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UNCONSOLIDATED AFFILIATES (Narrative) (Details) | 12 Months Ended |
--- | --- | ---
Aug. 31, 2018 USD ($) m² | Aug. 31, 2017 USD ($) | Aug. 31, 2016 USD ($) | Aug. 31, 2018 ft²
Variable Interest Entity [Line Items] |  |  |  |
Rent expense | $ 17,212,000 | $ 15,637,000 | $ 15,926,000 |
GolfPark Plaza, S.A [Member] |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Area of property | 1,670 |  |  | 17,976
Operating leases, Term | 15 years |  |  |
Renewal term | 5 years |  |  |
Rent expense | $ 105,700 | $ 105,700 | $ 105,700 |

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