Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] 2027 Accrual For Environmental Loss Contingencies, Undiscounted, To Be Paid, Year One, Net Of Estimated Insurance Proceeds The portion of the estimated aggregate undiscounted amount of the accrual for environmental loss contingencies that is expected to be paid, net of estimated insurance proceeds expected to be received, in two years of the balance sheet date. Weighted average shares outstanding – Diluted: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Trading Arrangement: Trading Arrangement [Axis] Maximum Maximum [Member] Statistical Measurement Statistical Measurement [Domain] Federal Income Tax Jurisdiction, Domestic Federal [Member] Title of 12(b) Security Title of 12(b) Security Common Stock As reported – Diluted Net Income (Loss) Available to Common Stockholders, Diluted Document Fiscal Year Focus Document Fiscal Year Focus Business combination, transaction-related costs 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 Taxes withheld and paid related to net share settlement of equity awards Payment, Tax Withholding, Share-Based Payment Arrangement Employee Benefit Plans Retirement Benefits [Text Block] 2026 Estimated Insurance Proceeds For Environmental Loss Contingencies, Undiscounted, To Be Paid, Remainder Of Fiscal Year The portion of the estimated aggregate undiscounted amount of the insurance proceeds for environmental loss contingencies that is expected to be received within one year of the balance sheet date. Restatement Determination Date Restatement Determination Date Maturities of investments Proceeds from Sale, Maturity and Collection of Investments Revisions in estimates Accrual for Environmental Loss Contingencies, Revision in Estimates Total cost of shares repurchased divided by the total number of shares repurchased (in dollars per share) Stock Repurchased Price Per Share Stock repurchased price per share. Beginning balance Ending balance Accounts Receivable, Allowance for Credit Loss Add: effect of dilutive potential common shares Dilutive Securities, Effect on Basic Earnings Per Share Net increase (decrease) in unrecognized tax position Unrecognized Tax Benefits, Period Increase (Decrease) Amendment Flag Amendment Flag Current liabilities: Liabilities, Current [Abstract] Number of shares converted (in shares) Conversion of Stock, Shares Converted Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding 2028 Accrual for Environmental Loss Contingency, Undiscounted, to be Paid, Year Two Related Party Related Party Transactions Disclosure [Text Block] First Aid & Safety Solutions First Aid And Safety Solutions [Member] First Aid and Safety Solutions [Member] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Costs incurred Asset Retirement Obligation, Liabilities Settled Entity Address, State or Province Entity Address, State or Province Foreign currency translation 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 Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Reclassification out of Accumulated Other Comprehensive Income Reclassification out of Accumulated Other Comprehensive Income [Member] Voting rights Common Stock, Voting Rights, Number Of Votes Common stock voting rights number of votes. Common stock (in shares) As reported - Basic (in shares) Weighted Average Number of Shares Outstanding, Basic Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Beginning balance Ending balance Asset Retirement Obligation Dividend rate Common Stock, Dividend Rate, Percentage Common stock dividend rate percentage. Total Estimated Insurance Proceeds For Environmental Loss Contingencies, Gross The estimated aggregate undiscounted amount of the estimated insurance proceeds accrual for environmental loss contingencies as of the balance sheet date. Number of reporting segments Number of Reportable Segments Total current liabilities Liabilities, Current Work in process Inventory, Work in Process, Net of Reserves Other comprehensive (loss) income: Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Entity Address, City or Town Entity Address, City or Town Other income (expense) Deferred Compensation Plan Other Income (Expense) Deferred compensation plan other income (expense). Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Document Information [Line Items] Document Information [Line Items] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Class of Stock Class of Stock [Axis] Net Carrying Amount Intangible Asset, Finite-Lived, after Accumulated Amortization Business combination, right to receive cash upon conversion of stock Business Combination, Right To Receive Cash Upon Conversion Of Each Share of Stock Business Combination, Right To Receive Cash Upon Conversion Of Each Share of Stock Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Common stock As reported - Basic Net Income (Loss) Available to Common Stockholders, Basic Accumulated Amortization Intangible Asset, Finite-Lived, Accumulated Amortization Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Other comprehensive (loss) income Other Comprehensive Income (Loss), Net of Tax Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Revenues Revenue Benchmark [Member] Amounts charged to expense related to the plans Pension Cost (Reversal of Cost) Concentration Risk Type Concentration Risk Type [Axis] Change in fair value of derivatives, net of income taxes Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Debt Instrument [Table] Schedule of Long-Term Debt Instruments [Table] Thereafter Accrual For Environmental Loss Contingencies, Undiscounted, to be Paid, after Year Four, Net Of Estimated Insurance Proceeds The portion of the estimated aggregate undiscounted amount of the accrual for environmental loss contingencies that is expected to be paid, net of estimated insurance proceeds expected to be received, after the fifth year of the balance sheet date. Class Of Treasury Stock [Table] Class of Treasury Stock [Table] Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Non-cash capital expenditures Capital Expenditures Incurred but Not yet Paid Schedule of Segment Reporting Information Segment Reporting [Table Text Block] Loss (gain) on sale of property and equipment Gain (Loss) on Disposition of Property Plant Equipment Related Party, Type [Axis] Related and Nonrelated Parties [Axis] Unsecured Debt Unsecured Debt [Member] Contingent holdbacks Business Combination, Consideration Contingent Holdbacks Business combination, consideration contingent holdbacks. Net current period other comprehensive (loss) income Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Other intangibles assets Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Excluding Goodwill Prepaid and accrued income taxes Increase (Decrease) in Income Taxes Payable Accretion on environmental contingencies Interest accretion Accretion On Environmental Contingencies Amount of accretion expense recognized in the income statement during the period that is associated with environmental contingencies. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability. Document Period End Date Document Period End Date Changes in assets and liabilities, net of acquisitions: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Summary Of Significant Accounting Policies [Table] Summary Of Significant Accounting Policies [Table] Summary of significant accounting policies table. 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] Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Business combination, potential termination fee payment Business Combination Potential Termination Fee Payment Business combination, potential termination fee payment. Shares Repurchased and Dividends Equity [Text Block] Income per share – Basic: Income per share for Basic: Earnings Per Share, Basic [Abstract] Security Exchange Name Security Exchange Name Tax assessment issued Tax Assessment Issued Amount Tax assessment issued amount. Reclassification out of Accumulated Other Comprehensive Income Reclassification out of Accumulated Other Comprehensive Income [Domain] Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Class B Common Stock Common Class B [Member] 2028 Accrual For Environmental Loss Contingencies, Undiscounted, To Be Paid, Year Two, Net Of Estimated Insurance Proceeds The portion of the estimated aggregate undiscounted amount of the accrual for environmental loss contingencies that is expected to be paid, net of estimated insurance proceeds expected to be received, in three years of the balance sheet date. Risk-free interest rates utilized Risk Free Rates Of Interest Used To Discount Remediation Costs This element represent the risk-free rate of interest used to discount the remediation costs. A risk-free rate represents the interest that an investor would expect from an absolutely risk-free investment over a given period of time. Operating lease liabilities, current Operating Lease, Liability, Current Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Income Per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name 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] Total liabilities Liabilities Trading Symbol Trading Symbol Capital expenditures, including capitalization of software costs Payments to Acquire Property, Plant, and Equipment 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] Accrued taxes Accrued Income Taxes, Current Weighted average shares outstanding – Basic: Weighted average number of shares for Basic: Weighted Average Number of Shares Outstanding, Basic [Abstract] Company Selected Measure Name Company Selected Measure Name Amounts reclassified from accumulated other comprehensive loss Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Total Accrual For Environmental Loss Contingencies, Net Of Estimated Insurance Proceeds Accrual for environmental loss contingencies, net of estimated insurance proceeds, total. Income per share – Diluted: Earnings Per Share, Diluted [Abstract] Pension-related Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Credit Facility Credit Facility [Domain] Related Party Transactions [Abstract] Related Party Transactions [Abstract] Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Compensation Amount Outstanding Recovery Compensation Amount Selling and administrative expenses Capitalized Contract Cost, Amortization Individual: Individual [Axis] Common stock (in shares) As reported - Diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted 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] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Deferred income taxes Deferred Income Taxes and Tax Credits Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Other intangible assets Other Intangible Assets [Member] Credit Agreement Credit Agreement [Member] Represents the Credit Agreement. Award Timing Predetermined Award Timing Predetermined [Flag] Revenue Revenue from Rights Concentration Risk [Member] Prepaid taxes Prepaid Taxes Current Prepaid taxes current. Intangible Asset, Goodwill and Other [Abstract] Intangible Asset, Goodwill and Other [Abstract] Outstanding letters of credit Letters of Credit Outstanding, Amount Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Share-based compensation, net APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Effective income tax rate Effective Income Tax Rate Reconciliation, Percent Add: effect of dilutive potential common shares (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements All Executive Categories All Executive Categories [Member] Repurchase of Common Stock Stock Repurchased and Retired During Period, Value Schedule of Reconciliation of Asset Retirement Liability Schedule of Asset Retirement Obligations [Table Text Block] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Operating lease right-of-use assets, net Operating Lease, Right-of-Use Asset Concentration Risk Type Concentration Risk Type [Domain] Total consideration paid for acquisition of businesses Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Instrument, Name Debt Instrument, Name [Domain] Schedule of Deferred Commissions and Related Amortization Expense Capitalized Contract Cost [Table Text Block] Mexican Tax Authority Mexican Tax Authority [Member] Segment Reporting Segment Reporting [Text Block] Outstanding borrowings Long-Term Line of Credit Expiration Date Trading Arrangement Expiration Date Customer contracts Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Customer Contracts Business combination recognized identifiable assets acquired and liabilities assumed customer contracts. Postemployment Benefits [Abstract] Postemployment Benefits [Abstract] Schedule of Total Revenue Disaggregated by Segment Disaggregation of Revenue [Table Text Block] Other Goodwill, Other Increase (Decrease) Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Gain Contingencies [Table] Gain Contingencies [Table] 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] Number of frozen non-contributory defined benefit pension plans Defined Benefit Plan Number Of Frozen Plans Defined Benefit Plan, Number Of Frozen Plans Business Combination [Line Items] Business Combination [Line Items] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Other (income) expense: Other Income and Expenses [Abstract] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Accumulated Other Comprehensive Income Loss [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] NQDC Plan assets Deferred Compensation Plan Assets Asset Retirement Obligation Disclosure [Abstract] Asset Retirement Obligation Disclosure [Abstract] 2029 Accrual for Environmental Loss Contingency, Undiscounted, to be Paid, Year Three Exercise Price Award Exercise Price Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Stock repurchase authorized, value Share Repurchase Program, Authorized, Amount Segment Reporting [Line Items] Segment Reporting [Line Items] Document Quarterly Report Document Quarterly Report Acquisition of businesses, net of contingent consideration and holdbacks Business Combination, Recognized Asset Acquired To Liability Assumed, Excess (Less), And Goodwill Excluding Holdbacks Business Combination, Recognized Asset Acquired To Liability Assumed, Excess (Less), And Goodwill Excluding Holdbacks 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] 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, Including Discontinued Operation Effect of exchange rate changes Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Rental merchandise in service Increase Decrease In Rental Merchandise In Service Rental merchandise in service. Customer contracts, net Contract with Customer, Asset, after Allowance for Credit Loss, Noncurrent 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 Current Acquisition of Businesses Current Acquisition Of Businesses [Member] Current Acquisition Of Businesses Total operating expenses Costs and Expenses Adoption Date Trading Arrangement Adoption Date Dividends declared Common Stock Dividends, Common Stock, Cash Total shareholders’ equity Beginning balance Ending balance Equity, Attributable to Parent Total other income, net Nonoperating Income (Expense) 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 Accounting Policies [Abstract] Accounting Policies [Abstract] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Accrued liabilities Accounts Payable and Accrued Liabilities, Noncurrent Insider Trading Policies and Procedures [Line Items] Accrual for Environmental Loss Contingencies [Roll Forward] Accrual for Environmental Loss Contingencies [Roll Forward] Receivables, reserves Accounts Receivable, Allowance for Credit Loss, Current Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Selling and administrative expenses Selling, General and Administrative Expense Business Combination [Domain] Business Combination [Domain] Proceeds from exercise of share-based awards (Payments For) Proceeds From Exercise Of Share Based Awards (Payments for) proceeds from exercise of share-based awards. Interest income, net Interest Income (Expense), Nonoperating Tax assessment issued with surcharges, fines and penalties Tax Assessment Issued Amount Including Surcharges Fines and Penalties Tax assessment issued amount including surcharges fines and penalties. Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] 2026 Accrual For Environmental Loss Contingencies, Undiscounted, To Be Paid, Remainder Of Fiscal Year, Net Of Estimated Insurance Proceeds The portion of the estimated aggregate undiscounted amount of the accrual for environmental loss contingencies that is expected to be paid, net of estimated insurance proceeds expected to be received, within one year of the balance sheet date. NQDC Plan liabilities, current Deferred Compensation Liability, Current Number of operating segments Number of Operating Segments Other assets Capitalized Contract Cost, Net, Noncurrent Schedule of Changes in Carrying Amount of Goodwill Goodwill [Table Text Block] Entity Central Index Key Entity Central Index Key All Adjustments to Compensation All Adjustments to Compensation [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 Deferred income taxes Deferred Income Tax Assets, Net Operating expenses: Operating Expenses [Abstract] Write-offs and other Accounts Receivable, Allowance for Credit Loss, Writeoff And Other Accounts Receivable, Allowance for Credit Loss, Writeoff And Other Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Schedule of Changes to Environmental Liabilities Schedule Of Environmental Liabilities [Table Text Block] Tabular disclosure of the components of the environmental liabilities as of period end. Schedule of Intangible Assets, Net Intangible Asset, Finite-Lived [Table Text Block] Basis spread on variable rate (as percent) Debt Instrument, Basis Spread on Variable Rate City Area Code City Area Code Accumulated Other Comprehensive Loss Total Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] Document Information [Table] Document Information [Table] Benefit for income taxes from refinements of estimates for prior year taxes Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Amount All Individuals All Individuals [Member] Tax assessment issued amount net Tax Assessment Issued Amount Net Tax Assessment Issued Amount Net Payment of cash dividends Payments of Dividends Name Forgone Recovery, Individual Name Finished goods Inventory, Finished Goods, Net of Reserves Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Business combination, conversion ratio Business Combination, Conversion Ratio Business Combination, Conversion Ratio Statement [Line Items] Statement [Line Items] Total assets Assets Business Combination [Abstract] Business Combination [Abstract] Beginning balance Ending balance Balance at end of period Accrual for Environmental Loss Contingencies Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Cintas Cintas Corporation [Member] Cintas corporation. Effect of inflation Accrual For Environmental Loss Contingencies Effect Of Inflation The amount of inflation necessary to increase (reconcile) the estimated aggregate undiscounted amount of the accrual for environmental loss contingencies to the present value recognized on the balance sheet (if the accrual qualifies for inflation). Increased in aggregate commitments Line Of Credit Facility Increase the Aggregate Commitment Line of credit facility increase the aggregate commitment. Liabilities assumed Business Combination, Recognized Liability Assumed, Liability Other comprehensive (loss) income before reclassification OCI, before Reclassifications, Net of Tax, Attributable to Parent PEO PEO [Member] Beginning balance (in shares) Ending balance (in shares) Shares, Outstanding Effect of exchange rate changes Asset Retirement Obligation, Foreign Currency Translation Gain (Loss) Customer contracts Customer Contracts [Member] Repurchase of Common Stock (in shares) Stock Repurchased and Retired During Period, Shares Goodwill Beginning balance Ending balance Goodwill Retirement Plan Type [Axis] Retirement Plan Type [Axis] 2030 Accrual For Environmental Loss Contingencies, Undiscounted, To Be Paid, Year Four, Net Of Estimated Insurance Proceeds The portion of the estimated aggregate undiscounted amount of the accrual for environmental loss contingencies that is expected to be paid, net of estimated insurance proceeds expected to be received, in five years of the balance sheet date. Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Goodwill recorded during the period Goodwill, Acquired During Period Retained Earnings Retained Earnings [Member] Operating lease liabilities Operating Lease, Liability, Noncurrent Revolving Credit Facility Revolving Credit Facility [Member] Asset Retirement Obligations Asset Retirement Obligation Disclosure [Text Block] Software Software, In-Development, Internally Developed, and Purchased [Member] Cash and cash equivalents Business Combination, Recognized Asset Acquired, Cash and Cash Equivalent 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, shares outstanding (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Foreign Currency Translation Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Common stock (in dollars per share) As reported - Diluted (in dollars per share) Earnings Per Share, Diluted Accumulated Other Comprehensive Income Loss [Table] Accumulated Other Comprehensive Income (Loss) [Table] Estimated insurance proceeds Estimated Insurance Proceeds For Environmental Loss Contingencies Fiscal Year Maturity [Abstract] Estimated Insurance Proceeds For Environmental Loss Contingencies, Fiscal Year Maturity [Abstract] 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 Prepaid expenses and other current assets and Other assets Increase (Decrease) in Prepaid Expense and Other Assets Non-cash amortization expense Intangible Asset, Finite-Lived, Amortization Expense Stockholders' Equity Note [Abstract] Stockholders' Equity Note [Abstract] Share-based awards exercised, net (in shares) Stock Issued During Period Shares Share Based Compensation Exercised Number of shares (or other type of equity) exercised during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of stock value of such awards forfeited. 2030 Estimated Insurance Proceeds For Environmental Loss Contingencies, Undiscounted, To Be Paid, Year Four The portion of the estimated aggregate undiscounted amount of the insurance proceeds for environmental loss contingencies that is expected to be received within five years of the balance sheet date. Intangible Asset, Finite-Lived [Line Items] Intangible Asset, Finite-Lived [Line Items] Adjustments to reconcile net income to 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, plant and equipment, net Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Revenues Revenues Revenues Revenue from Contract with Customer, Excluding Assessed Tax Amount available for borrowing Line of Credit Facility, Remaining Borrowing Capacity Uniform & Facility Service Solutions Uniform And Facility Service Solutions [Member] Uniform And Facility Service Solutions Triggering Event Axis [Axis] Triggering Event Axis [Axis] Triggering Event Axis Cintas Cintas [Member] Cintas Inventories Inventory Disclosure [Text Block] Income allocated to – Basic: Allocation of net income for Basic: Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Intangible Asset, Finite-Lived, Class Intangible Asset, Finite-Lived, Class [Axis] 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] Inventories Increase (Decrease) in Inventories Schedule Of Segment Reporting Information By Segment [Table] Segment Reporting [Table] Possible Increase Possible Increase [Member] Possible Increase Schedule of Related Party Transactions, by Related Party [Table] Related Party Transaction [Table] Balance in escrow account Escrow Deposit Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Operating Income Total segment operating income Operating Income (Loss) Current Fiscal Year End Date Current Fiscal Year End Date Share-based awards exercised, net Stock Issued During Period Value Share Based Compensation Exercised Value of stock (or other type of equity) exercised during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of stock value of such awards forfeited. Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Acquisitions Business Combination [Text Block] Shares repurchased (in shares) Stock Repurchased During Period, Shares 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] Schedule Of Earnings Per Share Diluted By Common Class [Table] Earnings Per Share, Diluted, by Common Class, Including Two-Class Method [Table] Dividends declared (in dollars per share) Quarterly dividend amount (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] Gain Contingencies [Line Items] Gain Contingencies [Line Items] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Common stock, shares issued (in shares) Common Stock, Shares, Issued Measure: Measure [Axis] Accumulated Other Comprehensive Loss Comprehensive Income (Loss) Note [Text Block] Equity Components [Axis] Equity Components [Axis] 2027 Estimated Insurance Proceeds For Environmental Loss Contingencies, Undiscounted, To Be Paid, Year One The portion of the estimated aggregate undiscounted amount of the insurance proceeds for environmental loss contingencies that is expected to be received within two years of the balance sheet date. Disaggregation Of Revenue [Table] Disaggregation of Revenue [Table] Common Stock Common Shares Class A Common Stock Common Class A [Member] Entity Interactive Data Current Entity Interactive Data Current Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Contributions charged to expense under the plan Defined Contribution Plan, Cost Entity Small Business Entity Small Business Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Termination Date Trading Arrangement Termination Date Triggering Event Axis [Domain] Triggering Event Axis [Domain] Triggering Event Axis Rental merchandise in service Rental Merchandise In Service Inventories that are actively being utilized by the Company to service its rental customers. This merchandise is amortized over an estimated useful life and is shown net of accumulated amortization. 