XML 23 R13.htm IDEA: XBRL DOCUMENT v3.22.2
Retirement Plans
 6 Months Ended
Jun. 30, 2022
Retirement Benefits [Abstract]  
Retirement Plans

Note 6. Retirement Plans

The components of estimated net pension plan income for the three and six months ended June 30, 2022 and 2021 were as follows:

 

 

 

 

 

 

 

 

 

Three Months Ended June 30,

 

 

Six Months Ended June 30,

 

 

 

2022

 

 

2021

 

 

2022

 

 

2021

 

Interest cost

 

$

1.9

 

 

$

1.5

 

 

$

3.7

 

 

$

3.1

 

Expected return on assets

 

 

(3.0

)

 

 

(3.6

)

 

 

(5.8

)

 

 

(7.1

)

Amortization, net

 

 

0.8

 

 

 

1.0

 

 

 

1.6

 

 

 

1.9

 

Net pension plan income

 

$

(0.3

)

 

$

(1.1

)

 

$

(0.5

)

 

$

(2.1

)