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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Revenue Recognition (Details) (USD $)	3 Months Ended
	Nov. 30, 2014
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]
Platinum membership rebate	2.00%psmt_PlatinumMembershipRebate
Maximum Platinum Membership Rebate	$ 500.00psmt_MaximumPlatinumMembershipRebate