Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Document Type Document Type Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Related Party [Axis] Related Party [Axis] Remainder of fiscal 2020 Lease, Liability, Payments, Remainder Of Fiscal Year Lease, Liability, Payments, Remainder Of Fiscal Year Bridge Loan Bridge Loan [Member] Vested (in usd 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 Independent operator receivables and current portion of independent operator notes, net of allowance $1,114 and $1,283 Current Portion Accounts and Financing Receivable, after Allowance for Credit Loss, Current Leases Lessee, 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Service [Domain] Product and Service [Domain] Accounts and financing receivable, allowance for credit loss, current Allowance, Current Portion Accounts And Financing Receivable, Allowance For Credit Loss, Current Accounts And Financing Receivable, Allowance For Credit Loss, Current Performance target percentages Share-based Compensation Arrangement by Share-based Payment Award, Performance Target Levels Share-based Compensation Arrangement by Share-based Payment Award, Performance Target Levels Financing Receivable, Allowance for Credit Loss [Table] Financing Receivable, Allowance for Credit Loss [Table] Finance leases Finance Lease, Weighted Average Discount Rate, Percent Increase in shares available for issuance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant, Automatic Increase Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant, Automatic Increase Assets, Lessee [Abstract] Assets, Lessee [Abstract] Assets, Lessee [Abstract] Remaining borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Issuance of common stock upon initial public offering, net of issuance costs (in shares) Stock Issued During Period, Shares, New Issues Lease, Liability, Current [Abstract] Lease, Liability, Current [Abstract] Lease, Liability, Current [Abstract] Conversion of nonvoting to voting common shares (in shares) Stock Issued During Period, Shares, Conversion of Convertible Securities Provision for accounts receivable Accounts Receivable, Credit Loss Expense (Reversal) Write off of debt issuance costs Write off of Deferred Debt Issuance Cost Gross Total Financing Receivable, before Allowance for Credit Loss Allowance, Current Portion Financing Receivable, Allowance for Credit Loss, Current Total Lease, Liability, Payment, Due [Abstract] Lease, Liability, Payment, Due [Abstract] Options exercised (in shares) Exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Voting Common Voting Common Stock [Member] Voting Common Stock [Member] Related Party Transactions [Abstract] Net increase in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Total other expenses Nonoperating Income (Expense) Finance lease right-of-use asset Finance Lease, Right-of-Use Asset, after Accumulated Amortization Schedule of undiscounted future lease payments Lessee, Operating Lease, Liability, Maturity [Table Text Block] Stock options Share-based Payment Arrangement, Option [Member] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] 2019 Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year Basic (in shares) Weighted-average shares of common stock - basic (in shares) Weighted Average Number of Shares Outstanding, Basic Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Gift card, redemption period Gift Card, Redemption Period Gift Card, Redemption Period Variable interest Entities Consolidation, Variable Interest Entity, Policy [Policy Text Block] Sale of Stock [Domain] Sale of Stock [Domain] Carrying Amount Reported Value Measurement [Member] Plan Name [Domain] Plan Name [Domain] Share-Based Payment Arrangement, Performance-Based Option Share-Based Payment Arrangement, Performance-Based Option Share-Based Payment Arrangement, Performance-Based Option [Member] Share-Based Payment Arrangement, Performance-Based Option [Member] Leased assets obtained in exchange for new operating lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Nonvoting Common Nonvoting Common Stock [Member] Remainder of fiscal 2020 Finance Lease, Liability, to be Paid, Remainder of Fiscal Year Proceeds from initial public offering, net of underwriting discounts paid Proceeds from Issuance Initial Public Offering Additional paid-in capital Additional Paid in Capital Class of Stock [Axis] Class of Stock [Axis] Operating sublease, payments due Lessee, Operating Sublease, Payments, Due Lessee, Operating Sublease, Payments, Due Merchandise Inventories Inventory, Policy [Policy Text Block] Income tax benefit Income Tax Expense (Benefit) Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Principal maturities of debt Schedule of Maturities of Long-term Debt [Table Text Block] Accrued expenses Accrued Liabilities, Current Diluted earnings (loss) per share (in usd per share) Diluted (in usd per share) Earnings Per Share, Diluted Finance lease, liability, current Finance Lease, Liability, Current Local Phone Number Local Phone Number Cumulative Effect, Period of Adoption [Domain] Cumulative Effect, Period of Adoption [Domain] Tranche I PSU's Share-based Payment Arrangement, Tranche One [Member] Long-term Portion Accounts Receivable, after Allowance for Credit Loss, Noncurrent Long-term debt, gross Long-term Debt, Gross Schedule of long-term debt Schedule of Long-term Debt Instruments [Table Text Block] Depreciation of property and equipment Depreciation Entity Address, Address Line One Entity Address, Address Line One Exercise and vesting of share-based awards Shares Issued, Value, Share-based Payment Arrangement, before Forfeiture Contract with customer, liability Contract with Customer, Liability Entity Emerging Growth Company Entity Emerging Growth Company Performance Target Level [Domain] Performance Target Level [Domain] Performance Target Level Deferred income taxes Deferred Income Tax Expense (Benefit) Non-TCAP Non-Temporary Commission Adjustment Program [Member] Non-Temporary Commission Adjustment Program Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Award Type [Axis] Award Type [Axis] 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] Amortization of debt issuance costs Amortization of Debt Issuance Costs Maximum Maximum [Member] Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Principal payments on other borrowings Repayments of Other Debt First Lien Credit Agreement First Lien Credit Agreement [Member] First Lien Credit Agreement [Member] Maximum Maximum Target Level [Member] Maximum Target Level Retained Earnings Retained Earnings [Member] Preferred stock, outstanding (in shares) Preferred Stock, Shares Outstanding Measurement Basis [Axis] Measurement Basis [Axis] Schedule of interest expense, net Interest Income and Interest Expense Disclosure [Table Text Block] Finance Lease, Liability, Current, Statement of Financial Position [Extensible List] Finance Lease, Liability, Current, Statement of 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Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Earnings (Loss) Per Share Earnings Per Share [Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Current liabilities: Liabilities, Current [Abstract] Entity Shell Company Entity Shell Company Accounts Receivable, after Allowance for Credit Loss [Abstract] Accounts Receivable, after Allowance for Credit Loss [Abstract] Options vested and expected to vest (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price 2022 Finance Lease, Liability, to be Paid, Year Two Segment Reporting Segment Reporting, Policy [Policy Text Block] Proceeds from line of credit Proceeds from Lines of Credit Recently Adopted Accounting Standards and Recently Issued Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Statement of Financial Position [Abstract]