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Accounts Receivable and Allowance for Doubtful Receivables (Tables)
 3 Months Ended
May. 31, 2015
Receivables [Abstract]  
Allowance for Doubtful Receivables

The following table presents the activity in the Company’s allowance for doubtful receivables (in thousands):

 

    

Three months ended

May 31,

  
     2015      2014  

Balance at beginning of period

    $ 3,559       $ 3,672   

Bad debt expense

      307         144   

Recoveries

      24         11   

Accounts written off

      (173 )       (109 ) 
  

 

 

     

 

 

  

Balance at end of period

 $ 3,717    $ 3,718