Leases - Summary of Lease Term and Incremental Borrowing Rates for Leases (Details)	Jun. 30, 2023	Sep. 30, 2022
Weighted-average remaining lease term (in months):
Operating leases	38 months 24 days	46 months 15 days
Finance leases	27 months 18 days	35 months 18 days
Weighted-average discount rate:
Operating leases	5.20%	3.70%
Finance leases	4.40%	4.40%