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EARNINGS PER SHARE (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended 12 Months Ended 3 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
Feb. 01, 2015
Calculation of basic and diluted earnings per share [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  
Effect of dilutive securities [Abstract]                        
Interest expense on convertible notes, net of related tax effects                 1,426us-gaap_InterestOnConvertibleDebtNetOfTax 0us-gaap_InterestOnConvertibleDebtNetOfTax 6,168us-gaap_InterestOnConvertibleDebtNetOfTax  
Gain related to common stock warrants fair value adjustment                 0us-gaap_FairValueAdjustmentOfWarrants 0us-gaap_FairValueAdjustmentOfWarrants (94)us-gaap_FairValueAdjustmentOfWarrants  
Earnings for diluted earnings per share                 $ 27,422us-gaap_NetIncomeLossAttributableToParentDiluted $ 17,966us-gaap_NetIncomeLossAttributableToParentDiluted $ 33,942us-gaap_NetIncomeLossAttributableToParentDiluted  
Weighted-average common shares computations [Abstract]                        
Weighted-average common shares used for basic earnings per share (in shares)                 61,779,000us-gaap_WeightedAverageNumberOfSharesOutstandingBasic 60,644,000us-gaap_WeightedAverageNumberOfSharesOutstandingBasic 60,055,000us-gaap_WeightedAverageNumberOfSharesOutstandingBasic  
Effect of dilutive securities [Abstract]                        
Convertible notes (in shares)                 3,945,000us-gaap_IncrementalCommonSharesAttributableToConversionOfDebtSecurities 0us-gaap_IncrementalCommonSharesAttributableToConversionOfDebtSecurities 15,423,000us-gaap_IncrementalCommonSharesAttributableToConversionOfDebtSecurities  
Share-based payment awards (in shares)                 955,000us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements 813,000us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements 767,000us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements  
Common stock warrants (in shares)                 0us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants 142,000us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants 219,000us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants  
Dilutive potential common shares (in shares)                 4,900,000us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment 955,000us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment 16,409,000us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment  
Weighted-average common shares used for diluted earnings per share (in shares)                 66,679,000us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding 61,599,000us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding 76,464,000us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding  
Basic earnings per share (in dollars per share) $ 0.07us-gaap_EarningsPerShareBasic $ 0.07us-gaap_EarningsPerShareBasic $ 0.25us-gaap_EarningsPerShareBasic [1],[2] $ 0.03us-gaap_EarningsPerShareBasic [3] $ 0.08us-gaap_EarningsPerShareBasic [4] $ 0.10us-gaap_EarningsPerShareBasic $ 0.08us-gaap_EarningsPerShareBasic $ 0.04us-gaap_EarningsPerShareBasic $ 0.42us-gaap_EarningsPerShareBasic [1],[5] $ 0.30us-gaap_EarningsPerShareBasic [4] $ 0.46us-gaap_EarningsPerShareBasic  
Diluted earnings per share (in dollars per share) $ 0.07us-gaap_EarningsPerShareDiluted $ 0.07us-gaap_EarningsPerShareDiluted $ 0.22us-gaap_EarningsPerShareDiluted [1],[2] $ 0.03us-gaap_EarningsPerShareDiluted [3] $ 0.08us-gaap_EarningsPerShareDiluted [4] $ 0.10us-gaap_EarningsPerShareDiluted $ 0.08us-gaap_EarningsPerShareDiluted $ 0.04us-gaap_EarningsPerShareDiluted $ 0.41us-gaap_EarningsPerShareDiluted [1],[5] $ 0.29us-gaap_EarningsPerShareDiluted [4] $ 0.44us-gaap_EarningsPerShareDiluted  
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]                        
Total potentially dilutive shares excluded (in shares)                 12,996,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 9,048,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 2,587,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount  
Subsequent Event [Member]                        
Subsequent Event [Line Items]                        
Share-based payment awards issued after fiscal year 2014 (in shares)                       400,000us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationGross
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
Convertible Notes [Member]                        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]                        
Total potentially dilutive shares excluded (in shares)                 11,085,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_ConvertibleDebtSecuritiesMember		 6,168,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_ConvertibleDebtSecuritiesMember		 0us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_ConvertibleDebtSecuritiesMember		  
Share-based Payment Awards [Member]                        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]                        
Total potentially dilutive shares excluded (in shares)                 1,911,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_StockCompensationPlanMember		 2,880,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_StockCompensationPlanMember		 2,587,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_StockCompensationPlanMember		  
[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.