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DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (Schedule of Notional Amounts of Outstanding Derivative Positions) (Details) - Cash Flow Hedging [Member] - USD ($) $ in Thousands | Nov. 30, 2020 | Aug. 31, 2020
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Derivative [Line Items] |  |
Derivative Liability, Notional Amount | $ 99,366 | $ 100,605
Union Bank [Member] |  |
Derivative [Line Items] |  |
Derivative Liability, Notional Amount | 33,575 | 33,894
Citibank N.A. [Member] |  |
Derivative [Line Items] |  |
Derivative Liability, Notional Amount | 54,541 | 55,086
Scotiabank [Member] |  |
Derivative [Line Items] |  |
Derivative Liability, Notional Amount | $ 11,250 | $ 11,625

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