PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS - Components of Net Periodic Benefit (Credit) Cost (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Pension Benefits | ||||
| Defined Benefit Plan Disclosure [Line Items] | ||||
| Interest cost | $ 8,861 | $ 10,012 | $ 17,724 | $ 20,024 |
| Expected return on plan assets | (9,340) | (9,445) | (18,684) | (18,887) |
| Amortization of prior service cost | 0 | 75 | 0 | 150 |
| Benefit plans, net | (479) | 642 | (960) | 1,287 |
| Service cost | 0 | 100 | 0 | 200 |
| Net periodic benefit (credit) cost | (479) | 742 | (960) | 1,487 |
| Other Benefits | ||||
| Defined Benefit Plan Disclosure [Line Items] | ||||
| Interest cost | 52 | 63 | 104 | 126 |
| Expected return on plan assets | 0 | 0 | 0 | 0 |
| Amortization of prior service cost | 0 | 71 | 0 | 142 |
| Benefit plans, net | 52 | 134 | 104 | 268 |
| Service cost | 5 | 5 | 10 | 10 |
| Net periodic benefit (credit) cost | $ 57 | $ 139 | $ 114 | $ 278 |
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- Definition Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Excluding Service Costs Included In Cost Of Sales No definition available.
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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 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 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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