Aggregate dividends paid during the period for each share of common stock outstanding.

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

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Aggregate dividends declared during the period for each share of common stock outstanding.

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Date the declared dividend will be paid, in CCYY-MM-DD format.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586

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Date the dividend to be paid was declared, in CCYY-MM-DD format.

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Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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STOCKHOLDERS' EQUITY (Schedule of Dividends) (Details) - $ / shares										12 Months Ended
	Aug. 31, 2018	Feb. 28, 2018	Jan. 24, 2018	Aug. 31, 2017	Feb. 28, 2017	Feb. 01, 2017	Aug. 31, 2016	Feb. 29, 2016	Feb. 04, 2016	Aug. 31, 2018	Aug. 31, 2017	Aug. 31, 2016
Dividends Payable [Line Items]
Amount										$ 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
2016 Dividend Declared [Member]
Dividends Payable [Line Items]
Declared										Feb. 04, 2016
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 Paid										Aug. 31, 2018
Payment Amount	$ 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
2016 First Dividend Paid [Member]
Dividends Payable [Line Items]
Record Date										Feb. 15, 2016
Date Paid										Feb. 29, 2016
Payment Amount								$ 0.35
2016 Second Dividend Paid [Member]
Dividends Payable [Line Items]
Record Date										Aug. 15, 2016
Date Paid										Aug. 31, 2016
Payment Amount							$ 0.35