v3.25.2
Pension and Postretirement Benefits
 6 Months Ended
Jun. 30, 2025
Retirement Benefits [Abstract]  
Pension and Postretirement Benefits Pension and Postretirement Benefits
The components of net periodic benefit (income) expense costs recognized for the three and six months ended June 30, 2025 and 2024 were as follows:

Pension BenefitsPostretirement Benefits
Three Months Ended June 30,Six Months Ended June 30,Three Months Ended June 30,Six Months Ended June 30,
 20252024202520242025202420252024
(In millions)
Service costs$0.9 $1.1 $1.9 $2.3 $— $— $— $— 
Interest costs0.8 0.8 1.7 1.7 — — 0.1 0.1 
Expected return on plan assets(2.8)(2.6)(5.6)(5.3)— — (0.1)(0.1)
Recognized net actuarial loss0.2 0.4 0.3 0.8 — — — 0.1 
Net periodic benefit (income) expense$(0.9)$(0.3)$(1.7)$(0.5)$— $— $— $0.1