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EMPLOYEE BENEFIT PLANS (Tables)
 9 Months Ended
Sep. 30, 2014
EMPLOYEE BENEFIT PLANS  
Net periodic benefit cost recognized for the plans

        Net periodic benefit cost recognized for the plans during the three months ended September 30, 2014 and the three months ended September 30, 2013 consists of the following:

 
   Pension Benefits   Other Benefits  
(In thousands)
  September 30,
2014		   September 30,
2013		   September 30,
2014		   September 30,
2013		  

Components of net periodic benefit cost:

                          

Service cost

   $ —   $ 45   $ 9   $ 49  

Interest cost

     1,153     1,128     54     217  

Expected return on plan assets

     (1,308 )   (1,177 )   —     —  

Amortization of net gain

     (259 )   —     (87 )   (20 )

Amortization of prior service credit

     —     —     (417 )   —  
                   
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net periodic benefit cost (credit)

   $ (414 ) $ (4 ) $ (441 ) $ 246  
                   
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​
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        Net periodic benefit cost recognized for the plans during the nine months ended September 30, 2014 and the nine months ended September 30, 2013 consists of the following:

 
   Pension Benefits   Other Benefits  
(In thousands)
  September 30,
2014		   September 30,
2013		   September 30,
2014		   September 30,
2013		  

Components of net periodic benefit cost:

                          

Service cost

   $ —   $ 135   $ 27   $ 146  

Interest cost

     3,457     3,384     160     652  

Expected return on plan assets

     (3,922 )   (3,530 )   —     —  

Amortization of net gain

     (776 )   —     (261 )   (58 )

Amortization of prior service credit

     —     —     (1,249 )   —  
                   
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

Net periodic benefit cost (credit)

   $ (1,241 ) $ (11 ) $ (1,323 ) $ 740  
                   
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