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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Government Grants (Details) | 12 Months Ended
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Oct. 31, 2023
Government Grants [Abstract] |
Maximum extension period for grant agreement term | 4 years

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- References No definition available. + Details
Name: | plab_GovernmentGrantsAbstract
Namespace Prefix: | plab_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Government grant agreement term maximum extension period, In PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | plab_MaximumExtensionPeriodForGrantAgreementTerm
Namespace Prefix: | plab_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration