DIVESTITURES AND ASSETS HELD FOR SALE - Schedule of Assets and Classified as Held for Sale (Details) - USD ($) $ in Millions	Feb. 23, 2020	May 26, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Current assets	$ 4.7	$ 36.7
Noncurrent assets	3.1	262.4
Held-for-sale, not discontinued operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Current assets	4.7	9.9
Noncurrent assets	$ 3.1	$ 43.9

Amount classified as assets attributable to disposal group held for sale or disposed of, expected to be disposed of after one year or the normal operating cycle, if longer.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant