XML 19 R111.htm IDEA: XBRL DOCUMENT v3.19.3

ACQUISITION (Narrative) (Details) - Aeropost, Inc [Member] - USD ($) $ in Thousands		12 Months Ended
	Mar. 15, 2018	Aug. 31, 2019
Business Acquisition [Line Items]
Total cash consideration		$ 28,953
Period of employment from date of closing		15 months
Maximum [Member]
Business Acquisition [Line Items]
Total cash consideration	$ 5,000

X

- Definition

Business Acquisition, Period Of Executives To Remain Employed From Date Of Closing

+ References

No definition available.

+ Details

Name:	psmt_BusinessAcquisitionPeriodOfExecutivesToRemainEmployedFromDateOfClosing
Namespace Prefix:	psmt_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Business Combination, Cash Payment To Acquire Business

+ References

No definition available.

+ Details

Name:	psmt_BusinessCombinationCashPaymentToAcquireBusiness
Namespace Prefix:	psmt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_BusinessAcquisitionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_BusinessAcquisitionAxis=psmt_AeropostIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: