Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Trading Arrangement: Trading Arrangement [Axis] Short-term Debt, Type [Axis] Short-Term Debt, Type [Axis] Title of 12(b) Security Title of 12(b) Security Subsequent Event Subsequent Event [Member] Net income available to common shareholders Net Income (Loss) Available to Common Stockholders, Diluted Document Fiscal Year Focus Document Fiscal Year Focus UniFirst Corporation transaction expenses Business Combination, Acquisition-Related Cost, Expense Adjustment to Compensation, Amount Adjustment to Compensation Amount Segment Reporting [Abstract] Segment Reporting [Abstract] Common stock Common Stock, Value, Issued 2028 Lessee, Operating Lease, Liability, to be Paid, Year One Accrued compensation and related liabilities Employee-related Liabilities, Current Restatement Determination Date Restatement Determination Date Derivative Instrument [Axis] Derivative Instrument [Axis] Vesting of stock-based compensation awards (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Amendment Flag Amendment Flag Other Accumulated Other Adjustment, Attributable To Parent [Member] Accumulated Other Adjustment [Member] Goodwill [Line Items] Goodwill [Line Items] Current liabilities: Liabilities, Current [Abstract] Average Price per Share (in dollars per share) Shares Acquired, Average Cost Per Share Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Amortization Amortization Thereafter Lessee, Operating Lease, Liability, To Be Paid, After Year Four Lessee, Operating Lease, Liability, To Be Paid, After Year Four Leases [Abstract] Leases [Abstract] Other comprehensive (loss) income, net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Total long-term liabilities Liabilities, Noncurrent Payment receive in cash (in dollars per share) Business Combination, Consideration Transferred, Equity Interests Issued And Issuable, Right-To-Receive Cash Per Acquiree Share Business Combination, Consideration Transferred, Equity Interests Issued And Issuable, Right-To-Receive Cash Per Acquiree Share Deferred income taxes Increase (Decrease) in Deferred Income Taxes Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Entity Address, State or Province Entity Address, State or Province Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent PEO Total Compensation Amount PEO Total Compensation Amount Capital expenditures Segment Reporting, Long-Lived Asset, Expenditure for Addition Amount Reclassified from Accumulated Other Comprehensive Income (Loss) Reclassification out of Accumulated Other Comprehensive Income [Member] Long-term liabilities: Liabilities, Noncurrent [Abstract] Notional value Derivative, Notional Amount Share Repurchase Program [Domain] Share Repurchase Program [Domain] Basic weighted average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Service contracts Service Agreements [Member] Reserves for obsolete inventory Inventory Valuation Reserves Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Debt due within one year Long-Term Debt and Lease Obligation, Current [Abstract] Total current liabilities Liabilities, Current 2031 Lessee, Operating Lease, Liability, to be Paid, Year Four Work in process Inventory, Work in Process, Net of Reserves Short-term Debt, Type [Domain] Short-Term Debt, Type [Domain] July 23, 2024 Plan Share Buyback Program, July 23, 2024 [Member] Share Buyback Program, July 23, 2024 Entity Address, City or Town Entity Address, City or Town Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Net Intangible Asset, Finite-Lived, after Accumulated Amortization Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Net income available to common shareholders Net Income (Loss) Available to Common Stockholders, Basic Revenue from Contract with Customer Benchmark Revenue from Contract with Customer Benchmark [Member] Accumulated Amortization Intangible Asset, Finite-Lived, Accumulated Amortization Level 2 Fair Value, Inputs, Level 2 [Member] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Revolving credit facility, maximum borrowing capacity with accordion feature Line of Credit Facility, Maximum Borrowing Capacity Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Total debt due within one year Total debt due within one year Long-Term Debt, Current Maturities Revenue Revenue Benchmark [Member] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Class of Treasury Stock [Table] Class of Treasury Stock [Table] New Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Schedule of Information Related to Operating Segments Segment Reporting [Table Text Block] Change in fair value of interest rate lock agreements, tax expense (benefit) Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax Other comprehensive income (loss), net of tax expense (benefit) of $2,420 and $(1,421), respectively Comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Total debt due after one year Long-Term Debt Schedule of Contractual Future Minimum Lease Payments of Operating Lease Liabilities Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Document Period End Date Document Period End Date Change in current assets and liabilities, net of acquisitions of businesses: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Unrecognized tax benefits Unrecognized Tax Benefits Preferred stock, outstanding (in shares) Preferred Stock, Shares Outstanding Basic Earnings per Share Earnings Per Share, Basic [Abstract] 2029 Lessee, Operating Lease, Liability, to be Paid, Year Two UniFirst Corporation UniFirst Corporation [Member] UniFirst Corporation Costs and expenses: Costs and Expenses [Abstract] Security Exchange Name Security Exchange Name Schedule of Reconciliation of Total Segment Operating Income to Net Income Segment Reporting, Reconciliation of Revenue by Segment to Consolidated [Table Text Block] Treasury stock Treasury Stock, Common, Value Business combination, price of acquisition, expected Business Combination, Price of Acquisition, Expected Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Domain] Route Servicing Fees Route Servicing Fees [Member] Route Servicing Fees Other comprehensive loss, tax expense (benefit) Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Consolidation Items [Domain] Consolidation Items [Domain] Operating lease liabilities, current Operating Lease, Liability, Current Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Earnings Per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name July 26, 2022 Plan Share Buyback Program, July 26, 2022 [Member] Share Buyback Program, July 26, 2022 Earnings Per Share [Abstract] Earnings Per Share [Abstract] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Document Fiscal Period Focus Document Fiscal Period Focus Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Trading Symbol Trading Symbol Senior Notes, 3.70%, 2027 Maturity Senior Notes, 3.70%, 2027 Maturity [Member] Senior Notes, 3.70%, 2027 Maturity [Member] Capital expenditures Payments to Acquire Property, Plant, and Equipment Schedule of Interest Rate Lock Agreements Schedule of Interest Rate Derivatives [Table Text Block] Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Income taxes, current Accrued Income Taxes, Current Company Selected Measure Name Company Selected Measure Name Amounts reclassified from accumulated other comprehensive income (loss) Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Diluted Earnings per Share Earnings Per Share, Diluted [Abstract] Debt due after one year, gross Long-Term Debt, Gross Credit Facility [Domain] Credit Facility [Domain] Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Compensation Amount Outstanding Recovery Compensation Amount Amortization of capitalized contract costs and other Capitalized Contract Cost, Amortization Individual: Individual [Axis] Diluted weighted average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Diluted Other information related to operating leases Lessee, Operating Lease, Additional Information [Abstract] Lessee, Operating Lease, Additional Information [Abstract] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Entity Emerging Growth Company Entity Emerging Growth Company Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Line of Credit Facility [Table] Line of Credit Facility [Table] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Commercial paper Commercial Paper [Member] Less interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Debt due within one year Short-Term Debt Gross margin Gross Profit Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Amortization of interest rate lock agreements - decrease to other comprehensive income Other Comprehensive Income (Loss), Amortization Of Interest Rate Lock Agreements, Net Of Tax Other Comprehensive Income (Loss), Amortization Of Interest Rate Lock Agreements, Net Of Tax Other intangible assets Other Intangible Assets [Member] Cash paid for amounts included in the measurement of operating lease liabilities Operating Lease, Payments Award Timing Predetermined Award Timing Predetermined [Flag] Treasury Stock   Treasury Stock, Common [Member] Intangible Asset, Goodwill and Other [Abstract] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Level 1 Fair Value, Inputs, Level 1 [Member] Effective tax rate Effective Income Tax Rate Reconciliation, Percent Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Total payments Lessee, Operating Lease, Liability, to be Paid Effect of dilutive securities – employee stock options (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements All Executive Categories All Executive Categories [Member] Interest rate lock agreements Interest Rate Lock Commitments [Member] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Depreciation Depreciation Operating lease right-of-use assets, net Operating Lease, Right-of-Use Asset Concentration Risk Type [Domain] Concentration Risk Type [Domain] Debt issuance costs Debt Issuance Costs, Current, Net Schedule of Computation of Basic and Diluted Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Segment Information Segment Reporting [Text Block] Revolving credit facility amount outstanding Long-Term Line of Credit Dividends paid Payments of Ordinary Dividends, Common Stock Expiration Date Trading Arrangement Expiration Date Schedule of Disaggregated Revenue Disaggregation of Revenue [Table Text