INCOME TAXES (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Feb. 24, 2019	Feb. 25, 2018	Feb. 24, 2019	Feb. 25, 2018	May 27, 2018
Income Tax Contingency [Line Items]
Income tax expense (benefit)	$ 67.2	$ (91.4)	$ 147.0	$ 138.1
Effective tax rate	21.70%	(35.50%)	20.90%	16.00%
Gross unrecognized tax benefits for uncertain tax positions	$ 49.4		$ 49.4		$ 32.5
Tax positions for which ultimate deductibility is highly certain but timing of such deductibility is uncertain	1.0		1.0
Related liabilities for gross interest and penalties	11.5		11.5		7.7
Net amount of unrecognized tax benefits that, if recognized, would impact the effective tax rate	42.6		42.6		27.8
Gross unrecognized tax benefits, estimated decrease over the next twelve months (up to)	16.6		16.6
Deferred tax asset	721.9		721.9		721.6
Corresponding valuation allowances	697.7		697.7		721.6
Valuation allowance adjustment			24.2
Income tax expense recognized from previously undistributed earnings of certain foreign subsidiaries			0.5
Discontinued operations
Income Tax Contingency [Line Items]
Net amount of unrecognized tax benefits that, if recognized, would impact the effective tax rate	$ 9.3		$ 9.3		$ 6.7