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PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS (Table)
 9 Months Ended
Sep. 30, 2015
Pension Plans Defined Benefit [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule Of Defined Benefit Plans Disclosures
The components of net periodic pension cost for the three and nine months ended September 30, 2015 and 2014 are as follows:

 
Three Months Ended
 
Nine Months Ended
(In thousands)
September 30,
 
September 30,
 
2015
 
2014
 
2015
 
2014
Service cost
$
5,914

 
$
6,227

 
$
20,187

 
$
18,969

Interest cost
7,422

 
7,799

 
22,410

 
22,895

Expected return on plan assets
(13,601
)
 
(10,521
)
 
(40,968
)
 
(31,359
)
Amortization of prior service cost
151

 
157

 
462

 
472

Amortization of unrecognized actuarial loss
5,180

 
2,147

 
12,911

 
5,113

Settlement Charges
$
7,345

 
$
—

 
$
7,345

 
$
—

Net periodic benefit cost
$
12,411


$
5,809


$
22,347


$
16,090