v3.5.0.2
Document And Entity Information - USD ($)
$ in Thousands
12 Months Ended
May 29, 2016
Jul. 18, 2016
Nov. 29, 2015
Document Information [Line Items]      
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)   27,226,429  
Entity Public Float     $ 332,039
Document Type 10-K    
Document Period End Date May 29, 2016    
Document Fiscal Year Focus 2016    
Document Fiscal Period Focus FY    
Amendment Flag false