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Employee Benefit Plans (Tables)
 9 Months Ended
Sep. 30, 2025
Retirement Benefits [Abstract]  
Components of Net Pension (Income) Expense The following information details the components of net pension (income) expense for the Company’s defined benefit plans:

 

 

Three Months Ended

 

 

Nine Months Ended

 

 

 

September 30

 

 

September 30

 

 

 

2025

 

 

2024

 

 

2025

 

 

2024

 

Service cost

 

$

24.0

 

 

$

25.3

 

 

$

71.4

 

 

$

80.7

 

Interest on projected benefit obligation

 

 

36.4

 

 

 

34.4

 

 

 

108.3

 

 

 

101.4

 

Expected return on assets

 

 

(63.2

)

 

 

(60.8

)

 

 

(188.6

)

 

 

(181.9

)

Amortization of prior service costs

 

 

.3

 

 

 

.3

 

 

 

1.0

 

 

 

1.0

 

Recognized actuarial loss

 

 

.6

 

 

 

2.5

 

 

 

1.4

 

 

 

5.3

 

Net pension (income) expense

 

$

(1.9

)

 

$

1.7

 

 

$

(6.5

)

 

$

6.5