COMMITMENTS AND CONTINGENCIES (Narrative) (Details) - USD ($) $ in Thousands |
9 Months Ended | |
|---|---|---|
May 31, 2021 |
Aug. 31, 2020 |
|
| Commitments And Contingencies [Line Items] | ||
| Accrual for taxes other than income taxes, Current | $ 1,700 | $ 2,500 |
| Contractual obligation | 16,300 | 5,100 |
| Purchase options, Land | 7,400 | |
| Income taxes receivable | 29,647 | 31,060 |
| Uncertain income tax | 1,200 | |
| Unknown Country [Member] | ||
| Commitments And Contingencies [Line Items] | ||
| Income taxes receivable | 11,000 | 10,400 |
| Deferred tax assets, net | $ 3,200 | $ 2,800 |