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Pension and Other Postretirement Benefits
9 Months Ended
Sep. 30, 2012
Pension And Other Postretirement Benefits Disclosure [Abstract]  
Pension and Other Postretirement Benefits

7) PENSION AND OTHER POSTRETIREMENT BENEFITS

 

The components of net periodic cost for the Company's pension and postretirement benefit plans were as follows:

   Pension Benefits Postretirement Benefits
 Three Months Ended September 30, 2012   2011   2012   2011 
 Components of net periodic cost:               
  Service cost$9  $9  $  $ 
  Interest cost 61   62   8   9 
  Expected return on plan assets (62)   (60)       
  Amortization of actuarial losses (gains) 18   16   (4)   (3) 
 Net periodic cost$26  $27  $4  $6 
                  
                  
   Pension Benefits Postretirement Benefits
 Nine Months Ended September 30, 2012   2011   2012   2011 
 Components of net periodic cost:               
  Service cost$27  $27  $  $ 
  Interest cost 183   186   24   27 
  Expected return on plan assets (186)   (179)       
  Amortization of actuarial losses (gains) 54   48   (12)   (8) 
 Net periodic cost$78  $82  $12  $19