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COMMITMENTS AND CONTINGENCIES (Narrative) (Details) - USD ($)
$ in Thousands
Feb. 28, 2021
Aug. 31, 2020
Commitments And Contingencies [Line Items]    
Accrual for taxes other than income taxes, Current $ 2,000 $ 2,500
Contractual obligation 19,100 5,100
Purchase options, Land 7,600  
Income taxes receivable 28,526 31,060
Unknown Country [Member]    
Commitments And Contingencies [Line Items]    
Income taxes receivable 11,000 10,400
Deferred tax assets, net $ 3,200 $ 2,800