Note 7 - Long-term Debt (Details Textual) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Dec. 31, 2022	Jan. 01, 2022	Mar. 31, 2022	Jul. 31, 2021	Mar. 24, 2021	May 28, 2020
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
Term Loan Payable to Farm Credit East ACA [Member]
Debt Instrument, Face Amount						$ 100.0
Debt Instrument, Interest Rate, Stated Percentage						3.3012%
Debt Instrument, Periodic Payment, Principal		$ 1.0
Debt Instrument, Unamortized Discount, Total	$ 0.2
Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity During Nonproduction Period				$ 300.0	$ 400.0
Line of Credit Facility, Maximum Borrowing Capacity During Production Period			$ 400.0