Document And Entity Information [Abstract] Document And Entity Information [Abstract] Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Document Type Document Type Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Amendment Flag Amendment Flag Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Statement of Cash Flows [Abstract] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Net income Net Income (Loss) Attributable to Parent Adjustments to reconcile net income to cash provided by operating activities: Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation of property and equipment Depreciation Amortization of intangible assets Amortization of Intangible Assets Amortization of loan costs Amortization of Debt Discount (Premium) Asset impairment Asset Impairment Charges Deferred income tax expense Deferred Income Tax Expense (Benefit) Non-cash stock option compensation Share-based Compensation Non-cash inventory adjustments Inventory Write-down Debt issuance costs Amortization of Debt Issuance Costs Other Other Noncash Income (Expense) Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Accounts receivable, net Increase (Decrease) in Accounts Receivable Inventories Increase (Decrease) in Inventories Other assets Increase (Decrease) in Other Operating Assets Accounts payable Increase (Decrease) in Accounts Payable Other liabilities Increase (Decrease) in Other Operating Liabilities Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Purchase of property and equipment Payments to Acquire Property, Plant, and Equipment Purchase of investments Payments to Acquire Investments Other Payments for (Proceeds from) Other Investing Activities Net cash used for investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Proceeds from issuance of long-term debt Proceeds from Issuance of Long-term Debt Proceeds from issuance of common stock Proceeds from Issuance of Common Stock Principal payments on long-term debt Repayments of Long-term Debt Proceeds from exercise of stock options Proceeds from Stock Options Exercised Payments on capital lease obligations Repayments of Long-term Capital Lease Obligations Debt issuance costs Payments of Debt Issuance Costs Dividend to stockholders Payments of Dividends Net cash used for financing activities Net Cash Provided by (Used in) Financing Activities Net change in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect Cash and cash equivalents, beginning of year Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents, end of period Supplemental cash flow disclosure information: Supplemental Cash Flow Elements [Abstract] Non-cash financing activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Deferred offering costs accrued at the end of period Offering Costs Incurred But Not Yet Paid Future cash flow to pay for offering costs that have been incurred. Equity Method Investments and Joint Ventures [Abstract] Schedule of Equity Method Investments [Table] Schedule of Equity Method Investments [Table] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] Equity Method Investee Equity Method Investee [Member] Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] Base Rate Base Rate [Member] Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Secured convertible promissory note receivable Notes Receivable, Related Parties, Noncurrent Fixed interest rate on note receivable (percent) Notes Receivable, Interest Rate, Stated Percentage Notes Receivable, Interest Rate, Stated Percentage Variable interest rate on note receivable (percent) Notes Receivable, Basis Spread On Variable Rate Notes Receivable, Basis Spread On Variable Rate Equity method investment Equity Method Investments Income Statement [Abstract] Revenue: Revenue, Net [Abstract] Net product sales Sales Revenue, Goods, Net Net sales of services and plans Sales Revenue, Services, Net Total net revenue Revenue, Net Costs applicable to revenue (exclusive of depreciation and amortization): Cost of Goods and Services Sold [Abstract] Products Cost of Goods Sold Services and plans Cost of Services Total costs applicable to revenue Cost of Goods and Services Sold Operating expenses: Operating Expenses [Abstract] Selling, general and administrative expenses Selling, General and Administrative Expense Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Litigation settlement Gain (Loss) Related to Litigation Settlement Other expense, net Other Cost and Expense, Operating Total operating expenses Operating Expenses Income from operations Operating Income (Loss) Interest expense, net Interest Expense, Debt Earnings before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income tax provision Income Tax Expense (Benefit) Net income Earnings per share: Earnings Per Share [Abstract] Basic (in usd per share) Earnings Per Share, Basic Diluted (in usd per share) Earnings Per Share, Diluted Weighted average shares outstanding: Earnings Per Share, Basic and Diluted, Other Disclosures [Abstract] Basic (shares) Weighted Average Number of Shares Outstanding, Basic Diluted (shares) Weighted Average Number of Shares Outstanding, Diluted Comprehensive income: Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Change in fair value of hedge instruments Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, before Tax, Portion Attributable to Parent Tax (provision) benefit of change in fair value of hedge instruments Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax, Portion Attributable to Parent Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Segment Reporting [Abstract] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] Legacy Legacy [Member] Legacy [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Number of reportable segments Number of Reportable Segments Number of retail vision centers Number of Stores Revenue associated with managing operations of partner Sales Revenue, Services, Other Related Party Transactions [Abstract] Related Party Transactions Related Party Transactions Disclosure [Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Schedule of Stock Option Activity Share-based Compensation, Stock Options, Activity [Table Text Block] Equity [Abstract] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Cash Flow Hedges Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Loss, Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Beginning balance Stockholders' Equity Attributable to Parent Other comprehensive loss before reclassification OCI, before Reclassifications, Net of Tax, Attributable to Parent Amount reclassified from AOCL Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Net current period other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Ending balance Accounting Policies [Abstract] Subsidiary or Equity Method Investee, Sale of Stock by Subsidiary or Equity Investee [Table] Subsidiary or Equity Method Investee, Sale of Stock by Subsidiary or Equity Investee [Table] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Forecast Scenario, Forecast [Member] Additional Paid-in Capital Additional Paid-in Capital [Member] Sale of Stock [Line Items] Subsidiary, Sale of Stock [Line Items] Deferred offering costs Deferred Offering Costs Deferred offering costs accrued Estimated increase to be recorded to additional paid-in-capital related to IPO Stock Issued During Period, Value, New Issues Effective income tax rate Effective Income Tax Rate Reconciliation, Percent Income tax benefit related to recapitalization dividend Effective Income Tax Rate Reconciliation, Deduction, Dividends, Amount Reduction of effective income tax rate related to recapitalization dividend (percent) Effective Income Tax Rate Reconciliation, Deduction, Dividend, Percent Reduction of effective income tax rate related to other items (percent) Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Increase in tax expense related to change in deferred tax asset valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Increase in effective tax rate related to change in deferred tax asset valuation allowance (percent) Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Earnings Per Share Earnings Per Share [Text Block] Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Operating Segments Operating Segments [Member] Reconciling Items Segment Reconciling Items [Member] Owned & Host Owned And Host Store Brands [Member] Owned And Host Store Brands [Member] Corporate/Other Corporate and Other [Member] Segment product revenues Segment services and plans revenues Cost of products Cost of services and plans SG&A Debt issuance costs Debt Related Commitment Fees and Debt Issuance Costs EBITDA Earnings Before Interest, Taxes, Depreciation, And Amortization Earnings (Loss) Before Interest, Taxes, Depreciation, And Amortization Interest expense, net Interest Expense Statement of Financial Position [Abstract] Common stock, par value (in usd per share) Common Stock, Par or Stated Value Per Share Common stock, shares authorized Common Stock, Shares Authorized Common stock, shares, issued Common Stock, Shares, Issued Common stock, shares, outstanding Common Stock, Shares, Outstanding Treasury stock, shares Treasury Stock, Shares Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Fiscal Year Fiscal Period, Policy [Policy Text Block] Use of Estimates Use of Estimates, Policy [Policy Text Block] Deferred Offering Costs Deferred Charges, Policy [Policy Text Block] Recently Issued Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Schedule of Accounts Receivable, Net Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Schedule of Inventories Schedule of Inventory, Current [Table Text Block] Schedule of Property and Equipment, Net Property, Plant and Equipment [Table Text Block] Schedule of Other Payables and Accrued Expenses Other Current Liabilities [Table Text Block] Schedule of Other Noncurrent Liabilities Other Noncurrent Liabilities [Table Text Block] Statement [Table] Statement [Table] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Trademarks and trade names Trademarks and Trade Names [Member] Other intangible assets, net Other Intangible Assets [Member] Statement [Line Items] Statement [Line Items] ASSETS Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Accounts