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Employee Benefit Plans (Tables)
 3 Months Ended
Mar. 31, 2022
Compensation And Retirement Disclosure [Abstract]  
Components of Net Pension Expense The following information details the components of net pension expense for the Company’s defined benefit plans:

 

Three Months Ended March 31,

 

2022

 

 

2021

 

Service cost

 

$

32.5

 

 

$

36.0

 

Interest on projected benefit obligation

 

 

19.1

 

 

 

16.6

 

Expected return on assets

 

 

(48.7

)

 

 

(51.1

)

Amortization of prior service costs

 

 

.1

 

 

 

.2

 

Recognized actuarial loss

 

 

5.6

 

 

 

14.2

 

Net pension expense

 

$

8.6

 

 

$

15.9