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Theater Access Fees Net Of Beverage Revenues And Other Encumbered Theaters Payments Theater Access Fees Net Of Beverage Revenues And Other Encumbered Theaters Payments Theater access fees net of beverage revenues and other encumbered theaters payments. Finite-Lived Intangible Assets, Accumulated Amortization Accumulated amortization, beginning balance Accumulated amortization, ending balance Finite-Lived Intangible Assets, Accumulated Amortization Memorandum Of Understanding To Effectuate Aspects Of Final Judgment Memorandum Of Understanding To Effectuate Aspects Of Final Judgment [Member] Memorandum of understanding to effectuate aspects of Final Judgment. 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Entity Tax Identification Number Entity Tax Identification Number Percentage of increase in payment per digital screen and digital cinema equipment Percentage Of Increase In Payment Per Digital Screen And Digital Cinema Equipment Percentage of increase in payment per digital screen and digital cinema equipment. Payment terms Revenue, Performance Obligation, Payment Terms Revenue, Performance Obligation, Payment Terms Lease, Cost Lease, Cost Capitalized share-based compensation expense Share-Based Payment Arrangement, Amount Capitalized Regional Advertising Revenue [Member] Regional Advertising Revenue [Member] Regional Advertising Revenue [Member] Range Range [Axis] Statistical Measurement [Axis] Entity Interactive Data Current Entity Interactive Data Current Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Schedule of Available-for-sale Securities [Table] Debt Securities, Available-for-Sale [Table] Noncancelable contract terms Noncancelable Contract Terms Noncancelable contract terms. 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Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] 2018 Finite-Lived Intangible Asset, Expected Amortization, Year One Common stock, shares outstanding (in shares) Balance, (in shares) Balance, (in shares) Common Stock, Shares, Outstanding Tax Year 2021 Tax Year 2021 [Member] Other Investments Other Investments Cash Contributed In Acquisition Cash Contributed In Acquisition Cash Contributed In Acquisition AuditorLocation Auditor Location Employee Benefit Plans Retirement Benefits [Text Block] Total non-current assets Assets, Noncurrent Assets, Noncurrent Debt Covenant Period [Domain] Debt Covenant Period [Domain] [Domain] for Debt Covenant Period [Axis] Other Operating Activities, Cash Flow Statement Other Operating Activities, Cash Flow Statement On-screen advertising time which founding members have right to purchase, in seconds Length Of On Screen Advertising Time Which Founding Members Have Right To Purchase Length of on-screen advertising time which founding members have a right to purchase State and local income taxes, net of federal benefit Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Common stock, par value (in usd per share) Common Stock, Par or Stated Value Per Share Payment To Founding Members Under The Tax Receivable Agreement Payment To Founding Members Under The Tax Receivable Agreement Payment To Founding Members Under The Tax Receivable Agreement NCM, Inc. investment in NCM LLC Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Purchase of Interest by Parent Deferred tax assets Deferred Tax Assets, Net of Valuation Allowance, Noncurrent Deferred Tax Assets, Net of Valuation Allowance, Noncurrent Valuation Allowance Reversed Valuation Allowance Reversed [Member] Valuation Allowance Reversed Debt Instrument Debt Instrument [Axis] Equity-Based Arrangements, Individual Contracts, Type of Deferred Compensation [Domain] Equity-Based Arrangements, Individual Contracts, Type of Deferred Compensation [Domain] Measurement Input Type [Domain] Measurement Input Type [Domain] Credit Facility Credit Facility [Axis] Long-term Marketable Securities [Member] Long Term Marketable Securities [Member] Long-term marketable securities. Schedule of Annual Maturities on Credit Facility and Senior Notes Schedule of Maturities of Long-Term Debt [Table Text Block] Series B Preferred Stock Series B Preferred Stock [Member] Total liabilities Total liabilities Liabilities Total current income tax (benefit)/expense Current Income Tax Expense (Benefit) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Two Founding Members [Member] Two Founding Members [Member] Two founding members. 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Proceeds from Sales of Assets, Investing Activities Proceeds from Sales of Assets, Investing Activities Quarterly Financial Information Disclosure [Abstract] Quarterly Financial Information Disclosure [Abstract] Weighted average grant-date fair value, 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 2022 Finite-Lived Intangible Asset, Expected Amortization, Year Five Options, Expired (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Expirations in Period Term loans - first tranche Term Loan [Member] Term loan. 2007 Plan [Member] Two Thousand Seven Equity Incentive Plan [Member] Two thousand seven equity incentive plan. Summary of Estimated Aggregate Amortization Expense Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Class of Stock [Axis] Class of Stock Class of Stock [Axis] On or After August 15, 2021 [Member] Debt Instrument, Redemption, Period Three [Member] Deferred Rent Credit, Noncurrent Deferred Rent Credit, Noncurrent SEC Schedule, 12-09, Allowance, Credit Loss [Member] SEC Schedule, 12-09, Allowance, Credit Loss [Member] Commercial Paper Commercial Paper [Member] Consolidation Items [Axis] Consolidation Items [Axis] Reduction in payable to founding members under the tax receivable agreement Reduction In Payable To Founding Members Under The Tax Receivable Agreement Reduction in payable to founding members under the tax receivable agreement. Business Acquisition, Pro Forma Revenue Business Acquisition, Pro Forma Revenue Cinemark and Regal Cinemark and Regal [Member] Cinemark and Regal Purchase of an intangible asset with NCM LLC equity Noncash or Part Noncash Acquisition, Intangible Assets Acquired Deferred Tax Assets, Valuation Allowance Valuation allowance Deferred Tax Assets, Valuation Allowance Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Advertising operating costs Marketing and Advertising Expense SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] Common Membership Units [Member] Common Units [Member] Common units. RelatedPartyTRAPayment,Cinemark RelatedPartyTRAPayment,Regal RelatedPartyTRAPayment,Cinemark RelatedPartyTRAPayment,Cinemark Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table] Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table] Property, Plant and Equipment, Type Long-Lived Tangible Asset [Axis] Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities Entity Emerging Growth Company Entity Emerging Growth Company Deferred financing costs Beginning balance Ending balance Less: Debt issuance costs and discounts related to term loans and senior notes Debt Issuance Costs, Net Senior secured leverage ratio Senior Secured Leverage Ratio Senior secured leverage ratio. Repurchase Agreements and Similar Transactions, Maturity Periods [Domain] Repurchase Agreements and Similar Transactions, Maturity Periods [Domain] Total gross deferred tax assets Deferred Tax Assets, Gross Nonoperating Gains (Losses) Nonoperating Gains (Losses) 2016 Equity Incentive Plan [Member] 2016 Equity Incentive Plan [Member] 2016 Equity Incentive Plan Gain (loss) from equity transaction investment due to change in ownership interest in NCM LLC Gain Loss From Equity Transaction Due To Change In Ownership Interest Gain (loss) from equity transaction due to change in ownership interest. Schedule of Useful Lives Schedule Of Useful Lives