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Pension and Other Postretirement Benefits (Tables)
 3 Months Ended
Mar. 31, 2017
Defined Contribution Pension and Other Postretirement Plans Disclosure [Abstract]  
Pension and Other Postretirement Benefits
The components of net periodic cost for the Company’s pension and postretirement benefit plans were as follows:
 
Pension Benefits
 
Postretirement Benefits
Three Months Ended March 31,
2017
 
2016
 
2017
 
2016
Components of net periodic cost:
 
 
 
 
 
 
 
Service cost
$
7

 
$
8

 
$
—

 
$
—

Interest cost
48

 
54

 
4

 
5

Expected return on plan assets
(50
)
 
(57
)
 
—

 
—

Amortization of actuarial loss (gain) (a)
25

 
21

 
(5
)
 
(5
)
Net periodic cost
$
30

 
$
26

 
$
(1
)
 
$
—


(a) Reflects amounts reclassified from accumulated other comprehensive income (loss) to net earnings (loss).