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COVER - USD ($)
 12 Months Ended
May 25, 2025
Jul. 31, 2025
Nov. 22, 2024
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date May 25, 2025    
Current Fiscal Year End Date --05-25    
Document Transition Report false    
Entity File Number 000-27446    
Entity Registrant Name LIFECORE BIOMEDICAL, INC.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 94-3025618    
Entity Address, Address Line One 3515 Lyman Boulevard    
Entity Address, City or Town Chaska,    
Entity Address, State or Province MN    
Entity Address, Postal Zip Code 55318    
City Area Code (952)    
Local Phone Number 368-4300    
Title of 12(b) Security Common Stock, par value $0.001 per share    
Trading Symbol LFCR    
Security Exchange Name NASDAQ    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction false    
Entity Shell Company false    
Entity Public Float     $ 201,592,285
Entity Common Stock, Shares Outstanding   37,407,919  
Documents Incorporated by Reference
Part III of this Annual Report on Form 10-K incorporates certain information by reference from the registrant’s definitive proxy statement for the 2025 annual meeting of stockholders to be filed no later than 120 days after the end of the registrant’s fiscal year ended May 25, 2025.
    
Entity Central Index Key 0001005286    
Document Fiscal Year Focus 2025    
Document Fiscal Period Focus FY    
Amendment Flag false