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Pension and Other Post-Retirement Benefit Plans
 3 Months Ended
Mar. 31, 2017
Compensation and Retirement Disclosure [Abstract]  
Pension and Other Post-Retirement Benefit Plans
Pension and Other Post-Retirement Benefit Plans
We sponsor pension plans that cover certain hourly and salaried employees in the United States and United Kingdom. Each of the plans are frozen to new participants. Our policy is to make annual contributions to the plans to fund the normal cost as required by local regulations. In addition, we have a post-retirement benefit plan for certain U.S. operations, retirees and their dependents.
The components of net periodic (benefit) cost related to pension and other post-retirement benefit plans is as follows:
 
U.S. Pension Plans and Other Post-Retirement Benefit Plans
 
Non-U.S. Pension Plans
 
Three Months Ended March 31,
 
Three Months Ended March 31,
 
2017
 
2016
 
2017
 
2016
Service cost
$
33

 
$
32

 
$
—

 
$
—

Interest cost
449

 
473

 
271

 
359

Expected return on plan assets
(671
)
 
(678
)
 
(285
)
 
(398
)
Amortization of prior service cost
2

 
2

 
—

 
—

Recognized actuarial loss
89

 
82

 
115

 
55

Net (benefit) cost
$
(98
)
 
$
(89
)
 
$
101

 
$
16

We expect to contribute approximately $2.9 million to our pension plans and our other post-retirement benefit plans in 2017. As of March 31, 2017, $0.7 million of contributions have been made to our pension and other post-retirement plans.