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Special charges (Tables)
9 Months Ended
Sep. 30, 2012
Special charges [Abstract]  
Liabilities Related to Integration
The following table details the associated liabilities incurred related to this plan (in thousands):

   
Severance and
Personnel
Costs
  
Other Exit Costs
  
Total
 
Balance January 1, 2012
 $-  $-  $- 
Charged to expense
  281   1,910   2,191 
Paid or otherwise settled
  (116)  (138)  (254)
Balance September 30, 2012
 $165  $1,772  $1,937