Note 5 - Financing Arrangements (Details Textual) - USD ($) $ in Millions	Feb. 25, 2024	May 28, 2023
Supplier Finance Program, Payment Timing, Period (Year)	120 years
Supplier Finance Program, Obligation	$ 321.3	$ 355.1
Short-Term Debt	$ 166.3	636.3
Lessee, Finance Lease, Term of Contract (Year)	20 years
Lessee, Finance Lease, Discount Rate	5.42%
Property, Plant and Equipment [Member]
Finance Lease, Right-of-Use Asset, after Accumulated Amortization	$ 165.3
Finance Lease, Liability	165.3
Supplier Financing Arrangment [Member]
Short-Term Debt	$ 50.3	$ 62.5

Present value of lessee's discounted obligation for lease payments from finance lease.

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Term of lessee's finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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Amount of obligation for supplier finance program.

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Period when payment is expected to be made to finance provider or intermediary in supplier finance program, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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