Block] Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Location, Statement of Income, Balance [Axis] Location, Statement of Income, Balance [Axis] Line of credit facility, accordion feature, increase limit (up to) Line Of Credit Facility, Accordion Feature, Increase Limit Line Of Credit Facility, Accordion Feature, Increase Limit Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Business Combination [Line Items] Business Combination [Line Items] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Common stock, authorized (in shares) Common Stock, Shares Authorized Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Exercise Price Award Exercise Price Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Segment Reporting Segment Reporting [Line Items] Share buyback program, authorized amount Share Repurchase Program, Authorized, Amount Document Quarterly Report Document Quarterly Report Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Segments [Domain] Segments [Domain] Income taxes, current Increase (Decrease) in Income Taxes Payable, Net of Income Taxes Receivable Common Stock and Paid-In Capital  Common Stock Including Additional Paid in Capital [Member] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Business Combination [Table] Business Combination [Table] Equity Component [Domain] Equity Component [Domain] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Adoption Date Trading Arrangement Adoption Date Inventory Inventory, Policy [Policy Text Block] Interest rate Debt Instrument, Interest Rate, Stated Percentage Dividends Dividends, Common Stock, Cash Total shareholders’ equity Beginning balance Ending balance Equity, Attributable to Parent Uniform Rental and Facility Services Uniform Rental and Facility Services Uniform Rental And Facility Services Segment [Member] Uniform Rental And Facility Services Segment Incurred transaction expenses Business Combination, Separately Recognized Transaction, Acquisition-Related Cost, Incurred ASSETS Assets [Abstract] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Number of reportable segments not disclosed Number Of Reportable Segments Not Disclosed Flag Number Of Reportable Segments Not Disclosed Flag Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Total present value of lease payments Operating Lease, Liability Accrued liabilities Accounts Payable and Accrued Liabilities, Noncurrent Insider Trading Policies and Procedures [Line Items] Other, net Proceeds from (Payment for) Other Financing Activity Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Equity interests issued and issuable (in shares) Business Combination, Consideration Transferred, Equity Interests Issued And Issuable, Entity Shares Issued Per Acquiree Share Business Combination, Consideration Transferred, Equity Interests Issued And Issuable, Entity Shares Issued Per Acquiree Share Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Senior Notes 4.00%, 2032 Maturity Senior Notes 4.00%, 2032 Maturity [Member] Senior Notes 4.00%, 2032 Maturity Selling and administrative expenses Selling, General and Administrative Expense Business Combination [Domain] Business Combination [Domain] Letter of Credit Letter of Credit [Member] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Options granted excluded from the computation of diluted earnings per share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount October 28, 2025 Plan Share Buyback Program, October 28, 2025 [Member] Share Buyback Program, October 28, 2025 Deferred commissions, noncurrent Capitalized Contract Cost, Net, Noncurrent Schedule of Changes in Carrying Amount of Goodwill by Operating Segment Goodwill [Table Text Block] Entity Central Index Key Entity Central Index Key Debt issuance costs Debt Issuance Costs, Noncurrent, Net All Adjustments to Compensation All Adjustments to Compensation [Member] Corporate Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Business Combination [Axis] Business Combination [Axis] Equity [Abstract] Equity [Abstract] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Shareholders’ equity: Equity, Attributable to Parent [Abstract] Income Statement [Abstract] Income Statement [Abstract] Document Transition Report Document Transition Report Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Schedule of Intangible Assets Intangible Asset, Finite-Lived [Table Text Block] City Area Code City Area Code Accumulated Other Comprehensive Income Total AOCI Attributable to Parent [Member] All Individuals All Individuals [Member] Debt, fair value Debt Instrument, Fair Value Disclosure Name Forgone Recovery, Individual Name Finished goods Inventory, Finished Goods, Net of Reserves Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Statement [Line Items] Statement [Line Items] Total assets Total assets Assets Other Other Products And Services [Member] Other Products and Services [Member] Operating Segments Operating Segments [Member] Interest expense Interest expense Interest Expense, Nonoperating Other comprehensive (loss) income before reclassifications OCI, before Reclassifications, Net of Tax, Attributable to Parent PEO PEO [Member] Long-term debt, carrying amount Debt, Long-Term and Short-Term, Combined Amount Goodwill Beginning balance Ending balance Goodwill Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Goodwill acquired Goodwill, Acquired During Period Investments Investments Subsequent Event Type [Domain] Subsequent Event Type [Domain] Retained Earnings Retained Earnings [Member] Operating lease liabilities Operating Lease, Liability, Noncurrent Revolving credit facility Revolving Credit Facility [Member] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Common stock, outstanding (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Foreign Currency Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Diluted earnings per share (in dollars per share) Earnings Per Share, Diluted Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Entity Current Reporting Status Entity Current Reporting Status Net cash used in financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Shares acquired for taxes due Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Prepaid expenses and other current assets and capitalized contract costs Increase (Decrease) in Prepaid Expense and Other Assets Accrued compensation and related liabilities Increase (Decrease) in Employee Related Liabilities Amortization expense for service contracts and other intangible assets Intangible Asset, Finite-Lived, Amortization Expense Service contracts Intangible Asset, Finite-Lived [Line Items] Adjustments to reconcile net income to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Property and equipment, net Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Total revenue Revenue Revenue Revenue from Contract with Customer, Excluding Assessed Tax Interest rate lock agreements Derivative assets Derivative Asset Intangible Asset, Finite-Lived, Class [Axis] Intangible Asset, Finite-Lived, Class [Axis] Stock options exercised Stock Issued During Period, Value, Stock Options Exercised Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Goodwill and Other Intangible Assets Intangible Asset and Goodwill [Text Block] Underlying Securities Award Underlying Securities Amount Revenue Recognition Revenue from Contract with Customer [Text Block] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Proceeds from exercise of stock-based compensation awards Proceeds, Issuance of Shares, Share-Based Payment Arrangement, Including Option Exercised Uniforms and other rental items in service Uniforms And Other Rental Items In Service Aggregate carrying value as of the balance sheet date of the Uniform Rental and Facility Services operating segment inventory, valued at cost less amortization, calculated using the straight-line method. Other, net Payment for (Proceeds from) Other Investing Activity Inventories, net Increase (Decrease) in Inventories Weighted-average discount rate Operating Lease, Weighted Average Discount Rate, Percent Segment Reporting [Table] Segment Reporting [Table] Schedule of Operating Lease Cost and Additional Lease Information Lease, Cost [Table Text Block] All Trading Arrangements All Trading Arrangements [Member] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Amortization of interest rate lock agreements, tax benefit Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax Operating income Total segment operating income Operating Income (Loss) Current Fiscal Year End Date Current Fiscal Year End Date Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Dividends declared per share (in dollars per share) Common Stock, Dividends, Per Share, Declared Entity File Number Entity File Number Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Common stock, issued (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Issued Measure: Measure [Axis] Treasury stock (in shares) Beginning balance (in shares) Ending balance (in shares) Treasury Stock, Common, Shares Accumulated Other Comprehensive Income (Loss) Comprehensive Income (Loss) Note [Text Block] Equity Components [Axis] Equity Components [Axis] Accounts receivable, net Increase (Decrease) in Accounts Receivable Product and Service [Domain] Product and Service [Domain] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Entity Interactive Data Current Entity Interactive Data Current Deferred income taxes Deferred Income Tax Liabilities, Net Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Entity Small Business Entity Small Business Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent 2030 Lessee, Operating Lease, Liability, to be Paid, Year Three Termination Date Trading Arrangement Termination Date Shares acquired for taxes due (in shares) Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Other assets, net Other Assets, Noncurrent Document Type Document Type Acquisitions of businesses, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Fair value on a recurring basis Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Accrued liabilities Accrued Liabilities, Current Fair Value as of Grant Date Award Grant Date Fair Value Goodwill [Table] Goodwill [Table] Uniform Direct Sales Uniform Direct Sales [Member] Uniform Direct Sales [Member] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Arrangement Duration Trading Arrangement