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EMPLOYEE BENEFIT PLANS - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Mark-to-market loss (gain) net on pension plans | $ 3.8 | $ 28.5 | $ 9.4 |
Discount rate | 4.52% | 4.74% | 2.69% | 2.47%
Pension Benefits |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Discount rate | 4.52% | 4.74% |  |
Employer contributions to defined benefit plans | $ 7.6 |  |  |
Health Care Benefits |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Discount rate | 4.87% | 5.17% |  |
Employer contributions to defined benefit plans | $ 0.5 |  |  |

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- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (k)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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