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Employee Retirement and Postretirement Benefits (Tables)
9 Months Ended
Sep. 30, 2014
Defined Benefit Plans
 
Defined Benefit Plan Disclosure [Line Items]  
Components of Net Periodic Benefit Cost
The following table sets forth the components of net periodic benefit cost for our defined benefit plans during the three and nine months ended September 30, 2014 and 2013:
 
Three Months Ended September 30
 
Nine Months Ended September 30
 
2014
 
2013
 
2014
 
2013
 
(In thousands)
Components of net periodic benefit cost:
 
 
 
 
 
 
 
Service cost
$
770

 
$
923

 
$
2,310

 
$
2,769

Interest cost
3,495

 
3,128

 
10,485

 
9,384

Expected return on plan assets
(4,690
)
 
(4,633
)
 
(14,070
)
 
(13,899
)
Amortizations:
 
 
 
 
 
 
 
Prior service cost
197

 
198

 
591

 
594

Unrecognized net loss
1,276

 
3,098

 
3,828

 
9,294

Net periodic benefit cost
$
1,048

 
$
2,714

 
$
3,144

 
$
8,142

Postretirement Benefits
 
Defined Benefit Plan Disclosure [Line Items]  
Components of Net Periodic Benefit Cost
The following table sets forth the components of net periodic benefit cost for our postretirement benefit plans during the three and nine months ended September 30, 2014 and 2013: 
 
Three Months Ended September 30
 
Nine Months Ended September 30
 
2014
 
2013
 
2014
 
2013
 
(In thousands)
Components of net periodic benefit cost:
 
 
 
 
 
 
 
Service cost
$
206

 
$
204

 
$
618

 
$
612

Interest cost
416

 
306

 
1,248

 
918

Amortizations:
 
 
 
 
 
 
 
Prior service cost
16

 
6

 
48

 
18

Unrecognized net loss
19

 
75

 
57

 
225

Net periodic benefit cost
$
657

 
$
591

 
$
1,971

 
$
1,773