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BENEFIT PLANS (Tables)
3 Months Ended
Mar. 31, 2025
Retirement Benefits [Abstract]  
Schedule of Components of Net Periodic Benefit Cost
The following table sets forth the components of net periodic pension benefit cost:
Three Months Ended
March 31
in millions20252024
Service cost$0.5 $0.7 
Interest cost8.3 8.2 
Expected return on plan assets(7.8)(7.1)
Amortization of prior service cost0.0 0.3 
Amortization of actuarial loss1.2 1.2 
Net periodic pension benefit cost$2.2 $3.3 
Pretax amortization from AOCI$1.2 $1.5 
The following table sets forth the components of net periodic other postretirement benefit cost:
Three Months Ended
March 31
in millions20252024
Service cost$0.6 $0.6 
Interest cost0.5 0.5 
Amortization of prior service cost0.4 0.4 
Amortization of actuarial gain(0.3)(0.2)
Net periodic postretirement benefit cost $1.2 $1.3 
Pretax amortization from AOCI
$0.1 $0.2