1001 - Document - Cover link:presentationLink link:definitionLink link:calculationLink 1002 - Statement - Statements of Net Assets Available for Benefits link:presentationLink link:definitionLink link:calculationLink 1003 - Statement - Statement of Changes in Net Assets Available for Benefits link:presentationLink link:definitionLink link:calculationLink 1004 - Disclosure - Description Of The Plan link:presentationLink link:definitionLink link:calculationLink 1005 - Disclosure - Significant Accounting Policies link:presentationLink link:definitionLink link:calculationLink 1006 - Disclosure - Party-In-Interest Transactions link:presentationLink link:definitionLink link:calculationLink 1007 - Disclosure - Federal Income Tax Status link:presentationLink link:definitionLink link:calculationLink 1008 - Disclosure - Fair Value Of Financial Instruments link:presentationLink link:definitionLink link:calculationLink 1009 - Disclosure - Investment Contract With Insurance Company link:presentationLink link:definitionLink link:calculationLink 1010 - Disclosure - Schedule H, Line 4i – Schedule of Assets (Held at End of Year) link:presentationLink link:definitionLink link:calculationLink 1011 - Disclosure - Significant Accounting Policies (Policies) link:presentationLink link:definitionLink link:calculationLink 1012 - Disclosure - Fair Value Of Financial Instruments (Tables) link:presentationLink link:definitionLink link:calculationLink 1013 - Disclosure - Description Of The Plan - Additional information (Detail) link:presentationLink link:definitionLink link:calculationLink 1014 - Disclosure - Significant Accounting Policies - Additional Information (Detail) link:presentationLink link:definitionLink link:calculationLink 1015 - Disclosure - Fair Value Of Financial Instruments - Summary Of The Plan's Financial Instruments Measured At Fair Value (Detail) link:presentationLink link:definitionLink link:calculationLink 1016 - Disclosure - Schedule H, Line 4i- Schedule of Assets (Held at End of Year) (Details) link:presentationLink link:definitionLink link:calculationLink 1017 - Disclosure - Schedule H, Line 4i- Schedule of Assets (Held at End of Year) (Details) Alternate link:presentationLink link:definitionLink link:calculationLink Cover [Abstract] Document Information [Table] Document Information [Line Items] Amendment Flag Current Fiscal Year End Date Document Fiscal Period Focus Document Fiscal Year Focus Document Period End Date Document Type Entity Central Index Key Entity Registrant Name Legal Entity [Axis] Entity [Domain] EBP 001 [Member] EBP, Statement of Net Asset Available for Benefit [Abstract] EBP, Statement of Net Asset Available for Benefit [Table] EBP, Statement of Net Asset Available for Benefit [Line Items] EBP, Asset [Abstract] Assets EBP, Investment, Fair Value [Abstract] Investments, at fair value: EBP, Investment, Excluding Plan Interest in Master Trust, Contract Value Guaranteed Income Fund, at contract value EBP, Investment, Excluding Plan Interest in Master Trust, Fair and Contract Value Total investments EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value Total investments, at fair value Financial Assets EBP, Receivable [Abstract] Receivables: EBP, Asset Total assets EBP, Employer Contribution, Receivable Employer's contributions EBP, Note Receivable from Participant Notes receivable from participants EBP, Participant Contribution, Receivable Participants' contributions EBP, Receivable Total receivables EBP, Liability [Abstract] Liabilities EBP, Accrued Expense Accrued expenses EBP, Net Asset Available for Benefit Net assets available for benefits Beginning of year End of year Investment Type [Axis] Investments [Domain] EBP, Employer, Common Stock Fund [Member] Share Of Registred Investment [Member] EBP, Statement of Change in Net Asset Available for Benefit [Abstract] EBP, Statement of Change in Net Asset Available for Benefit [Table] EBP, Statement of Change in Net Asset Available for Benefit [Line Items] EBP, Change in Net Asset Available for Benefit, Decrease [Abstract] Deductions from net assets attributed to: Employee Benefit Plan Change InNet Asset Available For Benefit [Abstract] Net assets available for benefits: EBP, Change in Net Asset Available for Benefit, Decrease Total deductions EBP, Change in Net Asset Available for Benefit, Decrease from Administrative Expense Administrative expenses EBP, Change in Net Asset Available for Benefit, Decrease from Payment to Participant