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GOODWILL AND OTHER INTANGIBLE ASSETS (Intangible Assets) (Details) - USD ($) $ in Thousands | Aug. 31, 2020 | Aug. 31, 2019
--- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 22,069 | $ 20,766
Accumulated Amortization | 9,421 | 7,454
Net | 12,648 | 13,312
Patents |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 7,203 | 6,993
Accumulated Amortization | 2,647 | 1,709
Net | 4,556 | 5,284
Customer base |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 6,111 | 6,088
Accumulated Amortization | 4,900 | 4,081
Net | 1,211 | 2,007
Perpetual lease rights |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 4,766 | 4,146
Accumulated Amortization | 866 | 749
Net | 3,900 | 3,397
Non-compete agreements |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 3,050 | 2,810
Accumulated Amortization | 422 | 382
Net | 2,628 | 2,428
Brand name |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 838 | 628
Accumulated Amortization | 501 | 454
Net | 337 | 174
Other |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 101 | 101
Accumulated Amortization | 85 | 79
Net | $ 16 | $ 22

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