Leases - Schedule of Supplemental Cash Flow and Other Information Related to Leases (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2023	Sep. 24, 2022	Sep. 25, 2021
Leases [Abstract]
Operating lease cost	$ 58,000	$ 53,800
Amortization of right-of-use assets	100	100
Interest on lease liabilities	0	0
Total finance lease cost	100	100
Short-term lease cost	12,600	9,300
Variable lease cost	10,600	8,800
Total lease cost	81,300	72,000
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	50,100	45,100
Financing cash flows from finance leases	0	100
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	42,777	70,794	$ 90,799
Finance leases	$ 0	$ 0