Leases - Schedule of Quantitative Information on the Partnership's Lease Population (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 30, 2024	Mar. 25, 2023	Mar. 30, 2024	Mar. 25, 2023
Lessee Disclosure [Abstract]
Lease expense	$ 10,970	$ 10,552	$ 21,723	$ 20,612
Other information:
Cash payments for operating leases	11,031	10,905	21,835	20,969
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 16,871	$ 16,050	$ 20,904	$ 21,278
Weighted-average remaining lease term	5 years 7 months 6 days	5 years 9 months 18 days	5 years 7 months 6 days	5 years 9 months 18 days
Weighted-average discount rate	6.10%	5.60%	6.10%	5.60%