EARNINGS PER SHARE - Variable Interest Entity - Consolidated - Acquisition - Additional Information (Details) - Lamb Weston BSW, LLC - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	9 Months Ended
	Feb. 24, 2019	Feb. 24, 2019
Pro Forma Information
Net income available to common stockholders		$ (10.0)
Basic and diluted earning per share (in dollars per share)		$ 0.07
Decrease in tax benefits	$ 0.5
Decrease in tax benefits (in dollars per share)	$ 0.01