receivable, net of allowances Accounts Receivable, Net, Current Inventories Inventory, Net Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Total current assets Assets, Current Property and equipment, net Property, Plant and Equipment, Net Other assets and deferred costs: Assets, Noncurrent [Abstract] Goodwill Goodwill Intangible assets Finite-Lived Intangible Assets, Net Other assets Other Assets, Noncurrent Total non-current assets Assets, Noncurrent Total assets Assets LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Accounts payable Accounts Payable, Current Other payables and accrued expenses Accrued Liabilities, Current Unearned revenue Customer Advances, Current Deferred revenue Deferred Revenue, Current Current maturities of long-term debt Long-term Debt and Capital Lease Obligations, Current Total current liabilities Liabilities, Current Long-term debt, less current portion and debt discount Long-term Debt and Capital Lease Obligations Other non-current liabilities: Liabilities, Other than Long-term Debt, Noncurrent [Abstract] Deferred revenue Deferred Revenue, Noncurrent Other liabilities Other Liabilities, Noncurrent Deferred income taxes, net Deferred Income Tax Liabilities, Net Total other non-current liabilities Liabilities, Other than Long-term Debt, Noncurrent Commitments and contingencies Commitments and Contingencies Stockholders’ equity: Stockholders' Equity Attributable to Parent [Abstract] Common stock, $0.01 par value; 200,000 shares authorized; 56,477 and 56,202 shares issued and outstanding as of September 30, 2017 and December 31, 2016, respectively. Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Retained earnings (deficit) Retained Earnings (Accumulated Deficit) Treasury stock, at cost; 28 shares as of September 30, 2017 and December 31, 2016 Treasury Stock, Value Total stockholders’ equity Total liabilities and stockholders’ equity Liabilities and Equity Schedule of Reconciliation of Basic and Diluted EPS Calculations Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Details of Certain Balance Sheet Accounts Supplemental Balance Sheet Disclosures [Text Block] Other payables and accrued expenses: Accounts Payable and Accrued Liabilities, Current [Abstract] Employee compensation and benefits Employee-related Liabilities, Current Advertising Accrued Advertising, Current Self-insurance reserves Self Insurance Reserve, Current Reserves for customer returns and remakes Reserves For Customer Returns And Remakes, Current Reserves For Customer Returns And Remakes, Current Capital expenditures Capital Expenditures Payable, Current Capital Expenditures Payable, Current Legacy management and services agreement Due to Related Parties, Current Rental expenses Deferred Rent Credit, Current Fair value of derivative liabilities Derivative Liability, Current Professional fees Accrued Professional Fees, Current Supplies and other store support expenses Accrued Supplies And Store Support, Current Accrued Supplies And Store Support, Current Litigation settlements Settlement Liabilities, Current Other Other Accrued Liabilities, Current Total other payables and accrued expenses Other non-current liabilities: Other Liabilities Disclosure [Abstract] Fair value of derivative liabilities Derivative Liability, Noncurrent Tenant improvements Incentive from Lessor Deferred rental expenses Deferred Rent Credit, Noncurrent Self-insurance reserves Self Insurance Reserve, Noncurrent Above market leases Off-market Lease, Unfavorable Other Other Sundry Liabilities, Noncurrent Total other non-current liabilities Debt Disclosure [Abstract] Debt Debt Disclosure [Text Block] Fair Value Disclosures [Abstract] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Term Loan Loans Payable [Member] Capital Lease Obligations Capital Lease Obligations [Member] Measurement Basis [Axis] Measurement Basis [Axis] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Estimated Fair Value Estimate of Fair Value Measurement [Member] Carrying Value Reported Value Measurement [Member] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Level 2 Fair Value, Inputs, Level 2 [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Debt instruments Debt Instrument, Fair Value Disclosure Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type [Axis] Award Type [Axis] Equity Award [Domain] Equity Award [Domain] Service-Based and Performance-Based Stock Option, Service-Based And Performance-Based [Member] Stock Option, Service-Based And Performance-Based [Member] Service-Based Stock Option, Service-Based [Member] Stock Option, Service-Based [Member] Exercise Price Range [Axis] Exercise Price Range [Axis] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain] Option exercise price $9.24 per share Share-Based Compensation, Options, Exercise Price, Group One [Member] Share-Based Compensation, Options, Exercise Price, Group One [Member] Option exercise price $7.24 per share Share-Based Compensation, Options, Exercise Price, Group Two [Member] Share-Based Compensation, Options, Exercise Price, Group Two [Member] Option exercise