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The portion of the valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from net operating loss carryforwards for which it is more likely than not that a tax benefit will not be realized.

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Income Taxes (Operating Loss carryforward) (Details) - USD ($) $ in Millions	May 25, 2025	May 26, 2024
Operating Loss Carryforwards [Line Items]
Valuation allowance	$ 253.7	$ 255.5
Operating loss carryforwards valuation allowance	265.2
Pillsbury acquisition losses [Member]
Operating Loss Carryforwards [Line Items]
Valuation allowance	106.4
State and foreign loss carryforwards [Member]
Operating Loss Carryforwards [Line Items]
Valuation allowance	59.0
Capital Loss Carryforward [Member]
Operating Loss Carryforwards [Line Items]
Valuation allowance	20.9
Other [Member]
Operating Loss Carryforwards [Line Items]
Valuation allowance	67.4
Foreign [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards valuation allowance	256.0
Foreign [Member] \| Brazil
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards valuation allowance	218.6
Foreign [Member] \| Do not expire [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards valuation allowance	239.2
Foreign [Member] \| Expire in fiscal 2025 and 2026 [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards valuation allowance	2.9
Foreign [Member] \| Expire in fiscal 2027 and beyond [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards valuation allowance	13.9
State [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards valuation allowance	6.9
Federal [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards valuation allowance	$ 2.3