FAIR VALUE MEASUREMENTS - Schedule of Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Millions	Aug. 30, 2020	May 31, 2020
Assets:
Derivative assets	$ 2.6	$ 8.0
Marketable securities	6.1	8.1
Deferred compensation assets	8.7	8.6
Total assets	17.4	24.7
Liabilities:
Derivative liabilities	2.4	0.4
Deferred compensation liabilities	77.2	68.0
Total liabilities	79.6	68.4
Level 1
Assets:
Derivative assets	1.4	2.8
Marketable securities	6.1	8.1
Deferred compensation assets	8.7	8.6
Total assets	16.2	19.5
Liabilities:
Derivative liabilities	0.0	0.0
Deferred compensation liabilities	77.2	68.0
Total liabilities	77.2	68.0
Level 2
Assets:
Derivative assets	1.2	5.2
Marketable securities	0.0	0.0
Deferred compensation assets	0.0	0.0
Total assets	1.2	5.2
Liabilities:
Derivative liabilities	2.4	0.4
Deferred compensation liabilities	0.0	0.0
Total liabilities	2.4	0.4
Level 3
Assets:
Derivative assets	0.0	0.0
Marketable securities	0.0	0.0
Deferred compensation assets	0.0	0.0
Total assets	0.0	0.0
Liabilities:
Derivative liabilities	0.0	0.0
Deferred compensation liabilities	0.0	0.0
Total liabilities	$ 0.0	$ 0.0