Leases - Weighted-average remaining lease terms and discount rates (Details) |
Sep. 30, 2023 |
Sep. 30, 2022 |
|---|---|---|
| Leases | ||
| Weighted-average remaining lease term - operating leases (in years) | 13 years 8 months 12 days | 14 years 2 months 12 days |
| Weighted-average remaining lease term - finance leases (in years) | 2 years 4 months 24 days | 1 year 9 months 18 days |
| Weighted-average discount rate - operating leases | 4.60% | 4.50% |
| Weighted-average discount rate - finance leases | 5.30% | 3.70% |
| X | ||||||||||
- Definition Weighted average discount rate for finance lease calculated at point in time. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Weighted average discount rate for operating lease calculated at point in time. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|