Leases - Schedule of Quantitative Information on the Partnership's Lease Population (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2023	Sep. 24, 2022
Lessee Disclosure [Abstract]
Lease expense	$ 41,733	$ 41,042
Other information:
Cash payments for operating leases	42,062	41,320
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 41,742	$ 38,745
Weighted-average remaining lease term	5 years 7 months 6 days	6 years 1 month 6 days
Weighted-average discount rate	5.90%	5.00%