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ACQUISITION (Pro Forma Financial Information) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Aug. 31, 2018 | Aug. 31, 2017 | Aug. 31, 2016
Business Acquisition [Line Items] |  |  |  |
Pro forma net income attributable to noncontrolling interest |  | $ 75 |  |
Amortization |  | 1,120 |  |
Pro Forma [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Pro forma total revenues |  | 3,197,307 | $ 3,040,168 | $ 2,946,083
Pro forma net income attributable to PriceSmart, Inc. | [1] | 67,734 | 82,587 | 80,852
Pro forma net income attributable to noncontrolling interest |  | 444 | $ 248 | $ (20)
Amortization |  | 2,100 |  |
Aeropost, Inc [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Pro forma net income attributable to noncontrolling interest |  | $ (9,800) |  |
Period of employment from date of closing |  | 15 months |  |
Remaining purchase price contingency |  | $ 3,900 |  |
Remaining period of the fifteen months |  | 12 months |  |
[1] | Includes the pro forma recognition of $3.0 million of post-combination compensation expense, which represents completion of twelve of the fifteen months of continued service required to satisfy the $3.9 million remaining purchase price contingency, and $2.1 million for the amortization of intangible assets for the twelve months ended August 31, 2018.

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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