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Employee Benefit Plans
6 Months Ended
Jun. 30, 2015
Compensation and Retirement Disclosure [Abstract]  
Employee Benefit Plans

Note G – Employee Benefit Plans

Net periodic benefit income for the pension plans included the following components for the three months ended June 30:

 

     Pension Benefits  
     2015      2014  
     (in thousands)  

Service cost

   $ 2,403       $ 1,927   

Interest cost

     24,631         25,530   

Expected return on plan assets

     (37,675      (36,234

Amortization of prior service credit

     (141      (468

Amortization of actuarial loss

     9,628         6,613   
  

 

 

    

 

 

 

Net periodic benefit income

   $ (1,154    $ (2,632
  

 

 

    

 

 

 

Net periodic benefit income for the pension plans included the following components for the six months ended June 30:

 

     Pension Benefits  
     2015      2014  
     (in thousands)  

Service cost

   $ 4,790       $ 3,836   

Interest cost

     49,243         51,032   

Expected return on plan assets

     (75,322      (72,431

Amortization of prior service credit

     (282      (932

Amortization of actuarial loss

     19,241         13,208   
  

 

 

    

 

 

 

Net periodic benefit income

   $ (2,330    $ (5,287
  

 

 

    

 

 

 

Pension benefits also include amounts related to a supplemental retirement plan. During the six months ended June 30, 2015, the Company made a $38.7 million contribution to the pension plan.