v3.26.1
Pension and Other Post-Retirement Benefits (Tables)
6 Months Ended
Jun. 30, 2026
Retirement Benefits [Abstract]  
Components of pension and other post retirement benefit costs
The following table shows the components of net periodic cost for the three months ended June 30, 2026 and 2025 (in millions):




2026
Pension
Benefits
2025
Pension
Benefits
2026
Retiree
Health and Life
2025
Retiree
Health and Life
Service cost
$1.8 $1.7 $0.1 $0.1 
Interest cost
3.9 4.3 0.1 0.1 
Expected return on plan assets
(5.2)(5.4)— — 
Amortization of (1):
Unrecognized prior service credit
— — — — 
Unrecognized net actuarial loss (gain)
0.6 0.2 (0.1)— 
Net periodic cost
$1.1 $0.8 $0.1 $0.2