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EMPLOYEE BENEFIT PLANS (Pre-tax Amounts Recognized in Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Qualified Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Prior service costs | $ 0.0 | $ 0.0 | $ 0.0
Net actuarial loss (gain) | 0.4 | 9.5 | 27.6
Amortization of losses and prior service cost | (0.3) | (0.1) | (0.1)
Total changes in other comprehensive (income) loss | 0.1 | 9.4 | 27.5
Post-Retirement Medical Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Prior service costs | 0.0 | 6.1 | 0.0
Net actuarial loss (gain) | (3.3) | (0.2) | (4.0)
Amortization of losses and prior service cost | (0.5) | (0.1) | (0.4)
Total changes in other comprehensive (income) loss | $ (3.8) | $ 5.8 | $ (4.4)

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