Table [Text Block] Schedule of useful lives. Promissory notes receivable from founding members Repayment of Notes Receivable from Related Parties Antidilutive Securities Antidilutive Securities [Axis] Common Stock [Member] Common Stock Common Stock [Member] Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Net of Forfeitures Debt Securities, Available-for-Sale, Noncurrent Aggregate Fair Value - Long term marketable securities Debt Securities, Available-for-Sale, Noncurrent Change from net income (loss) attributable to NCM, Inc. and transfers from noncontrolling interests Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Change Due to Net Income Attributable to Parent and Effects of Changes, Net Valuation Allowances and Reserves Type SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Reductions based on the lapse of applicable statute of limitations Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Income Statement Location Income Statement Location [Domain] Valuation Allowances and Reserves SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] Weighted-average interest rate Debt, Weighted Average Interest Rate Total equity/(deficit) Total equity/(deficit) Balance Balance Equity, Including Portion Attributable to Noncontrolling Interest Accrued distributions to ESA Parties (including accrued payments due to related parties of $0.0 and $4.9, respectively) Noncash Distributions To Founding Members Noncash distributions to founding members. Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Stockholders' Equity, Reverse Stock Split Stockholders' Equity, Reverse Stock Split Income tax and other impacts of NCM LLC ownership changes Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Income Tax And Other Impacts Of Subsidiary Ownership Change Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Income Tax And Other Impacts Of Subsidiary Ownership Change Unrecognized tax benefits, income tax penalties and interest expense Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense Minimum Minimum [Member] WEIGHTED AVERAGE SHARES OUTSTANDING: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Property and equipment, net of accumulated depreciation of $1.6 and $54.8, respectively Net book value Total property and equipment Property, Plant and Equipment, Net AMC AMC [Member] AMC Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Amounts Due To Members, Net Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Amounts Due To Members, Net Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Amounts Due To Members, Net Cumulative Effect Adjustment for Adoption of ASU 2016-13 Cumulative Effect Adjustment for Adoption of ASU 2016-13, Net Cumulative Effect Adjustment for Adoption of ASU 2016-13, Net Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] ASSETS Assets [Abstract] Repurchase of stock for restricted stock tax withholding Payment, Tax Withholding, Share-Based Payment Arrangement Valuation and Qualifying Accounts SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] Other Deferred Tax Assets, Other US Treasury Securities US Treasury Securities [Member] Deferred Income Tax Assets, Net Deferred Income Tax Assets, Net 2020 Operating Leases, Future Minimum Payments, Due in Three Years Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Term Loan - Second Tranche, Discount Value Term Loan - Second Tranche, Discount Value Term Loan - Second Tranche, Discount Value Common membership units issued, net (in shares) Common Membership Units Issued Net Of Units Surrendered Common membership units issued net of units surrendered. Retained Earnings (Distributions in Excess of Earnings) Retained Earnings Retained Earnings [Member] Less: current portion of debt Long-Term Debt, Current Maturities Consolidated Net Total Leverage Ratio Consolidated Net Total Leverage Ratio Consolidated Net Total Leverage Ratio NON-OPERATING (INCOME) EXPENSES: Nonoperating Income (Expense) [Abstract] Basic (in usd per share) (Loss) Earnings per NCM, Inc. share, basic Earnings Per Share, Basic Repayments of Debt, Maturing in More than Three Months Repayments of Debt, Maturing in More than Three Months Accounting Policies [Abstract] Accounting Policies [Abstract] Document And Entity Information [Abstract] Document And Entity Information [Abstract] Document And Entity Information [Abstract] Gain (Loss) on Disposition of Other Assets Gain (Loss) on Disposition of Assets Recently Adopted Accounting Pronouncements Recently Adopted Accounting Pronouncements Policy [Text Block] Recently adopted accounting pronouncements. Number Of Days Utilized Within Membership Unit Redemption Payment Calculation Number Of Days Utilized Within Membership Unit Redemption Payment Calculation Number of days utilized within membership unit redemption payment calculation. Deferred tax assets, net Deferred Tax Assets, Net Intrinsic value of options exercised Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value Restrictions on Cash and Cash Equivalents Restrictions on Cash and Cash Equivalents [Table Text Block] Stock Issued Stock Issued Impairment on Investment Impairment on Investment Impairment on Investment Consolidation Consolidation, Policy [Policy Text Block] Local and regional advertising revenue Local And Regional Advertising Revenue [Member] Local and regional advertising revenue. Concentration of credit risk as a percentage of accounts receivable Concentration of credit risk as a percentage of accounts receivable Concentration of credit risk as a percentage of accounts receivable Total non-current liabilities Liabilities, Noncurrent Liabilities, Noncurrent CASH FLOWS FROM INVESTING ACTIVITIES: Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Document Transition Report Document Transition Report Equipment, Computer Hardware And Software [Member] Equipment Computer Hardware And Software [Member] Equipment, computer hardware and software. Valuation Allowance by Deferred Tax Asset [Axis] Valuation Allowance by Deferred Tax Asset [Axis] Management Fee Reimbursement Management Fee Reimbursement [Member] Management Fee Reimbursement Entity Public Float Entity Public Float Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] 2021 Operating Leases, Future Minimum Payments, Due in Four Years Debt Instrument, Periodic Payment, Interest Debt Instrument, Periodic Payment, Interest Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Outstanding Balance Debt Instrument, carrying value Long-Term Debt, Gross Business Combination, Price of Acquisition, Expected Business Combination, Price of Acquisition, Expected Restricted Cash and Cash Equivalents Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Dividends payable, date declared Dividends Payable, Date Declared Interest income Interest and Other Income Expense for early lease termination fee Gain (Loss) on Termination of Lease Operating loss carryforward, expiration date Operating Loss Carryforwards, Expiration Date Accounts Receivable, Credit Loss Expense (Reversal) Accounts Receivable, Credit Loss Expense (Reversal) Senior Secured Notes Due Two Zero Two Six Senior Secured Notes Due Two Zero Two Six Senior Secured Notes Due Two Zero Two Six Maturities Available For Sale Securities Maturity Available for sale securities maturity. Weighted average grant-date fair value, Forfeited (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 Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities, Continuing Operations Deferred income tax expense Deferred Income Tax Expense (Benefit) Subsequent Event Type Subsequent Event Type [Axis] Proceeds from Stock Options Exercised Proceeds from Stock Options Exercised Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Amount Increase In Payment Per Theater Patron Amount Increase In Payment Per Theater Patron Amount Increase In Payment Per Theater Patron Net