price $4.27 per share Share-Based Compensation, Options, Exercise Price, Group Three [Member] Share-Based Compensation, Options, Exercise Price, Group Three [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Aggregate number of shares reserved under stock incentive plan (shares) Common Stock, Capital Shares Reserved for Future Issuance Number of options issued and outstanding, excluding rollover options (shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Aggregate number of common shares issued upon option exercises under stock incentive plan (shares) Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Aggregate Number Of Common Shares Issued Upon Exercises, As Of Balance Sheet Date Aggregate number of common shares issued upon exercise of stock options under incentive plan as of balance sheet date. Number of shares available for future grants (shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Fair value of options granted Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Granted In Period, Fair Value Fair value of options granted. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock. Exercised (shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Exercise price of options exercised (in usd per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Intrinsic value of options exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Tax benefit from option exercises Employee Service Share-based Compensation, Tax Benefit from Exercise of Stock Options Fair value of options vested and outstanding Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Exercisable, Fair Value Share-based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Fair Value Unrecognized service cost Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options Loss Contingencies [Table] Loss Contingencies [Table] Litigation Case [Axis] Litigation Case [Axis] Litigation Case [Domain] Litigation Case [Domain] 1-800 Contacts Matter One Eight Hundred Contacts Matter [Member] One Eight Hundred Contacts Matter [Member] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Amount of litigation settlement Litigation Settlement, Amount Awarded to Other Party Schedule of Fair Value of Cash Flow Hedge Derivative Contracts Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Equity Method Investment Equity Method Investments and Joint Ventures Disclosure [Text Block] Schedule of Error Corrections and Prior Period Adjustment Restatement [Table] Schedule of Error Corrections and Prior Period Adjustment Restatement [Table] Adjustments for Error Corrections [Axis] Adjustments for Error Corrections [Axis] Adjustments for Error Correction [Domain] Adjustments for Error Correction [Domain] Inventory Valuation Inventory Valuation [Member] Inventory Valuation [Member] Restatement Correction Restatement Adjustment [Member] Error Corrections and Prior Period Adjustments Restatement [Line Items] Error Corrections and Prior Period Adjustments Restatement [Line Items] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Receivable Type [Axis] Receivable Type [Axis] Receivable [Domain] Receivable [Domain] Trade receivables Trade Accounts Receivable [Member] Credit card receivables Credit Card Receivable [Member] Tenant improvement allowances receivable Tenant Improvement Allowance Receivable [Member] Tenant Improvement Allowance Receivable [Member] Other receivables Other Receivables [Member] Other Receivables [Member] Accounts receivable, net: Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts receivable, gross Accounts Receivable, Gross, Current Allowance for uncollectible accounts Allowance for Doubtful Accounts Receivable, Current Accounts receivable, net of allowances Inventories: Inventory, Net, Combining Work in Process and Raw Materials Alternative [Abstract] Raw materials and work in process Inventory, Work in Process and Raw Materials, Net of Reserves Finished goods Inventory, Finished Goods, Net of Reserves Inventories Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Land and building Land and Building [Member] Equipment Equipment [Member] Furniture and fixtures Furniture and Fixtures [Member] Leasehold improvements Leasehold Improvements [Member] Construction in progress Construction in Progress [Member] Property under capital leases Assets Held under Capital Leases [Member] Property and equipment, net: Property, Plant and Equipment [Line Items] Property and equipment, gross Property, Plant and Equipment, Gross Less accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Property and equipment, net Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] First Lien Credit Agreement First Lien Credit Agreement [Member] First Lien Credit Agreement [Member] KKR Majority Shareholder [Member] Counterparty Name [Axis] Counterparty Name [Axis] Counterparty Name [Domain] Counterparty Name [Domain] Third Party Third Party [Member] Third Party [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Borrowed funds Debt Instrument, Face Amount Original issue discount Debt Instrument, Unamortized Discount Borrowing rate Debt Instrument, Interest Rate, Stated