UNCONSOLIDATED AFFILIATES (Narrative) (Details)		6 Months Ended	12 Months Ended
	Dec. 11, 2015 USD ($)	Feb. 29, 2016 USD ($)	Aug. 31, 2016 USD ($) m²	Aug. 31, 2015 USD ($)	Aug. 31, 2014 USD ($)	Aug. 31, 2013 USD ($)	Aug. 31, 2016 ft²	Aug. 31, 2016 USD ($)
Variable Interest Entity [Line Items]
Area of property | ft²							2,835,117
Rent expense			$ 15,926,000	$ 15,887,000	$ 13,898,000
Rental income			$ 3,054,000	3,154,000	3,021,000
Golf Park 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
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