EMPLOYEE BENEFIT PLANS (Pre-tax Amounts in AOCI Not Yet Recognized as Components of Net Periodic Costs) (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Prior service costs	$ (0.3)	$ (0.4)
Net actuarial (loss) gain	(24.6)	(24.4)
Total	(24.9)	(24.8)
Post-Retirement Medical Plan
Defined Benefit Plan Disclosure [Line Items]
Prior service costs	(7.6)	(8.7)
Net actuarial (loss) gain	13.5	10.9
Total	$ 5.9	$ 2.2

Amount, before tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit).

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Amount, before tax, of accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.

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Amount, before tax, of accumulated other comprehensive (income) loss for 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).

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