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Financial Instruments (Tables)
 6 Months Ended
Jun. 30, 2012
Financial Instruments [Abstract]  
Classifications and fair values of derivative instruments
                     

Consolidated Balance Sheets

  

Derivative

  

Classification

   June 30,
2012		     December 31,
2011		  
       

Average rate currency options and forward contracts

   Prepaids and other current assets   $ 117     $ —    
       

Interest rate swap

   Accrued expenses   $ (6 )    $ (36 ) 
Mark-to-market impact on earnings
                                     
        Three Months ended
June  30,		     Six Months Ended
June  30,		  

Derivative

  

Classification

   2012     2011     2012     2011  
           

Average rate currency options and forward contracts

   Other income (loss), net   $ (123 )    $ 6     $ (123 )    $ (142 ) 

Interest rate swap

   Interest income (expense)   $ 18     $ (55 )    $ 30     $ (32 ) 
Financial assets measured at fair value on a recurring basis
                                     
    Asset
(liability)
as of
June 30,
2012		     Valuation
Technique
(Approach)		   Level 1     Level 2     Level 3  
           

Cash equivalents (money market accounts and commercial paper investments)

   $ 50,337     Market   $ 50,337     $ —       $ —    

Hedges of interest rate risk (1)

     (6 )    Market     —         (6 )      —    

Acquisition contingent consideration obligations

     (1,197 )    Income     —         —         (1,197 ) 
   

 

 

        

 

 

    

 

 

    

 

 

  
    $ 49,134         $ 50,337     $ (6 )    $ (1,197 ) 
   

 

 

        

 

 

    

 

 

    

 

 

  

 

                                         
    Asset
(liability)
as of
December 31,
2011		     Valuation
Technique
(Approach)		   Level 1     Level 2     Level 3  
           

Cash equivalents (money market accounts and commercial paper investments)

   $ 111,775     Market   $ 111,775     $ —       $ —    

Hedges of interest rate risk (1)

     (36 )    Market     —         (36 )      —    

Acquisition contingent consideration obligations

     (1,197 )    Income     —         —         (1,197 ) 
       

 

 

        

 

 

    

 

 

    

 

 

  
    $ 110,542         $ 111,775     $ (36 )    $ (1,197 ) 
       

 

 

        

 

 

    

 

 

    

 

 

  

 

(1) 

ICG’s counterparties under the arrangements provide quarterly statements of market values of those instruments based on significant inputs that are observable or can be derived principally from, or corroborated by, observable market data for substantially the full term of the asset or liability.