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Net Periodic Benefit Cost
 9 Months Ended
Sep. 30, 2016
Compensation and Retirement Disclosure [Abstract]  
NET PERIODIC BENEFIT COST
NET PERIODIC BENEFIT COST
Net periodic pension cost for the Company’s defined benefit pension plans and U.S. post-retirement medical plan includes the following components for the three months ended September 30:
 
U.S. Pension Benefits
 
Non-U.S. Pension Benefits
 
Other U.S. Post-retirement Benefits
 
Total
 
2016
 
2015
 
2016
 
2015
 
2016
 
2015
 
2016
 
2015
Service cost, net
$
103

 
$
211

 
$
4,216

 
$
4,772

 
$
—

 
$
—

 
$
4,319

 
$
4,983

Interest cost on projected benefit obligations
1,014

 
1,607

 
2,542

 
3,554

 
19

 
35

 
3,575

 
5,196

Expected return on plan assets
(1,868
)
 
(2,395
)
 
(8,177
)
 
(9,228
)
 
—

 
—

 
(10,045
)
 
(11,623
)
Recognition of prior service cost
—

 
—

 
(1,288
)
 
(1,675
)
 
(469
)
 
(469
)
 
(1,757
)
 
(2,144
)
Recognition of actuarial losses/(gains)
1,907

 
1,906

 
4,519

 
3,756

 
(673
)
 
(843
)
 
5,753

 
4,819

Net periodic pension cost/(credit)
$
1,156

 
$
1,329

 
$
1,812

 
$
1,179

 
$
(1,123
)
 
$
(1,277
)
 
$
1,845

 
$
1,231



Net periodic pension cost for the Company’s defined benefit pension plans and U.S. post-retirement medical plan includes the following components for the nine months ended September 30:

 
U.S. Pension Benefits
 
Non-U.S. Pension Benefits
 
Other U.S. Post-retirement Benefits
 
Total
 
2016
 
2015
 
2016
 
2015
 
2016
 
2015
 
2016
 
2015
Service cost, net
$
328

 
$
628

 
$
12,606

 
$
14,228

 
$
—

 
$
—

 
$
12,934

 
$
14,856

Interest cost on projected benefit obligations
3,414

 
4,823

 
7,967

 
10,623

 
57

 
104

 
11,438

 
15,550

Expected return on plan assets
(5,912
)
 
(7,183
)
 
(25,020
)
 
(27,867
)
 
—

 
—

 
(30,932
)
 
(35,050
)
Recognition of prior service cost
—

 
—

 
(3,856
)
 
(3,632
)
 
(1,408
)
 
(1,408
)
 
(5,264
)
 
(5,040
)
Recognition of actuarial losses/(gains)
5,699

 
5,720

 
13,585

 
11,393

 
(2,019
)
 
(2,528
)
 
17,265

 
14,585

Settlement charge
7,963

 
—

 
—

 
—

 
—

 
—

 
7,963

 
—

Net periodic pension cost/(credit)
$
11,492

 
$
3,988

 
$
5,282

 
$
4,745

 
$
(3,370
)
 
$
(3,832
)
 
$
13,404

 
$
4,901



As previously disclosed in the Company's Annual Report on Form 10-K for the year ended December 31, 2015, the Company expects to make employer contributions of approximately $19.4 million to its non-U.S. pension plans and employer contributions of approximately $0.5 million to its U.S. post-retirement medical plan during the year ended December 31, 2016. These estimates may change based upon several factors, including fluctuations in currency exchange rates, actual returns on plan assets and changes in legal requirements.