Duration Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Local Phone Number Local Phone Number Consolidation Items [Axis] Consolidation Items [Axis] Deferred commissions, current Capitalized Contract Cost, Net, Current Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Carrying Amount Intangible Asset, Finite-Lived, before Accumulated Amortization Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Axis] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] Goodwill [Roll Forward] Goodwill [Roll Forward] LIABILITIES AND SHAREHOLDERS’ EQUITY Liabilities and Equity [Abstract] Intangible Asset, Finite-Lived, Class [Domain] Intangible Asset, Finite-Lived, Class [Domain] Schedule of Fair Value of Financial Instruments Measured on a Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Inventories, net Inventories, net Inventory, Net All Award Types Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount 2027 (remaining nine months) Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Fair Value Measurements Fair Value Disclosures [Text Block] Level 3 Fair Value, Inputs, Level 3 [Member] Amortization of interest rate lock agreements, net of tax benefit of $(513) and $(513), respectively Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax Repurchase of common stock (in shares) Stock purchased under share buyback (in shares) Shares (in shares) Treasury Stock, Shares, Acquired PEO Name PEO Name Accrued liabilities and other Increase (Decrease) in Accrued Liabilities Unrealized Income on Interest Rate Locks Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Share Buyback Programs Share Buyback Programs [Member] Share Buyback Programs [Member] Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Senior Notes, 4.20%, 2028 Maturity Senior Notes, 4.20%, 2028 Maturity [Member] Senior Notes, 4.20%, 2028 Maturity Entity Tax Identification Number Entity Tax Identification Number Shares acquired for taxes due, average price (in dollars per share) Share-Based Payment Arrangement, Shares Withheld For Tax Withholding Obligation, Average Cost Share-Based Payment Arrangement, Shares Withheld For Tax Withholding Obligation, Average Cost Change in fair value of interest rate lock agreements, net of tax expense (benefit) of $2,933 and $(908), respectively Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Total purchase price of shares repurchased Purchase Price Treasury Stock, Value, Acquired, Cost Method Product Concentration Risk Product Concentration Risk [Member] Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Intangible Asset, Finite-Lived [Table] Intangible Asset, Finite-Lived [Table] Accounts payable Increase (Decrease) in Accounts Payable Noncash Share Repurchase Transaction Noncash Share Repurchase Transaction [Member] Noncash Share Repurchase Transaction Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Schedule of Reclassifications Out of Accumulated Other Comprehensive Income (Loss) Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Debt Instrument [Axis] Debt Instrument [Axis] Stock-based compensation Share-Based Payment Arrangement, Noncash Expense Schedule of Outstanding Debt Schedule of Debt [Table Text Block] Schedule of Inventory Schedule of Inventory, Current [Table Text Block] Leases Lessee, Operating Leases [Text Block] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Uniforms and other rental items in service Increase (Decrease) In Uniforms And Other Rental Items In Service This element represents the increase (decrease) in cash flows related to uniforms and other rental items in service for the current reporting year. Basic earnings per share (in dollars per share) Earnings Per Share, Basic Equity, Class of Treasury Stock [Line Items] Equity, Class of Treasury Stock [Line Items] Repurchase of common stock Payments for Repurchase of Common Stock Total current assets Assets, Current Insider Trading Arrangements [Line Items] Debt due after one year Long-Term Debt, Excluding Current Maturities Senior Notes, 6.15%, 2037 Maturity Senior Notes, 6.15%, 2037 Maturity [Member] Senior Notes, 6.15%, 2037 Maturity [Member] Cost of revenue Cost of sales Cost of Revenue Award Type Award Type [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Schedule of Buyback Activity by Program Class of Treasury Stock [Table Text Block] Retained earnings Retained Earnings (Accumulated Deficit) Product and Service [Axis] Product and Service [Axis] Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Reclassification out of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Table] Operating lease, cost Operating Lease, Cost Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover page. Cover [Abstract] Uniform Rental and Facility Services, First Aid and Safety Services and Fire Protection Services Uniform Rental And Facility Services, First Aid And Safety Services And Fire Protection Services [Member] Uniform Rental and Facility Services, First Aid and Safety Services and Fire Protection Services [Member] Derivative Contract [Domain] Derivative Contract [Domain] Percentage of revenue (as percent) Concentration Risk, Percentage Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Foreign currency translation Goodwill, Foreign Currency