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Retirement and Postretirement Benefits Other than Pension Plans
3 Months Ended
Mar. 31, 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
March 31,
 
    2012     2011  

Interest cost

  $ 1,087     $ 1,208  

Expected return on plan assets

    (1,173     (1,333

Amortization of net actuarial loss

    1,170       619  
   

 

 

   

 

 

 

Total net periodic pension expense

  $ 1,084     $ 494  
   

 

 

   

 

 

 

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,
 
    2012     2011  

Service cost

  $ 14     $ 14  

Interest cost

    254       258  

Amortization of net actuarial loss

    176       —    

Amortization of prior service credit

    (108     —    

Amortization of curtailment gain

    (22     (61
   

 

 

   

 

 

 

Total net postretirement benefit expense

  $ 314     $ 211