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EMPLOYEE BENEFIT PLANS - Estimated future benefit payments to retirees (Details) $ in Thousands | Sep. 30, 2021 USD ($)
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Pension Plan |
Defined Benefit Plan Disclosure [Line Items] |
2022 | $ 10,909
2023 | 10,902
2024 | 10,876
2025 | 10,803
2026 | 10,789
2027 through 2031 | 51,669
Supplemental Employee Retirement Plan |
Defined Benefit Plan Disclosure [Line Items] |
2022 | 1,884
2023 | 1,765
2024 | 1,641
2025 | 1,513
2026 | 1,383
2027 through 2031 | $ 4,965

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- Definition Amount of benefit for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following current fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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