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BENEFIT PLANS - Pension Plans for ABO or PBO that Exceed the Fair Value of Plan Assets (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Pension plans with ABO in excess of plan assets |  |
Accumulated benefit obligation | $ 177.5 | $ 182.7
Fair value of assets | 135.8 | 140.3
Pension plans with PBO in excess of plan assets |  |
Projected benefit obligation | 177.7 | 192.2
Fair value of assets | $ 135.8 | $ 140.3

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