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STOCKHOLDERS' EQUITY (Schedule of Dividends) (Details) - $ / shares
3 Months Ended 6 Months Ended
Feb. 28, 2020
Feb. 06, 2020
Aug. 30, 2019
Feb. 28, 2019
Feb. 29, 2020
Feb. 28, 2019
Feb. 29, 2020
Feb. 28, 2019
Dividends Payable [Line Items]                
Amount         $ 0.70 $ 0.70 $ 0.70 $ 0.70
2020 Dividend Declared [Member]                
Dividends Payable [Line Items]                
Declared             Feb. 06, 2020  
Amount   $ 0.70            
2019 Dividend Declared [Member]                
Dividends Payable [Line Items]                
Declared             Jan. 30, 2019  
Amount             $ 0.70  
2020 First Dividend Paid [Member]                
Dividends Payable [Line Items]                
Record Date             Feb. 15, 2020  
Date Paid             Feb. 28, 2020  
Payment Amount $ 0.35              
2020 Second Dividend Paid [Member]                
Dividends Payable [Line Items]                
Record Date             Aug. 15, 2020  
Date Payable             Aug. 31, 2020  
Payment Amount             $ 0.35  
2019 First Dividend Paid [Member]                
Dividends Payable [Line Items]                
Record Date             Feb. 15, 2019  
Date Paid             Feb. 28, 2019  
Payment Amount       $ 0.35        
2019 Second Dividend Paid [Member]                
Dividends Payable [Line Items]                
Record Date             Aug. 15, 2019  
Date Paid             Aug. 30, 2019  
Payment Amount     $ 0.35