DERIVATIVE FINANCIAL INSTRUMENTS - Narratives (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Feb. 23, 2025	Feb. 25, 2024	Dec. 01, 2019	Feb. 23, 2025	Feb. 25, 2024	Nov. 24, 2024	Aug. 25, 2024	May 26, 2024	Nov. 26, 2023	Aug. 27, 2023	May 28, 2023
DERIVATIVE FINANCIAL INSTRUMENTS
Derivatives designated as cash flow hedges, deferred gain	$ 1.2	$ (3.3)		$ (0.8)	$ 4.0
Unamortized amount	8,779.1	$ 9,225.5		8,779.1	$ 9,225.5	$ 8,800.7	$ 8,695.6	$ 8,511.3	$ 9,074.2	$ 8,955.1	$ 8,807.3
Gain in accumulated other comprehensive income
DERIVATIVE FINANCIAL INSTRUMENTS
Unamortized amount	24.6			24.6				29.2
Cash Flow Hedge Pinnacle
DERIVATIVE FINANCIAL INSTRUMENTS
Derivatives designated as cash flow hedges, deferred gain			$ 47.5
Cash Flow Hedge Pinnacle | Gain in accumulated other comprehensive income
DERIVATIVE FINANCIAL INSTRUMENTS
Unamortized amount	26.0			26.0
Commodity contracts | Short
DERIVATIVE FINANCIAL INSTRUMENTS
Derivative notional value								11.0
Commodity contracts | Long
DERIVATIVE FINANCIAL INSTRUMENTS
Derivative notional value	65.4			65.4				88.2
Foreign exchange contracts
DERIVATIVE FINANCIAL INSTRUMENTS
Derivative notional value	$ 83.9			$ 83.9				$ 101.5