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Pensions and Other Benefit Programs
 6 Months Ended
Jun. 30, 2020
Retirement Benefits [Abstract]  
Pensions and Other Benefit Programs Pensions and Other Benefit Programs
The components of net periodic benefit cost (income) were as follows:
 
Defined Benefit Pension Plans
 
Nonpension Postretirement Benefit Plans
 
United States
 
Foreign
 
 
 
Three Months Ended
 
Three Months Ended
 
Three Months Ended
 
June 30,
 
June 30,
 
June 30,
 
2020
 
2019
 
2020
 
2019
 
2020
 
2019
Service cost
$
27

 
$
21

 
$
399

 
$
388

 
$
217

 
$
228

Interest cost
13,179

 
15,708

 
3,407

 
4,308

 
1,242

 
1,637

Expected return on plan assets
(21,303
)
 
(23,184
)
 
(7,969
)
 
(8,505
)
 
—

 
—

Amortization of transition credit
—

 
—

 
(1
)
 
(1
)
 
—

 
—

Amortization of prior service (credit) cost
(15
)
 
(15
)
 
59

 
60

 
94

 
81

Amortization of net actuarial loss
8,197

 
6,037

 
2,005

 
1,572

 
738

 
503

Settlement (1)
612

 
801

 
3,190

 
397

 
—

 
—

Net periodic benefit cost (income)
$
697

 
$
(632
)
 
$
1,090

 
$
(1,781
)
 
$
2,291

 
$
2,449

Contributions to benefit plans
$
1,969

 
$
2,423

 
$
580

 
$
878

 
$
3,616

 
$
4,457

 
 
 
 
 
 
 
 
 
 
 
 
 
Defined Benefit Pension Plans
 
Nonpension Postretirement Benefit Plans
 
United States
 
Foreign
 
 
 
Six Months Ended
 
Six Months Ended
 
Six Months Ended
 
June 30,
 
June 30,
 
June 30,
 
2020
 
2019
 
2020
 
2019
 
2020
 
2019
Service cost
$
53

 
$
42

 
$
798

 
$
772

 
$
434

 
$
483

Interest cost
26,358

 
31,586

 
6,925

 
8,796

 
2,487

 
3,291

Expected return on plan assets
(42,607
)
 
(46,363
)
 
(16,177
)
 
(17,269
)
 
—

 
—

Amortization of transition credit
—

 
—

 
(2
)
 
(3
)
 
—

 
—

Amortization of prior service (credit) cost
(30
)
 
(30
)
 
120

 
123

 
187

 
161

Amortization of net actuarial loss
16,395

 
13,073

 
4,064

 
3,184

 
1,474

 
1,014

Settlement (1)
1,001

 
801

 
3,190

 
397

 
—

 
—

Net periodic benefit cost (income)
$
1,170

 
$
(891
)
 
$
(1,082
)
 
$
(4,000
)
 
$
4,582

 
$
4,949

Contributions to benefit plans
$
3,898

 
$
4,051

 
$
8,568

 
$
9,088

 
$
8,071

 
$
9,213


(1) Approximately $2.6 million and $0.5 million of total settlement charges were recorded in discontinued operations and restructuring charges, respectively, for the three and six months ended June 30, 2020 and approximately $0.3 million and $0.7 million of total settlement charges were recorded in discontinued operations and restructuring charges, respectively, for the three and six months ended June 30, 2019.