Document And Entity Information
6 Months Ended
Nov. 27, 2011
Dec. 23, 2011
Document and Entity Information [Abstract]    
Entity Registrant Name LANDEC CORP \CA\  
Document Type 10-Q  
Current Fiscal Year End Date --05-27  
Entity Common Stock, Shares Outstanding   25,528,195
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 Nov. 27, 2011  
Document Fiscal Year Focus 2012  
Document Fiscal Period Focus Q2