Benefits paid to participants EBP, Change in Net Asset Available for Benefit, Increase (Decrease) Increase in net assets available for benefits EBP, Change in Net Asset Available for Benefit, Increase [Abstract] Additions to net assets attributed to: EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment [Abstract] Investment income: EBP, Change in Net Asset Available for Benefit, Increase Total additions EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Gain (Loss) on Investment Net appreciation in fair value of investments EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment Total investment income EBP, Change in Net Asset Available for Benefit, Increase from Dividend Income on Investment Dividend income EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Investment Interest income EBP, Change in Net Asset Available for Benefit, Increase from Contribution [Abstract] Contributions: EBP, Change in Net Asset Available for Benefit, Increase from Contribution Total contributions EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash and Noncash Employer EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Excluding Rollover Participant EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Rollover Rollover EBP, Description of Plan and Accounting Change [Abstract] EBP, Description of Plan [Table] EBP, Description of Plan [Line Items] EBP, Description of Plan [Text Block] Description Of The Plan EBP, Accounting Policy, Accounting Standard Update, and Change in Accounting Principle [Abstract] EBP, Accounting Policy [Table] EBP, Accounting Policy [Line Items] EBP, Summary of Accounting Policy [Text Block] Significant Accounting Policies EBP, Related Party and Party-in-Interest Transactions [Abstract] EBP, Related Party and Party-in-Interest Transactions [Table] EBP, Related Party and Party-in-Interest Transactions [Line Items] EBP, Related Party and Party-in-Interest Transactions [Text Block] Party-In-Interest Transactions EBP, Tax Status [Abstract] EBP, Tax Status [Table] EBP, Tax Status [Line Items] EBP, Tax Status [Text Block] Federal Income Tax Status EBP, Investment, Fair Value and NAV [Abstract] EBP, Investment, Fair Value and NAV [Table] EBP, Investment, Fair Value and NAV [Line Items] EBP, Investment, Fair Value and NAV [Text Block] Fair Value Of Financial Instruments Employee Benefit Plan Investment Contract With Insurance Company Plan [Abstract] Employee Benefit Plan Investment Contract With Insurance Company Plan [Table] Employee Benefit Plan Investment Contract With Insurance Company Plan [Line Items] Employee Benefit Plan Investment Contract With Insurance Company Plan [Text Block] Investment Contract With Insurance Company Employee benefit plan investment contract with insurance company plan. EBP, Schedule of Asset Held for Investment [Abstract] EBP, Schedule of Asset Held for Investment [Table] EBP, Schedule of Asset Held for Investment [Line Items] EBP, Schedule of Asset Held for Investment [Table Text Block] Schedule H, Line 4i – Schedule of Assets (Held at End of Year) EBP, Risk and Uncertainty [Policy Text Block] Risks and Uncertainties Employee Benefit Plan Administrative Expenses [Policy Text Block] Administrative Expenses Employee benefit plan administrative expenses policy text block. EBP, Basis of Accounting [Policy Text Block] Basis of Accounting EBP, Contribution [Policy Text Block] Contributions EBP, Investment [Policy Text Block] Investment Valuation and Income Recognition EBP, Note Receivable from Participant [Policy Text Block] Notes Receivable from Participants EBP, Payment to Participant [Policy Text Block] Benefit Payments Employee Benefit Plan Plan Termination [Policy Text Block] Plan Termination Employee benefit plan plan termination policy text block. Employee Benefit Plan Recently Issued Accounting Pronouncements [Policy Text Block] Recently Issued Accounting Pronouncements Employee benefit plan recently issued accounting pronouncements policy text block. EBP, Subsequent Event [Policy Text Block] Subsequent Events EBP, Use of Estimate [Policy Text Block] Use of Estimates EBP, Investment, Fair Value and NAV [Table Text Block] Summary Of The Plan's Financial Instruments Measured At Fair Value EBP Vesting Tranche [Axis] EBP Vesting Tranche [Domain] EBP Vesting Tranche Five [Member] EBP Vesting Tranche Four [Member] EBP Vesting Tranche Three [Member] EBP Vesting Tranche Two [Member] Employee Benefit Plan Account Balance Minus Current Outstanding Loan Balance