AOCI Attributable to Noncontrolling Interest [Member] AOCI Including Portion Attributable to Noncontrolling Interest [Member] Award Type [Axis] SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract] Accounts payable ACCRUED LIABILITIES Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] Accounts Receivable [Member] Accounts receivable, net of allowance of $1,002 in 2022 and $1,218 in 2021 Accounts receivable Value added and other taxes Accrual for Taxes Other than Income Taxes, Current Accrued liabilities Accrued liabilities Accrued Liabilities, Current ACCRUED LIABILITIES [Abstract] Telecommunications and utilities Income taxes Accrued Income Taxes, Current Accrued Liabilities [Member] Accrued Liabilities [Member] Accumulated Other Comprehensive Income (Loss) [Table] Foreign Currency Translation Adjustments [Member] Accumulated Foreign Currency Adjustment Attributable to Noncontrolling Interest [Member] Accumulated Other Comprehensive Income (Loss) [Line Items] Foreign Currency Translation Adjustments [Member] Foreign Currency Translation Adjustments [Member] Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Accumulated Other Comprehensive Income (Loss) [Member] AOCI Attributable to Parent [Member] Accumulated other comprehensive (loss) income CHANGES IN ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME BY COMPONENT [Abstract] Additional paid-in capital Additional Paid-in Capital [Member] Adjustments to reconcile net income to net cash provided by operating activities: Share-based compensation expense APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Expense incurred Accounts receivable, allowance Impairment loss on accounts receivable Amortization of intangible assets Amortization of Intangible Assets Cash limit for dividends, distributions and redemption on equity Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Total potentially dilutive shares excluded (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Total assets ASSETS Assets [Abstract] Operating and Finance Leases included in Consolidated Balance Sheets [Abstract] Assets and Liabilities, Lessee [Abstract] Total assets Assets Net assets Net Assets Net Assets Total current assets Current assets Noncurrent assets Current assets: Unrealized gains Unrealized losses Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Available-for-sale [Abstract] Amortized cost Debt Securities, Available-for-Sale, Amortized Cost Carrying value Balance Sheet Location [Domain] Balance Sheet Location [Axis] Buildings and Improvements [Member] Buildings and Improvements [Member] Accruals for property, plant and equipment purchased during year Impairment loss on contract assets Capitalized Contract Cost, Impairment Loss Cash and cash equivalents Cash and cash equivalents at end of year Cash, cash equivalents, and restricted cash at end of year Cash, cash equivalents, and restricted cash at beginning of year Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Net increase (decrease) in cash, cash equivalents, and restricted cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Restricted Cash Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Change in Contract with Customer, Liability [Abstract] Class of Treasury Stock [Table] COMMITMENTS AND CONTINGENCIES [Abstract] Commitments and contingencies COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Common Stock [Member] Common stock, par value (in dollars per share) Common stock, $0.01 par value, 150,000 shares authorized, 60,791 shares issued and outstanding at October 31, 2022, and 60,024 shares issued and outstanding at October 31, 2021 Common Stock, Value, Issued Common stock, shares issued (in shares) Common stock, shares authorized (in shares) Common stock, shares outstanding (in shares) EMPLOYEE RETIREMENT PLANS [Abstract] Classification [Abstract] Less: comprehensive income attributable to noncontrolling interests Comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive (loss) income attributable to Photronics, Inc. shareholders Comprehensive Income (Loss), Net of Tax, Attributable to Parent RISKS AND CONCENTRATIONS Concentration Risk Disclosure [Text Block] Concentration Risk Type [Axis] Concentration Risk [Line Items] Concentration Risk Type [Domain] Concentration Risk Benchmark [Domain] Customer's percentage of net accounts receivable/revenue Concentration Risk [Table] Concentration Risk Benchmark [Axis] Geographical Areas [Abstract] Variable Interest Entities Consolidation, Variable Interest Entity, Policy [Policy Text Block] Consolidation Construction in Progress [Member] Contract liabilities Contract with Customer, Liability, Current Contract liabilities Contract assets Contract with Customer, Asset, after Allowance for Credit Loss, Current Revenue recognized from beginning liability Contract with Customer, Liability, Revenue Recognized Contract Balances Contract with Customer, Asset and Liability [Abstract] Contract assets 2027 Contractual Obligation, to be Paid, Year Five 2024 Contractual Obligation, to be Paid, Year Two Thereafter Contractual Obligation, to be Paid, after Year Five 2026 Contractual Obligation, to be Paid, Year Four 2025 Contractual Obligation, to be Paid, Year Three Unrecognized Commitments [Abstract] 2023 Contractual Obligation, to be Paid, Year One Total Contractual Obligation Depreciation expense Depreciation expense [Abstract] Cost of goods sold Cost of Goods and Services Sold Cost of Goods Sold [Member] State Federal Foreign Current income tax provision Current Income Tax Expense (Benefit) Current [Abstract] Customer Concentration Risk [Member] Disaggregation of Revenue Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Abstract] Disaggregation of Revenue [Table] Debt Securities, Available-for-Sale [Table] Collateral amount Loan collateral (carrying