Fair Value Measurements - Schedule of Financial Instruments Measured at Fair Value on Recurring Basis (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Millions	Feb. 25, 2024	May 28, 2023
Fair Value Assets and Liabilities Measured On Recurring Basis [Line Items]
Total	$ (45.0)	$ (43.7)
Commodities futures, swaps & options
Fair Value Assets and Liabilities Measured On Recurring Basis [Line Items]
Derivatives	5.4	(5.6)
Equity forwards
Fair Value Assets and Liabilities Measured On Recurring Basis [Line Items]
Derivatives	(1.7)	7.3
Interest rate swaps - fair value hedge | Designated as Hedging Instruments | Fair Value Hedging
Fair Value Assets and Liabilities Measured On Recurring Basis [Line Items]
Derivatives	(48.7)	(45.4)
Quoted prices in active market for identical assets (liabilities) (Level 1)
Fair Value Assets and Liabilities Measured On Recurring Basis [Line Items]
Total	0.0	0.0
Quoted prices in active market for identical assets (liabilities) (Level 1) | Commodities futures, swaps & options
Fair Value Assets and Liabilities Measured On Recurring Basis [Line Items]
Derivatives	0.0	0.0
Quoted prices in active market for identical assets (liabilities) (Level 1) | Equity forwards
Fair Value Assets and Liabilities Measured On Recurring Basis [Line Items]
Derivatives	0.0	0.0
Quoted prices in active market for identical assets (liabilities) (Level 1) | Interest rate swaps - fair value hedge | Designated as Hedging Instruments | Fair Value Hedging
Fair Value Assets and Liabilities Measured On Recurring Basis [Line Items]
Derivatives	0.0	0.0
Significant other observable inputs (Level 2)
Fair Value Assets and Liabilities Measured On Recurring Basis [Line Items]
Total	(45.0)	(43.7)
Significant other observable inputs (Level 2) | Commodities futures, swaps & options
Fair Value Assets and Liabilities Measured On Recurring Basis [Line Items]
Derivatives	5.4	(5.6)
Significant other observable inputs (Level 2) | Equity forwards
Fair Value Assets and Liabilities Measured On Recurring Basis [Line Items]
Derivatives	(1.7)	7.3
Significant other observable inputs (Level 2) | Interest rate swaps - fair value hedge | Designated as Hedging Instruments | Fair Value Hedging
Fair Value Assets and Liabilities Measured On Recurring Basis [Line Items]
Derivatives	(48.7)	(45.4)
Significant unobservable inputs (Level 3)
Fair Value Assets and Liabilities Measured On Recurring Basis [Line Items]
Total	0.0	0.0
Significant unobservable inputs (Level 3) | Commodities futures, swaps & options
Fair Value Assets and Liabilities Measured On Recurring Basis [Line Items]
Derivatives	0.0	0.0
Significant unobservable inputs (Level 3) | Equity forwards
Fair Value Assets and Liabilities Measured On Recurring Basis [Line Items]
Derivatives	0.0	0.0
Significant unobservable inputs (Level 3) | Interest rate swaps - fair value hedge | Designated as Hedging Instruments | Fair Value Hedging
Fair Value Assets and Liabilities Measured On Recurring Basis [Line Items]
Derivatives	$ 0.0	$ 0.0