BENEFIT PLANS - Schedule of Components of Net Periodic Benefit Cost- Other Postretirement Benefits (Details) - Other Postretirement Benefit Plans, Defined Benefit - USD ($) $ in Millions |
3 Months Ended | |
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Mar. 31, 2026 |
Mar. 31, 2025 |
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| Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] | ||
| Service cost | $ 0.5 | $ 0.6 |
| Interest cost | 0.4 | 0.5 |
| Amortization of prior service cost | 0.4 | 0.4 |
| Amortization of actuarial gain | (0.4) | (0.3) |
| Net periodic pension benefit cost | 0.9 | 1.2 |
| Pretax amortization from AOCI | $ 0.0 | $ 0.1 |
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- Definition Amount of gain (loss) 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 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 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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- References No definition available.
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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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- 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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- Details
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