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UNCONSOLIDATED AFFILIATES (Narrative) (Details)		6 Months Ended	12 Months Ended
	Dec. 11, 2015 USD ($)	Feb. 29, 2016 USD ($)	Aug. 31, 2017 USD ($) m²	Aug. 31, 2016 USD ($) ft²	Aug. 31, 2015 USD ($)	Aug. 31, 2014 USD ($)	Aug. 31, 2013 USD ($)	Aug. 31, 2017 ft²	Aug. 31, 2017 USD ($)
Variable Interest Entity [Line Items]
Area of property | ft²								2,925,731
Rent expense			$ 15,637,000	$ 15,926,000	$ 15,887,000
Rental income			$ 2,899,000	3,054,000	3,154,000
GolfPark Plaza, S.A [Member]
Variable Interest Entity [Line Items]
Area of property			1,670					17,976
Operating leases, Term			15 years
Renewal term			5 years
Rent expense			$ 105,700	105,700	105,700
Additional lease payment									$ 109,000
Lease payment applied			$ 39,000
Straight line rental income basis					$ 106,000	$ 72,000	$ 12,000
Rental income				$ 1,000
Gain on sale of land		$ 851,000
OD Panama, S.A. [Member]
Variable Interest Entity [Line Items]
Area of property | ft²				26,000
Operating leases, Term			30 years
Initial lease deposit	$ 545,000
Second lease deposit	$ 436,000

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Lease Deposit

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Second Lease Deposit

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Area of a real estate property.

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Amount of minimum lease payments for capital leases net of executory costs, which include amounts paid by the lessee to the lessor for insurance, maintenance and taxes.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)
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The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
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Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
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The total amount of revenue recognized for the period from operating leases, including minimum lease revenue, contingent revenue, percentage revenue and sublease revenue.

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Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

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