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Long-Term Debt (Tables)
 12 Months Ended
Feb. 28, 2013
Long-Term Debt [Abstract]  
Summary of long-term debt
                 
    February 28, 2013     February 29, 2012  

Revolving credit facility

   $ 57,500     $ 90,000  
Summary of long term debt maturities
         
    Debt  

2014

   $ —    

2015

     —    

2016

     —    

2017

     57,500  

2018

     —    
   

 

 

  
    $ 57,500