EMPLOYEE BENEFIT PLANS - Schedule of Defined Benefit Pension Income Included in Other Income (Expense ) (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2026 |
Mar. 31, 2025 |
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| Retirement Benefits [Abstract] | ||||
| Service cost | $ 94 | $ 0 | $ 188 | $ 0 |
| Interest cost | 525 | 645 | 1,050 | 1,291 |
| Expected return on plan assets | (587) | (890) | (1,175) | (1,780) |
| Amortization: | ||||
| Recognized actuarial loss | 361 | 285 | 722 | 570 |
| Prior service cost | 1,609 | 0 | 3,218 | 0 |
| Net periodic benefit plan expense | $ 2,002 | $ 40 | $ 4,003 | $ 81 |
| X | ||||||||||
- References No definition available.
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- References No definition available.
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- Definition Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of prior service cost (credit) recognized in net periodic benefit cost (credit) of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of cost recognized for passage of time related to defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of net periodic benefit cost (credit) for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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