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INVESTMENTS (Tables)
6 Months Ended
Feb. 28, 2021
Investments, All Other Investments [Abstract]  
Schedule of short term investment
                    
February 28, 2021 
  
(in thousands)  Amortized Cost  

Gross

Unrealized

Gains

  

Gross

Unrealized

Losses

   Fair Value 
                     
Commercial notes (due within one year)  $75,367   $   $(65)  $75,302 
Total  $75,367   $   $(65)  $75,302 

  

August 31, 2020

 

(in thousands)  Amortized Cost  

Gross

Unrealized

Gains

  

Gross

Unrealized

Losses

   Fair Value 
                     
Commercial notes (due within one year)  $66,804   $   $(61)  $66,743 
Total  $66,804   $   $(61)  $66,743