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Pension Information
6 Months Ended
Jun. 30, 2011
Pension Information [Abstract]  
Pension Information
(7) Pension Information
   
Net periodic pension expense was as follows:
                                 
    Three months ended     Six months ended  
    June 30     June 30  
    2011     2010     2011     2010  
Service cost
  $ 211     $ 210     $ 423     $ 421  
Interest cost
    204       190       408       380  
Expected return on plan assets
    (207 )     (151 )     (414 )     (302 )
Other components
    86       65       172       129  
 
                       
Net periodic pension cost
  $ 294     $ 314     $ 589     $ 628  
 
                       
   
The total amount of contributions expected to be paid by the Corporation in 2011 total $1,152, compared to $2,016 in 2010.