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GOODWILL AND OTHER INTANGIBLE ASSETS (Intangible Assets) (Details) - USD ($) $ in Thousands | Aug. 31, 2018 | Aug. 31, 2017
--- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 20,502 | $ 19,702
Accumulated Amortization | 6,480 | 6,922
Net | 14,022 | 12,780
Customer base |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 6,254 | 6,334
Accumulated Amortization | 3,416 | 2,660
Net | 2,838 | 3,674
Favorable land leases |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 4,476 | 10,189
Accumulated Amortization | 755 | 2,849
Net | 3,721 | 7,340
Non-compete agreements |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 1,750 | 1,750
Accumulated Amortization | 798 | 578
Net | 952 | 1,172
Brand name |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 928 | 1,328
Accumulated Amortization | 662 | 770
Net | 266 | 558
Patents |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 6,993 | 0
Accumulated Amortization | 777 | 0
Net | 6,216 | 0
Other |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 101 | 101
Accumulated Amortization | 72 | 65
Net | $ 29 | $ 36

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