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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

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Three Months Ended March 31, 

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2025

 

2024

Service cost

 

$

0.8

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$

1.0

Interest cost

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5.8

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6.1

Expected return on plan assets

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(6.6)

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(7.2)

Amortization of prior service cost

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0.3

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0.3

Amortization of net actuarial losses

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0.8

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1.0

Net pension expense

 

$

1.1

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$

1.2