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Financial Instruments - Narrative (Details) - USD ($)
3 Months Ended
Dec. 28, 2024
Sep. 28, 2024
Debt Securities, Available-for-Sale [Line Items]    
Realized gain (loss) $ 0  
Accrued interest 0  
Accrued interest writeoff $ 0  
Debt Securities, Available-For-Sale, Excluding Accrued Interest, Current [Member]    
Debt Securities, Available-for-Sale [Line Items]    
Debt securities, available-for-sale, noncurrent   $ 0