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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| Defined Benefit Plan Disclosure [Line Items] | ||||
| Other income (expense) | $ (1,238) | $ 317 | $ (2,616) | $ 586 |
| Net currency exchange gains | 134 | (6) | 283 | (276) |
| Net periodic benefit plan expense | 2,002 | 40 | 4,003 | 81 |
| Net gains (losses) on investments | 122 | (16) | (7) | 54 |
| Royalty income | 445 | 556 | 964 | 1,146 |
| Charges associated with establishment of new retiree medical plan | 3,218 | 3,218 | ||
| Other Operating Income (Expense) | ||||
| Defined Benefit Plan Disclosure [Line Items] | ||||
| Net periodic benefit plan expense | $ 1,908 | $ 40 | $ 3,815 | $ 81 |
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- Definition Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to New Plans No definition available.
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- 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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, before tax, of realized and unrealized gain (loss) from foreign currency transaction. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount after accretion (amortization) of discount (premium), and investment expense, of interest income and dividend income on nonoperating securities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of income (expense) related to nonoperating activities, classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Ancillary revenue earned during the period from the consideration paid to the entity for the use of its rights and property by another party. Examples include licensing the use of copyrighted materials and leasing the extraction of natural resources. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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