Translation, Gain (Loss) Equity Awards Adjustments Equity Awards Adjustments [Member] Service contracts, net Service Contracts Finite Lived Intangible Assets, Net The aggregate sum of gross carrying value of service contracts, less accumulated amortization and any impairment charges. Total liabilities and shareholders' equity Liabilities and Equity Employee Stock Option Share-Based Payment Arrangement, Option [Member] Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Tabular List, Table Tabular List [Table Text Block] Name Awards Close in Time to MNPI Disclosures, Individual Name Purchases of investments Payments to Acquire Investments Interest Rate Contract, 2022 Interest Rate Contract, 2022 [Member] Interest Rate Contract, 2022 Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Less: net income allocated to participating securities Undistributed Earnings (Loss) Allocated to Participating Securities, Diluted Preferred stock, authorized (in shares) Preferred Stock, Shares Authorized Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Preferred stock Preferred Stock, Value, Issued Adjustment to Compensation: Adjustment to Compensation [Axis] Share Repurchase Program [Axis] Share Repurchase Program [Axis] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Less: net income allocated to participating securities Undistributed Earnings (Loss) Allocated to Participating Securities, Basic Credit Facility [Axis] Credit Facility [Axis] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Total assets at fair value Assets, Fair Value Disclosure Name Measure Name Income Taxes Income Tax Disclosure [Text Block] Accounts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] All Other Other Operating Segment [Member] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Debt due after one year Long-Term Debt and Lease Obligation [Abstract] Debt Instrument [Line Items] Debt Instrument [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Debt due within one year Long Term Debt, Current Maturities, Gross Long Term Debt, Current Maturities, Gross Entity Filer Category Entity Filer Category Name Trading Arrangement, Individual Name Cash and cash equivalents Cash and Cash Equivalent First Aid and Safety Services First Aid and Safety Services First Aid And Safety Services Segment [Member] First Aid And Safety Services Segment Raw materials Inventory, Raw Materials, Net of Reserves Prepaid expenses and other current assets: Prepaid Expense and Other Assets, Current [Abstract] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Company Selected Measure Amount Company Selected Measure Amount Depreciation and amortization Depreciation, Depletion and Amortization Entity Address, Address Line Two Entity Address, Address Line Two Stock options exercised (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Current assets: Assets, Current [Abstract] Weighted-average remaining lease term Operating Lease, Weighted Average Remaining Lease Term Non-PEO NEO Non-PEO NEO [Member] Senior notes Senior Notes [Member] Entity Address, Address Line One Entity Address, Address Line One Operating lease right-of-use assets obtained in exchange for new and renewed operating lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Income taxes Income taxes Income taxes Income Tax Expense (Benefit) Award Timing Method Award Timing Method [Text Block] Net decrease in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Repurchase of common stock Total repurchase of Cintas common stock Treasury Stock, Value, Acquired, Cost Method, And Share Based Payment Arrangement, Decrease For Tax Withholding Obligation Treasury Stock, Value, Acquired, Cost Method, And Share Based Payment Arrangement, Decrease For Tax Withholding Obligation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Interest Rate Contract, 2020 Interest Rate Contract, 2020 [Member] Interest Rate Contract, 2020 Accumulated Other Comprehensive Income (Loss) [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Net income Net income Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Bridge Loan Bridge Loan [Member] Statement [Table] Statement [Table] Restatement Determination Date: Restatement Determination Date [Axis] Schedule of Changes in Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Debt, Derivatives and Hedging Activities Debt, Derivatives Instruments And Hedging Activities Disclosure [Text Block] Information about whether or not the entity is in compliance with debt covenants and the effects of noncompliance with debt covenants; and the entity's entire derivative instruments and hedging activities disclosure as a single block of text which describes an entity's risk management strategies, derivatives in hedging activities and non-hedging derivative instruments, the assets, obligations, liabilities, revenues and expenses arising there from, and the amounts of and methodologies and assumptions used in determining the amounts of such items. Fire Protection Services Fire Protection Services [Member] Fire Protection Services [Member] Interest income Interest income Investment Income, Interest Revenue: Revenues [Abstract] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block]