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INCOME TAXES (Significant Components of Deferred Tax Assets) (Details) - USD ($) $ in Thousands | Aug. 31, 2017 | Aug. 31, 2016
--- | --- | ---
Deferred tax assets: |  |
U.S. net operating loss carryforward | $ 1,684 | $ 3,226
Foreign tax credits | 3,794 | 185
Deferred compensation | 1,633 | 1,706
U.S. timing differences and alternative minimum tax credits | 3,042 | 2,846
Foreign net operating losses | 10,247 | 13,414
Gross deferred tax assets | 37,822 | 37,713
U.S. deferred tax liabilities (depreciation and other timing | (3,646) | (3,944)
Foreign deferred tax liabilities netted against deferred tax assets | (4,744) | (8,848)
U.S. valuation allowance | (488) | (652)
Foreign valuation allowance | (13,532) | (12,011)
Net deferred tax assets | 15,412 | 12,258
Accrued Expenses And Other Timing Differences [Member] |  |
Deferred tax assets: |  |
Foreign timing differences | 3,871 | 3,807
Depreciaton And Amortization, Foreign Timing Differences [Member] |  |
Deferred tax assets: |  |
Foreign timing differences | 9,514 | 8,923
Deferred Income Foreign Timing Differences [Member] |  |
Deferred tax assets: |  |
Foreign timing differences | $ 4,037 | $ 3,606

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