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RECEIVABLES
9 Months Ended
Feb. 28, 2015
RECEIVABLES

3. RECEIVABLES

A summary of accounts receivable as of February 28, 2015 and May 31, 2014 is as follows (in thousands):

 

     February 28, 2015      May 31, 2014  
     (unaudited)         

Trade accounts receivable

   $   160,920       $   165,484   

Unbilled revenues

     15,433         14,901   

Allowance for doubtful accounts

     (4,190      (4,784
  

 

 

    

 

 

 

Total

   $ 172,163       $ 175,601