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STOCKHOLDERS' EQUITY (Schedule of Dividends) (Details) - $ / shares |  |  |  |  |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Feb. 28, 2018 | Jan. 24, 2018 | Aug. 31, 2017 | Feb. 28, 2017 | Feb. 01, 2017 | Feb. 28, 2018 | Feb. 28, 2017 | Feb. 28, 2018 | Feb. 28, 2017
Dividends Payable [Line Items] |  |  |  |  |  |  |  |  |
Amount |  |  |  |  |  | $ 0.70 | $ 0.70 | $ 0.70 | $ 0.70
2018 Dividend Declared [Member] |  |  |  |  |  |  |  |  |
Dividends Payable [Line Items] |  |  |  |  |  |  |  |  |
Declared |  |  |  |  |  |  |  | Jan. 24, 2018 |
Amount |  | $ 0.70 |  |  |  |  |  |  |
2017 Dividend Declared [Member] |  |  |  |  |  |  |  |  |
Dividends Payable [Line Items] |  |  |  |  |  |  |  |  |
Declared |  |  |  |  |  |  |  | Feb. 01, 2017 |
Amount |  |  |  |  | $ 0.70 |  |  |  |
2018 First Dividend Paid [Member] |  |  |  |  |  |  |  |  |
Dividends Payable [Line Items] |  |  |  |  |  |  |  |  |
Record Date |  |  |  |  |  |  |  | Feb. 14, 2018 |
Date Paid |  |  |  |  |  |  |  | Feb. 28, 2018 |
Payment Amount | $ 0.35 |  |  |  |  |  |  |  |
2018 Second Dividend Paid [Member] |  |  |  |  |  |  |  |  |
Dividends Payable [Line Items] |  |  |  |  |  |  |  |  |
Record Date |  |  |  |  |  |  |  | Aug. 15, 2018 |
Date Payable |  |  |  |  |  |  |  | Aug. 31, 2018 |
Payable amount | $ 0.35 |  |  |  |  | $ 0.35 |  | $ 0.35 |
2017 First Dividend Paid [Member] |  |  |  |  |  |  |  |  |
Dividends Payable [Line Items] |  |  |  |  |  |  |  |  |
Record Date |  |  |  |  |  |  |  | Feb. 15, 2017 |
Date Paid |  |  |  |  |  |  |  | Feb. 28, 2017 |
Payment Amount |  |  |  | $ 0.35 |  |  |  |  |
2017 Second Dividend Paid [Member] |  |  |  |  |  |  |  |  |
Dividends Payable [Line Items] |  |  |  |  |  |  |  |  |
Record Date |  |  |  |  |  |  |  | Aug. 15, 2017 |
Date Paid |  |  |  |  |  |  |  | Aug. 31, 2017 |
Payment Amount |  |  | $ 0.35 |  |  |  |  |  |

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- Definition Aggregate dividends paid during the period for each share of common stock outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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