FAIR VALUE MEASUREMENTS - Schedule of Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Millions	Nov. 24, 2019	May 26, 2019
Assets:
Derivative assets	$ 2.1	$ 5.9
Marketable securities	15.4	15.7
Deferred compensation assets	10.8	10.7
Total assets	28.3	32.3
Liabilities:
Derivative liabilities	1.3	1.4
Deferred compensation liabilities	77.3	70.4
Total liabilities	78.6	71.8
Level 1
Assets:
Derivative assets	1.6	3.0
Marketable securities	15.4	15.7
Deferred compensation assets	10.8	10.7
Total assets	27.8	29.4
Liabilities:
Derivative liabilities	0.0	0.0
Deferred compensation liabilities	77.3	70.4
Total liabilities	77.3	70.4
Level 2
Assets:
Derivative assets	0.5	2.9
Marketable securities	0.0	0.0
Deferred compensation assets	0.0	0.0
Total assets	0.5	2.9
Liabilities:
Derivative liabilities	1.3	1.4
Deferred compensation liabilities	0.0	0.0
Total liabilities	1.3	1.4
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