Leases - Weighted-Average Remaining Lease Term and Discount Rate Schedule (Details)	Mar. 31, 2023	Sep. 30, 2022
Weighted-average remaining lease term (years):
Finance leases	3 years 3 months 18 days	3 years 7 months 6 days
Operating leases	13 years	13 years 6 months
Weighted-average discount rate:
Finance leases	4.90%	4.70%
Operating leases	5.90%	5.90%