PENSION AND OTHER POSTRETIREMENT PLANS - Benefit Payments Expected to be Paid (Details) $ in Thousands |
Sep. 30, 2019
USD ($)
|
|---|---|
| Pension | |
| Defined Benefit Plan Disclosure [Line Items] | |
| 2020 | $ 10,733 |
| 2021 | 11,057 |
| 2022 | 12,360 |
| 2023 | 12,690 |
| 2024 | 14,038 |
| 2025-2028 | 75,514 |
| Total | 136,392 |
| Other Postretirement | |
| Defined Benefit Plan Disclosure [Line Items] | |
| 2020 | 989 |
| 2021 | 1,021 |
| 2022 | 1,051 |
| 2023 | 1,082 |
| 2024 | 1,127 |
| 2025-2028 | 5,832 |
| Total | $ 11,102 |
| X | ||||||||||
- Definition The total amount of the benefits expected to be paid in each of the five succeeding fiscal years, and the next five years thereafter. No definition available.
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Definition Amount of benefits for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following latest fiscal year. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of benefits for defined benefit plan expected to be paid in next fiscal year following latest fiscal year. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of benefits for defined benefit plan expected to be paid in fifth fiscal year following latest fiscal year. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of benefits for defined benefit plan expected to be paid in fourth fiscal year following latest fiscal year. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of benefits for defined benefit plan expected to be paid in third fiscal year following latest fiscal year. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of benefits for defined benefit plan expected to be paid in second fiscal year following latest fiscal year. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|