Note 13 - Pre-tax Income and Income Taxes - Reconciliation of Income Taxes to the Provision for Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	May 28, 2023	May 29, 2022	May 30, 2021
Computed U.S. Federal income taxes	$ 189.4	$ 247.5	$ 313.9
State income taxes, net of U.S. Federal tax impact	28.9	37.2	37.4
Goodwill and intangible impairments	27.5	6.1	13.6
Remeasurement of deferred taxes due to legal entity reorganization	0.0	0.0	35.8
Effective Income Tax Rate Reconciliation, Tax Election for Prior Year Federal Tax Return	0.0	25.0	0.0
Change of valuation allowance on capital loss carryforward	0.0	0.0	(188.5)
Income Tax Reconciliation, Valuation Allowance, Certain Tax Elections	(28.1)	0.0	0.0
Incentive compensation	11.1	2.4	6.1
Other	(10.1)	(27.7)	(24.5)
Income Tax Expense (Benefit)	$ 218.7	$ 290.5	$ 193.8