XML 13 R1.htm IDEA: XBRL DOCUMENT v3.3.1.900
Document And Entity Information - shares
 9 Months Ended
Feb. 28, 2016
Mar. 22, 2016
Entity Registrant Name LANDEC CORP \CA\  
Entity Central Index Key 0001005286  
Trading Symbol lndc  
Current Fiscal Year End Date --05-29  
Entity Filer Category Accelerated Filer  
Entity Current Reporting Status Yes  
Entity Voluntary Filers No  
Entity Well-known Seasoned Issuer No  
Entity Common Stock, Shares Outstanding (in shares)   27,073,243
Document Type 10-Q  
Document Period End Date Feb. 28, 2016  
Document Fiscal Year Focus 2016  
Document Fiscal Period Focus Q3  
Amendment Flag false