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BASIS OF FINANCIAL STATEMENT PRESENTATION (Details) | 3 Months Ended
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Apr. 28, 2013 Facility
Manufacturing Facilities By Geographical Region [Line Items] |
Number of manufacturing facilities | 8
Europe [Member] |
Manufacturing Facilities By Geographical Region [Line Items] |
Number of manufacturing facilities | 2
Taiwan [Member] |
Manufacturing Facilities By Geographical Region [Line Items] |
Number of manufacturing facilities | 2
Korea [Member] |
Manufacturing Facilities By Geographical Region [Line Items] |
Number of manufacturing facilities | 1
United States [Member] |
Manufacturing Facilities By Geographical Region [Line Items] |
Number of manufacturing facilities | 3

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

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- Details
Name: | plab_OperatingFacilitiesByGeographicalRegionLineItems
Namespace Prefix: | plab_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration