PRE-TAX INCOME AND INCOME TAXES - Reconciliations of Income Taxes to the Provision for Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	May 25, 2025	May 26, 2024	May 28, 2023
Income Tax Disclosure [Abstract]
Computed U.S. Federal income taxes	$ 242.8	$ 128.1	$ 189.4
State income taxes, net of U.S. Federal tax impact	36.7	25.8	28.9
Goodwill and intangible impairments	1.8	107.6	27.5
Federal audit settlements	(225.8)
Change of valuation allowance due to certain tax elections	(27.7)		(28.1)
Incentive compensation	1.0	1.8	11.1
Tax Credits	(27.9)	(9.8)	(7.5)
Tax on unremitted foreign earnings	1.9	10.6	4.7
Other	0.9	(1.6)	(7.3)
Income Tax Expense (Benefit)	$ 3.7	$ 262.5	$ 218.7