v3.26.1
Pension and Postretirement Health and Life Benefits (Tables)
 6 Months Ended
Jun. 30, 2026
Retirement Benefits, Description [Abstract]  
Schedule of Net Benefit Costs
The components of net periodic benefit costs (credits) for the defined benefit pension plans were as follows (in millions):
Three Months Ended 
 June 30,		Six Months Ended 
 June 30,
2026202520262025
Service costs$0.1 $0.1 $0.2 $0.2 
Interest costs0.4 0.4 0.8 0.8 
Amortization of prior service costs (credits), net(0.1)(0.1)(0.1)(0.1)
Expected return on plan assets (gains)(0.4)(0.4)(0.9)(0.9)
Net periodic benefit costs (credits)
$— $— $— $— 


The components of net periodic benefit costs for the postretirement health and life benefit plan were as follows (in millions):
Three Months Ended 
 June 30,		Six Months Ended 
 June 30,
2026202520262025
Interest costs$1.1 $1.1 $2.2 $2.2 
Amortization of prior service costs (credits), net(0.1)—(0.1)—
Net periodic benefit costs$1.0 $1.1 $2.1 $2.2