v3.25.2
BENEFIT PLANS - Schedule of Components of Net Periodic Benefit Cost- Other Postretirement Benefits (Details) - Other Postretirement Benefit Plans, Defined Benefit - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]        
Service cost $ 0.6 $ 0.6 $ 1.1 $ 1.2
Interest cost 0.6 0.5 1.1 1.1
Amortization of prior service cost 0.3 0.4 0.7 0.7
Amortization of actuarial gain (0.2) (0.2) (0.4) (0.4)
Net periodic pension benefit cost 1.3 1.3 2.5 2.6
Pretax amortization from AOCI $ 0.1 $ 0.2 $ 0.3 $ 0.3