PROPERTY, PLANT AND EQUIPMENT - Deposits on Equipment Not yet Owned (Details) - USD ($) $ in Millions	Feb. 26, 2023	May 29, 2022
PROPERTY, PLANT AND EQUIPMENT
Deposits made on equipment that is not yet owned	$ 139.0	$ 57.8

Other Assets, Noncurrent, Property Plant and Equipment, Construction in Progress, Deposits on Equipment Not yet Owned

No definition available.

Name:	lw_OtherAssetsNoncurrentPropertyPlantAndEquipmentConstructionInProgressDepositsOnEquipmentNotYetOwned
Namespace Prefix:	lw_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant