Leases - Summary of Lease Term and Incremental Borrowing Rates for Leases (Details)	Mar. 31, 2024	Sep. 30, 2023
Weighted-average remaining lease term (in months):
Operating leases	38 months 27 days	37 months 6 days
Finance leases	19 months	24 months 15 days
Weighted-average discount rate:
Operating leases	5.60%	5.30%
Finance leases	4.40%	4.40%