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CONSOLIDATION, RESTRUCTURING AND RELATED CHARGES (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jul. 28, 2013 | Jul. 29, 2012 | Jul. 28, 2013 | Jul. 29, 2012 | Oct. 28, 2012
Activities related to restructuring reserve [Abstract] |  |  |  |  |
Restructuring reserve beginning balance | $ 40 | $ 199 | $ 295 | $ 0 | $ 0
Charges | 0 | 7 | 0 | 1,182 | 1,400
Utilized | 0 | (69) | (255) | (1,045) |
Restructuring reserve ending balance | 40 | 137 | 40 | 137 | 295
Employee Terminations and other [Member] |  |  |  |  |
Activities related to restructuring reserve [Abstract] |  |  |  |  |
Restructuring reserve beginning balance | 40 | 199 | 295 | 0 | 0
Charges | 0 | 7 | 0 | 920 |
Utilized | 0 | (69) | (255) | (783) |
Restructuring reserve ending balance | 40 | 137 | 40 | 137 |
Asset Write-downs [Member] |  |  |  |  |
Activities related to restructuring reserve [Abstract] |  |  |  |  |
Restructuring reserve beginning balance |  | 0 |  | 0 | 0
Charges |  | 0 |  | 262 |
Utilized |  | 0 |  | (262) |
Restructuring reserve ending balance |  | $ 0 |  | $ 0 |

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- Definition This line item represents the amount of the restructuring reserve that has been settled with, or without, cash during the period. + References No definition available. + Details
Name: | plab_RestructuringReserveUtilized
Namespace Prefix: | plab_
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Balance Type: | debit
Period Type: | duration

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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: 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=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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- Details
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