Rights [Member] | Frozen Beverages [Member]
Trade names	36,100	36,100
Trade names	0	0
License and Rights [Member] | Frozen Beverages [Member]
Trade names	1,400	1,400
Trade names	$ 1,264	$ 1,212