cash provided by investing activities Net Cash Provided by (Used in) Investing Activities, Continuing Operations Net cash used in operating activities Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities, Continuing Operations Weighted average exercise price, Forfeited (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Number of restricted shares and restricted stock units, Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Debt instrument issued percentage of face value Debt Instrument Issued Percentage Of Face Value Debt instrument issued percentage of face value. Troubled Debt Restructuring, Debtor, Subsequent Periods, Contingent Payments, Name [Domain] Troubled Debt Restructuring, Debtor, Subsequent Periods, Contingent Payments, Name [Domain] Accounts Receivable, Allowance for Credit Loss Accounts Receivable, Allowance for Credit Loss Schedule of Fair Value of Separate Accounts by Major Category of Investment [Table] Fair Value, Separate Account Investment [Table] 2019 Long-Term Debt, Maturity, Year One Estimated annual forfeiture rate, percentage Share Based Compensation Arrangement By Share Based Payment Award Estimated Annual Forfeiture Rate Share based compensation arrangement by share based payment award estimated annual forfeiture rate. Share Price Share Price Integration payments Integration Payments Due From Related Parties Integration payments due from related parties. Prior to August 15, 2019 [Member] Debt Instrument, Redemption, Period One [Member] Proceeds from Collection of Long-term Loans to Related Parties Proceeds from Collection of Long-Term Loans to Related Parties Add: Dilutive effect of stock options, restricted stock, and exchangeable NCM LLC common membership units Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Term Loan Margin Increase Term Loan Interest Rate Increase Following Amendment Term Loan Interest Rate Increase Following Amendment Document Period End Date Document Period End Date Terminating exclusion of performance-based compensation per employee per year limitation Tax Cuts And Jobs Act Of2017 Terminating Exclusion Of Performance Based Compensation Per Employee Per Year Limitation Tax cuts and jobs act of 2017 terminating exclusion of performance-based compensation per employee per year limitation. Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Deferred Revenue Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Deferred Revenue Gain (Loss) on Disposition of Property Plant Equipment Gain (Loss) on Disposition of Property Plant Equipment Income tax expense Consolidated net income, tax Total income tax provision Income Tax Expense (Benefit) Accounts Receivable, Allowance for Credit Loss, Writeoff Accounts Receivable, Allowance for Credit Loss, Writeoff Vesting [Axis] Vesting [Axis] Fair Value Measurements Fair Value Disclosures [Text Block] Change in accounting principle not related to a new ASU Change In Accounting Principle Not Related To A New Accounting Standards Update [Member] Change In Accounting Principle Not Related To A New Accounting Standards Update [Member] Interest rate on notes receivable Notes Receivable Stated Interest Rate Notes receivable stated interest rate. Write-off of debt issuance costs Write off of Deferred Debt Issuance Cost Deferred Debt Issuance Cost, Writeoff Gross unrealized losses related to individual securities had been in continuous loss position for 12 months or longer Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Debt Securities, Available-for-sale [Line Items] Debt Securities, Available-for-Sale [Line Items] Operating Lease, Weighted Average Remaining Lease Term Operating Lease, Weighted Average Remaining Lease Term Available Cash Requirement, Covenant During Waiver Min Available Cash Requirement, Covenant During Waiver Min [Member] Available Cash Requirement, Covenant During Waiver Min NCM, Inc. investment in NCM LLC Adjustments To Additional Paid In Capital, Parent Investment In Subsidiary Adjustments To Additional Paid In Capital, Parent Investment In Subsidiary Deferred Tax Asset, Sale Of Membership Units Deferred Tax Asset, Sale Of Membership Units Deferred Tax Asset, Sale Of Membership Units Percentage increase (decrease) in theater attendance for Common Unit adjustment to occur Percentage Increase Decrease In Theater Attendance For Common Unit Adjustment To Occur Percentage change in theater attendance for Common Unit adjustment to occur. NCM, LLC. National Cine Media L L C [Member] National CineMedia, LLC. Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Vested shares withheld to cover tax obligations Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Income Taxes [Line Items] Income Taxes [Line Items] Income Taxes [Line Items] Repayments of Notes Payable Repayments of Notes Payable Number of Customer Over Ten Percent of AR Balance Number of Customer Over Ten Percent of AR Balance Number of Customer Over Ten Percent of AR Balance Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Founding Member Ownership in ACJV, LLC Ownership in ACJV, LLC Ownership in ACJV, LLC Tax Cuts and Jobs Act, Measurement Period Adjustment, Income Tax Expense (Benefit) Tax Cuts and Jobs Act, Measurement Period Adjustment, Income Tax Expense (Benefit) Tax Cuts and Jobs Act, Measurement Period Adjustment, Income Tax Expense (Benefit) Credit Facility Credit Facility [Domain] Founding Member Integration and Encumbered Payments due from Related Parties Founding Member Integration and Encumbered Payments due from Related Parties Founding Member Integration and Encumbered Payments due from Related Parties Disposal Group, Including Discontinued Operation, Intangible Assets Disposals of Intangible Assets, Gross Disposals of Intangible Assets, Gross Basis spread on variable rate, percent Debt Instrument, Basis Spread on Variable Rate Estimated useful life Property, Plant and Equipment, Useful Life Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Purchase of subsidiary equity with NCM, Inc. equity Noncash or Part Noncash Acquisition, Investments Acquired Contract with Customer, Asset and Liability Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Trade accounts Trade Accounts Receivable [Member] Revenue from Contracts with Customers Revenue from Contract with Customer [Text Block] change in deferred tax asset [Member] Change in Deferred Tax Asset [Member] Change in Deferred Tax Asset Additional Paid in Capital (Deficit) Additional Paid In Capital (Deficit) Additional Paid-in Capital [Member] Document Annual Report Document Annual Report Federal and State Domestic Tax Authority And State And Local Jurisdiction [Member] Domestic Tax Authority And State And Local Jurisdiction [Member] Short-term Marketable Securities [Member] Short Term Marketable Securities [Member] Short-term marketable securities. Redemption of Senior Notes due 2021 Repayments of Unsecured Debt Repayments of Unsecured Debt Equity in earnings of non-consolidated entities Income (Loss) from Equity Method Investments Aggregate Principal Amount, Revolving loans Aggregate Principal Amount, Revolving loans Aggregate Principal Amount, Revolving loans Subsequent Event Subsequent Events [Text Block] Tax Period [Axis] Tax Period [Axis] Amortization of debt issuance costs Amortization of debt issuance costs Amortization of Debt Issuance Costs Fair Value, Measurements, Recurring [Member] Fair Value, Recurring [Member] Tax Credit Carryforward, Name [Domain] Tax Credit Carryforward, Name [Domain] Other liabilities Other Liabilities, Noncurrent Remaining performance obligation Revenue, Remaining Performance Obligation, Amount Percentage open of theaters in network Percentage of theaters open in network Percentage of theaters open in network CHANGE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Equity Component [Domain] Equity Component [Domain] State State and Local Jurisdiction [Member] Subtotal Property Plant And Equipment Net Before Construction In Progress Property Plant And Equipment Net Before Construction In Progress Incremental Term Loan Rate Incremental Term Loan Rate Incremental Term Loan Rate Entity Current Reporting Status Entity Current Reporting Status OPERATING (LOSS) INCOME Operating Income (Loss) Term of advertising services Term Of Advertising Services Term of advertising services. Intangible Assets Affiliates Intangible Assets Affiliates [Member] Intangible Assets Affiliates Segments [Axis] Segments [Axis] Fair Value [Member] Estimate of Fair Value Measurement [Member] Accretion of interest on the discounted payable to founding members under the TRA Accretion of interest on the discounted payable to founding members under the TRA Accretion Expense Long-lived Assets Property, Plant and Equipment, Policy [Policy Text Block] OTHER COMPREHENSIVE INCOME, NET OF TAX: Other Comprehensive Income (Loss), Net of Tax [Abstract] Scenario, Unspecified [Domain] Scenario [Domain] Customer Relationships Customer Relationships [Member] Liabilities recorded for related party obligations Guarantor Obligations, Current Carrying Value Agreement With Founding Members, Remaining Term Agreement With Founding Members, Remaining Term Agreement With Founding Members, Remaining Term NCM, Inc. Stockholders’ Equity/(Deficit): Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Barter Transaction Revenue Barter Transaction Revenue [Member] Barter Transaction Revenue [Member] Additional Tax Payments Additional Tax Payments Additional Tax Payments Variable Rate Variable Rate [Domain] Less:  Net loss attributable to noncontrolling interests Net Income (Loss) Attributable to Noncontrolling Interest Proceeds from lessor on purchases of property, plant, and equipment Proceeds From Operating Leases Proceeds From Operating Leases Entity Voluntary Filers Entity Voluntary Filers Range Range [Domain] Statistical Measurement [Domain] Additional paid in capital (deficit) Additional Paid In Capital And Accumulated Deficit Common Stock Additional paid in capital and accumulated deficit common stock. Payable under the TRA (related party payables of $0.0 and $25.5, respectively) Long-term payable to founding members under tax receivable agreement Payable To Founding Members Under Tax Sharing Agreement Noncurrent Payable to founding members under tax sharing agreement, noncurrent. Long-term notes receivable, net of current portion - ESA Parties Long-term portion of note receivable - founding members Financing Receivable, after Allowance for Credit Loss, Noncurrent Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Number of restricted shares and restricted stock units, Non-vested, beginning balance (in shares) Number of restricted shares and restricted stock units, Non-vested, ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Borrowings Debt Disclosure [Text Block] Concentration of Credit Risk and Significant Customers Concentration Of Credit Risk And Significant Customers Policy [Text Block] Disclosure of accounting policy for concentration of credit risk and significant customers. Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Increase in cost and equity method investments Increase (Decrease) In Cost And Equity Method Investments Increase (Decrease) In Cost And Equity Method Investments Discretionary contributions Defined Contribution Plan, Employer Discretionary Contribution Amount Revolving credit facility 2023 Revolving Credit Facility [Member] Term Loan - First Tranche Term Loan - First Tranche [Member] Term Loan - First Tranche Performance Shares Performance Shares [Member] Equity Interest Acquired, Percentage Equity Interest Acquired, Percentage Equity Interest Acquired, Percentage Accounts payable Accounts Payable, Current Weighted average remaining contractual life, Exercisable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Debt Instrument, Basis Spread on Variable Rates Debt Instrument, Basis Spread on Variable Rates Debt Instrument, Basis Spread on Variable Rates Investment, Name Investment, Name [Axis] Reversal of unrecognized tax benefits Reversal Of Unrecognized Tax Benefits Reversal of unrecognized tax benefits. Total Total non-operating expenses Nonoperating Income (Expense) U.S. federal statutory rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Financing Receivable, Current, Allowance for Credit Loss Financing Receivable, Current, Allowance for Credit Loss [Table Text Block] COMMITMENTS AND CONTINGENCIES (NOTE 13) Commitments and Contingencies As Reported Previously Reported [Member] Platinum Spot Revenue Percentage Platinum Spot Revenue Percentage Platinum Sport Revenue Percentage Construction in progress Construction in Progress, Gross Deferred revenue Deferred Revenue, Current Proceeds from sale of common stock Proceeds from Issuance of Common Stock Network Costs Network Costs [Member] Network costs. Debt Instrument, Cure Payments Debt Instrument, Cure Payments Debt Instrument, Cure Payments Accrued Reserves Accrued Reserves Accrued reserves. Contract with Customer, Liability, Change in Timeframe, Performance Obligation Satisfied, Revenue Recognized Contract with Customer, Liability, Change in Timeframe, Performance Obligation Satisfied, Revenue Recognized Short Term U.S. Agency Bonds Short Term U.S. Agency Bonds [Member] Short Term U.S. Agency Bonds Income Taxes Income Tax Disclosure [Text Block] Deferred revenue Increase (Decrease) in Contract with Customer, Liability Stock Issued Duing Period, Value, New Issues APIC Stock Issued Duing Period, Value, New Issues APIC Stock Issued Duing Period, Value, New Issues APIC Senior Unsecured Notes Due Two Zero Two Eight Senior Unsecured Notes Due Two Zero Two Eight [Member] Senior Unsecured Notes Due Two Zero Two Eight Concentration Risk [Line Items] Concentration Risk [Line Items] Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Accumulated Depreciation, Depletion and Amortization, Property, Plant and Equipment, Period Increase (Decrease) Property, Plant, and Equipment, Owned, Accumulated Depreciation Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accrued Payroll And Related Expenses Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accrued Payroll And Related Expenses Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accrued Payroll And Related Expenses Revenue Recognition Revenue [Policy Text Block] Consolidated Net Senior Secured Leverage Ratio Consolidated Net Senior Secured Leverage Ratio Consolidated Net Senior Secured Leverage Ratio Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block] Change in the valuation allowance (1) Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Preferred stock, par value (in usd per share) Preferred Stock, Par or Stated Value Per Share Weighted Average Grant-Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Term Loan - Second Tranche, Loss on Debt Modification Term Loan - Second Tranche, Loss on Debt Modification Term Loan - Second Tranche, Loss on Debt Modification RedemptionAggregate,Notes2028 RedemptionAggregate,Notes2028 RedemptionAggregate,Notes2028 Weighted average exercise price, Vested and 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 Schedule of Amounts Due to Founding Members Schedule of Incentive Distributions Made to Managing Members or General Partners by Distribution [Table Text Block] Options, Outstanding, beginning balance (in shares) Options, Outstanding, ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Removal of Cash and Cash Equivalents of Unconsolidated Affiliates Removal of Cash and Cash Equivalents of Unconsolidated Affiliates Removal of Cash and Cash Equivalents of Unconsolidated Affiliates Weighted average grant date fair value of granted options Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value