Note 10 (Details Textual)	3 Months Ended				9 Months Ended
	Jun. 27, 2020 USD ($)	Mar. 28, 2020 USD ($)	Dec. 28, 2019 USD ($)	Jun. 29, 2019 USD ($)	Jun. 27, 2020 USD ($)	Jun. 29, 2019 USD ($)
Number of Reportable Segments					3
Amortization of Intangible Assets, Total	$ 831,000			$ 836,000	$ 2,507,000	$ 2,521,000
Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year	3,100,000				3,100,000
Finite-Lived Intangible Asset, Expected Amortization, Year Two	2,500,000				2,500,000
Finite-Lived Intangible Assets, Amortization Expense, Year Three	2,300,000				2,300,000
Finite-Lived Intangible Assets, Amortization Expense, Year Four	2,300,000				2,300,000
Finite-Lived Intangible Assets, Amortization Expense, Year Five	$ 2,000,000				$ 2,000,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year)					10 years 8 months 12 days
Minimum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)					2 years
Maximum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)					20 years
ICEE Distributor [Member]
Goodwill, Acquired During Period		$ 3,549,000
BAMA ICEE [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total		$ 6,933,000
Frozen Beverages [Member] | ICEE Distributor [Member]
Indefinite-lived Intangible Assets Acquired			$ 21,769,000
Goodwill, Acquired During Period			$ 16,973,000