XML 30 R19.htm IDEA: XBRL DOCUMENT v3.5.0.2
Post-retirement Plan
 6 Months Ended
Jun. 30, 2016
Pension and Other Postretirement Benefit Expense [Abstract]  
Post-retirement Plans
Post-retirement Plans

We have a post-retirement healthcare and other benefits plan that is available to certain of our employees who satisfy certain age and service requirements. The net periodic benefit credit of this plan consisted of the following components:
 
 
Three Months Ended
June 30,
 
Six Months Ended
June 30,
 
 
2016
 
2015
 
2016
 
2015
 
 
(In thousands)
Service cost – benefit earned during the period
 
$
324

 
$
424

 
$
648

 
$
848

Interest cost on projected benefit obligations
 
197

 
205

 
394

 
410

Amortization of prior service credit
 
(871
)
 
(871
)
 
(1,742
)
 
(1,742
)
Amortization of net loss
 
—

 
46

 
—

 
92

Net periodic post-retirement credit
 
$
(350
)
 
$
(196
)
 
$
(700
)
 
$
(392
)