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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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The actuarial present value of benefits attributed by the pension benefit formula to services rendered by employees during the period.

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