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INCOME TAXES (Reconciliation of Unrecognized Tax Benefits) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Aug. 31, 2021 | Aug. 31, 2020 | Aug. 31, 2019
INCOME TAXES [Abstract] |  |  |
Balance at beginning of fiscal year | $ 4,573 | $ 6,490 | $ 7,005
Gross increase - tax positions in prior period | 135 | 464 | 530
Gross decrease - tax positions in prior period | (306) |  |
Additions based on tax positions related to the current year | 333 | 186 | 94
Expirations of the statute of limitations for the assessment of taxes | (824) | (2,567) | (1,139)
Balance at end of fiscal year | $ 3,911 | $ 4,573 | $ 6,490

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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 + Details
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