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Retirement Plans
3 Months Ended
Mar. 31, 2020
Retirement Benefits [Abstract]  
Retirement Plans
NOTE 6 – Retirement Plans
 
Pension Plans
 
Net pension expense for our domestic and foreign plans included in other income (expense) in the Condensed Consolidated Statement of Earnings is as follows:
 
Three Months Ended

March 31,

March 31,
 
2020
 
2019
Net pension expense
$
664

 
$
250


The components of net pension expense for our domestic and foreign plans include the following: 
 
Domestic Pension Plans
 
Foreign Pension Plans

Three Months Ended
 
Three Months Ended
 
March 31,

March 31,

March 31,

March 31,
 
2020
 
2019
 
2020
 
2019
Service cost
$

 
$

 
$
7

 
$
9

Interest cost
1,443

 
1,931

 
7

 
7

Expected return on plan assets(1)
(2,454
)
 
(3,047
)
 
(4
)
 
(4
)
Amortization of loss
1,622

 
1,312

 
43

 
42

Total expense, net
$
611

 
$
196

 
$
53

 
$
54

 
(1) Expected return on plan assets is net of expected investment expenses and certain administrative expenses.


In February 2020, the CTS Board of Directors authorized management to explore termination of our U.S. based pension plans at management's discretion, subject to certain conditions. Management has not yet made a final decision on whether to pursue a plan termination and the potential timing thereof.
    
Other Post-retirement Benefit Plan
 
Net post-retirement expense for our other post-retirement plan includes the following components:
 
Three Months Ended
 
March 31,
 
March 31,
 
2020
 
2019
Service cost
$

 
$

Interest cost
30

 
42

Amortization of gain
(21
)
 
(41
)
Total expense, net
$
9

 
$
1