Percentage Employee Benefit Plan, Account balance minus current outstanding loan balance percentage Employee benefit plan account balance minus current outstanding loan balance percentage. Employee Benefit Plan Additional Participant Contribution Vesting Percentage Employee Benefit Plan, Additional participant contribution vesting, Percentage Employee benefit plan additional participant contribution vesting percentage. EBP, Forfeited Nonvested Account, Decrease from Administrative Expense EBP, Forfeited nonvested account, Decrease from administrative expense EBP, Forfeited Nonvested Account, Decrease from Employer Contribution EBP, Forfeited nonvested account, Decrease from employer contribution Employee Benefit Plan Maximum Uniform Rate Percentage Employee Benefit Plan, Maximum uniform rate, Percentage Employee benefit plan maximum uniform rate percentage. Employee Benefit Plan Minimum Uniform Rate Percentage Employee Benefit Plan, Minimum uniform rate, Percentage Employee benefit plan minimum uniform rate percentage. EBP, Note Receivable from Participant, Account, Maximum Borrowing, Amount EBP, Notes receivable from participant Account of maximum borrowing, Amount EBP, Note Receivable from Participant, Account, Minimum Borrowing, Amount EBP, Notes receivable from participant account of minimum borrowing, Amount EBP, Participant Contribution, Pretax, Maximum Annual Compensation to Total Compensation, Percentage EBP, Participant contribution, Pretax, Maximum annual compensation to total compensation, Percentage Employee Benefit Plan Participant Contribution Vesting Percentage Employee Benefit Plan, Participant contribution vesting, Percentage Employee benefit plan participant contribution vesting percentage. Statistical Measurement [Axis] Statistical Measurement [Domain] Maximum [Member] Minimum [Member] Employee Benefit Plan, Plan Termination, Employer Contribution, Vesting Percentage Employee Benefit Plan, Participant contribution vesting percentage Employee Benefit Plan, Plan Termination, Employer Contribution, Vesting Percentage. Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Fair Value, Inputs, Level 1 [Member] Level 1 Fair Value, Inputs, Level 2 [Member] Level 2 Fair Value, Inputs, Level 3 [Member] Level 3 EBP, Participant-Directed and Nonparticipant-Directed Status [Axis] EBP, Participant-Directed and Nonparticipant-Directed Status [Domain] EBP, Asset Held for Investment EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution EBP, Asset Held for Investment, Party-in-Interest [true false] EBP, Investment, Issuer Name [Extensible Enumeration] EBP, Investment, Current Value, Type [Extensible Enumeration] EBP, Asset Held for Investment, Participant Loan, Interest Rate EBP, Plan Number Entity Tax Identification Number Investment, Identifier [Axis] Investment, Issuer Name [Axis] Investment, Issuer Name [Domain] Guaranteed Income Fund [Member] Registered Investment 2010 Target Date Retirement Fund [Member] Registered Investment 2015 Target Date Retirement Fund [Member] Registered Investment 2020 Target Date Retirement Fund [Member] Registered Investment 2025 Target Date Retirement Fund [Member] Registered Investment 2040 Target Date Retirement Fund [Member] Registered Investment 2045 Target Date Retirement Fund [Member] Registered Investment 2050 Target Date Retirement Fund [Member] Registered Investment 2055 Target Date Retirement Fund [Member] Registered Investment 2060 Target Date Retirement Fund [Member] Registered Investment 2065 Target Date Retirement Fund [Member] Registered Investment 2070 Target Date Retirement Fund [Member] Registered Investment Core Plus Bond Fund [Member] Registered Investment Equity Income Fund [Member] Registered Investment International Growth Fund [Member] Registered Investment International Index Fund [Member] Registered Investment [Member] Registered Investment Mid Cap Index Fund [Member] Registered Investment New World R6 Fund [Member] Registered Investment SmallCapIndex Fund [Member] American Funds [Member] Baird Asset Management [Member] Empower Annuity Insurance Company [Member] Fidelity [Member] J.P. Morgan Asset Management [Member] Monro, Inc [Member] Vanguard [Member] EBP, Participant-Directed [Member] Monro Stock Fund [Member] Registered Investment 2030 Target Date Retirement Fund [Member] Registered Investment 2035 Target Date Retirement Fund [Member] Registered Investment 500 Index Fund [Member] Registered Investment Large Cap Growth R6 Fund [Member]