DISCONTINUED OPERATIONS AND OTHER DIVESTITURES - Summary of Comparative Financial Results of Discontinued Operations (Details) - USD ($) $ in Millions	3 Months Ended
	Aug. 28, 2016	Aug. 30, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income (loss) from discontinued operations, net of tax	$ 1.5	$ (1,319.8)
Private Brands
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales	0.0	891.8
Gain on sale of businesses	1.5	0.0
Goodwill and long-lived asset impairment charges	0.0	(1,812.3)
Income (loss) from operations of discontinued operations before income taxes and equity method investment earnings	(0.7)	20.4
Income (loss) before income taxes	0.8	(1,791.9)
Income tax benefit	(0.7)	(472.1)
Income (loss) from discontinued operations, net of tax	$ 1.5	$ (1,319.8)