Leases - Schedule of Quantitative Information on the Partnership's Lease Population (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 26, 2022	Mar. 27, 2021	Mar. 26, 2022	Mar. 27, 2021
Lessee Disclosure [Abstract]
Lease expense	$ 10,548	$ 9,358	$ 20,386	$ 18,292
Other information:
Cash payments for operating leases	10,601	9,412	20,675	18,353
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 5,885	$ 9,377	$ 24,789	$ 21,764
Weighted-average remaining lease term	6 years 2 months 12 days	6 years 3 months 18 days	6 years 2 months 12 days	6 years 3 months 18 days
Weighted-average discount rate	4.90%	5.30%	4.90%	5.30%