EMPLOYEE BENEFIT PLANS (Pre-tax Amounts Recognized in Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Qualified Plan | |||
| Defined Benefit Plan Disclosure [Line Items] | |||
| Prior service costs | $ 0.0 | $ 0.0 | $ 0.0 |
| Net actuarial (gain) loss | (20.7) | 0.4 | 9.5 |
| Amortization of losses and prior service cost | (0.2) | (0.3) | (0.1) |
| Total changes in other comprehensive (income) loss | (20.9) | 0.1 | 9.4 |
| Post-Retirement Medical Plan | |||
| Defined Benefit Plan Disclosure [Line Items] | |||
| Prior service costs | 0.0 | 0.0 | 6.1 |
| Net actuarial (gain) loss | 2.0 | (3.3) | (0.2) |
| Amortization of losses and prior service cost | (0.3) | (0.5) | (0.1) |
| Total changes in other comprehensive (income) loss | $ 1.7 | $ (3.8) | $ 5.8 |
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- Definition Amount, before tax, after reclassification adjustment, of increase (decrease) in accumulated other comprehensive income from gain (loss) of defined benefit plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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, before tax, of cost (credit) of benefit change attributable to participants' prior service from plan amendment or plan initiation of defined benefit plan, that has not been recognized in net periodic benefit cost (credit). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, before tax, after reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, before tax, of reclassification adjustment from accumulated other comprehensive (income) loss for net period benefit cost (credit) of defined benefit plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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