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DEBT (Summary of Changes in Long-Term Debt) (Details) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
May 31, 2022 | May 31, 2021 | Aug. 31, 2021
Debt Instrument [Line Items] |  |  |  |
Current portion of long-term debt |  | $ 19,395 |  |
Long-term debt (net of current portion) |  | 110,110 |  |
Total | [1] | 129,505 |  |
Proceeds from long-term debt incurred during the period, Current portion of long-term debt |  | 4,924 |  |
Proceeds from long-term debt incurred during the period, Long-term debt (net of current portion) |  | 25,709 |  |
Proceeds from long-term debt incurred during the period |  | 30,633 | $ 3,000 |
Repayments of long-term debt, Current portion of long-term debt |  | (7,398) |  |
Repayments of long-term debt, Long-term debt (net of current portion) |  | (10,406) |  |
Repayments of long-term debt total |  | (17,804) | $ (13,135) |
Reclassification of long-term debt due in the next 12 months, Current portion of long-term debt |  | 17,395 |  |
Reclassification of long-term debt due in the next 12 months, Long-term debt (net of current portion) |  | (17,395) |  |
Reclassification of long-term debt due in the next 12 months total |  |  |  |
Translation adjustments on foreign currency debt of subsidiaries whose functional currency is not the U.S. dollar, Current portion of long-term debt | [2] | (41) |  |
Translation adjustments on foreign currency debt of subsidiaries whose functional currency is not the U.S. dollar, Long-term debt (net of current portion) | [2] | 164 |  |
Translation adjustments on foreign currency debt of subsidiaries whose functional currency is not the U.S. dollar total | [2] | 123 |  |
Current portion of long-term debt |  | 34,275 |  |
Long-term debt (net of current portion) |  | 108,182 |  |
Total | [3] | 142,457 |  |
Guatemala Subsidiary [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Proceeds from long-term debt incurred during the period, Long-term debt (net of current portion) |  | 4,204 |  |
Proceeds from long-term debt incurred during the period |  | 4,204 |  |
Trinidad Subsidiary [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Proceeds from long-term debt incurred during the period, Current portion of long-term debt |  | 4,924 |  |
Proceeds from long-term debt incurred during the period, Long-term debt (net of current portion) |  | 21,505 |  |
Proceeds from long-term debt incurred during the period |  | 26,429 |  |
Cash Asset [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument, Collateral amount |  | 5,900 |  | $ 7,000
NonCash Asset [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt Instrument, Collateral amount |  | $ 160,600 |  | $ 153,500
[1] | The carrying amount of cash and non-cash assets assigned as collateral for these loans was $7.0 million and $153.5 million, respectively.
[2] | These foreign currency translation adjustments are recorded within Other comprehensive income (loss).
[3] | The carrying amount of cash and non-cash assets assigned as collateral for these loans was $5.9 million and $160.6 million, respectively.

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