Long-Term Debt - Summary of Long-Term Debt (Details) - USD ($) $ in Thousands	Jun. 29, 2025	Sep. 29, 2024
Debt Instrument [Line Items]
Unamortized discount and issuance costs	$ (12,517)	$ (12,366)
Long-term debt	862,483	812,634
Line of Credit
Debt Instrument [Line Items]
Long-term debt, gross	300,000	250,000
Convertible Debt
Debt Instrument [Line Items]
Long-term debt, gross	$ 575,000	$ 575,000