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EMPLOYEE BENEFIT PLANS - AOCI (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Postemployment Benefits [Abstract] |  |  |
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax | $ (22.5) | $ (40.6) | $ (58.8)
Actuarial (Gain) Loss Arising During Period, before Tax | $ 19.6 | $ 14.5 |
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Immediate Recognition of Actuarial Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Other Nonoperating Income (Expense) | Other Nonoperating Income (Expense) | Other Nonoperating Income (Expense)
Settlement | $ (2.8) | $ 0.1 |
Foreign currency translation Gain Loss | (1.0) | 2.6 |
Prior Service Cost (Credit), before Tax | (0.2) | (0.2) |
Actuarial (Gain) Loss, before Tax | (22.3) | (40.5) |
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax | 2.8 | 10.2 |
Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax | $ (19.7) | $ (30.4) |

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