Percentage Increase in quarterly principal payments Debt Instrument, Increase (Decrease) In Periodic Payment, Principal Debt Instrument, Increase (Decrease) In Periodic Payment, Principal Current maturities Long-term Debt, Current Maturities Capital Leases, Future Minimum Payments Due [Abstract] Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] Capital lease commitments due in fiscal year 2017 Capital Leases, Future Minimum Payments, Remainder of Fiscal Year Capital lease commitments due in fiscal year 2018 Capital Leases, Future Minimum Payments Due in Two Years Capital lease commitments due in fiscal year 2019 Capital Leases, Future Minimum Payments Due in Three Years Capital lease commitments due in fiscal year 2020 Capital Leases, Future Minimum Payments Due in Four Years Capital lease commitments due in fiscal year 2021 Capital Leases, Future Minimum Payments Due in Five Years Capital lease commitments due thereafter Capital Leases, Future Minimum Payments Due Thereafter Subsequent Event [Table] Subsequent Event [Table] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event Subsequent Event [Member] Subsequent Event [Line Items] Subsequent Event [Line Items] Stock split conversion ratio Stockholders' Equity Note, Stock Split, Conversion Ratio Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Stock Options Employee Stock Option [Member] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Dividends paid per share of common stock (in usd per share) Common Stock, Dividends, Per Share, Cash Paid Cash distribution per share to vested option holders (in usd per share) Share-Based Compensation, Dividends, Per Share, Cash Paid Share-Based Compensation, Dividends, Per Share, Cash Paid Cash distribution to vested option holders Dividends, Share-based Compensation, Cash Tax benefit from cash distribution to vested option holders Employee Service Share-Based Compensation, Tax Benefit From Cash Distribution To Vested Option Holders Employee Service Share-Based Compensation, Tax Benefit From Cash Distribution To Vested Option Holders Reduction in exercise price for unvested options (in usd per share) Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Nonvested, Reduction In Per Share Exercise Price Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Nonvested, Reduction In Per Share Exercise Price Reduction in additional paid-in capital related to dividends in excess of retained earnings Adjustments to Additional Paid in Capital, Dividends in Excess of Retained Earnings Vested Rollover Stock Option, Vested Rollover [Member] Stock Option, Vested Rollover [Member] Performance-Based Stock Option, Performance-Based [Member] Stock Option, Performance-Based [Member] Options issued and outstanding Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Outstanding, beginning balance (shares) Issued (shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Exercised (shares) Outstanding, ending balance (shares) Options vested and exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested And Exercisable, Number of Shares [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested And Exercisable, Number of Shares [Roll Forward] Exercisable, beginning balance (shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Vested during period (shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares Exercised during period (shares) Exercisable, ending balance (shares) Accumulated Other Comprehensive Loss Stockholders' Equity Note Disclosure [Text Block] Stock Incentive Plan Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Number of optical laboratories Number Of Optical Laboratories Number Of Optical Laboratories Number of distribution centers Number Of Distribution Centers Number Of Distribution Centers Number of retail optical locations Number of store brands Number Of Store Brands Number Of Store Brands Subsequent Events [Abstract] Subsequent Events Subsequent Events [Text Block] Schedule of Related Party Agreements with Equity Sponsors Schedule of Related Party Transactions [Table Text Block] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Interest Rate Swap Interest Rate Swap [Member] Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Designated as Hedging Instrument Designated as Hedging Instrument [Member] Hedging Relationship [Axis] Hedging Relationship [Axis] Hedging Relationship [Domain] Hedging Relationship [Domain] Cash Flow Hedges Cash Flow Hedging [Member] Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Number of interest rate swap agreements Derivative, Number of Instruments Held Notional amount Derivative Liability, Notional Amount Fair value of derivative liabilities, current Fair value of derivative liabilities, noncurrent Hedge position in AOCL, net of tax Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax Estimated reclassification from AOCL to earnings in next 12 months Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net Fair Value Measurements of Financial Assets and Liabilities Derivatives and Fair Value [Text Block] Schedule of Financial Data by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Segment