Quarterly report pursuant to Section 13 or 15(d)

Postretirement Benefits (Tables)

v3.7.0.1
Postretirement Benefits (Tables)
3 Months Ended
Mar. 31, 2017
Compensation and Retirement Disclosure [Abstract]  
Schedule of Net Benefit Costs
The components of net periodic benefit cost related to our benefit plans for the three months ended March 31, 2017 and 2016 consisted of the following:
 
For the Three Months Ended
 
March 31,
 
2017
 
2016
Components of net periodic benefit cost:
 
 
 
Service cost
$
976

 
$
952

Interest cost
1,395

 
1,409

Expected return on plan assets
(1,549
)
 
(1,749
)
Amortization of net loss
775

 
806

Net periodic benefit cost
$
1,597

 
$
1,418