PRE-TAX INCOME AND INCOME TAXES (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	May. 31, 2015	May. 25, 2014	May. 26, 2013
Tax Credit Carryforward [Line Items]
Income taxes paid, net of refunds	$ 301.3	$ 253.6	$ 249.0
Net deferred tax Assets, included in prepaid expenses and other current assets	129.9	107.7
Net deferred tax liabilities, included in other noncurrent liabilities	1,500.0	1,370.0
Gross unrecognized tax benefits	73.7	84.9
Unrecognized liabilities for gross interest and penalties	26.5	29.6
Tax positions for uncertainty about timing of deductibility	8.0	8.2
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	3.1	1.3	1.2
Unrecognized tax benefits that would favorably impact effective tax rate	43.2	50.8
Estimated decrease in gross unrecognized tax benefits, maximum	8.0
Foreign net operating loss carryforwards	60.9
Foreign net operating loss carryforwards (expiring between 2015 to 2035)	37.0
Foreign net operating loss carryforwards with no expiration dates	23.9
Operating Loss Carryforwards Federal (expiring between 2015 and 2024)	17.7
Tax effected state net operating loss carryforwards included in net deferred tax liabilities	42.6
State tax credits	36.3
Change in valuation allowance	1.8	$ 1.5	$ (1.1)
Undistributed earnings of foreign subsidiaries	$ 660.0
Minimum
Tax Credit Carryforward [Line Items]
Statutes of limitations in other major jurisdictions		3 years
Maximum
Tax Credit Carryforward [Line Items]
Statutes of limitations in other major jurisdictions		5 years