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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 | $ 4,277 us-gaap_NetIncomeLoss | $ 4,186 us-gaap_NetIncomeLoss | $ 15,540 us-gaap_NetIncomeLoss | [1],[2] | $ 1,993 us-gaap_NetIncomeLoss | [3] | $ 4,840 us-gaap_NetIncomeLoss | [4] | $ 5,940 us-gaap_NetIncomeLoss | $ 4,863 us-gaap_NetIncomeLoss | $ 2,323 us-gaap_NetIncomeLoss | $ 25,996 us-gaap_NetIncomeLoss | [1],[5] | $ 17,966 us-gaap_NetIncomeLoss | [4] | $ 27,868 us-gaap_NetIncomeLoss |
Effect of dilutive securities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest expense on convertible notes, net of related tax effects |  |  |  |  |  |  |  |  |  |  |  | 1,426 us-gaap_InterestOnConvertibleDebtNetOfTax |  | 0 us-gaap_InterestOnConvertibleDebtNetOfTax |  | 6,168 us-gaap_InterestOnConvertibleDebtNetOfTax |
Gain related to common stock warrants fair value adjustment |  |  |  |  |  |  |  |  |  |  |  | 0 us-gaap_FairValueAdjustmentOfWarrants |  | 0 us-gaap_FairValueAdjustmentOfWarrants |  | (94)us-gaap_FairValueAdjustmentOfWarrants |
Earnings for diluted earnings per share |  |  |  |  |  |  |  |  |  |  |  | $ 27,422 us-gaap_NetIncomeLossAttributableToParentDiluted |  | $ 17,966 us-gaap_NetIncomeLossAttributableToParentDiluted |  | $ 33,942 us-gaap_NetIncomeLossAttributableToParentDiluted |
Weighted-average common shares computations [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average common shares used for basic earnings per share (in shares) |  |  |  |  |  |  |  |  |  |  |  | 61,779,000 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic |  | 60,644,000 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic |  | 60,055,000 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic |
Effect of dilutive securities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible notes (in shares) |  |  |  |  |  |  |  |  |  |  |  | 3,945,000 us-gaap_IncrementalCommonSharesAttributableToConversionOfDebtSecurities |  | 0 us-gaap_IncrementalCommonSharesAttributableToConversionOfDebtSecurities |  | 15,423,000 us-gaap_IncrementalCommonSharesAttributableToConversionOfDebtSecurities |
Share-based payment awards (in shares) |  |  |  |  |  |  |  |  |  |  |  | 955,000 us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements |  | 813,000 us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements |  | 767,000 us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements |
Common stock warrants (in shares) |  |  |  |  |  |  |  |  |  |  |  | 0 us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants |  | 142,000 us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants |  | 219,000 us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants |
Dilutive potential common shares (in shares) |  |  |  |  |  |  |  |  |  |  |  | 4,900,000 us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment |  | 955,000 us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment |  | 16,409,000 us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment |
Weighted-average common shares used for diluted earnings per share (in shares) |  |  |  |  |  |  |  |  |  |  |  | 66,679,000 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding |  | 61,599,000 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding |  | 76,464,000 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding |
Basic earnings per share (in dollars per share) | $ 0.07 us-gaap_EarningsPerShareBasic | $ 0.07 us-gaap_EarningsPerShareBasic | $ 0.25 us-gaap_EarningsPerShareBasic | [1],[2] | $ 0.03 us-gaap_EarningsPerShareBasic | [3] | $ 0.08 us-gaap_EarningsPerShareBasic | [4] | $ 0.10 us-gaap_EarningsPerShareBasic | $ 0.08 us-gaap_EarningsPerShareBasic | $ 0.04 us-gaap_EarningsPerShareBasic | $ 0.42 us-gaap_EarningsPerShareBasic | [1],[5] | $ 0.30 us-gaap_EarningsPerShareBasic | [4] | $ 0.46 us-gaap_EarningsPerShareBasic |
Diluted earnings per share (in dollars per share) | $ 0.07 us-gaap_EarningsPerShareDiluted | $ 0.07 us-gaap_EarningsPerShareDiluted | $ 0.22 us-gaap_EarningsPerShareDiluted | [1],[2] | $ 0.03 us-gaap_EarningsPerShareDiluted | [3] | $ 0.08 us-gaap_EarningsPerShareDiluted | [4] | $ 0.10 us-gaap_EarningsPerShareDiluted | $ 0.08 us-gaap_EarningsPerShareDiluted | $ 0.04 us-gaap_EarningsPerShareDiluted | $ 0.41 us-gaap_EarningsPerShareDiluted | [1],[5] | $ 0.29 us-gaap_EarningsPerShareDiluted | [4] | $ 0.44 us-gaap_EarningsPerShareDiluted |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total potentially dilutive shares excluded (in shares) |  |  |  |  |  |  |  |  |  |  |  | 12,996,000 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount |  | 9,048,000 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount |  | 2,587,000 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount |
Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based payment awards issued after fiscal year 2014 (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 400,000 us-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) |  |  |  |  |  |  |  |  |  |  |  | 11,085,000 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = us-gaap_ConvertibleDebtSecuritiesMember |  | 6,168,000 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = us-gaap_ConvertibleDebtSecuritiesMember |  | 0 us-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) |  |  |  |  |  |  |  |  |  |  |  | 1,911,000 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = us-gaap_StockCompensationPlanMember |  | 2,880,000 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = us-gaap_StockCompensationPlanMember |  | 2,587,000 us-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.

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