SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule of Joint Ventures) (Details)	Aug. 31, 2018
Aero Post [Member] | El Salvador [Member] | Consolidated Entities [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage	60.00%
Aero Post [Member] | Guatemala [Member] | Consolidated Entities [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage	60.00%
Aero Post [Member] | British Virgin Islands [Member] | Consolidated Entities [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage	50.00%
Aero Post [Member] | Trinidad [Member] | Consolidated Entities [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage	50.00%
Real Estate Development [Member] | Panama [Member] | Equity Method Investee [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage	50.00%	[1]
Real Estate Development [Member] | Costa Rica [Member] | Equity Method Investee [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage	50.00%	[1]

[1] Joint venture interests are recorded as investment in unconsolidated affiliates on the consolidated balance sheets.