XML 23 R13.htm IDEA: XBRL DOCUMENT v3.22.1
Retirement Plans
3 Months Ended
Mar. 31, 2022
Retirement Benefits [Abstract]  
Retirement Plans

Note 6. Retirement Plans

The components of estimated net pension plan income for the three months ended March 31, 2022 and 2021 were as follows:

 

 

Three Months Ended March 31,

 

 

 

2022

 

 

2021

 

Interest cost

 

$

1.8

 

 

$

1.6

 

Expected return on assets

 

 

(2.8

)

 

 

(3.5

)

Amortization, net

 

 

0.8

 

 

 

0.9

 

Net pension plan income

 

$

(0.2

)

 

$

(1.0

)