PRE-TAX INCOME AND INCOME TAXES - Reconciliation of Income Taxes to the Provision for Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	May 27, 2018	May 28, 2017	May 29, 2016
Income Tax Disclosure [Abstract]
Computed U.S. Federal income taxes	$ 285.3	$ 280.2	$ 61.2
State income taxes, net of U.S. Federal tax impact	18.0	22.4	(6.4)
Remeasurement of U.S. deferred taxes	(241.6)	0.0	0.0
Transition tax on foreign earnings	19.8	0.0	0.0
Tax credits and domestic manufacturing deduction	(20.6)	(19.8)	(16.5)
Federal rate differential on legal reserve	12.6	0.0	0.0
Goodwill and intangible impairments	0.0	104.7	0.0
Stock compensation	(5.7)	(18.8)	0.0
Change of valuation allowance on capital loss carryforward	78.6	(84.1)	0.0
Change in estimate related to tax methods used for certain international sales, federal credits, and state credits	0.0	(8.0)	6.0
Other	28.2	(21.9)	2.1
Total provision for income taxes	$ 174.6	$ 254.7	$ 46.4