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INCOME TAXES (Details) (USD $) In Millions, except Per Share data, unless otherwise specified | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
May 03, 2015 | May 04, 2014 | May 03, 2015 | May 04, 2014 | Nov. 02, 2014
INCOME TAXES [Abstract] |  |  |  |  |
U.S. statutory rate (in hundredths) | 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate | 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate | 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate | 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate |
Valuation allowance decrease |  |  | $ 1.5 us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount |  |
Unrecognized tax benefits | 5.3 us-gaap_UnrecognizedTaxBenefits |  | 5.3 us-gaap_UnrecognizedTaxBenefits |  | 5.1 us-gaap_UnrecognizedTaxBenefits
Unrecognized tax benefits that would impact effective tax rate | 5.2 us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate |  | 5.2 us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate |  | 5.0 us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
Accrued interest and penalties related to unrecognized tax benefits | 0.2 us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued |  | 0.2 us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued |  | 0.1 us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued
Interest and penalties expense related to unrecognized tax benefits | 0.1 us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense |  |  |  |
Foreign Tax Authority [Member] | PDMC [Member] |  |  |  |  |
Income Tax Holiday [Line Items] |  |  |  |  |
Income tax holiday commencement date | Jan. 01, 2015 |  |  |  |
Income tax holiday termination date | October 31, 2019 |  |  |  |
Dollar effect of income tax holiday |  |  | 0.1 us-gaap_IncomeTaxHolidayAggregateDollarAmount / us-gaap_BusinessAcquisitionAxis = plab_PhotronicsDnpMaskCorporationPdmcMember / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |  |
Per share effect of income tax holiday (dollars per share) | $ 0 us-gaap_IncomeTaxHolidayIncomeTaxBenefitsPerShare / us-gaap_BusinessAcquisitionAxis = plab_PhotronicsDnpMaskCorporationPdmcMember / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember | 0 us-gaap_IncomeTaxHolidayIncomeTaxBenefitsPerShare / us-gaap_BusinessAcquisitionAxis = plab_PhotronicsDnpMaskCorporationPdmcMember / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |  |  |
Foreign Tax Authority [Member] | PKLT [Member] |  |  |  |  |
Income Tax Holiday [Line Items] |  |  |  |  |
Income tax holiday commencement date | Jan. 01, 2012 |  |  |  |
Income tax holiday termination date | October 31, 2017 |  |  |  |
Dollar effect of income tax holiday | $ 0 us-gaap_IncomeTaxHolidayAggregateDollarAmount / us-gaap_BusinessAcquisitionAxis = plab_PKLTMember / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember | 0 us-gaap_IncomeTaxHolidayAggregateDollarAmount / us-gaap_BusinessAcquisitionAxis = plab_PKLTMember / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |  |  |
Per share effect of income tax holiday (dollars per share) | $ 0 us-gaap_IncomeTaxHolidayIncomeTaxBenefitsPerShare / us-gaap_BusinessAcquisitionAxis = plab_PKLTMember / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember | 0 us-gaap_IncomeTaxHolidayIncomeTaxBenefitsPerShare / us-gaap_BusinessAcquisitionAxis = plab_PKLTMember / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |  |  |

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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 + Details
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- Definition The amount of income taxes from which a reporting entity is exempt or for which it will receive a reduction in income taxes as a result of the income tax holiday granted by the taxing jurisdiction. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 11.C) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330215-122817 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 11 -Section C + Details
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- Definition Per share amount effect of the income tax benefit resulting from the income tax holidays granted by taxing jurisdictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 11.C) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330215-122817 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 11 -Section C + Details
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