Note 5 - Derivative Financial Instruments - Schedule of Derivative Assets and Liabilities and Amounts Representing Right to Reclaim or Obligation to Return Cash Collateral (Details) - USD ($) $ in Millions	Feb. 26, 2023	May 29, 2022
Prepaid expenses and other current assets	$ 7.7	$ 7.0
Other accrued liabilities	$ 2.6	$ 2.2