Note 6 - Revolving Credit Facility (Details Textual) - USD ($) $ in Billions	6 Months Ended
	Oct. 02, 2021	Mar. 31, 2022	Jul. 31, 2021	Mar. 24, 2021
Accounts Receivable, Vegetable and Fruit Products Sold, Standard Payment Term (Month)	3 months
Accounts Receivable, Vegetable and Fruit Products Sold, Maximum Payment Term (Month)	7 months
Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity During Nonproduction Period			$ 0.3	$ 0.4
Revolving Credit Facility [Member] | Forecast [Member]
Line of Credit Facility, Maximum Borrowing Capacity During Production Period		$ 0.4