Leased Assets and Liabilities (Weighted-Average) (Details)	Sep. 30, 2019	Sep. 30, 2018
Weighted-average remaining lease term
Operating leases	7 years 6 months	7 years 2 months 12 days
Finance leases	4 years	4 years 1 month 6 days
Weighted-average discount rate
Operating leases	5.90%	4.50%
Finance leases	6.70%	6.20%