v3.19.2
Document and Entity Information - USD ($)
$ in Billions
12 Months Ended
Jun. 28, 2019
Aug. 12, 2019
Dec. 28, 2018
Document and Entity Information [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Jun. 28, 2019    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY    
Entity Registrant Name Fabrinet    
Entity Central Index Key 0001408710    
Current Fiscal Year End Date --06-28    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Large Accelerated Filer    
Entity Public Float     $ 1.9
Trading Symbol FN    
Entity Common Stock, Shares Outstanding   36,858,545  
Entity Shell Company false    
Entity Emerging Growth Company false    
Entity Small Business false    
Entity Interactive Data Current Yes    
Entity Address, State or Province KY    
Security Exchange Name NYSE    
Title of 12(b) Security Ordinary Shares