Leases - Weighted Averages (Details)	Sep. 30, 2022	Sep. 30, 2021
Leases [Abstract]
Finance leases, weighted average remaining lease term (years)	18 years 8 months 12 days	19 years
Operating leases, weighted average remaining lease term (years)	9 years 8 months 12 days	10 years 2 months 12 days
Finance leases, weighted average discount rate (in percent)	4.00%	5.70%
Operating leases, weighted average discount rate (in percent)	2.90%	2.80%