DISCONTINUED OPERATIONS AND OTHER DIVESTITURES - Schedule of Assets Classified as Held for Sale (Details) - USD ($) $ in Millions	Feb. 24, 2019	May 27, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Current assets	$ 47.5	$ 67.9
Noncurrent assets	159.1	184.6
Held-for-sale, not discontinued operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Current liabilities	13.9	13.9
Noncurrent liabilities	6.9	4.4
Del Monte | Held-for-sale, not discontinued operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Current assets		6.1
Noncurrent assets		11.5
Goodwill	5.8	5.8
Wesson | Held-for-sale, not discontinued operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Current assets	27.9	37.7
Noncurrent assets	104.2	101.0
Goodwill	74.5	74.5
Current liabilities	0.3	0.0
Gelit | Held-for-sale, not discontinued operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Current assets	19.6	23.5
Noncurrent assets	43.3	43.3
Goodwill	15.1	15.1
Current liabilities	13.6	13.9
Noncurrent liabilities	$ 6.9	$ 4.4