FAIR VALUE MEASUREMENTS - Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Millions	Feb. 23, 2025	May 26, 2024
FAIR VALUE MEASUREMENTS
Derivative assets	$ 6.0	$ 3.0
Deferred compensation assets	6.1	6.3
Available-for-sale debt securities	2.5	2.9
Total assets	14.6	12.2
Derivative liabilities		3.6
Deferred compensation liabilities	71.2	70.4
Total liabilities	71.2	74.0
Level 1
FAIR VALUE MEASUREMENTS
Derivative assets	2.8	2.3
Deferred compensation assets	6.1	6.3
Total assets	8.9	8.6
Deferred compensation liabilities	71.2	70.4
Total liabilities	71.2	70.4
Level 2
FAIR VALUE MEASUREMENTS
Derivative assets	3.2	0.7
Total assets	3.2	0.7
Derivative liabilities		3.6
Total liabilities		3.6
Level 3
FAIR VALUE MEASUREMENTS
Available-for-sale debt securities	2.5	2.9
Total assets	$ 2.5	$ 2.9