NET INCOME (LOSS) ATTRIBUTABLE TO NCM, INC. Net income (loss) attributable to NCM, Inc. (Loss) Net income attributable to NCM, Inc. Net Income (Loss) Total current liabilities Liabilities, Current Liabilities, Current Stock Issued During Period, Value, New Issues, Consolidated Stock Issued During Period, Value, New Issues, Consolidated Stock Issued During Period, Value, New Issues, Consolidated Total Operating Leases, Future Minimum Payments Due Interest Payable, Current Interest Payable, Current Acquired Finite-Lived Intangible Assets [Line Items] Acquired Finite-Lived Intangible Assets [Line Items] Effective Income Tax Rate Reconciliation, Deconsolidation Effects Effective Income Tax Rate Reconciliation, Deconsolidation Effects Effective Income Tax Rate Reconciliation, Deconsolidation Effects LIABILITIES AND EQUITY/(DEFICIT) Liabilities and Equity [Abstract] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Debt Instrument, Redemption, Period Debt Instrument, Redemption, Period [Axis] Available-for-sale Securities, Gross Unrealized Loss Gross unrealized losses related to individual securities Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Debt Instrument, Trigger Amount Covenant Debt Instrument, Trigger Amount Covenant Debt Instrument, Trigger Amount Covenant Advertising operating costs Costs of goods and services sold Cost of Goods and Services Sold Share-based compensation, vesting period Vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Achievement of percentage in performance based restricted stock Achievement Of Percentage In Performance Based Restricted Stock Achievement of percentage in performance based restricted stock. New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Other Commitments [Table] Other Commitments [Table] Line of Credit Facility, Current Borrowing Capacity Line of Credit Facility, Current Borrowing Capacity Range of terms, in years Revenue Guarantee Period Revenue guarantee period. Credit Facility Availability Compliance Credit Facility Availability Compliance Credit Facility Availability Compliance Measurement Basis Measurement Basis [Axis] Amounts Due to/from Founding Members Amounts Due To From Founding Members Policy [Text Block] Amounts due to from founding members. Receivables, net Increase (Decrease) in Accounts Receivable Covenant During Waiver Max [Member] Covenant During Waiver Max [Member] Covenant During Waiver Max Dividends declared per common share (in usd per share) Dividends per share Common Stock, Dividends, Per Share, Declared Operating Lease, Liability, Noncurrent Operating Lease, Liability, Noncurrent Operating Costs Operating Costs Policy [Text Block] Operating costs. Debt Instrument, Name Debt Instrument, Name [Domain] Payment of debt issuance costs Payments of Debt Issuance Costs Income Statement Location Income Statement Location [Axis] Weighted Average Term, ESA and Affiliate Weighted Average Term, ESA and Affiliate Weighted Average Term, ESA and Affiliate Repayments of term loan facility Repayments of Senior Debt Substantial Doubt about Going Concern Substantial Doubt about Going Concern [Text Block] Payables and Accruals [Abstract] Payables and Accruals [Abstract] Incremental Term Loan Incremental Term Loan Incremental Term Loan Estimated Fair Values of Company's Financial Instruments Fair Value, by Balance Sheet Grouping [Table Text Block] Product and Service [Domain] Product and Service [Domain] Adjustments To Additional Paid In Capital, Parent Investment In Subsidiary, net Adjustments To Additional Paid In Capital, Parent Investment In Subsidiary, net Adjustments To Additional Paid In Capital, Parent Investment In Subsidiary, net Common membership units outstanding Units of Partnership Interest, Amount Network costs Network Costs Direct costs arising from transactions associated with network operations. These costs are categorized as cost of goods sold. Plan Name Plan Name [Domain] Income tax receivable Income Taxes Receivable, Current Gain (Loss) on Extinguishment of Debt Gain (Loss) on Extinguishment of Debt Common stock available for issuance Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized Software And Development Costs Software And Development Costs [Member] Software and development costs. Additions Finite-Lived Intangible Assets Acquired Issuance of shares Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Issuance of Equity by Subsidiary to Noncontrolling Interests Weighted average remaining contractual life, Outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Adjustments to Additional Paid in Capital, Other Decrease within activity of APIC Adjustments to Additional Paid in Capital, Other Stockholders' Equity Note [Abstract] Stockholders' Equity Note [Abstract] Estimates Use of Estimates, Policy [Policy Text Block] Long-term Debt, Type Long-Term Debt, Type [Domain] Entity File Number Entity File Number Recently Issued Accounting Pronouncements Recently Issued Accounting Pronouncements Policy [Text Block] Recently issued accounting pronouncements. Common membership units surrendered due to required theater transfer, value Value Of Common Membership Units Surrendered For Transferred Theaters Value of common membership units surrendered for transferred theaters. Unvested Stock Options [Member] Unvested Stock Options [Member] Unvested stock options. 2021 Long-Term Debt, Maturity, Year Three AuditorFirmID Auditor Firm ID Long Term Certificates of Deposit [Member] Long Term Certificates of Deposit [Member] Long Term Certificates of Deposit Amortization of Intangible Assets Stock Issued During Period, Shares, New Issues Amortization expense Amortization Amortization of Intangible Assets Entity Shell Company Entity Shell Company Change in Accounting Principle Revision of Prior Period, Adjustment [Member] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Line Of Credit Facility, Percentage Of Revolving Commitment Line Of Credit Facility, Percentage Of Revolving Commitment Line Of Credit Facility, Percentage Of Revolving Commitment Increase (Decrease) in Prepaid Expense Increase (Decrease) in Prepaid Expense Financing Receivable, Allowance for Credit Loss [Table] Financing Receivable, Allowance for Credit Loss [Table] Cash, cash equivalents and restricted cash at beginning of period Cash, cash equivalents and restricted cash at end of period Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Investment in consolidated subsidiary NCM LLC Deferred tax assets recognized Deferred Tax Assets, Investment in Subsidiaries Payments to affiliates for tax sharing agreement Payments To Affiliates For Tax Sharing Agreement Payments to affiliates for tax sharing agreement. 2018 and 2022 Revolving Credit Facilities Fair Value 2018 and 2022 Revolving Credit Facilities Fair Value [Member] 2018 and 2022 Revolving Credit Facilities Fair Value Variable Lease, Cost Variable Lease, Cost Operating Lease, Cost Operating Lease, Cost Common stock, shares issued (in shares) Common Stock, Shares, Issued Number of restricted shares and restricted stock units, Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Total assets Assets, Fair Value Disclosure Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss Long-term Debt Total Long-Term Debt Repurchase Agreements and Similar Transactions, Maturity Periods [Axis] Repurchase Agreements and Similar Transactions, Maturity Periods [Axis] 2022 Long-Term Debt, Maturity, Year Four Gain (Loss) On Re Measurement Of Payable To Founding Members Under TRA Gain (Loss) On Re Measurement Of Payable To Founding Members Under TRA Gain (Loss) On Re Measurement Of Payable To Founding Members Under TRA Change of Control Change Of Control [Member] Change of control. Payable under the TRA (related party payables of $0.0 and $0.2, respectively) Current payable to founding members under tax receivable agreement Payable To Founding Members Under Tax Sharing Agreement Current Payable to founding members under tax sharing agreement, current. SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount, Beginning Balance SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount, Ending Balance SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount Debt Instrument, Fixed Coverage Covenant Debt Instrument, Fixed Coverage Covenant Debt Instrument, Fixed Coverage Covenant Weighted average remaining period over which unrecognized compensation costs will be recognized Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Credit Agreement Third Amendment Credit Agreement Third Amendment [Member] Credit Agreement Third Amendment COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO NCM, INC. 