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STOCKHOLDERS' EQUITY (Schedule of Components of Other Comprehensive Income (Loss) and Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
May 31, 2025 | May 31, 2024 | May 31, 2025 | May 31, 2024 | Aug. 31, 2024 | Feb. 28, 2025 | Feb. 29, 2024 | Aug. 31, 2023
Amount |  |  |  |  |  |  |  |
Beginning balance | $ 1,214,193 | $ 1,095,354 | $ 1,214,193 | $ 1,095,354 | $ 1,122,965 | $ 1,172,586 | $ 1,093,874 | $ 1,107,043
Ending balance | 1,214,193 | 1,095,354 | 1,214,193 | 1,095,354 | 1,122,965 | 1,172,586 | 1,093,874 | 1,107,043
Accumulated Other Comprehensive Loss |  |  |  |  |  |  |  |
Amount |  |  |  |  |  |  |  |
Beginning balance | (158,870) | (160,080) | (158,870) | (160,080) | (164,590) | (160,640) | (155,289) | (163,992)
Ending balance | (158,870) | (160,080) | (158,870) | (160,080) | (164,590) | $ (160,640) | $ (155,289) | $ (163,992)
Foreign currency translation adjustments |  |  |  |  |  |  |  |
Amount |  |  |  |  |  |  |  |
Other comprehensive income, before reclassification | 2,048 | (5,181) | 6,540 | 5,053 | 693 |  |  |
Defined benefit pension plan |  |  |  |  |  |  |  |
Amount |  |  |  |  |  |  |  |
Other comprehensive income, before reclassification | 49 | 91 | 176 | 302 | 501 |  |  |
Derivative instruments |  |  |  |  |  |  |  |
Amount |  |  |  |  |  |  |  |
Other comprehensive income, before reclassification | $ (327) | $ 299 | $ (996) | $ (1,443) | (2,189) |  |  |
Amounts reclassified from accumulated other comprehensive loss |  |  |  |  |  |  |  |
Amount |  |  |  |  |  |  |  |
Amounts reclassified from accumulated other comprehensive loss |  |  |  |  | $ 397 |  |  |

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