Note 10 - Intangible Assets by Reporting Segment (Details) - USD ($) $ in Thousands	Mar. 26, 2016	Sep. 26, 2015
Food Service [Member] | Trade Names [Member]
Gross Carrying Amount	$ 13,072	$ 13,072
Food Service [Member] | Noncompete Agreements [Member]
Gross Carrying Amount	592	592
Accumulated Amortization	551	538
Food Service [Member] | Customer Relationships [Member]
Gross Carrying Amount	40,797	40,797
Accumulated Amortization	35,392	33,584
Food Service [Member] | License and Rights [Member]
Gross Carrying Amount	3,606	3,606
Accumulated Amortization	2,848	2,802
Food Service [Member]
Accumulated Amortization	38,791	36,924
Gross Carrying Amount	58,067	58,067
Retail Supermarket [Member] | Trade Names [Member]
Gross Carrying Amount	7,206	7,206
Retail Supermarket [Member] | Noncompete Agreements [Member]
Gross Carrying Amount	160	160
Accumulated Amortization	150	114
Retail Supermarket [Member] | Customer Relationships [Member]
Gross Carrying Amount	7,979	7,979
Accumulated Amortization	1,621	1,220
Retail Supermarket [Member]
Accumulated Amortization	1,771	1,334
Gross Carrying Amount	15,345	15,345
Frozen Beverages [Member] | Trade Names [Member]
Gross Carrying Amount	9,315	9,315
Frozen Beverages [Member] | Noncompete Agreements [Member]
Gross Carrying Amount	198	198
Accumulated Amortization	198	198
Frozen Beverages [Member] | Customer Relationships [Member]
Gross Carrying Amount	6,678	6,678
Accumulated Amortization	6,393	6,075
Frozen Beverages [Member] | License and Rights [Member]
Gross Carrying Amount	1,601	1,601
Accumulated Amortization	889	854
Frozen Beverages [Member]
Accumulated Amortization	7,480	7,127
Gross Carrying Amount	17,792	17,792
Accumulated Amortization	48,042	45,385
Gross Carrying Amount	$ 91,204	$ 91,204