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Accumulated Other Comprehensive Loss (Tables)
 6 Months Ended
Jun. 30, 2013
Text Block [Abstract]  
Summary of Changes in Accumulated Other Comprehensive Loss by Component

The following table sets forth the changes in accumulated other comprehensive loss by component for the three months ended June 30, 2013:

 

     Unrealized Gain
on Other
Available-for-Sale
Securities		      Foreign  Currency
Translation		     Total  

Beginning balance

    $ 83       $ (39,571 )    $ (39,488 ) 

Other comprehensive income (loss) before reclassifications

      342         4,056        4,398   

Amounts reclassified from accumulated other comprehensive loss

      —           —          —     
  

 

 

     

 

 

    

 

 

  

Net current-period other comprehensive income (loss)

      342         4,056        4,398   
  

 

 

     

 

 

    

 

 

  

Ending balance

    $ 425       $ (35,515 )    $ (35,090 )