FAIR VALUE MEASUREMENTS - Schedule of Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Millions	Nov. 25, 2018	May 27, 2018
Assets:
Derivative assets	$ 3.5	$ 4.4
Equity securities	5.7	4.8
Deferred compensation assets	10.5
Total assets	19.7	9.2
Liabilities:
Derivative liabilities	1.6	0.1
Deferred compensation liabilities	68.2	51.6
Total liabilities	69.8	51.7
Level 1
Assets:
Derivative assets	1.2	1.7
Equity securities	5.7	4.8
Deferred compensation assets	10.5
Total assets	17.4	6.5
Liabilities:
Derivative liabilities	0.0	0.0
Deferred compensation liabilities	68.2	51.6
Total liabilities	68.2	51.6
Level 2
Assets:
Derivative assets	2.3	2.7
Equity securities	0.0	0.0
Deferred compensation assets	0.0
Total assets	2.3	2.7
Liabilities:
Derivative liabilities	1.6	0.1
Deferred compensation liabilities	0.0	0.0
Total liabilities	1.6	0.1
Level 3
Assets:
Derivative assets	0.0	0.0
Equity 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