Reporting Segment Reporting Disclosure [Text Block] Schedule of Accumulated Other Comprehensive Loss Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Description of Business and Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Cost method investment, original cost Cost Method Investments, Original Cost Impairment of cost method investment Cost-method Investments, Other than Temporary Impairment Berkshire Principal Owner [Member] Expenses related to management and/or advisory fees Related Party Transaction, Expenses from Transactions with Related Party Weighted average shares outstanding for basic EPS Effect of dilutive securities: Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract] Stock options Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Weighted average shares outstanding for diluted EPS Basic EPS (in usd per share) Diluted EPS (in usd per share) Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Anti-dilutive options outstanding excluded from EPS Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Sale of Stock [Axis] Sale of Stock [Axis] Sale of Stock [Domain] Sale of Stock [Domain] IPO IPO [Member] Underwriter Option Over-Allotment Option [Member] First Lien Term Loans First Lien Term Loans [Member] First Lien Term Loans [Member] Second Lien Term Loans Second Lien Term Loans [Member] Second Lien Term Loans [Member] Class of Stock [Line Items] Class of Stock [Line Items] Shares issued in initial public offering (shares) Sale of Stock, Number of Shares Issued in Transaction Shares issued, offering price (in usd per share) Sale of Stock, Price Per Share Net proceeds from initial public offering Sale of Stock, Consideration Received on Transaction Underwriting discounts and commissions Payments of Stock Issuance Costs Repayments of long-term debt Extinguishment of debt Extinguishment of Debt, Amount Termination fees to related party Ownership percentage in Company retained by equity sponsor Related Party, Ownership Percentage Of Company Related Party, Ownership Percentage Of Company Transaction-related expenses expected during fourth quarter Payments Of Stock Issuance Costs, Expected In Subsequent Fiscal Quarter Payments Of Stock Issuance Costs, Expected In Subsequent Fiscal Quarter Component of proceeds from initial public offering to be used for general corporate purposes Proceeds From Issuance Initial Public Offering, Component Of Proceeds Used For Operations Proceeds From Issuance Initial Public Offering, Component Of Proceeds Used For Operations Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] 2017 Omnibus Incentive Plan Two Thousand Seventeen Omnibus Incentive Plan [Member] Two Thousand Seventeen Omnibus Incentive Plan [Member] Restricted Stock Units Restricted Stock Units (RSUs) [Member] Vesting [Axis] Vesting [Axis] Vesting [Domain] Vesting [Domain] Vesting in Two Equal Installments Share-based Compensation Award, Tranche One [Member] Vesting in Three Equal Installments Share-based Compensation Award, Tranche Two [Member] Line of Credit Line of Credit [Member] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Revolving Credit Facility Revolving Credit Facility [Member] LIBOR London Interbank Offered Rate (LIBOR) [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Maximum Maximum [Member] Minimum Minimum [Member] Number of shares of common stock authorized to be issued under plan (shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Stock options granted (shares) Options granted exercise price (in usd per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Award vesting period (in years) Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Unrecognized stock-based compensation expense Period of expense recognition Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Restricted stock units granted (shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Unvested restricted units (shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Unrecognized stock-based compensation expense Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options Preferred stock, shares authorized Preferred Stock, Shares Authorized Preferred stock, par value (in usd per share) Preferred Stock, Par or Stated Value Per Share Line of credit maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Debt issuance fees Debt instrument, face amount Variable interest rate (percent) Debt Instrument, Basis Spread on Variable Rate Decrease in applicable margin from previous interest rate margin (percent) Debt Instrument, Basis Point Increase (Decrease) In Interest Rate Margin Debt Instrument, Basis Point Increase (Decrease) In Interest Rate Margin Percent of settlement award deposited in escrow account (percent) Litigation Settlement, Percent Of Settlement To Be Paid Deposited In Escrow Account Litigation Settlement, Percent Of Settlement To Be Paid Deposited In Escrow Account Amount of settlement deposited in escrow account Litigation Settlement, Amount Of Settlement To Be Paid Deposited In Escrow Account Litigation Settlement, Amount Of Settlement To Be Paid Deposited In Escrow Account