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PENSION PLANS (Details 4) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Components of Net Periodic Benefit (Income) Cost [Abstract] |  |  |
Service cost | $ 5.7 | $ 8.4 | $ 11.4
Interest cost | 105.4 | 61.4 | 51.3
Expected return on plans’ assets | (131.4) | (136.7) | (142.3)
Amortization of prior service cost | (0.4) | (0.7) | (0.6)
Recognized actuarial loss | 0.0 | 34.6 | 52.7
Net periodic benefit income | (20.7) | (33.0) | (27.5)
Included in Pretax Other Comprehensive Income (Loss) |  |  |
Liability adjustment | 16.4 | (59.9) | (245.9)
Amortization of prior service costs and actuarial losses | $ 0.4 | $ (33.9) | $ (52.1)

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