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Retirement and Postretirement Benefits Other than Pension Plans
6 Months Ended
Jun. 30, 2012
Retirement and Postretirement Benefits Other than Pension Plans [Abstract]  
RETIREMENT AND POSTRETIREMENT BENEFITS OTHER THAN PENSION PLANS

9. 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     Six months ended  
    June 30,     June 30,  
    2012     2011     2012     2011  

Interest cost

  $ 1,087     $ 1,209     $ 2,174     $ 2,417  

Expected return on plan assets

    (1,173     (1,334     (2,346     (2,667

Amortization of net actuarial loss

    1,170       619       2,340       1,238  
   

 

 

   

 

 

   

 

 

   

 

 

 

Total net periodic pension expense

  $ 1,084     $ 494     $ 2,168     $ 988  
   

 

 

   

 

 

   

 

 

   

 

 

 

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     Six months ended  
    June 30,     June 30,  
    2012     2011     2012     2011  

Service cost

  $ 15     $ 15     $ 29     $ 29  

Interest cost

    253       257       507       515  

Amortization of net actuarial loss

    176       —         352       —    

Amortization of prior service credit

    (109     —         (217     —    

Amortization of curtailment gain

    (22     (61     (44     (122
   

 

 

   

 

 

   

 

 

   

 

 

 

Total net postretirement benefit expense

  $ 313     $ 211     $ 627     $ 422