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Income Tax Reconciliation Issuance Of Affiliate Membership Unit Income tax reconciliation issuance of affiliate membership unit. Debt instrument face amount Debt Instrument, Face Amount Restricted Stock and Restricted Stock Units Restricted Stock And Restricted Stock Units [Member] Restricted stock and restricted stock units. CURRENT ASSETS: Assets, Current [Abstract] Leases [Abstract] Leases [Abstract] Receivables Accounts Receivable, before Allowance for Credit Loss, Current Other Commitments [Line Items] Other Commitments [Line Items] Network Affiliates Network Affiliates [Member] Network affiliates. Entity Address, State or Province Entity Address, State or Province Total lease expense Operating Leases, Rent Expense Net reduction to additional paid in capital Adjustment To Additional Paid In Capital Due To Deferred Tax Asset Liability Adjustment to additional paid in capital due to deferred tax asset liability. 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COMMON SHARE: Earnings Per Share [Abstract] Repayment Notes due 2028 Proceeds from Issuance of Senior Long-Term Debt Common stock, $0.01 par value; 260,000,000 shares authorized, 96,837,039 and 12,840,264 issued and outstanding, respectively Common Stock, Value, Issued Debt instrument redemption price percentage Debt Instrument, Redemption Price, Percentage On-screen advertising time purchased, in seconds Length Of On Screen Advertising Time Which Founding Members Purchased Length of on screen advertising time which founding members purchased. Capital Loss Carryforward Capital Loss Carryforward [Member] Common membership units surrendered to compensate for lost operating income (in shares) Common Membership Units Surrendered To Compensate For Lost Operating Income For Transferred Theaters Common membership units surrendered to compensate for lost operating income for transferred theaters. Proceeds from restricted cash Proceeds From Restricted Stock Proceeds From Restricted Stock Percentage of common membership units outstanding Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Restricted Cash Restricted Cash Short-term Certificates of Deposit Short-term Certificates of Deposit [Member] Short-term Certificates of Deposit Other non-operating income, net Other Nonoperating Income (Expense) Entity Filer Category Entity Filer Category TotalLeaseLiability TotalLeaseLiability TotalLeaseLiability Beverage Concessionaire Beverage Concessionaire [Member] Beverage concessionaire. 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Amendments to Credit Agreement [Axis] Amendments to Credit Agreement [Axis] Amendments to Credit Agreement Debt Securities, Available-for-Sale, Current Aggregate Fair Value - Short term marketable securities Debt Securities, Available-for-Sale, Current Other Accrued Liabilities, Current Other Accrued Liabilities, Current SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table] Senior Secured Notes Due Two Thousand Twenty Eight Senior Secured Notes Due Two Thousand Twenty Eight [Member] Senior Secured Notes Due Two Thousand Twenty Eight [Member] Debt Issuance Costs, Line of Credit Arrangements, Gross Debt Issuance Costs, Line of Credit Arrangements, Gross Payments to Acquire Additional Interest in Subsidiaries Payments to Acquire Additional Interest in Subsidiaries Increase (Decrease) in Other Operating Assets and Liabilities, Net Increase (Decrease) in Other Operating Assets and Liabilities, Net OtherCFfromInvestingActivities OtherCFfromInvestingActivities OtherCFfromInvestingActivities AMC and Cinemark American Multi Cinema Inc And Cinemark Holdings Inc [Member] American Multi-Cinema, Inc. and Cinemark Holdings, Inc. Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Interest Rate Stated interest rate Debt Instrument, Interest Rate, Stated Percentage Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Reduction in Valuation Allowance from Investment in NCM LLC Deferred Tax Asset Reduction in Valuation Allowance from Investment in NCM LLC Deferred Tax Asset Reduction in Valuation Allowance from Investment in NCM LLC Deferred Tax Asset Total NCM, Inc. stockholders’ equity/(deficit) Stockholders' Equity Attributable to Parent Equity, Attributable to Parent Unrecognized tax benefits Unrecognized Tax Benefits that Would Impact Effective Tax Rate Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Valuation allowance reversed Valuation Allowances And Reserves Charged And Reversed To Other Accounts Valuation allowances and reserves charged and reversed to other accounts. Restricted Stock [Member] Restricted Stock [Member] National advertising revenue National Advertising Revenue [Member] National advertising revenue. Debt instrument redemption description Debt Instrument, Redemption, Description Deferred Tax Assets, Valuation Allowance, Net Deferred Tax Assets, Valuation Allowance, Net Deferred Tax Assets, Valuation Allowance, Net Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Subsequent Events [Abstract] Subsequent Events [Abstract] INCOME (LOSS) BEFORE INCOME TAXES INCOME BEFORE INCOME TAXES Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Payments to Acquire Intangible Assets Purchase of intangible assets from affiliate Payments to Acquire Intangible Assets Unbilled contracts receivable Unbilled Contracts Receivable Loss on write-off of property, plant and equipment Tangible Asset Impairment Charges Fair Value Measurements Fair Value Measurement, Policy [Policy Text Block] Significant Other Observable Inputs (Level 2) [Member] Fair Value, Inputs, Level 2 [Member] Debt Issuance Costs, Capitalized During Reconsolidation Debt Issuance Costs, Capitalized During Reconsolidation Debt Issuance Costs, Capitalized During Reconsolidation Debt issuance costs, net Debt Issuance Costs, Line of Credit Arrangements, Net NCM LLC equity issued for purchase of intangible asset Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Issuance Of Equity For Purchase Of Intangible Asset Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Issuance Of Equity For Purchase Of Intangible Asset 2019 Operating Leases, Future Minimum Payments, Due in Two Years Document Fiscal Period Focus Document Fiscal Period Focus Cash dividends declared, per share Dividends Payable, Amount Per Share Weighted average remaining life Finite-Lived Intangible Asset, Useful Life Remaining borrowing capacity of credit facility Line of Credit Facility, Remaining Borrowing Capacity Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted Senior Secured Financial Covenant Ratio Senior Secured Financial Covenant Ratio to Make Distributions Senior Secured Financial Covenant Leverage Ratio Weighted Average Exercise Price, Outstanding, beginning balance (in dollars per share) Weighted average exercise price, Outstanding, ending balance (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Non-cash share-based compensation Share-Based Payment Arrangement, Noncash Expense Repurchase amount Debt Instrument, Repurchase Amount Income tax payable Accrued Income Taxes, Noncurrent City Area Code City Area Code Earnings Per Share Earnings Per Share [Text Block] Product and Service [Axis] Product and Service [Axis] Negative Distributions Made to Limited Liability Company Negative Distributions Made to Limited Liability Company Negative Distributions Made to Limited Liability Company Term Loan Second Tranche Term Loan Second Tranche Term Loan Second Tranche Summary of Restricted Stock Awards and Restricted Stock Units Schedule of Nonvested Share Activity [Table Text Block] Ownership percentage Equity Method Investment, Ownership Percentage Write Off of Equipment Write Off of Equipment Write Off of Equipment Document Fiscal Year Focus Document Fiscal Year Focus Debt instrument, frequency of periodic payment Debt Instrument, Frequency of Periodic Payment Loss on re-measurement of the payable under the tax receivable agreement Gain on re-measurement of the payable to founding members under the TRA Loss on re-measurement of the payable under the tax receivable agreement Gain (Loss) On Re Measurement Of Payable To Founding Members Under Tax Sharing Agreement Gain (loss) on re-measurement of payable to founding members under tax sharing agreement. Business Combination, Separately Recognized Transactions, Assets Recognized Business Combination, Separately Recognized Transactions, Assets Recognized Software and Software Development Costs Software and Software Development Costs [Member] Basis of Presentation and Summary of Significant Accounting Policies Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] Income attributable to NCM, Inc. Income Tax Reconciliation Income Tax Expense Excluding Minority Interest Income Tax Reconciliation Income Tax Expense Excluding Minority Interest Summary of Option Award Activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Finite-Lived Intangible Assets by Major Class Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Deconsolidation, Equity Effect, Amount Deconsolidation, Equity Effect, Amount Deconsolidation, Equity Effect, Amount Cash dividends declared Dividends, Common Stock, Cash Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Accounting Period Fiscal Period, Policy [Policy Text Block] CASH FLOWS FROM FINANCING ACTIVITIES: Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Consolidated net (loss) income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Debt issuance costs Debt Issuance Costs, Gross Cash paid for income taxes, net of refunds Income Taxes Paid, Net Fair Values of the Company's Assets Fair Value, Assets Measured on Recurring Basis [Table Text Block] Tax effect measurement extension period Tax Cuts And Jobs Act Of2017 Measurement Maximum Extension Period Tax cuts and jobs act of 2017 measurement maximum extension period. 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Adjustments to reconcile consolidated net income (loss) to net cash used in operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Related Party Transactions [Abstract] Related Party Transactions [Abstract] Measurement Input Type [Axis] Measurement Input Type [Axis] Retained Earnings RAAP Adjustment 2016-13 [Member] Retained Earnings RAAP Adjustment 2016-13 [Member] Retained Earnings RAAP Adjustment 2016-13 Covenant During Waiver Min [Member] Covenant During Waiver Min [Member] Covenant During Waiver Min Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Valuation Adjustment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Valuation Adjustment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Valuation Adjustment Units of Partnership Interest, Amount - Regal Units of Partnership Interest, Amount - Regal Units of Partnership Interest, Amount - Regal Share-Based Compensation Arrangement by Share-Based Payment Award, Percentage of Outstanding Stock Maximum Share-Based Compensation Arrangement by Share-Based Payment Award, Percentage of Outstanding Stock Maximum Accounting Policies [Line Items] Accounting Policies [Line Items] Accounting policies. Cash dividends declared Dividends Payable Retained Earnings Adjustment 2016-13 [Member] Retained Earnings Adjustment 2016-13 [Member] Retained Earnings Adjustment 2016-13 Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Decrease in ending balance of APIC Additional Paid in Capital Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested Options Forfeited, Number of Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested Options Forfeited, Number of Shares Document Information [Line Items] Document Information [Line Items] Reduction in net deferred tax asset Tax Cuts And Jobs Act Change In Tax Rate Reduction Of Net Deferred Tax Assets Tax cuts and jobs act, change in tax rate, reduction of net deferred tax assets, Credit Agreement Second Amendment Credit Agreement Second Amendment [Member] Credit Agreement Second Amendment RECONSOLIDATION OF NCM LLC [Abstract] RECONSOLIDATION OF NCM LLC [Abstract] Senior secured notes due 2028 Senior Unsecured Notes Due Two Zero Two Six [Member] Senior unsecured notes due two zero two six. Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Short-term Debt, Type Short-Term Debt, Type [Axis] Income Taxes Income Tax, Policy [Policy Text Block] Prepaid Expense and Other Assets, Current Prepaid Expense and Other Assets, Current RelatedPartyTRAPayment,Regal RelatedPartyTRAPayment,Regal RelatedPartyTRAPayment,Regal 2020 Finite-Lived Intangible Asset, Expected Amortization, Year Three Municipal Bonds Municipal Bonds [Member] Debt Instrument, Redemption, Period Debt Instrument, Redemption, Period [Domain] Senior Secured Notes due 2026 [Domain] Senior Secured Notes due 2026 [Domain] Senior Secured Notes due 2026 [Domain] Number of NCM LLC common units converted to NCM Inc.common stock Number Of Common Units Converted To Common Stock Number of common units converted to common stock. Customer with revenue in excess of ten percent of Accounts Receivable Customer with revenue in excess of ten percent of Accounts Receivable Customer with revenue in excess of ten percent of Accounts Receivable Related Party [Axis] Related Party, Type [Axis] ImputedInterestFutureLeasePayments ImputedInterestFutureLeasePayments ImputedInterestFutureLeasePayments Finite-Lived Intangible Assets, Costs Incured to Renew o Extend, Gross Capitalized Implementation Costs Capitalized Implementation Costs Non-cash loss on re-measurement of the payable under the TRA Non Cash Gain Loss On Re Measurement Of Payable To Founding Members Under Tax Sharing Agreement Non-cash gain (loss) on re-measurement of payable to founding members under tax sharing agreement. Share-based compensation issued, shares Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Percentage Of Increase in Payment Per Theater Patron - National CineMedia LLC Percentage Of Increase in Payment Per Theater Patron - National CineMedia LLC Percentage Of Increase in Payment Per Theater Patron - National CineMedia LLC Entity Registrant Name Entity Registrant Name 2019 Finite-Lived Intangible Asset, Expected Amortization, Year Two Common membership units surrendered (n shares) Common Membership Units Surrendered Due To Transferred Theaters Common membership units surrendered due to transferred theaters. Noncontrolling interests Equity, Attributable to Noncontrolling Interest Auditor Name Auditor Name Cash distributions from non-consolidated entities Cash distributions received from non-consolidated entities Cash Distributions From Non Consolidated Entities Cash distributions from non-consolidated entities. Proceeds from Lines of Credit Proceeds from Lines of Credit Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Less: Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Weighted average exercise price, Exercisable (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Dividends payable, date of record Dividends Payable, Date of Record Proceeds from issuance of Senior Notes due 2028 Repayments of Long-Term Debt Entity Central Index Key Entity Central Index Key Line of Credit Facility, Fair Value of Amount Outstanding Line of Credit Facility, Fair Value of Amount Outstanding Business Combination, Bargain Purchase, Gain Recognized, Amount Business Combination, Bargain Purchase, Gain Recognized, Amount Dividends payable, date to be paid Dividends Payable, Date to be Paid Recognized share-based compensation expense Total share-based compensation costs Share-Based Payment Arrangement, Expense Gross carrying amount, beginning balance Gross carrying amount, ending balance Finite-Lived Intangible Assets, Gross Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Income Tax Authority Income Tax Authority [Domain] Accrued payroll and related expenses Employee-related Liabilities, Current Senior Secured Credit Facility [Member] Senior Secured Credit Facility [Member] Senior secured credit facility. Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Issuance of shares, value Stock Issued During Period, Value, New Issues Risks and Uncertainties [Abstract] Revenue (including revenue from related parties of $14.2 and $14.4, respectively) Revenue Revenue from Contract with Customer, Excluding Assessed Tax Entity [Domain] Entity [Domain] Long-term Debt, Type Long-Term Debt, Type [Axis] Amendment Flag Amendment Flag Intangible Assets Intangible Assets Disclosure [Text Block] Legal Entity [Axis] Legal Entity [Axis] Senior Notes Due Two Zero Two Two [Member] Senior Notes Due Two Zero Two Two [Member] Senior notes due two zero two two. Percentage of increase in payment per theatre patron Percentage Of Increase In Payment Per Theater Patron Percentage of increase in payment per theater patron. Operating Lease, Weighted Average Discount Rate, Percent Operating Lease, Weighted Average Discount Rate, Percent Tax Period [Domain] Tax Period [Domain] Accrued Rent, Current Accrued Rent, Current Less: Noncontrolling interests Effective Income Tax Rate Reconciliation, Noncontrolling Interest Income (Loss), Amount Blended state and federal tax rate Effective Income Tax Rate Reconciliation Blended State And Federal Income Taxes Effective income tax rate reconciliation blended state and federal income taxes. Long-term debt Carrying value of long-term debt Long-Term Debt, Excluding Current Maturities Leasehold improvements Leasehold Improvements [Member] Selling and Marketing Costs Selling and Marketing Expense [Member] Diluted (in shares) Diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Fair Value of Intangible Assets Non-current Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Fair Value of Intangible Assets Non-current Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Fair Value of Intangible Assets Non-current Common membership units surrendered due to required theater transfer (in shares) Common Membership Units Surrendered Due To Required Theater Transfer Common membership units surrendered due to required theater transfer. Proceeds frpom Equity Method Investment, Investing Activities Proceeds from Equity Method Investment, Investing Activities Proceeds from Equity Method Investment, Investing Activities OPERATING EXPENSES: Operating Expenses [Abstract] Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Term Loan - Second Tranche, Net Term Loan - Second Tranche, Net Term Loan - Second Tranche, Net Weighted average exercise price, Expired (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price TOTAL ASSETS TOTAL ASSETS Assets Equipment Equipment [Member] Reduction to Deferred Tax Asset Reduction to Payable to Founding Members Reduction to Payable to Founding Members Founding member integration payments and other encumbered theater payments Proceeds From Integration And Other Encumbered Theater Payments Made By Affiliates Proceeds From Integration And Other Encumbered Theater Payments Made By Affiliates Payments received from related parties for their acquired theatres that are subject to an existing on-screen advertising contract. APIC, Share-based Payment Arrangement, Increase for Cost Recognition APIC, Share-Based Payment Arrangement, Increase for Cost Recognition 2023 Long-Term Debt, Maturity, Year Five Theater Access Fees Theater Access Fees Theater Access Fees Related Party Transaction, Description of Transaction Related Party Transaction, Description of Transaction Weighted average grant-date fair value, Vested (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Accrued bonus Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Bonuses Revenue from Rights Concentration Risk Revenue from Rights Concentration Risk [Member] Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Assets Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Assets NCM Inc. [Member] National Cine Media Inc [Member] National CineMedia, Inc. Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Long-Term Debt Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Long-Term Debt Debt Instrument [Line Items] Debt Instrument [Line Items] Deferred Tax Assets, Operating Loss Carryforwards Net operating losses Deferred Tax Assets, Operating Loss Carryforwards Scenario [Axis] Scenario [Axis] Basic (in shares) Weighted Average Number of Shares Outstanding, Basic Uncollectible Receivables [Member] Uncollectible Receivables [Member] Prior to August 15, 2021 [Member] Debt Instrument, Redemption, Period Two [Member] Schedule of Mandatory Distributions to Members Distributions Made to Limited Liability Company (LLC) Member, by Distribution [Table Text Block] Reduction in deferred tax assets Decrease In Deferred Tax Assets Decrease in deferred tax assets. Impairment on Investment Remaining Balance Impairment on Investment Remaining Balance Impairment on Investment Remaining Balance Dividend payments during period upon vesting of stock units Dividend Payments During Period Upon Vesting Of Stock Units Dividend payments during period upon vesting of stock units. Related Party Transaction [Axis] Related Party Transaction [Axis] Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Increase (Decrease) in Due to Related Parties Increase (Decrease) in Due to Related Parties CASH FLOWS FROM OPERATING ACTIVITIES: Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Statement [Line Items] Statement [Line Items] Concentration Risk [Table] Concentration Risk [Table] Accrued integration and other encumbered theater payments from ESA Parties (including accrued payments due from related parties of $0.0 and $0.0, respectively) Accrued Integration And Other Encumbered Theater Payments Due From Founding Members Accrued Integration And Other Encumbered Theater Payments Due From Founding Members Accrued integration and other encumbered theater payments due from founding members. Options, Vested and Expected to Vest (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Unrestricted Cash and Cash Equivalent Unrestricted Cash and Cash Equivalent Unrestricted Cash and Cash Equivalent Contract with Customer, Liability, New Contract Liabilities Contract with Customer, Liability, New Contract Liabilities Contract with Customer, Liability, New Contract Liabilities Schedule of Outstanding Debt Schedule of Debt [Table Text Block] AC JV, LLC [Member] A C J V L L C [Member] AC JV, LLC. Debt Securities, Available-for-Sale Debt Securities, Available-for-Sale [Table Text Block] Available Cash Requirement, Covenant During Waiver Max Available Cash Requirement, Covenant During Waiver Max [Member] Available Cash Requirement, Covenant During Waiver Max Accrued dividend Accrued Dividends Accrued dividends. Noncontrolling Interest Noncontrolling Interest [Member] Tax Credit Carryforward [Axis] Tax Credit Carryforward [Axis]