v3.26.1
Pension and Postretirement Health and Life Benefits (Tables)
 3 Months Ended
Mar. 31, 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 
 March 31,
20262025
Service costs$0.1 $0.1 
Interest costs0.4 0.4 
Expected return on plan assets (gains)(0.5)(0.5)
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 
 March 31,
20262025
Interest costs$1.1 $1.1 
Net periodic benefit costs$1.1 $1.1