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DISCONTINUED OPERATIONS AND OTHER DIVESTITURES - Other Divestitures (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
	Aug. 26, 2018	Aug. 27, 2017	May 27, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Pre-tax gains from sales of businesses	$ 13.3	$ 0.0
Noncurrent assets classified as held for sale	111.7		$ 137.2
Del Monte \| Not discontinued operations, disposed of by sale \| Bonduelle Group \| International
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash proceeds from sales of businesses, net of cash included	39.9
Cash price for disposition	30.3
Pre-tax gains from sales of businesses	13.3
Del Monte \| Held-for-sale, not discontinued operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Noncurrent assets classified as held for sale			11.5
Other long-lived assets \| Held-for-sale, not discontinued operations \| Corporate
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Noncurrent assets classified as held for sale	$ 10.4		10.4
Other long-lived assets \| Held-for-sale, not discontinued operations \| Grocery & Snacks \| Reporting segments
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Noncurrent assets classified as held for sale			$ 14.9