PRE-TAX INCOME AND INCOME TAXES - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	May 26, 2019	May 27, 2018	May 28, 2017
Tax Credit Carryforward [Line Items]
Income taxes paid, net of refunds	$ 133.8	$ 164.1	$ 213.0
Liabilities for gross unrecognized tax benefits	44.1	32.5
Related liability for gross interest and penalties	11.7	7.7
Tax positions for which deductibility is high but timing is uncertain	1.0
Interest and penalties recognized	1.2	1.6	(0.3)
Net amount of unrecognized tax benefits that, if recognized, would favorably impact effective tax rate	37.3	27.8
Estimated decrease in gross unrecognized tax benefits	20.7
Foreign net operating loss carryforwards	30.1
Foreign net operating loss carryforwards (expiring between fiscal 2020 and 2040)	15.0
Foreign net operating loss carryforwards with no expiration dates	15.1
Federal net operating loss carryforwards	146.2
Tax effected state net operating loss carryforwards	49.0
Foreign tax credits (expiring between fiscal 2025 and 2029)	7.6
State tax credits	11.5
Net decrease in valuation allowance	1.5	$ 273.8	$ 420.1
Net change in deferred taxes on cumulative earnings	$ 5.9
Minimum
Tax Credit Carryforward [Line Items]
Statutes of limitations, term	3 years
Maximum
Tax Credit Carryforward [Line Items]
Statutes of limitations, term	5 years
United States | Capital loss carryforwards
Tax Credit Carryforward [Line Items]
Capital loss carryforwards related to the private brands divestiture	$ 2,600.0
State | Capital loss carryforwards
Tax Credit Carryforward [Line Items]
Capital loss carryforwards related to the private brands divestiture	169.0
Discontinued operations
Tax Credit Carryforward [Line Items]
Estimated decrease in gross unrecognized tax benefits	$ 6.7