Note 10 - Income Taxes (Details Textual) - USD ($) $ in Millions	3 Months Ended
	Aug. 27, 2023	Aug. 28, 2022	May 28, 2023
Income Tax Expense (Benefit)	$ 98.3	$ 14.4
Effective Income Tax Rate Reconciliation, Percent	23.50%	22.80%
Effective Income Tax Rate Reconciliation, Expected Effective Tax Rate	24.00%
Goodwill, Impairment Loss		$ 141.7
Goodwill, Impairment Loss, Tax Benefit		$ 2.7
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 24.5		$ 23.7
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	6.0		5.6
Unrecognized Tax Benefits	22.0		$ 21.3
Decrease in Unrecognized Tax Benefits is Reasonably Possible	4.0
Deferred Tax Liabilities, Foreign Subsidiaries Earnings	11.2
Income (Loss) from Continuing Operations before Income Taxes, Foreign	$ 223.5