Document And Entity Information
3 Months Ended
Aug. 25, 2013
Sep. 20, 2013
Document and Entity Information [Abstract]    
Entity Registrant Name LANDEC CORP \CA\  
Document Type 10-Q  
Current Fiscal Year End Date --05-25  
Entity Common Stock, Shares Outstanding   26,488,209
Amendment Flag false  
Entity Central Index Key 0001005286  
Entity Current Reporting Status Yes  
Entity Voluntary Filers No  
Entity Filer Category Accelerated Filer  
Entity Well-known Seasoned Issuer No  
Document Period End Date Aug. 25, 2013  
Document Fiscal Year Focus 2014  
Document Fiscal Period Focus Q1