v3.25.3
BENEFIT PLANS (Tables)
 9 Months Ended
Sep. 30, 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
September 30		Nine Months Ended
September 30
in millions2025202420252024
Service cost$0.5 $0.4 $1.4 $1.8 
Interest cost8.3 8.2 25.0 24.7 
Expected return on plan assets(7.9)(7.0)(23.7)(21.1)
Amortization of prior service cost0.0 0.2 0.0 0.7 
Amortization of actuarial loss1.2 1.4 3.7 3.8 
Net periodic pension benefit cost$2.1 $3.2 $6.4 $9.9 
Pretax amortization from AOCI$1.2 $1.6 $3.7 $4.5 
The following table sets forth the components of net periodic other postretirement benefit cost:
Three Months Ended
September 30		Nine Months Ended
September 30
in millions2025202420252024
Service cost$0.6 $0.4 $1.7 $1.6 
Interest cost0.6 0.6 1.7 1.7 
Amortization of prior service cost0.3 0.3 1.1 1.1 
Amortization of actuarial gain(0.2)(0.1)(0.7)(0.5)
Net periodic postretirement benefit cost $1.3 $1.2 $3.8 $3.9 
Pretax amortization from AOCI
$0.1 $0.2 $0.4 $0.6