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UNCONSOLIDATED AFFILIATES (Details) (PANAMA, USD $)
3 Months Ended 6 Months Ended
Feb. 28, 2015
Feb. 28, 2015
sqft
PANAMA
   
Variable Interest Entity [Line Items]    
Square Footage of Leased Real Estate Property   17,976psmt_SquareFootageOfLeasedRealEstateProperty
/ dei_EntityByLocationAxis
= country_PA
Square Meters of Leased Real Estate Property   1,670psmt_SquareMetersofLeasedRealEstateProperty
/ dei_EntityByLocationAxis
= country_PA
Operating Leases, Term   15 years
Lessee Leasing Arrangements, Operating Leases, Renewal Term   5 years
Operating Leases, Rent Expense   $ 8,800us-gaap_LeaseAndRentalExpense
/ dei_EntityByLocationAxis
= country_PA
Operating Leases, Rent Expense, Net $ 26,400us-gaap_OperatingLeasesRentExpenseNet
/ dei_EntityByLocationAxis
= country_PA
$ 52,800us-gaap_OperatingLeasesRentExpenseNet
/ dei_EntityByLocationAxis
= country_PA