v2.4.0.8
Pension and Other Postretirement Benefit Plans (Tables)
3 Months Ended
Mar. 31, 2014
Compensation And Retirement Disclosure [Abstract]  
Summary of Net Periodic Benefit Costs

The following table provides the components of net periodic benefit costs associated with our pension and other postretirement benefit plans for the three months ended March 31, 2014 and 2013 (in thousands):

 

 

     Three Months Ended March 31,  

Pension Benefits

           2014                     2013          

Interest cost

   $ 4,900      $ 4,500   

Expected return on plan assets

     (6,025     (5,950

Amortization of prior service credit

     (358     (358

Amortization of actuarial loss

     1,200        1,840   
  

 

 

   

 

 

 

Net periodic (credit) cost

   $ (283   $ 32   
  

 

 

   

 

 

 

 

     Three Months Ended March 31,  

Other Benefits

           2014                     2013          

Interest cost

   $         2      $ 10   

Amortization of prior service credit

     —          (3,087

Amortization of actuarial gain

     (33     (481
  

 

 

   

 

 

 

Net periodic credit

   $ (31   $ (3,558