Note 6 - Derivative Financial Instruments - Schedule of Derivative Assets and Liabilities on a Gross Basis (Details) - USD ($) $ in Millions	Aug. 28, 2022	May 29, 2022
Derivative Assets	$ 14.2	$ 27.1
Derivative Liabilities	1.8	18.3
Prepaid Expenses and Other Current Assets [Member] | Commodity Contract [Member]
Derivative Assets	12.2	26.8
Prepaid Expenses and Other Current Assets [Member] | Foreign Exchange Contract [Member]
Derivative Assets	2.0	0.3
Other Accrued Liabilities [Member] | Commodity Contract [Member]
Derivative Liabilities	0.8	16.1
Other Accrued Liabilities [Member] | Foreign Exchange Contract [Member]
Derivative Liabilities	$ 1.0	$ 2.2