FAIR VALUE MEASUREMENTS - Schedule of Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Millions	Aug. 26, 2018	May 27, 2018
Assets:
Derivative assets	$ 4.4	$ 4.4
Equity securities	5.1	4.8
Total assets	9.5	9.2
Liabilities:
Derivative liabilities	58.6	0.1
Deferred compensation liabilities	56.4	51.6
Total liabilities	115.0	51.7
Level 1
Assets:
Derivative assets	2.6	1.7
Equity securities	5.1	4.8
Total assets	7.7	6.5
Liabilities:
Derivative liabilities	0.0	0.0
Deferred compensation liabilities	56.4	51.6
Total liabilities	56.4	51.6
Level 2
Assets:
Derivative assets	1.8	2.7
Equity securities	0.0	0.0
Total assets	1.8	2.7
Liabilities:
Derivative liabilities	58.6	0.1
Deferred compensation liabilities	0.0	0.0
Total liabilities	58.6	0.1
Level 3
Assets:
Derivative assets	0.0	0.0
Equity securities	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