PRE-TAX INCOME AND INCOME TAXES - Income taxes paid, net of refunds (Details) - USD ($) $ in Millions	12 Months Ended
May 31, 2026	May 25, 2025	May 26, 2024
PRE-TAX INCOME AND INCOME TAXES
US federal	$ 112.2	$ 150.3	$ 263.7
US state and local	36.8	31.2	46.8
Foreign	24.4	46.3	32.8
Income Taxes Paid, Net, Total	173.4	227.8	343.3
Canada
PRE-TAX INCOME AND INCOME TAXES
Foreign	4.1	23.1
Mexico
PRE-TAX INCOME AND INCOME TAXES
Foreign	20.0	22.5	21.4
Other
PRE-TAX INCOME AND INCOME TAXES
Foreign	$ 0.3	$ 0.7	$ 11.4

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Amount, after refund, of cash paid to foreign, federal, state, and local jurisdictions as income tax.

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