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Benefit Plans and Other Postretirement Benefits (Tables)
3 Months Ended
Mar. 31, 2025
Benefit Plans and Other Postretirement Benefits  
Schedule of components of net pension expense

Three Months Ended March 31, 

    

2025

 

2024

Service cost

 

$

0.8

$

1.0

Interest cost

 

5.8

 

6.1

Expected return on plan assets

 

(6.6)

 

(7.2)

Amortization of prior service cost

 

0.3

 

0.3

Amortization of net actuarial losses

 

0.8

 

1.0

Net pension expense

 

$

1.1

$

1.2