v3.26.1
Cover
Apr. 01, 2026
Cover [Abstract]  
Document Type 8-K
Document Period End Date Apr. 01, 2026
Entity Registrant Name Lamb Weston Holdings, Inc.
Entity Incorporation, State or Country Code DE
Entity File Number 1-37830
Entity Tax Identification Number 61-1797411
Entity Address, Address Line One 599 S. Rivershore Lane
Entity Address, City or Town Eagle
Entity Address, State or Province ID
Local Phone Number 938-1047
City Area Code 208
Entity Address, Postal Zip Code 83616
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, $1.00 par value
Trading Symbol LW
Security Exchange Name NYSE
Entity Emerging Growth Company false
Entity Central Index Key 0001679273
Amendment Flag false