Leases - Lease Term and Discount Rate (Details)	Sep. 30, 2022	Sep. 30, 2021
Lessee Disclosure [Abstract]
Weighted average remaining lease term, operating leases	4 years 7 months 6 days	4 years 9 months 18 days
Discount rate, operating leases (as a percent)	4.20%	3.90%
Weighted average remaining lease term, finance leases	7 years 3 months 18 days	8 years 1 month 6 days
Discount rate, finance leases (as a percent)	5.40%	4.70%