v3.26.3
Borrowings - Narrative (Details)
$ in Thousands, ฿ in Millions
3 Months Ended
Sep. 25, 2026
USD ($)
Sep. 25, 2026
THB (฿)
Aug. 17, 2026
USD ($)
Aug. 17, 2026
THB (฿)
Dec. 27, 2024
USD ($)
Mar. 09, 2023
USD ($)
Sep. 27, 2019
USD ($)
Aug. 20, 2019
USD ($)
Aug. 20, 2019
THB (฿)
Debt Instrument [Line Items]                  
Long term debt outstanding $ 74,739                
Term loan agreement | Loans Payable                  
Debt Instrument [Line Items]                  
Debt instrument, face amount     $ 75,000 ฿ 2,500.0          
Interest rate percentage 2.45% 2.45% 2.45% 2.45%          
Interest expense on debt $ 200                
Minimum service coverage ratio 2.00 2.00              
Maximum debt to equity ratio 1.0 1.0              
Long term debt outstanding $ 74,700 ฿ 2,500.0              
2023 Credit facility agreement | Line of Credit                  
Debt Instrument [Line Items]                  
Line of credit facility borrowing capacity         $ 30,000 $ 55,000      
Long term debt outstanding $ 0                
2023 Credit facility agreement | Line of Credit | Fabrinet Thailand                  
Debt Instrument [Line Items]                  
Debt-to-equity ratio 1.5 1.5              
2023 Credit facility agreement | Line of Credit | Fabrinet                  
Debt Instrument [Line Items]                  
Debt-to-equity ratio 1.0 1.0              
Thailand, Baht | 2019 Credit Facility Agreement | Line of Credit                  
Debt Instrument [Line Items]                  
Line of credit facility borrowing capacity     $ 78,300 ฿ 2,610.0     $ 3,600   ฿ 110.0
United States of America, Dollars | 2019 Credit Facility Agreement | Line of Credit                  
Debt Instrument [Line Items]                  
Line of credit facility borrowing capacity     $ 100,000         $ 160,900