Additional Financial Information - Schedule of Supplemental Cash Flow Information (Details) - USD ($) $ in Millions	3 Months Ended
	Aug. 24, 2025	Aug. 25, 2024	May 25, 2025
Cash Paid for Interest and Income Taxes [Abstract]
Interest, net of amounts capitalized	$ 34.4	$ 36.3
Income taxes, net of refunds	(2.7)	4.6
Noncash Investing and Financing Items [Abstract]
Increase in land, buildings and equipment through accrued purchases	55.9	33.8
Right-of-use assets obtained in exchange for new operating lease liabilities	20.0	7.1
Right-of-use assets obtained in exchange for new finance lease liabilities	55.6	35.8
Net change in right-of-use assets mainly due to reclassification between categories upon modification	89.3	19.9
Restricted cash	$ 14.5	$ 24.4	$ 14.5