Leases - Additional Information (Details)	Jun. 30, 2023	Sep. 30, 2022
Leases [Abstract]
Weighted average remaining lease term, operating leases	11 years 2 months 19 days	10 years 9 months 25 days
Weighted average remaining lease term, finance leases	3 years 6 months 14 days	2 years 2 months 8 days
Weighted average discount rate, operating leases (as a percent)	4.21%	3.93%
Weighted average discount rate, finance leases (as a percent)	2.50%	1.29%