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Retirement and Postretirement Benefits Other than Pension Plans
3 Months Ended
Mar. 31, 2013
Compensation And Retirement Disclosure [Abstract]  
Retirement and Postretirement Benefits Other than Pension Plans
10. RETIREMENT AND POSTRETIREMENT BENEFITS OTHER THAN PENSION PLANS:

Net periodic pension expense reflected in the accompanying condensed consolidated statements of operations included the following components for the respective periods (in thousands):

 

     Three Months Ended
March 31,
 
     2013     2012  

Interest cost

   $ 993      $ 1,087   

Expected return on plan assets

     (1,291     (1,173

Recognized net actuarial loss

     318        1,170   
  

 

 

   

 

 

 

Total net periodic pension expense

   $ 20      $ 1,084   
  

 

 

   

 

 

 

Net postretirement benefit expense reflected in the accompanying condensed consolidated statements of operations included the following components for the respective periods (in thousands):

 

     Three Months Ended
March 31,
 
     2013     2012  

Service cost

   $ —        $ 14   

Interest cost

     64        254   

Amortization of net actuarial loss

     96        176   

Amortization of prior service credit

     (285     (130
  

 

 

   

 

 

 

Total net postretirement benefit expense

   $ (125   $ 314