Long-Term Debt - Net Carrying Amount of Senior Notes (Details) - USD ($) $ in Thousands	Mar. 30, 2025	Sep. 29, 2024
Debt Instrument [Line Items]
Unamortized discount and issuance costs	$ (10,811)	$ (12,366)
Total	1,014,189	812,634
Convertible Debt
Debt Instrument [Line Items]
Principal	575,000	575,000
2028 Senior Notes | Convertible Debt
Debt Instrument [Line Items]
Principal	575,000	575,000
Unamortized discount and issuance costs	(10,028)	(11,434)
Total	$ 564,972	$ 563,566