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Pension and Postretirement Benefits
 3 Months Ended
Mar. 31, 2019
Compensation And Retirement Disclosure [Abstract]  
Pension and Postretirement Benefits

Note 17. Pension and Postretirement Benefits

The components of net periodic benefit cost of our pension and postretirement benefit plans for the three months ended March 31, 2019 and 2018 consist of the following:

 

 

 

Domestic Plans

 

 

 

 

 

 

 

 

 

 

 

Pension Plans

 

 

Postretirement Benefit Plans

 

 

Foreign Pension Plans

 

(in thousands)

 

2019

 

 

2018

 

 

2019

 

 

2018

 

 

2019

 

 

2018

 

Service cost

 

$

15

 

 

$

2

 

 

$

20

 

 

$

24

 

 

$

101

 

 

$

142

 

Interest cost

 

 

214

 

 

 

187

 

 

 

124

 

 

 

94

 

 

 

94

 

 

 

92

 

Expected return on plan assets

 

 

(34

)

 

 

(35

)

 

 

—

 

 

 

—

 

 

 

(122

)

 

 

(129

)

Amortization of prior service credit

 

 

—

 

 

 

—

 

 

 

(47

)

 

 

(84

)

 

 

—

 

 

 

—

 

Recognized net actuarial loss

 

 

106

 

 

 

122

 

 

 

77

 

 

 

52

 

 

 

38

 

 

 

41

 

Net periodic benefit cost

 

$

301

 

 

$

276

 

 

$

174

 

 

$

86

 

 

$

111

 

 

$

146

 

 

 

We expect to contribute $1.0 million to our funded pension plans, $1.2 million to our unfunded pension plans, and $1.2 million to our postretirement benefit plans in 2019. During the three months ended March 31, 2019, we contributed $0.2 million to our funded pension plans, $0.2 million to our unfunded pension plans, and $0.3 million to our postretirement benefit plans.