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PENSION AND OTHER POSTRETIREMENT BENEFITS - Narrative (Details) - USD ($) $ in Millions | 6 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jun. 30, 2025 | Dec. 31, 2023 | Dec. 31, 2024
Defined Benefit Plan Disclosure [Line Items] |  |  |
Pension settlement loss |  | $ 92.3 |
Pension and other postretirement liabilities | $ 6.4 |  | $ 6.6
Other Post-Retirement Benefits |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Expected required contributions | 0.4 |  |
Accrued expenses |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Pension and other postretirement liabilities included in "Accrued expenses" | $ 0.6 |  | $ 0.6

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