v3.26.1
BENEFIT PLANS (Tables)
 3 Months Ended
Mar. 31, 2026
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 millions20262025
Service cost$0.5 $0.5 
Interest cost7.8 8.3 
Expected return on plan assets(9.0)(7.8)
Amortization of actuarial loss1.2 1.2 
Net periodic pension benefit cost$0.5 $2.2 
Pretax amortization from AOCI$1.2 $1.2 
The following table sets forth the components of net periodic other postretirement benefit cost:
Three Months Ended
March 31
in millions20262025
Service cost$0.5 $0.6 
Interest cost0.4 0.5 
Amortization of prior service cost0.4 0.4 
Amortization of actuarial gain(0.4)(0.3)
Net periodic postretirement benefit cost $0.9 $1.2 
Pretax amortization from AOCI
$0.0 $0.1