INVESTMENTS IN JOINT VENTURES - Consolidated Entity - Pro Forma (Details) - Lamb Weston BSW, LLC $ / shares in Units, $ in Millions	12 Months Ended
May 26, 2019 USD ($) $ / shares
Pro Forma Information
Net income available to common stockholders \| $	$ (9.4)
Basic and diluted earning per share (in dollars per share) \| $ / shares	$ (0.06)

Business Acquisition, Pro Forma Information, Increase (Decrease) in Net Income (Loss) Available to Common Stockholders

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration