INVESTMENTS IN JOINT VENTURES - Other Investments and Variable Interest Entity - Not Consolidated (Details) - USD ($) $ in Millions		9 Months Ended
Oct. 15, 2019	Feb. 23, 2020
Variable Interest Entity, Not Primary Beneficiary \| Lamb-Weston Meijer v.o.f.
Other Investments and Variable Interest Entity - Not Consolidated
Ownership interest (as a percent)		50.00%
Variable Interest Entity, Not Primary Beneficiary \| Lamb-Weston RDO Frozen
Other Investments and Variable Interest Entity - Not Consolidated
Ownership interest (as a percent)		50.00%
LWAMSA
Other Investments and Variable Interest Entity - Not Consolidated
Ownership interest acquired (as a percent)	50.00%
Consideration transferred	$ 27.3
Cash paid of purchase price		$ 22.6
Cash payable	$ 4.7

Percentage of voting equity interests acquired at the acquisition date in the business combination.

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