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Restructuring Charges (Tables)
12 Months Ended
Dec. 31, 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, 2012 and 2011:

 

(in thousands)       

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

     (455
  

 

 

 

Balance at December 31, 2012

   $ —