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BENEFIT PLANS - Schedule of Components of Net Periodic Benefit Cost - Pension Benefits) (Details) - Pension Plans, Defined Benefit - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Service cost	$ 0.4	$ 0.6	$ 1.8	$ 1.9
Interest cost	8.2	8.5	24.7	25.4
Expected return on plan assets	(7.0)	(6.9)	(21.1)	(20.7)
Amortization of prior service cost	0.2	0.4	0.7	1.1
Amortization of actuarial loss	1.4	1.4	3.8	4.2
Net periodic pension benefit cost	3.2	4.0	9.9	11.9
Pretax amortization from AOCI	$ 1.6	$ 1.8	$ 4.5	$ 5.3

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- Definition

Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan.

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