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UNCONSOLIDATED AFFILIATES (Narrative) (Details)
12 Months Ended
Aug. 31, 2019
USD ($)
Aug. 31, 2018
USD ($)
Aug. 31, 2017
USD ($)
Aug. 31, 2019
Aug. 31, 2019
ft²
Variable Interest Entity [Line Items]          
Rent expense $ 18,873,000 $ 17,212,000 $ 15,637,000    
GolfPark Plaza, S.A [Member]          
Variable Interest Entity [Line Items]          
Renewal term 5 years        
Panama [Member] | GolfPark Plaza, S.A [Member]          
Variable Interest Entity [Line Items]          
Area of property       1,670 17,976
Operating leases, Term 15 years        
Rent expense $ 105,700 $ 105,700 $ 105,700