amount) Early buyout option to purchase tool Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid Available-for-Sale Debt Securities Term of loan Debt Instrument, Term Basis spread on interest rates DEBT [Abstract] Amount outstanding Schedule of Long-term Debt Instruments [Table] DEBT Debt Disclosure [Text Block] Debt Instrument [Axis] Periodic payment frequency Debt Instrument [Line Items] Interest rate at balance sheet date Effective interest rate Debt Instrument, Interest Rate, Effective Percentage Finance lease monthly payments Debt Instrument, Periodic Payment Debt Instruments [Abstract] Debt Instrument, Name [Domain] Maturity date Periodic payment amount Debt Instrument, Payment Terms Uncertain tax positions that may be resolved over next twelve months Other liabilities Deferred Income Tax Liabilities, Net Deferred income taxes Deferred income tax assets Property, plant and equipment Deferred Tax Assets, Property, Plant and Equipment Deferred Income Tax Assets [Abstract] Federal Deferred Federal Income Tax Expense (Benefit) Foreign Deferred Foreign Income Tax Expense (Benefit) Deferred income taxes liabilities Deferred Tax Liabilities, Gross Deferred [Abstract] Deferred income tax provision Deferred income taxes Net deferred income tax assets Deferred Tax Assets, Net State Deferred State and Local Income Tax Expense (Benefit) Net Deferred Income Tax Assets [Abstract] Deferred tax assets net of valuation allowance Deferred Tax Assets, Net of Valuation Allowance Deferred tax assets Deferred Tax Assets, Gross Operating Loss Carryforward [Abstract] Deferred Tax Assets, Operating Loss Carryforwards, Components [Abstract] Net operating losses Other Deferred Tax Assets, Other Share-based compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-Based Compensation Cost Tax credit carryforwards Reserves not currently deductible Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Reserves Deferred Income Tax Liabilities [Abstract] Valuation allowances Deferred Tax Assets, Valuation Allowance Other Deferred Tax Liabilities, Other Maximum percentage of employees' gross pay that Company will match Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay Maximum percentage of employees' contributions that Company will match Defined Contribution Plan, Employer Matching Contribution, Percent of Match Percentage of salary that can be contributed by the employee Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent Company's contribution to defined contribution retirement plans Defined Contribution Plan, Cost Depreciation and amortization of property, plant and equipment Depreciation, Depletion and Amortization Effect of dilutive securities SHARE-BASED COMPENSATION Share-Based Payment Arrangement [Text Block] SHARE-BASED COMPENSATION [Abstract] Federal [Member] Calculation of Basic and Diluted Earnings Per Share [Abstract] Earnings Per Share Reconciliation [Abstract] Earnings Per Share Basic (in dollars per share) Basic earnings per share (in dollars per share) Diluted (in dollars per share) Diluted earnings per share (in dollars per share) Earnings Per Share, Diluted EARNINGS PER SHARE Earnings Per Share [Text Block] Earnings per share: EARNINGS PER SHARE [Abstract] Effects of exchange rate changes on cash, cash equivalents, and restricted cash U.S. statutory tax rates Photronics effective tax rates Unrecognized compensation cost Estimated Expenses Not Yet Incurred [Abstract] Employee Stock Option [Member] Stock Options [Member] Compensation cost not yet recognized Weighted-average amortization period (in years) Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Share-based compensation cost capitalized Share-Based Payment Arrangement, Amount Capitalized Income tax benefits of share-based compensation Employee Stock Purchase Plan [Member] Compensation cost not yet recognized Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Compensation related expenses Employee-related Liabilities, Current Equity Component [Domain] Equity, Class of Treasury Stock [Line Items] Fair Value Financial Instruments Fair Value Measurement, Policy [Policy Text Block] FAIR VALUE MEASUREMENTS [Abstract] Fair Value, Assets and Liability [Abstract] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract] FAIR VALUE MEASUREMENTS Fair Value Disclosures [Text Block] Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] 2024 Finance Lease, Liability, to be Paid, Year Two Finance Lease Liability, Noncurrent Finance Lease, Liability, Current, Statement of Financial Position [Extensible List] Finance leases, Weighted-average discount rate Total lease payments Finance Lease, Liability, to be Paid Imputed interest Finance Lease, Liability, Undiscounted Excess Amount Future Lease Payments Under Noncancelable Finance Leases [Abstract] 2025 Finance Lease, Liability, to be Paid, Year Three Finance lease, Right-of-use asset [Abstract] Finance Lease, Right-of-Use Asset, after Accumulated Amortization [Abstract] Operating cash flows used for finance leases ROU Assets - Finance Leases Finance lease, right-of-use asset, net Finance Lease, Right-of-Use Asset, after Accumulated Amortization 2026 Finance Lease, Liability, to be Paid, Year Four Finance leases, Weighted-average remaining lease term 2027 Finance Lease, Liability, to be Paid, Year Five Accumulated amortization Finance Lease, Right-of-Use Asset, Accumulated Amortization Amortization of ROU assets Financing cash flows used for finance leases Finance lease liabilities Lease Liabilities - Finance Leases Finance lease amount Finance lease, right-of-use asset, gross Interest on finance lease Finance Lease Liability, Current Finance Lease Liability [Abstract] 2023 Finance Lease, Liability, to be Paid, Year One Financial Instrument [Axis] Intangible Assets [Abstract] Finite-Lived Intangible Assets, Gross [Abstract] Finite-Lived Intangible Assets [Line Items] Estimated useful lives Finite-Lived Intangible Asset, Useful Life Foreign currency transactions' impacts, net Foreign [Member] Foreign Currency Translation Furniture, Fixtures and Office Equipment [Member] Furniture, Fixtures and Office Equipment [Member] Other operating (loss) income, net Gain on trade-in of lithography tool Gain (Loss) on Disposition of Property Plant Equipment Gross profit Gross Profit Impairment of Long-Lived Assets Income Statement Location [Axis] INCOME TAXES [Abstract] Income before income tax provision Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income Statement Location [Domain] Income Tax Authority [Axis] United States Foreign Income (Loss) from Continuing Operations before Income Taxes, Foreign INCOME TAXES Income Tax Disclosure [Text Block] Consolidated Statements of Income [Abstract] Income Tax Authority [Domain] Income tax provision, Total Income tax provision Income Tax Expense (Benefit) Changes in valuation allowances Income Tax Provision Reconciliation [Abstract] Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract] Income Tax Provision [Abstract] U.S. federal income tax at statutory rate Other, net Foreign tax rate differentials Uncertain tax positions, including reserves, settlements and resolutions Income Taxes Interest and Penalties Related to Uncertain Tax Positions Tax credits Effective Income Tax Rate Reconciliation, Tax Credit, Amount Income Tax Uncertainties [Abstract] Income tax holiday Effective Income Tax Rate Reconciliation, Tax Holiday, Amount Income taxes paid Income Tax Payments and Refunds [Abstract] Other current assets Increase (Decrease) in Other Current Assets Accounts receivable Increase (Decrease) in Accounts Receivable Accounts payable, accrued liabilities, and other Inventories Increase (Decrease) in Inventories Changes in assets and liabilities: Share-based payment awards (in shares) Intangible Assets Interest Paid [Abstract] Interest Paid, Including Capitalized Interest, Operating and Investing Activities [Abstract] Capitalized interest Interest payments Finished goods Inventories Inventories Inventories Inventory, Net Inventories [Abstract] Raw materials Work in process Investments Investments [Abstract] LEASES Lessee, Operating Leases [Text Block] Finance lease contract term Leases Lessee, Leases [Policy Text Block] 2027 2024 Lessee, Operating Lease, Liability, to be Paid, Year Two 2026 2023 Lessee, Operating Lease, Liability, to be Paid, Year One 2025 Lessee, Operating Lease, Liability, to be Paid, Year Three Imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Lessee, Lease, Description [Table] Finance Leases [Abstract] Lessee, Lease, Description [Line Items] Total lease payments Lessee, Operating Lease, Liability, to be Paid Finance lease interest implicit rate Land [Member] Lease, Cost [Abstract] Lease Costs Lease Contractual Term [Axis] Lease Contractual Term [Domain] Leasehold Improvements [Member] LEASES [Abstract] Total liabilities LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Total liabilities and equity Liabilities and Equity Total liabilities Liabilities Noncurrent liabilities Total current liabilities Current liabilities Current liabilities: Current borrowing capacity Expiration date Maximum borrowing capacity Long-Lived Assets by Geographic Area Long-term debt [Abstract] Long-Term Debt, Fiscal Year Maturity [Abstract] Current portion of long-term debt Long-Term Debt, Current Maturities Long-term debt Long-term debt Long-Term Debt, Excluding Current Maturities Thereafter Long-Term Debt, Maturity, after Year Five Next 12 months Long-Term Debt, Maturity, Year One Months 49 - 60 Months 37 - 48 Long-Term Debt, Maturity, Year Four Months 25 - 36 Long-Term Debt, Maturity, Year Three Months 13 - 24 Long-Term Debt, Maturity, Year Two Machinery and Equipment [Member] Machinery and Equipment [Member] SUBSIDIARY DIVIDENDS Noncontrolling Interest [Line Items] Repurchase of common stock of subsidiary Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Noncontrolling Interest [Table] Noncontrolling interests Ownership percentage of noncontrolling interests Dividends to noncontrolling interest Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Long-lived Assets Long-Lived Assets Cash flows from financing activities: Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Earnings used for diluted earnings per share Net Income (Loss) Attributable to Parent, Diluted Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities Cash flows from investing activities: Cash flows from operating activities: Net income attributable to Photronics, Inc. shareholders Net income attributable to Photronics, Inc. shareholders Net income attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest RECENT ACCOUNTING PRONOUNCEMENTS [Abstract] RECENT ACCOUNTING PRONOUNCEMENTS Accounting Standards Update and Change in Accounting Principle [Text Block] Recent Accounting Pronouncements Non-operating income (expense): SUBSIDIARY DIVIDENDS [Abstract] Contribution from noncontrolling interest Noncontrolling Interest, Increase from Subsidiary Equity Issuance Non-Controlling Interests [Member] Noncontrolling Interest [Member] Operating leases, Weighted-average discount rate Operating Lease, Weighted Average Discount Rate, Percent Operating leases, Weighted-average remaining lease term Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] Operating Lease Liability, Noncurrent Operating Lease Liability - Current Operating Lease Liability [Abstract] Future Lease Payments Under Noncancelable Operating Leases [Abstract] Lessee, Operating Lease, Liability, to be Paid [Abstract] Operating lease liabilities Lease Liabilities - Operating Leases Operating Lease, Liability ROU Assets - Operating Leases Operating Lease, Right-of-Use Asset Operating cash flows used for operating leases Rent expense under operating leases Operating Lease, Expense Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] Expiration periods Operating lease costs Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] Operating income Operating Income (Loss) Operating expenses: Total operating expenses Operating Expenses Operating Loss Carryforwards [Line Items] Operating loss carryforwards amount Operating Loss Carryforwards [Table] PDMCX JOINT VENTURE [Abstract] Accrued Liabilities Other comprehensive (loss) income Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Other Current Assets [Member] Foreign currency translation adjustments Net other comprehensive (loss) income Other comprehensive (loss) income Other Comprehensive Income (Loss), Net of Tax OTHER CURRENT ASSETS Other Current Assets [Text Block] Other Other Assets, Miscellaneous, Current CHANGES IN ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME BY COMPONENT Other Comprehensive Income, Noncontrolling Interest [Text Block] Other assets Other Assets, Noncurrent Total other current assets Other current assets Other Assets, Current Other comprehensive (loss) income, tax Other comprehensive income (loss), tax Other comprehensive (loss) income, net of tax of $0: Other Comprehensive Income (Loss), Net of Tax [Abstract] Other liabilities Other Liabilities, Noncurrent Interest income and other income, net Other Nonoperating Income (Expense) Short-term obligation Other Short-Term Borrowings Other Liabilities [Member] Other Other comprehensive loss (income) attributable to noncontrolling interests Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest Other Payments for (Proceeds from) Other Investing Activities Dividends paid to noncontrolling interests Dividend paid to noncontrolling interest Purchases of treasury stock Payments for Repurchase of Common Stock Purchases of intangible assets Payments to Acquire Intangible Assets Purchases of available-for-sale debt securities Payments to Acquire Debt Securities, Available-for-Sale Purchases of property, plant and equipment Payments to Acquire Property, Plant, and Equipment EMPLOYEE RETIREMENT PLANS Retirement Benefits [Text Block] Preferred stock, shares issued (in shares) Preferred stock, par value (in dollars per share) Preferred stock, shares authorized (in shares) Preferred stock, $0.01 par value, 2,000 shares authorized, none issued and outstanding Preferred stock, shares outstanding (in shares) Prepaid expenses Prepaid Expense, Current OTHER CURRENT ASSETS [Abstract] Reclassifications Proceeds from long-term debt Income tax refunds received Contributions from noncontrolling interests Proceeds from share-based arrangements Cash received from options exercises Net income Net income Estimated useful lives Property, Plant and Equipment, Useful Life PROPERTY, PLANT AND EQUIPMENT, NET Property, Plant and Equipment Disclosure [Text Block] Property, Plant and Equipment [Line Items] Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Property, Plant and Equipment, Type [Axis] PROPERTY, PLANT AND EQUIPMENT, NET [Abstract] Property, Plant and Equipment [Abstract] Property, plant and equipment, net Property, plant and equipment, net Property, Plant and Equipment, Net Property, plant and equipment, gross Property, Plant and Equipment Property, Plant and Equipment, Type [Domain] Property, plant and equipment [Abstract] Property, Plant and Equipment, Net, by Type [Abstract] Commitments for purchase of capital equipment ROU assets obtained in exchange for operating lease obligations ROU assets obtained in exchange for finance lease obligations Accounts Receivable and Allowance for Credit Losses Changes in Accumulated Other Comprehensive Income [Roll Forward] AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] Unrecognized Tax Benefits [Abstract] RELATED PARTY TRANSACTIONS [Abstract] Related Party Transaction [Line Items] RELATED PARTY TRANSACTIONS Related Party Transactions Disclosure [Text Block] Repayments of debt Repayments of Debt Repayment of long term debt Research and development Research and Development Expense Federal Research and Development [Member] Research Tax Credit Carryforward [Member] Research and Development [Member] Research and Development Restricted Stock [Member] Restricted Cash [Abstract] Restricted Cash [Abstract] Less: Ending restricted cash Restricted cash Restricted Cash Retained earnings Retained Earnings [Member] Retained Earnings [Member] Revenue Revenue Revenue, Performance Obligation [Abstract] REVENUE Revenue from Contract with Customer [Text Block] Revenue Recognition [Abstract] REVENUE [Abstract] Revenue Recognition RISKS AND CONCENTRATIONS [Abstract] Expected to vest Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Contractual term Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period Percent of market price that participants pay for shares subscribed Share-Based Compensation Arrangement by Share-Based Payment Award, Purchase Price of Common Stock, Percent Exercisable at end of period Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value Exercisable at end of period Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Outstanding at end of period Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Revenue [Member] Reconciliation of Beginning and Ending Amounts of Unrecognized Tax Benefits Restricted Stock Awards Activity Other Current Assets Schedule of Other Current Assets [Table Text Block] Stock Options Activity Additional Information on Stock Option Awards Calculation of Basic and Diluted Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Income Before Income Tax Provision for Domestic and Foreign Inventories Schedule of Inventory, Current [Table Text Block] Income Tax Provision Income Tax Rate Reconciliation Long-term Debt Schedule of Debt [Table Text Block] Schedule of Finite-Lived Intangible Assets [Table] Net Deferred Income Tax Assets Debt Securities, Available-for-Sale [Line Items] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Outstanding Securities Excluded from Calculation of Diluted Earnings or Loss Per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Changes in Accumulated Other Comprehensive (Loss) Income by Component Share-based Compensation Expenses Schedule of Related Party Transactions, by Related Party [Table] Property, Plant and Equipment [Table] Shares Repurchase Programs Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Variable Interest Entities [Table] Carrying Amounts and Exposure to Loss Related to Assets and Liabilities Concentration of Risk Factor Selling, General and Administrative [Member] Selling, general and administrative Cancelled (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Award vesting period Granted (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Weighted-Average Fair Value at Grant Date [Abstract] Exercised (in dollars per share) Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Additional Information on Restricted Stock Awards Share Repurchase Program [Axis] Share Repurchase Program [Domain] Weighted-Average Exercise Price [Abstract] Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Shares [Rollforward] Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Share-based Compensation [Abstract] Share-Based Payment Arrangement, Disclosure [Abstract] Outstanding at end of period (in dollars per share) Outstanding at beginning of period (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Cancelled (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Share-based compensation Outstanding at end of period (in shares) Outstanding at beginning of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Granted (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Restricted Stock, additional disclosures [Abstract] Stock Options [Abstract] Options Exercised [Abstract] Vested (in dollars per share) Exercisable at end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Total intrinsic value of options exercised Fair value of awards for which restrictions lapsed Exercisable at end of period (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Maximum number of shares of common stock that may be issued (in shares) Expected to vest Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Outstanding at end of period Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Expected to vest (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Outstanding at beginning of period (in shares) Outstanding at end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Outstanding at end of period (in dollars per share) Outstanding at beginning of period (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Cancellations, forfeitures, and adjustments (in dollars per share) Shares [Roll Forward] Expected to vest (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Equity Award [Domain] Expense reported in [Abstract] Share-Based Compensation Share-Based Payment Arrangement [Policy Text Block] Balance (in shares) Balance (in shares) Shares, Outstanding Short-term lease costs Short-term investments SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Significant Accounting Policies [Text Block] State [Member] State and Local Jurisdiction [Member] Condensed Consolidated Balance Sheets [Abstract] Consolidated Statements of Comprehensive (Loss) Income [Abstract] Equity Components [Axis] Statement [Line Items] Condensed Consolidated Statements of Cash Flows [Abstract] Statement [Table] Condensed Consolidated Statements of Equity [Abstract] Stock repurchased authorized amount Stock repurchase program - termination date Stock Repurchase Program Expiration Date Share-based Payment Awards [Member] Share-Based Payment Arrangement [Member] Amount remaining under authorization for purchase of additional shares Stock Repurchase Program, Remaining Authorized Repurchase Amount Shares issued under equity plans Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Shares issued under equity plans (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Total Photronics, Inc. shareholders' equity Beginning Balance Ending Balance Stockholders' Equity Attributable to Parent Equity: Total equity Balance Balance Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Tax Credit Carryforwards Summary of Tax Credit Carryforwards [Table Text Block] Operating Loss Carryforwards Summary of Operating Loss Carryforwards [Table Text Block] Supplemental disclosure of non-cash information: At a Point in Time [Member] Over Time [Member] Timing of Transfer of Good or Service [Axis] Timing of Transfer of Good or Service [Domain] Tax credit carryforward amount Tax Credit Carryforward, Amount Expiration period Tax Credit Carryforward, Expiration Date Tax Credit Carryforward, Name [Domain] Tax Credit Carryforward [Axis] Financial Instruments [Domain] SHARE REPURCHASE PROGRAMS Treasury Stock [Text Block] Retirement of treasury stock Treasury Stock, Retired, Cost Method, Amount SHARE REPURCHASE PROGRAMS [Abstract] Share Repurchase Program [Abstract] Purchase of treasury stock (in shares) Treasury Stock, Shares, Acquired Treasury Stock [Member] Treasury Stock [Member] Number of shares repurchased (in shares) Retirement of treasury stock (in shares) Treasury Stock, Shares, Retired Average price paid per share (in dollars per share) Cost of shares repurchased Purchase of treasury stock Treasury Stock, Value, Acquired, Cost Method Accrued interest and penalties related to uncertain tax positions Interest and penalties Settlements Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities (Reductions) additions of tax positions in prior years Reductions for tax positions in prior years Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Lapses of statutes of limitations Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Additions based on current year tax positions Unrecognized tax benefits that, if recognized, would impact the effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Balance at beginning of year before interest and penalties Balance at end of year before interest and penalties Unrecognized Tax Benefits Unremitted Earnings in Foreign Investment Estimates and Assumptions Government Securities [Member] Recoverable value added taxes Value Added Tax Receivable, Current Net Income (Loss) from Operations [Abstract] Variable lease costs PDMCX JOINT VENTURE Variable Interest Entity Disclosure [Text Block] Net income (loss) from PDMCX Variable Interest Entity, Measure of Activity, Operating Income or Loss DNP [Member] Ownership percentage Photronics Interest [Member] Photronics Interest [Member] Variable Interest Entity, Primary Beneficiary [Member] Variable Interest Entity [Line Items] Diluted (in shares) Weighted-average common shares used for diluted earnings per share (in shares) Basic (in shares) Weighted-average common shares used for basic earnings per share (in shares) Potentially dilutive common shares (in shares) Weighted Average Number of Shares Outstanding, Diluted, Adjustment Weighted-average number of common shares outstanding: Weighted-average Common Shares Computations [Abstract] Effect of Dilutive Securities [Abstract] Weighted Average Number of Shares Outstanding, Diluted, Adjustment [Abstract] Consolidated Entities [Axis] Consolidated Entities [Domain] Unrecognized Commitments Europe [Member] Customer [Axis] Maximum [Member] Minimum [Member] Customer [Domain] Ownership [Domain] Ownership [Axis] Products and Services [Domain] Products and Services [Axis] Statistical Measurement [Axis] Statistical Measurement [Domain] Net Income (Loss) Recorded from Operations Geographical [Domain] Geographical [Axis] China [Member] China [Member] Korea [Member] Korea [Member] Taiwan [Member] Taiwan [Member] United States [Member] Cover [Abstract] Document Type Document Annual Report Document Transition Report Entity Interactive Data Current Amendment Flag ICFR Auditor Attestation Flag Document Fiscal Year Focus Document Fiscal Period Focus Document Period End Date Entity Registrant Name Entity Central Index Key Entity File Number Entity Tax Identification Number Entity Incorporation, State or Country Code Current Fiscal Year End Date Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Shell Company Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Public Float Entity Address, Address Line One Entity Address, City or Town Entity Address, State or Province Entity Address, Postal Zip Code City Area Code Local Phone Number Title of 12(b) Security Trading Symbol Security Exchange Name Entity Common Stock, Shares Outstanding Auditor Name Auditor Location Auditor Firm ID The cash inflow from government incentives during the period. Proceeds From Government Incentives Government incentives Amount of cash inflow from the net settlement of restricted stock awards. Net Settlements of Restricted Stock Awards Net settlements of restricted stock awards Represents the number of months of service completed to come under retirement plans. Number of months of service completed Number of months of service completed to come under retirement plan Represents the minimum age of employees to come under retirement plan. Minimum age of employees to come under retirement plan Minimum age of employees to come under retirement plan Tabular disclosure of unrecognized tax benefits. Schedule Of Unrecognized Tax Benefits [Table Text Block] Unrecognized Tax Benefits Tabular disclosure of income taxes paid and refunds. Schedule of Income Taxes Paid and Refunds [Table Text Block] Income Tax Payments and Refunds Tax Credit Carryforward [Abstract] The gross amount of unrecognized tax benefits, plus accrued penalties and interest, pertaining to uncertain tax positions taken in tax returns as of the balance sheet date. Unrecognized Tax Benefits including interest and penalties Balance at end of year including interest and penalties Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from lease liability. Deferred Tax Assets, Lease Liability Lease liabilities Amount of deferred tax liability attributable to taxable temporary differences from right-of-use assets. Deferred Tax Liabilities, Right-of-use Asset ROU assets Components Of Income Before Income Tax Provision [Abstract] Components of Income Before Income Tax Provision [Abstract] Net of tax amount of the appreciation (loss) for other adjustments. Other Comprehensive Income (Loss), Other Adjustments, Net of Tax Other The September 2020 announced program. September 2020 Announced Program [Member] The August 2019 announced program. August 2019 Announced Program [Member] Shares repurchased as part of a share repurchase program. Share Repurchase Programs [Member] Date when authorized share repurchase program commenced, in CCYY-MM-DD format. Stock Repurchase Program Commencement Date Stock repurchase program - commencement date Amount represents interest and debt expense, net of subsidies received. Interest Expense, Net of Subsidies Interest expense, net of subsidies Variable Interest Entity [Abstract] Variable Interest Entities [Abstract] Number of consecutive months an investor's ownership can be below 20% before an option to put or purchase the investor's ownership interest may be exercised, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Number of Consecutive Months Ownership Interest may Fall Below Twenty Percent For Put or Purchase Options to be Exercised Period before put or purchase option