EMPLOYEE BENEFIT PLANS (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Pension Plan
Net Periodic Benefit Cost
Service cost	$ 0.2	$ 0.1	$ 0.5	$ 0.5
Interest cost	1.7	0.9	5.0	2.5
Expected return on assets	(1.8)	(1.7)	(5.4)	(4.7)
Amortization of Prior Service Cost	0.5	1.5	1.6	3.9
Amortization of actuarial loss	0.0	0.0	0.0	0.0
Settlement cost	0.0	0.0	0.0	0.0
Net periodic benefit cost	0.6	0.8	1.7	2.2
Other Benefits
Net Periodic Benefit Cost
Service cost	0.0	0.0	0.0	0.0
Interest cost	0.1	0.0	0.2	0.1
Expected return on assets	0.0	0.0	0.0	0.0
Amortization of Prior Service Cost	0.0	0.1	0.0	0.1
Amortization of actuarial loss	0.0	0.0	0.0	0.0
Settlement cost	0.0	0.0	0.0	0.0
Net periodic benefit cost	$ 0.1	$ 0.1	$ 0.2	$ 0.2