SEGMENTS - Foreign Currency (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Feb. 26, 2023	Feb. 26, 2023
Foreign Currency
Foreign currency transaction gain (loss), before tax, net of other acquisition-related costs	$ 4.3	$ 30.8

Foreign Currency Transaction Gain (Loss), before Tax, Net of Other Acquisition-related Costs

No definition available.

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Namespace Prefix:	lw_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration