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RETIREMENT PLANS AND POSTRETIREMENT BENEFITS - Schedule of Net Periodic (Benefit) Cost (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Retirement Benefits [Abstract]
Interest cost	$ 8.4	$ 7.8	$ 25.2	$ 21.5
Expected return on plan assets	(10.8)	(8.5)	(32.3)	(23.4)
Net periodic benefit	$ (2.4)	$ (0.7)	$ (7.1)	$ (1.9)

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Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan.

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