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BENEFIT PLANS - Narrative (Details) $ in Millions | 9 Months Ended
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Sep. 30, 2025 USD ($) plan yr | Sep. 30, 2024 USD ($)
Defined Benefit Plan Disclosure [Line Items] |  |
Number of funded, noncontributory defined benefit pension plans | 2 |
Number of unfunded, nonqualified pension plans | 3 |
Normal retirement age | yr | 65 |
Number of defined contribution plans | 6 |
Expense recognized related to defined contribution plans | $ | $ 61.3 | $ 67.2

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