v2.4.1.9
Accounts Receivable (Tables)
 12 Months Ended
Dec. 31, 2014
Schedule of Accounts Receivable

Accounts receivable (in thousands) consisted of the following, as of:

 

     December 31,  
     2014      2013  

Billed and billable

    $ 187,470       $ 190,446   

Less: unpaid deferred revenue

      (104,425 )       (100,276 ) 
  

 

 

     

 

 

  

Accounts receivable, gross

   83,045      90,170   

Less: allowance for doubtful accounts

   (4,412 )    (3,989 ) 
  

 

 

     

 

 

  

Account receivable, net

 $ 78,633    $ 86,181