EMPLOYEE BENEFIT PLANS (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Pension Plan
Net Periodic Benefit Cost
Service cost	$ 0.1	$ 0.1
Interest cost	1.5	1.5
Expected return on assets	(1.9)	(1.8)
Amortization of Prior Service Cost	0.0	0.0
Amortization of actuarial loss	0.6	0.6
Settlement cost	0.0	0.0
Net periodic benefit cost	0.3	0.4
Other Benefits
Net Periodic Benefit Cost
Service cost	0.0	0.0
Interest cost	0.1	0.1
Expected return on assets	0.0	0.0
Amortization of Prior Service Cost	0.0	0.0
Amortization of actuarial loss	0.0	0.0
Settlement cost	0.0	0.0
Net periodic benefit cost	$ 0.1	$ 0.1