can be exercised The period of time that must elapse after the formation of the VIE before an interest holder may put their interest, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Term After Which Ownership Interest May Be Put Term from inception after which interest holder may put their interest in the VIE Refers to minimum number of business days for obtaining required approvals and clearance for exiting party from the agreement, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Number of Business Days for Obtaining Required Approvals and Clearance for Exiting Party Number of business days for obtaining required approvals and clearance for exiting party The joint venture. Photronics and DNP [Member] The joint venture. PDMCX [Member] Carrying Amount [Member] Variable Interest Entity, Consolidated, Carrying Amount, Assets, Liabilities [Abstract] Carrying amounts of assets and liabilities [Abstract] Disclosure of accounting policy for treasury stock valuation, including method of recording repurchases (cost or par value method) and method for valuing subsequent resale. Treasury Stock [Policy Text Block] Treasury Stock Disclosure of accounting policy for government grants. Government Grants [Policy Text Block] Government Grants Disclosure of accounting policy for consolidation to describe the significant judgments and assumptions made in determining whether a variable interest held by the entity requires the variable interest entity to be consolidated and (or) disclose information about its involvement with the variable interest entity; the methodology used by the entity for determining whether or not it is the primary beneficiary of the variable interest entity; and the significant factors considered and judgments made in determining that the power to direct the activities that significantly impact the economic performance of the variable interest entity are shared (as defined). Consolidation, Joint Venture Variable Interest Entity, Policy [Policy Text Block] Variable Interest Entities Represents one of the products of the entity. Integrated Circuits [Member] IC [Member] Represents one of the products of the entity. Flat Panel Displays [Member] FPD [Member] Backlog Of Orders [Abstract] Backlog of Orders [Abstract] Period in which customer order is expected to be fulfilled, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Customer orders, Expected Timing of Satisfaction, Period Customer order, expected satisfaction period The term of the product invoiced for payment settlement, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Product Invoice Term Product invoice term Product Warranty [Abstract] Represents the period of warranty coverage of products sold, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Period of warranty Product warranty period Period in which customer order is extended to be fulfilled, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Customer orders, Extended Timing of Satisfaction, Period Customer order, extended satisfaction period Represents a customer of the Company. Customer B [Member] Customer B [Member] Represents a customer of the Company. Customer A [Member] Customer A [Member] Customer Account [Abstract] Customer Account [Abstract] The continent of Europe and other areas. Europe and Other [Member] Europe and Other [Member] Related Party Agreement [Abstract] Related Party Agreement [Abstract] Represents a major customer of the Company. Major customer 1 [Member] Customer One [Member] Disclosure of accounting policy for Employee Stock Purchase Plan. Employee Stock Purchase Plan [Policy Text Block] Employee Stock Purchase Plan The amount of prepaid and refundable income taxes classified as current. Prepaid and Refundable Income Taxes Prepaid and refundable income taxes The cumulative number of shares that have been issued since the inception of the Company's employee stock purchase plan. Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Cumulative Shares Issued Total shares issued since inception (in shares) The weighted-average fair value at grant date of restricted stock that is expected to vest. Share based Compensation Arrangement by Share based Payment Award, Equity Instruments Other Than Options, Expected to Vest, Weighted Average Grant Date Fair Value Expected to vest (in dollars per share) The number as of the balance sheet date of outstanding restricted stock awards that are expected to vest. Share based Compensation Arrangement by Share based Payment Award, Equity Instruments Other than Options, Expected to Vest Expected to vest (in shares) Stock options activity [Abstract] Stock options [Abstract] Share based Compensation Arrangement by Share based Payment Award Options Weighted Average Remaining Contractual Term [Abstract] Weighted-Average Remaining Contractual Life [Abstract] Share based Compensation Arrangement by Share based Payment Award, Options, Aggregate Intrinsic Value [Abstract] Aggregate Intrinsic Value [Abstract] The number of shares under options that were cancelled, forfeited, or adjusted during the reporting period. Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Cancellations, Forfeitures and Adjustments in Period Cancellations, forfeitures, and adjustments (in shares) Noncontrolling Interest Disclosure [Abstract] Noncontrolling Interest [Abstract] The Company's IC manufacturing plant in Taiwan. Photronics DNP Mask Corporation (PDMC) [Member] PDMC [Member] Amount of expenses incurred, but not yet billed, for operating leases, due within one year or the normal operating cycle, if longer. Accrued Operating Leases, Current Operating leases Amount of expenses incurred, but not yet billed, for property, plant and equipment, due within one year or the normal operating cycle, if longer. Accrued Property, Plant, and Equipment, Current Property, plant, and equipment Changes to accumulated other comprehensive income including portion attributable to non-controlling interest resulting from other. Accumulated Other Comprehensive Income Including Portion Attributable to Noncontrolling Interest Other [Member] Other [Member] Changes to accumulated other comprehensive income attributable to non-controlling interest resulting from other. Accumulated Other Comprehensive Income Attributable to Noncontrolling Interest Other [Member] Other [Member] Changes to accumulated comprehensive income resulting from other. Accumulated Other Comprehensive Income Other [Member] Other [Member] The percent of repayment on original approved loan amount in each last five semiannual loan repayments. Percent of repayment on original approved loan amount in each last five semiannual loan repayments Percent of repayment on original approved loan amount in each last five semiannual loan repayments Long Term Debt Maturing In Year One [Abstract] The percent of repayment on approved loan principal in each first five semiannual loan repayments. Percent of repayment on approved loan principal in each first five semiannual loan repayments The obligation for lease payments from finance lease. Finance Lease [Member] Finance Leases [Member] Written promise to pay a note which can be exchanged for a specified quantity of securities (typically common stock), at the option of the issuer or the holder. Working Capital Loan [Member] Xiamen Working Capital Loans [Member] Written promise to pay a note which can be exchanged for a specified quantity of securities (typically common stock), at the option of the issuer or the holder. Project Loan [Member] Xiamen Project Loans [Member] A lease agreement which enables to request advance payments or other funds for equipment or enter into an equipment lease. Hefei Equipment Loan [Member] Hefei Equipment Loan [Member] Average Lease Terms, Discount Rates and Leases Not Yet Commenced [Abstract] Weighted Average Remaining Lease Terms, Discount Rates [Abstract] Cash and Non-cash Information Related to Leases [Abstract] Cash and Non-cash Information Related to Leases [Abstract] Finance lease monthly payments for the following nine months period. Following Nine Months [Member] Following Nine Months [Member] Finance lease monthly payment for three months period. First Three Months [Member] First Three Months [Member] Finance lease monthly payments. Monthly [Member] Finance lease monthly payments for the following thirty six months period. Followed by Thirty Six Months [Member] Forty Eight Months [Member] Committed balance outstanding for cross default provision for any agreement or instrument. Outstanding Committed Balance for Cross Default Provision Outstanding committed balance for cross default provision Refers to the $7.2 million finance lease. 7.2 Million Finance Lease [Member] $7.2 Million Finance Lease [Member] Refers to the $35.5 million finance lease. 35.5 Million Finance Lease [Member] $35.5 Million Finance Lease [Member] Number of lithography tools purchased from proceeds of credit agreement. Number of Lithography Tools Purchased Number of lithography tools purchased Tabular disclosure of lessee's cash paid for operating leases and ROU assets obtained in exchange for operating lease liabilities. Cash and Non-cash Information Related to Leases [Text Block] Cash and Non-cash Information Related to Leases Tabular disclosure of undiscounted cash flows of lessee's operating and finance lease liability. Future Lease Payments under Noncancelable Operating and Finance Leases [Table Text Block] Future Lease Payments under Noncancelable Operating and Finance Leases Tabular disclosure of lessee's weighted-average remaining lease term and weighted-average discount rate. Lessee, Operating Lease, Weighted Average Remaining Lease Term, Discount Rate [Text Block] Weighted-Average Remaining Lease Terms And Weighted-Average Discount Rates Tabular disclosure of balance sheet information related to leases. Information on Operating and Finance Leases Included in Consolidated Balance Sheets [Table Text Block] Information on Operating and Finance Leases Included in Consolidated Balance Sheets The member represents to amended and restated credit agreement. Amended and Restated Credit Agreement [Member] Corporate Credit Agreement [Member] Represents the classification of products by performance. High-end Integrated Circuits [Member] High-end [Member] Represents the classification of products by performance. Mainstream Integrated Circuits [Member] Mainstream [Member] Represents the classification of products by performance. Mainstream Flat Panel Displays [Member] Mainstream [Member] Represents the classification of products by performance. High-end Flat Panel Displays [Member] High-end [Member] Represents one of the geographical areas where entity's activities take place. Other [Member] Other [Member] Project Loans [Abstract] Antidilutive Securities [Abstract] Tabular disclosure of right-of-use assets resulting from finance leases. Finance Lease Right of use Assets [Table Text Block] Information on ROU Assets from Finance Leases Tabular disclosure of depreciation expense including the amortization of right of use assets. Depreciation and Amortization Expense [Table Text Block] Depreciation Expense Describes the operating facilities of the reporting entity by geographical region. Manufacturing Facilities by Geographical Region [Table] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Manufacturing Facilities By Geographical Region [Line Items] Manufacturing Facilities [Abstract] This line item represents the number of manufacturing facilities of the entity. Number of manufacturing facilities Number of manufacturing facilities Commitment and Contingencies [Abstract]