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Restructuring Charges (Tables)
9 Months Ended
Sep. 30, 2012
Activity In Accrued Restructuring Balance, Included Within Accrued Compensation

The activity in the accrued restructuring balance, included within accrued compensation on the balance sheet, was as follows for the year ended December 31, 2011 and the nine-month period ended September 30, 2012:

 

(in thousands)    Amount  

Beginning at December 31, 2010

   $ —     

Additions based on charges during the year

     1,096   

Deductions based on payments during the year

     (641
  

 

 

 

Balance at December 31, 2011

     455   

Deductions based on payments during the period (unaudited)

     (455
  

 

 

 

Balance at September 30, 2012 (unaudited)

   $ —