INCOME TAXES (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Nov. 25, 2018	Nov. 26, 2017	Nov. 25, 2018	Nov. 26, 2017	May 27, 2018
Income Tax Contingency [Line Items]
Reduction to deemed repatriation liability	$ 4.6
Additional benefit from revaluation of deferred tax assets and liabilities	0.6
Income tax expense	$ 22.4	$ 109.5	$ 79.8	$ 229.5
Effective tax rate	14.30%	32.80%	20.30%	37.80%
Gross unrecognized tax benefits for uncertain tax positions	$ 47.9		$ 47.9		$ 32.5
Related liabilities for gross interest and penalties	10.5		10.5		7.7
Net amount of unrecognized tax benefits that, if recognized, would impact the effective tax rate	42.4		42.4		27.8
Net amount of unrecognized tax benefits that, if recognized, would impact the effective tax rate, discontinued operations	9.3		9.3		6.7
Gross unrecognized tax benefits, estimated decrease over the next twelve months (up to)	19.4		19.4
Deferred tax asset	721.9		721.9		721.6
Corresponding valuation allowances	697.5		$ 697.5		$ 721.6
Valuation allowance adjustment	24.3
Income tax expense recognized from previously undistributed earnings of certain foreign subsidiaries				$ 1.0
Discontinued Operations
Income Tax Contingency [Line Items]
Valuation allowance adjustment	$ 0.3