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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Goodwill and Other Intangibles) (Narrative) (Details) - USD ($) $ in Thousands | May 31, 2022 | Aug. 31, 2021 | May 31, 2021
--- | --- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |  |
Goodwill and other intangibles, net | $ 44,500 | $ 52,900 |
Goodwill | 43,347 | 45,095 | $ 45,142
Other intangibles, net | 1,153 | $ 7,762 |
Aeropost [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Goodwill | 1,700 |  |
Aeropost [Member] | Trade Name [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Other intangibles, net | 4,400 |  |
Aeropost [Member] | Developed Technology [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Other intangibles, net | $ 1,000 |  |

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