DISCONTINUED OPERATIONS AND OTHER DIVESTITURES - Private Brands Operations (Narrative) (Details) - Discontinued operations, disposed of by sale - Private Brands - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Feb. 26, 2017	Feb. 28, 2016	Feb. 26, 2017	Feb. 28, 2016	Feb. 01, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash price for disposition					$ 2,600.0
Pre-tax charge to write-down goodwill and long-lived assets	$ 0.0	$ 22.5	$ 0.0	$ 1,921.1
After-tax charge to write-down goodwill and long-lived assets		$ 22.1		$ 1,440.0