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NATURE OF BUSINESS AND BASIS OF PRESENTATION (Details) | 9 Months Ended
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Aug. 03, 2025 Facility
Manufacturing Facilities [Abstract] |
Number of manufacturing facilities | 11
Taiwan [Member] |
Manufacturing Facilities [Abstract] |
Number of manufacturing facilities | 3
South Korea [Member] |
Manufacturing Facilities [Abstract] |
Number of manufacturing facilities | 1
China [Member] |
Manufacturing Facilities [Abstract] |
Number of manufacturing facilities | 2
United States [Member] |
Manufacturing Facilities [Abstract] |
Number of manufacturing facilities | 3
Europe [Member] |
Manufacturing Facilities [Abstract] |
Number of manufacturing facilities | 2

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- 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
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- Definition This line item represents the number of manufacturing facilities of the entity. + References No definition available. + Details
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Namespace Prefix: | plab_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Details
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Data Type: | na
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- Details
Name: | srt_StatementGeographicalAxis=country_KR
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_StatementGeographicalAxis=country_CN
Namespace Prefix: |
Data Type: | na
Balance Type: |
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- Details
Name: | srt_StatementGeographicalAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | srt_StatementGeographicalAxis=srt_EuropeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
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