REVENUE FROM CONTRACTS WITH CUSTOMERS - Consolidated Statements of Cash Flows (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Feb. 24, 2019	Feb. 25, 2018	Feb. 24, 2019	Feb. 25, 2018
Cash flows from operating activities
Net income	$ 141.4	$ 159.6	$ 376.8	$ 330.9
Deferred income taxes			38.5	(16.0)
Receivables			(43.3)	(51.4)
Inventories			(104.7)	(105.4)
Income taxes payable/receivable, net			14.1	$ 38.0
Calculated under Revenue Guidance in Effect before Topic 606 | Accounting Standards Update 2014-09
Cash flows from operating activities
Net income			371.7
Deferred income taxes			39.2
Receivables			(22.2)
Inventories			(119.1)
Income taxes payable/receivable, net			11.8
Difference between Revenue Guidance in Effect before and after Topic 606 | Accounting Standards Update 2014-09
Cash flows from operating activities
Net income			5.1
Deferred income taxes			(0.7)
Receivables			(21.1)
Inventories			14.4
Income taxes payable/receivable, net			$ 2.3