DISCONTINUED OPERATIONS AND OTHER DIVESTITURES - ConAgra Mills Operations (Narrative) (Details) - ConAgra Mills - Discontinued operations $ in Millions	May 28, 2017 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Adjustment to multi-employer pension withdrawal liability, pre-tax	$ 2.0
Adjustment to multi-employer pension withdrawal liability, after-tax	$ 1.3

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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