FAIR VALUE MEASUREMENTS - Schedule of Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Millions	May 31, 2020	May 26, 2019
Assets:
Derivative assets	$ 8.0	$ 5.9
Marketable securities	8.1	15.7
Deferred compensation assets	8.6	10.7
Total assets	24.7	32.3
Liabilities:
Derivative liabilities	0.4	1.4
Deferred compensation liabilities	68.0	70.4
Total liabilities	68.4	71.8
Level 1
Assets:
Derivative assets	2.8	3.0
Marketable securities	8.1	15.7
Deferred compensation assets	8.6	10.7
Total assets	19.5	29.4
Liabilities:
Derivative liabilities	0.0	0.0
Deferred compensation liabilities	68.0	70.4
Total liabilities	68.0	70.4
Level 2
Assets:
Derivative assets	5.2	2.9
Marketable securities	0.0	0.0
Deferred compensation assets	0.0
Total assets	5.2	2.9
Liabilities:
Derivative liabilities	0.4	1.4
Deferred compensation liabilities	0.0	0.0
Total liabilities	0.4	1.4
Level 3
Assets:
Derivative assets	0.0	0.0
Marketable securities	0.0	0.0
Deferred compensation assets	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