Note 10 - Intangible Assets by Reporting Segment (Details) - USD ($) $ in Thousands	Dec. 30, 2017	Sep. 30, 2017
Finite-lived intangible assets, accumulated amortization	$ 12,412	$ 11,593
Intangible assets	72,865	72,865
Goodwill	102,511	102,511
Food Service [Member]
Finite-lived intangible assets, accumulated amortization	8,393	7,797
Intangible assets	39,808	39,808
Goodwill	61,665	61,665
Food Service [Member] \| Noncompete Agreements [Member]
Finite-lived intangible assets, gross	980	980
Finite-lived intangible assets, accumulated amortization	302	263
Food Service [Member] \| Customer Relationships [Member]
Finite-lived intangible assets, gross	20,510	20,510
Finite-lived intangible assets, accumulated amortization	7,011	6,476
Food Service [Member] \| License and Rights [Member]
Finite-lived intangible assets, gross	1,690	1,690
Finite-lived intangible assets, accumulated amortization	1,080	1,058
Food Service [Member] \| Trade Names [Member]
Indefinite-lived intangible assets, gross	16,628	16,628
Retail Supermarket [Member]
Finite-lived intangible assets, accumulated amortization	3,152	2,952
Intangible assets	15,185	15,185
Goodwill	3,670	3,670
Retail Supermarket [Member] \| Customer Relationships [Member]
Finite-lived intangible assets, gross	7,979	7,979
Finite-lived intangible assets, accumulated amortization	3,022	2,822
Retail Supermarket [Member] \| Finite-lived Trade Names [Member]
Finite-lived intangible assets, gross	649	649
Finite-lived intangible assets, accumulated amortization	130	130
Retail Supermarket [Member] \| Trade Names [Member]
Indefinite-lived intangible assets, gross	6,557	6,557
Frozen Beverages [Member]
Finite-lived intangible assets, accumulated amortization	867	844
Intangible assets	17,872	17,872
Goodwill	37,176	37,176
Frozen Beverages [Member] \| Customer Relationships [Member]
Finite-lived intangible assets, gross	257	257
Finite-lived intangible assets, accumulated amortization	56	50
Frozen Beverages [Member] \| License and Rights [Member]
Finite-lived intangible assets, gross	1,400	1,400
Finite-lived intangible assets, accumulated amortization	811	794
Frozen Beverages [Member] \| Trade Names [Member]
Indefinite-lived intangible assets, gross	9,315	9,315
Frozen Beverages [Member] \| Distribution Rights, Indefinite-lived [Member]
Indefinite-lived intangible assets, gross	$ 6,900	$ 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/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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