v2.4.0.8
Document And Entity Information (USD $)
In Thousands, except Share data, unless otherwise specified
12 Months Ended
May 31, 2015
Jul. 17, 2015
Nov. 30, 2014
Entity Registrant Name LANDEC CORP \CA\    
Entity Central Index Key 0001005286    
Current Fiscal Year End Date --05-31    
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)   27,009,342  
Entity Public Float     $ 344,754
Document Type 10-K    
Document Period End Date May 31, 2015    
Document Fiscal Year Focus 2015    
Document Fiscal Period Focus FY    
Amendment Flag false