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Employee Benefit Plans
 6 Months Ended
Jun. 30, 2019
Pension and Other Postretirement Benefits Cost (Reversal of Cost) [Abstract]  
Employee Benefit Plans Employee Benefit Plans
The following table details the components of pension benefit costs (credits):
 
     Three Months Ended June 30,
 
Six Months Ended June 30,
 
2019
 
2018
 
2019
 
2018
 
(In thousands)
Interest cost(1)
$
2,259

 
$
2,270

 
$
4,517

 
$
4,541

Expected return on plan assets(1)
(2,724
)
 
(3,080
)
 
(5,447
)
 
(6,161
)
Pension settlement(1)
(429
)
 
(1,371
)
 
(429
)
 
(1,371
)
Net benefit credit
$
(894
)
 
$
(2,181
)
 
$
(1,359
)
 
$
(2,991
)

 
The following table details the components of other postretirement benefit costs:
 
     Three Months Ended June 30,
 
Six Months Ended June 30,
 
2019
 
2018
 
2019
 
2018
 
(In thousands)
Service cost
$
120

 
$
139

 
$
240

 
$
279

Interest cost(1)
877

 
919

 
1,753

 
1,837

Net benefit cost
$
997

 
$
1,058

 
$
1,993

 
$
2,116



(1) In accordance with the adoption of ASU 2017-07, “Compensation-Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost,” these costs are recorded within Nonoperating expenses in the Condensed Consolidated Income Statements on the line item “Non-service related pension and postretirement benefit costs.”