v3.25.2
Cover Page - USD ($)
$ in Billions
 12 Months Ended
Jun. 27, 2025
Aug. 08, 2025
Dec. 27, 2024
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Jun. 27, 2025    
Current Fiscal Year End Date --06-27    
Document Transition Report false    
Entity File Number 001-34775    
Entity Registrant Name FABRINET    
Entity Incorporation, State or Country Code E9    
Entity Tax Identification Number 98-1228572    
Entity Address, Address Line One c/o Intertrust Corporate Services    
Entity Address, Address Line Two One Nexus Way, Camana Bay    
Entity Address, City or Town Grand Cayman    
Entity Address, Country KY    
Entity Address, Postal Zip Code KY1-9005    
City Area Code 66 2    
Local Phone Number 524-9600    
Title of 12(b) Security Ordinary Shares, $0.01 par value    
Trading Symbol FN    
Security Exchange Name NYSE    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction [Flag] false    
Entity Shell Company false    
Entity Public Float     $ 7.9
Entity Common Stock, Shares Outstanding   35,729,581  
Documents Incorporated by Reference
Portions of the registrant’s definitive proxy statement relating to its 2025 annual meeting of shareholders are incorporated by reference into Part III of this Annual Report on Form 10-K where indicated. Such proxy statement will be filed with the U.S. Securities and Exchange Commission within 120 days after the end of the fiscal year to which this report relates.
    
Amendment Flag false    
Document Fiscal Year Focus 2025    
Document Fiscal Period Focus FY    
Entity Central Index Key 0001408710