Note F - Goodwill and Intangible Assets (Details Textual)	12 Months Ended
	Sep. 29, 2018 USD ($)	Sep. 30, 2017 USD ($)	Sep. 24, 2016 USD ($)
Number of Reportable Segments	3
Impairment of Intangible Assets (Excluding Goodwill), Total	$ 0	$ 0	$ 0
Intangible Assets Acquired	0
Amortization of Intangible Assets, Total	3,510,000	3,840,000	5,078,000
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	3,300,000
Finite-Lived Intangible Assets, Amortization Expense, Year Two	3,000,000
Finite-Lived Intangible Assets, Amortization Expense, Year Three	2,400,000
Finite-Lived Intangible Assets, Amortization Expense, Year Five	$ 2,300,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	10 years 292 days
Goodwill, Impairment Loss	$ 0	0	0
Goodwill, Acquired During Period	0		0
Finite-Lived Intangible Assets, Amortization Expense, Year Four	$ 2,300,000
HEARTBAR [Member] | Food Service [Member]
Intangible Assets Acquired			$ 1,078,000
ICEE Distributor [Member] | Frozen Beverages [Member]
Intangible Assets Acquired		6,957,000
Goodwill, Acquired During Period		1,236,000
Hill & Valley Inc. [Member] | Food Service [Member]
Intangible Assets Acquired		15,760,000
Goodwill, Acquired During Period		14,175,000
Labriola Baking Company [Member] | Food Service [Member]
Intangible Assets Acquired		576,000
Goodwill, Acquired During Period		$ 658,000
Minimum [Member]
Finite-Lived Intangible Asset, Useful Life	2 years
Maximum [Member]
Finite-Lived Intangible Asset, Useful Life	20 years