Cover [Abstract] Document Type Entity Interactive Data Current Document Transition Report Document Period End Date Entity Registrant Name Entity File Number Entity Tax Identification Number Entity Incorporation, State or Country Code Entity Current Reporting Status Entity Shell Company Entity Filer Category Entity Small Business Entity Emerging Growth Company 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 Trading Symbol Security Exchange Name Title of 12(b) Security Entity Common Stock, Shares Outstanding Document Annual Report Entity Public Float Entity Well-known Seasoned Issuer Entity Voluntary Filers Amendment Flag Entity Central Index Key Document Fiscal Period Focus Document Fiscal Year Focus Current Fiscal Year End Date ICFR Auditor Attestation Flag Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Assets [Abstract] Assets ASSETS: Assets Total assets Asset Total assets Assets, Current [Abstract] Current assets: Current assets: Accounts Receivable, Net, Current Accounts receivable, net of reserves of $1,793 in 2020 and $2,856 in 2019 Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Cash Inventory, Net Inventories Inventories Assets, Current Total current assets Advertising Fund Assets Restricted Advertising fund assets, restricted Advertising fund assets restricted An amount representing assets held by the Company's national advertising fund, consisting primarily of cash received from franchisees and accounts receivable from franchisees, which can only be used for activities that promote the brand. Prepaid Expense and Other Assets, Current Prepaid expenses and other Prepaid expenses and other Restricted Cash and Cash Equivalents, Current Restricted cash and cash equivalents Restricted cash and cash equivalents, beginning of period Restricted cash and cash equivalents, end of period Other Assets, Noncurrent [Abstract] Other assets: Deferred Tax Assets, Net of Valuation Allowance, Noncurrent Deferred income taxes Goodwill Goodwill Assets Noncurrent Excludes Property Plant And Equipment Net Total other assets Assets noncurrent excludes property plant and equipment net. Capitalized Computer Software, Net Capitalized software, net of accumulated amortization of $124,043 in 2020 and $104,237 in 2019 Other Assets, Noncurrent Other assets Operating Lease, Right-of-Use Asset Operating lease right-of-use assets Marketable Securities, Noncurrent Investments in marketable securities, restricted Investments in marketable securities, carrying amount Property, Plant and Equipment, Net [Abstract] Property, plant and equipment: Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Accumulated depreciation and amortization Construction in Progress, Gross Construction in progress Land and buildings, Gross Land and buildings Carrying amount as of the balance sheet date of real estate and building structures held for productive use. This excludes land held-for-sale. Leasehold Improvements, Gross Leasehold and other improvements Machinery and Equipment, Gross Equipment Property, Plant and Equipment, Gross Property, plant and equipment, Gross Property, Plant and Equipment, Net Property, plant and equipment, net Liabilities and Equity [Abstract] Liabilities and stockholders' deficit Liabilities and Equity Total liabilities and stockholders' deficit Total liabilities and stockholders' deficit Liabilities, Current [Abstract] Current liabilities: Accounts Payable, Current Accounts payable Advertising Fund Liabilities Advertising fund liabilities An amount representing liabilities held by the Company's national advertising fund, which can only be used for activities that promote the brand. Accrued Insurance, Current Insurance reserves Operating Lease, Liability, Current Operating lease liabilities Liabilities, Current Total current liabilities Long-term Debt and Capital Lease Obligations, Current Current portion of long-term debt Less - current portion Other Accrued Liabilities, Current Other accrued liabilities Employee-related Liabilities, Current Accrued compensation Interest Payable, Current Accrued interest Liabilities, Noncurrent [Abstract] Long-term liabilities: Accrued Insurance, Noncurrent Insurance reserves Operating Lease, Liability, Noncurrent Operating lease liabilities Liabilities, Noncurrent Total long-term liabilities Long-term Debt and Capital Lease Obligations Long-term debt, less current portion Consolidated long-term debt, net of debt issuance Costs Other Accrued Liabilities, Noncurrent Other accrued liabilities Deferred income taxes Deferred Income Tax Liabilities Net Stockholders' Equity Attributable to Parent [Abstract] Stockholders' deficit Stockholders' deficit: STOCKHOLDERS' DEFICIT: Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss Accumulated other comprehensive loss Common Stock, Value, Outstanding Common stock, par value $0.01 per share; 170,000,000 shares authorized; 38,868,350 in 2020 and 38,934,009 in 2019 issued and outstanding Common stock, par value $0.01 per share; 170,000,000 shares authorized; 38,868,350 in 2020 and 38,934,009 in 2019 issued and outstanding Additional Paid in Capital, Common Stock Additional paid-in capital Additional paid-in capital Retained Earnings (Accumulated Deficit) Retained deficit Retained deficit Stockholders' Equity Attributable to Parent Total stockholders' deficit Balance Balance Total stockholders' deficit Preferred Stock, Value, Issued Preferred stock, par value $0.01 per share; 5,000,000 shares authorized, none issued Preferred stock, par value $0.01 per share; 5,000,000 shares authorized, none issued Liabilities Total liabilities Commitments and Contingencies Commitments and contingencies Capitalized Computer Software, Accumulated Amortization Capitalized software, accumulated amortization Common Stock, Par or Stated Value Per Share Common stock, par value Common stock, par value Common Stock, Shares Authorized Common stock, shares authorized Common stock, shares authorized Common Stock, Shares, Issued Common stock, shares issued Common stock, shares issued Common Stock, Shares, Outstanding Common stock, shares outstanding Balance (in shares) Balance (in shares) Total Common Stock Common stock, shares outstanding Preferred Stock, Par or Stated Value Per Share Preferred stock, par value Preferred stock, par value Preferred Stock, Shares Authorized Preferred stock, shares authorized Preferred stock, shares authorized Preferred Stock, Shares Issued Preferred stock, shares issued Preferred stock, shares issued Accounts Receivable, Allowance for Credit Loss, Current Accounts receivable, reserves Allowance For Doubtful Accounts Receivable Current Income Statement [Abstract] Statement [Table] Statement [Table] Statement [Table] Segments [Axis] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] Segments [Domain] International Franchise [Member] International Franchise [Member] International Supply Chain [Member] Supply Chain [Member] Supply Chain [Member] Supply chain. U S Stores [Member] U.S. Stores [Member] U S Stores [Member] US Stores. Statement [Line Items] Statement [Line Items] Statement [Line Items] Advertising Expense U.S. franchise advertising Advertising expense Income Tax Expense (Benefit) Provision for income taxes Provision for income taxes PROVISION FOR INCOME TAXES Interest Expense Interest expense Interest expense Cost of Goods and Services Sold [Abstract] Cost of sales: Cost of Goods and Services Sold Cost of sales Earnings Per Share [Abstract] Earnings per share: EARNINGS PER SHARE: Earnings Per Share, Basic Common stock - basic Earnings per common share – basic Common Stock - basic Earnings Per Share, Diluted Common stock - diluted Earnings per common share – diluted Common Stock - diluted General and Administrative Expense General and administrative Gross Profit Operating margin Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income before provision for income taxes Investment Income, Interest Interest income Net Income (Loss) Attributable to Parent Net income Net income Net income available to common stockholders – basic and diluted NET INCOME Operating Income (Loss) Income from operations INCOME FROM OPERATIONS Revenues [Abstract] Revenues: Revenues Revenue Revenues Total revenues Subsegments [Axis] Subsegments [Axis] Subsegments [Domain] Subsegments [Domain] Domestic Company Owned Stores [Member] U.S. Company-owned stores [Member] Domestic company owned stores. Domestic Franchise Advertising [Member] U.S. franchise advertising [Member] Domestic Franchise Advertising [Member] Domestic Franchise Advertising International Franchise Royalties and Fees [Member] International franchise royalties and fees [Member] International Franchise Royalties and Fees. Domestic Franchise [Member] U.S. franchise royalties and fees [Member] U.S. franchise stores [Member] Domestic franchise. Statement of Comprehensive Income [Abstract] Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive income COMPREHENSIVE INCOME Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax Currency translation adjustment Statement of Stockholders' Equity [Abstract] Legal Entity [Axis] Entity [Domain] Equity Components [Axis] Equity Component [Domain] Common Stock [Member] Common Stock [Member] Additional Paid-in Capital [Member] Additional Paid-in Capital [Member] AOCI Attributable to Parent [Member] Accumulated Other Comprehensive Income (Loss) [Member] Retained Earnings [Member] Retained Deficit [Member] Dividends, Common Stock Dividends declared on common stock and equivalents Adjustments Related to Tax Withholding for Share-based Compensation Tax payments for restricted stock upon vesting Shares Paid for Tax Withholding for Share Based Compensation Tax payments for restricted stock upon vesting, (in shares) Stock Repurchased During Period, Value Purchases of common stock Stock repurchased during period value Stock Repurchased During Period, Shares Purchases of common stock, (in shares) Stock Issued During Period, Value, Stock Options Exercised Exercises of stock options Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Exercises of stock options, (in shares) Common Stock Options, exercised Issue and cancellation of stock award value Issuance and cancellation of stock awards, net Issue and cancellation of stock award value Issue and cancellation of stock award shares Issue and cancellation of stock award, (in shares) Issue and cancellation of stock award shares. Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Non-cash equity-based compensation expense Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax Currency translation adjustment Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] Type of Adoption [Domain] Accounting Standards Update 2014-09 [Member] Revenue Recognition Standard [Member] AccountingStandardsUpdate201802Member [Member] Reclassification of Certain Tax Effects [Member] AccountingStandardsUpdate201802Member Restatement [Axis] Restatement [Axis] Restatement [Domain] Restatement [Domain] Revision of Prior Period, Accounting Standards Update, Adjustment [Member] Revision of Prior Period, Accounting Standards Update, Adjustment [Member] Common Stock, Dividends, Per Share, Declared Dividends declared per share Common stock dividend declared, per share Statement of Cash Flows [Abstract] Cash and Cash Equivalents Included in Restricted Advertising Fund Assets Cash and cash equivalents included in advertising fund assets, restricted, beginning of period Cash and cash equivalents included in advertising fund assets, restricted, end of period Cash and Cash Equivalents Included in Restricted Advertising Fund Assets Effect of Exchange Rate on Cash and Cash Equivalents Effect of exchange rate changes on cash Net Cash Provided by (Used in) Financing Activities [Abstract] Cash flows from financing activities: CASH FLOWS FROM FINANCING ACTIVITIES: Net Cash Provided by (Used in) Financing Activities Net cash used in financing activities Payments for Repurchase of Common Stock Purchases of common stock Repurchased common stock, value Purchases of common stock Payments of Dividends Payments of common stock dividends and equivalents Common stock dividend declared, paid Payments of common stock dividends and equivalents Payments of Financing Costs Cash paid for financing costs Payments Related to Tax Withholding for Share-based Compensation Tax payments for restricted stock upon vesting Proceeds from Issuance of Long-term Debt and Capital Securities, Net Proceeds from issuance of long-term debt Proceeds from Stock Options Exercised Proceeds from exercise of stock options Cash received from exercise of stock options Repayments of Long-term Debt, Long-term Capital Lease Obligations, and Capital Securities Repayments of long-term debt and finance lease obligations Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Change in cash and cash equivalents, restricted cash and cash equivalents Net Cash Provided by (Used in) Operating Activities [Abstract] Cash flows from operating activities: CASH FLOWS FROM OPERATING ACTIVITIES: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: Amortization of Debt Issuance Costs and Discounts Amortization of debt issuance costs Deferred Income Tax Expense (Benefit) Provision (Benefit) for deferred income taxes Depreciation, Depletion and Amortization, Nonproduction Depreciation and amortization Depreciation and amortization Excess Tax Benefit from Share-based Compensation, Operating Activities Excess tax benefits from equity-based compensation Excess tax benefits from equity-based compensation Gain (Loss) on Disposition of Property Plant Equipment Loss (gain) on sale/disposal of assets (Loss) gain on sale/disposal of assets Accounts Receivable, Credit Loss Expense (Reversal) Provision for losses on accounts and notes receivable Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Receivables Changes in accounts receivable Increase Decrease InInventories Prepaid Expenses And Othe rCurrent Assets Changes in inventories, prepaid expenses and other Increase Decrease InInventories Prepaid Expenses And Other Current Assets Increase Decrease In Restricted Advertising Fund Assets And Liabilities Operating Activities Changes in advertising fund assets and liabilities, restricted Increase Decrease In Restricted Advertising Fund Assets And Liabilities Operating Activities. Increase (Decrease) in Accounts Payable and Accrued Liabilities Changes in accounts payable and accrued liabilities Increase (Decrease) in Self Insurance Reserve Changes in insurance reserves Net Increase Decrease In Operating Lease Assets Changes in operating lease assets and liabilities Net Increase Decrease In Operating Lease Assets Share-based Compensation Non-cash equity-based compensation expense Non-cash compensation expense Non-cash equity-based compensation expense Net Cash Provided by (Used in) Operating Activities Net cash provided by operating activities Net cash provided by operating activities Net Cash Provided by (Used in) Investing Activities [Abstract] Cash flows from investing activities: CASH FLOWS FROM INVESTING ACTIVITIES: Payments to Acquire Property, Plant, and Equipment Capital expenditures Payments for (Proceeds from) Other Investing Activities Other Payments for Purchase of Restricted Advertising Fund Investments Purchases of advertising fund investments, restricted Payments for Purchase of Restricted Advertising Fund Investments Net Cash Provided by (Used in) Investing Activities Net cash used in investing activities Net cash provided by investing activities Proceeds from Sale of Productive Assets Proceeds from sale of assets