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INCOME TAXES (Reconciliation of Unrecognized Tax Benefits) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Aug. 31, 2019 | Aug. 31, 2018 | Aug. 31, 2017
INCOME TAXES [Abstract] |  |  |  |  |
Balance at beginning of fiscal year |  | $ 7,005 | $ 7,694 |  | $ 7,754
Gross increase - tax positions in prior period |  | 530 | 1,600 | [1] |
Gross decrease - tax positions in prior period | [2] |  | (2,526) |  |
Additions based on tax positions related to the current year |  | 94 | 258 |  | 36
Settlements |  |  |  |  | (65)
Expirations of the statute of limitations for the assessment of taxes |  | (1,139) | (21) |  | (31)
Balance at end of fiscal year |  | $ 6,490 | $ 7,005 |  | $ 7,694
[1] | Aeropost related unrecognized tax benefits, with corresponding increase to Goodwill, due to current year acquisition.
[2] | Beneficial impact of US tax rate change, with corresponding detrimental rate change offset in deferred tax assets.

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- Definition Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 + Details
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- Definition Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 + Details
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