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Fair Value Measurements (Tables)
9 Months Ended
Sep. 30, 2012
Fair Value Measurements [Abstract]  
Fair value information related to assets

The fair value information related to these assets is summarized in the following table:

 

                                 
          Fair Value Measurements at September 30, 2012  Using  

Description

  September 30,
2012
    Quoted Prices in
Active Markets
(Level 1)
    Significant
Other
Observable
Inputs
(Level 2)
    Significant
Unobserved
Inputs (Level 3)
 
    (in thousands)  

Money market funds

  $ 30,674     $ 30,674     $ —       $ —    

Other mutual funds

    1,277       1,277       —         —    
   

 

 

   

 

 

   

 

 

   

 

 

 

Total

  $ 31,951     $ 31,951     $ —       $ —