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EMPLOYEE BENEFIT PLANS - Schedule of Estimated future benefit payments to retirees (Details) $ in Thousands | Sep. 30, 2025 USD ($)
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Defined Benefits |
Defined Benefit Plan Disclosure [Line Items] |
2026 | $ 10,929
2027 | 10,869
2028 | 10,772
2029 | 10,655
2030 | 10,470
2031-2035 | 48,453
Supplemental Benefits |
Defined Benefit Plan Disclosure [Line Items] |
2026 | 1,813
2027 | 1,637
2028 | 1,461
2029 | 1,287
2030 | 1,118
2031-2035 | $ 3,453

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