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Postretirement Benefits (Tables)
9 Months Ended
Sep. 30, 2014
Compensation and Retirement Disclosure [Abstract]  
Components of net periodic benefit costs
The components of net periodic benefit costs, included in general and administrative expense in the Condensed Consolidated Statement of Operations, were as follows:
 
 
Three Months Ended 
 September 30,
 
Nine Months Ended 
 September 30,
(In thousands)
 
2014
 
2013
 
2014
 
2013
Service cost
 
$
456

 
$
455

 
$
1,368

 
$
1,285

Interest cost
 
407

 
355

 
1,221

 
1,145

Amortization of net loss
 

 
116

 

 
525

 
 
$
863

 
$
926

 
$
2,589

 
$
2,955