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SUBSIDIARY SHARE REPURCHASE AND TENDER OFFER (Details) (USD $)
In Thousands, except Share data in Millions, unless otherwise specified
 3 Months Ended 12 Months Ended 1 Months Ended
Nov. 02, 2014
Aug. 03, 2014
May 04, 2014
Feb. 02, 2014
Nov. 03, 2013
Jul. 28, 2013
Apr. 28, 2013
Jan. 27, 2013
Nov. 02, 2014
Nov. 03, 2013
Oct. 28, 2012
Jan. 31, 2014
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]                        
Payment to minority shareholders                 $ 0us-gaap_PaymentsToMinorityShareholders $ 32,374us-gaap_PaymentsToMinorityShareholders $ 15,598us-gaap_PaymentsToMinorityShareholders  
Effect of the change in the entity's ownership interest in PSMC [Abstract]                        
Net income attributable to Photronics, Inc. shareholders 4,277us-gaap_NetIncomeLoss 4,186us-gaap_NetIncomeLoss 15,540us-gaap_NetIncomeLoss [1],[2] 1,993us-gaap_NetIncomeLoss [3] 4,840us-gaap_NetIncomeLoss [4] 5,940us-gaap_NetIncomeLoss 4,863us-gaap_NetIncomeLoss 2,323us-gaap_NetIncomeLoss 25,996us-gaap_NetIncomeLoss [1],[5] 17,966us-gaap_NetIncomeLoss [4] 27,868us-gaap_NetIncomeLoss  
Increase (decrease) in Photronics, Inc.'s additional paid-in capital and accumulated other comprehensive income                 (11)us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesRepurchaseOfSharesBySubsidiary (237)us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesRepurchaseOfSharesBySubsidiary    
Change from net income attributable to Photronics, Inc. shareholders due to issuance of shares of PDMC and transfers to or from noncontrolling interests                 20,212us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangeDueToNetIncomeAttributableToParentAndEffectsOfChangesNet 18,329us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangeDueToNetIncomeAttributableToParentAndEffectsOfChangesNet 29,775us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangeDueToNetIncomeAttributableToParentAndEffectsOfChangesNet  
Additional Paid-in Capital [Member]                        
Effect of the change in the entity's ownership interest in PSMC [Abstract]                        
Increase (decrease) in Photronics, Inc.'s additional paid-in capital and accumulated other comprehensive income                 (6,183)us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesRepurchaseOfSharesBySubsidiary
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember		 600us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesRepurchaseOfSharesBySubsidiary
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember		 1,985us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesRepurchaseOfSharesBySubsidiary
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember		  
Accumulated Other Comprehensive Income [Member]                        
Effect of the change in the entity's ownership interest in PSMC [Abstract]                        
Increase (decrease) in Photronics, Inc.'s additional paid-in capital and accumulated other comprehensive income                 399us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesRepurchaseOfSharesBySubsidiary
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember		 (237)us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesRepurchaseOfSharesBySubsidiary
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember		 (78)us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesRepurchaseOfSharesBySubsidiary
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember		  
PSMC [Member]                        
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]                        
Subsidiary shares acquired (in shares)               9.2plab_SubsidiarySharesAcquired
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember		   60.5plab_SubsidiarySharesAcquired
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember		 35.9plab_SubsidiarySharesAcquired
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember		 3.0plab_SubsidiarySharesAcquired
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
Payment to minority shareholders               4,200us-gaap_PaymentsToMinorityShareholders
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember		       1,700us-gaap_PaymentsToMinorityShareholders
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
Ownership percentage in subsidiary (in hundredths)               75.11%us-gaap_MinorityInterestOwnershipPercentageByParent
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember		     72.09%us-gaap_MinorityInterestOwnershipPercentageByParent
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember		 100.00%us-gaap_MinorityInterestOwnershipPercentageByParent
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
Common stock issued by subsidiary (in shares)                 112.9us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember		      
PSMC [Member] | Tender Offer [Member]                        
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]                        
Subsidiary shares acquired (in shares)                   51.4plab_SubsidiarySharesAcquired
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
/ us-gaap_ShareRepurchaseProgramAxis
= plab_TenderOfferMember		    
Payment to minority shareholders                   $ 28,100us-gaap_PaymentsToMinorityShareholders
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
/ us-gaap_ShareRepurchaseProgramAxis
= plab_TenderOfferMember		    
Ownership percentage in subsidiary (in hundredths)         98.63%us-gaap_MinorityInterestOwnershipPercentageByParent
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
/ us-gaap_ShareRepurchaseProgramAxis
= plab_TenderOfferMember		         98.63%us-gaap_MinorityInterestOwnershipPercentageByParent
/ dei_LegalEntityAxis
= us-gaap_SubsidiariesMember
/ us-gaap_ShareRepurchaseProgramAxis
= plab_TenderOfferMember		    
[1] Includes non-cash gain of $16.4 million, net of tax, related to the acquisition of DPTT.
[2] Includes expenses of $2.0 million, net of tax, related to the acquisition of DPTT.
[3] Includes expenses of $0.5 million, net of tax, related to the acquisition of DPTT.
[4] Includes expenses of $0.8 million, net of tax, related to the subsequent acquisition of DPTT.
[5] Includes expenses of $2.5 million, net of tax, related to the acquisition of DPTT.