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Pension and Other Post-Retirement Benefit Plans (Tables)
 3 Months Ended
Mar. 31, 2018
Retirement Benefits [Abstract]  
Components of Net Periodic Benefit Cost
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,
 
2018
 
2017
 
2018
 
2017
Service cost
$
—

 
$
33

 
$
—

 
$
—

Interest cost
418

 
449

 
287

 
271

Expected return on plan assets
(787
)
 
(671
)
 
(335
)
 
(285
)
Amortization of prior service cost
2

 
2

 
—

 
—

Recognized actuarial loss
69

 
89

 
137

 
115

Net (benefit) cost
$
(298
)
 
$
(98
)
 
$
89

 
$
101