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] Costs incurred for which reserves have been provided Accrual for Environmental Loss Contingencies, Payments Other assets Other Assets, Noncurrent Document Type Document Type Acquisition of businesses, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Accrued liabilities Accrued Liabilities, Current Fair Value as of Grant Date Award Grant Date Fair Value Thereafter Estimated Insurance Proceeds For Environmental Loss Contingencies, Undiscounted, to be Paid, after Year Four The portion of the estimated aggregate undiscounted amount of the insurance proceeds for environmental loss contingencies that is expected to be received after the fifth year of the balance sheet date. Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Schedule Of Earnings Per Share Basic By Common Class [Table] Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table] 2027 Accrual for Environmental Loss Contingency, Undiscounted, to be Paid, Year One 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 Prepaid expenses and other current assets 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] Commitments and contingencies (Note 9) Commitments and Contingencies Gross 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 Reclassification out of Accumulated Other Comprehensive Income [Axis] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Business combination, potential termination fee payment by acquirer Business Combination Potential Termination Fee Payment By Acquirer Business combination, potential termination fee payment by acquirer. Executive Category: Executive Category [Axis] Goodwill [Roll Forward] Goodwill [Roll Forward] Liabilities and shareholders’ equity Liabilities and Equity [Abstract] Intangible Asset, Finite-Lived, Class Intangible Asset, Finite-Lived, Class [Domain] Inventories Total inventories Inventory, Net All Award Types Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] 2028 Estimated Insurance Proceeds For Environmental Loss Contingencies, Undiscounted, To Be Paid, Year Two The portion of the estimated aggregate undiscounted amount of the insurance proceeds for environmental loss contingencies that is expected to be received within three years of the balance sheet date. PEO Name PEO Name Accrued liabilities Increase (Decrease) in Accrued Liabilities Derivative Financial Instruments Derivative financial instruments, net: Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Payment of contingent consideration Payment for Contingent Consideration Liability, Financing Activities Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Accounts Receivable, Allowance for Credit Loss Accounts Receivable, Allowance for Credit Loss [Roll Forward] Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration] Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration] Schedule of Acquisition of Businesses Business Combination, Intangible Asset, Acquired, Finite-Lived and Indefinite-Lived [Table Text Block] 2030 Accrual for Environmental Loss Contingency, Undiscounted, to be Paid, Year Four Schedule Of Finite Lived Intangible Assets [Table] Intangible Asset, Finite-Lived [Table] Accounts payable Increase (Decrease) in Accounts Payable Tangible assets acquired Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Indefinite-Lived 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 Amounts Reclassified from Accumulated Other Comprehensive Loss, Net of Tax 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] Debt Instrument Debt Instrument [Axis] Thereafter Accrual for Environmental Loss Contingency, Undiscounted, to be Paid, after Year Four Accrual for Environmental Loss Contingency, Undiscounted, to be Paid, after Year Four Share-based compensation Share-Based Payment Arrangement, Noncash Expense Tax Period [Axis] Tax Period [Axis] Income Tax Authority, Name [Domain] Income Tax Authority, Name [Domain] Shares Converted (in shares) Stock Issued During Period, Shares, Conversion of Convertible Securities Schedule of Components of Inventory Schedule of Inventory, Current [Table Text Block] Long-Term Debt, Type [Domain] Long-Term Debt, Type [Domain] Common stock (in dollars per share) As reported - Basic (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 Statistical Measurement Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Cost of revenues Cost of Revenue Award Type Award Type [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Retained earnings Retained Earnings (Accumulated Deficit) Change in fair value of derivatives Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Parent 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] Common Stock Common Stock [Member] Income Tax Authority, Name [Axis] Income Tax Authority, Name [Axis] Contingent consideration Business Combination, Contingent Consideration, Liability Non-qualified Deferred Compensation Plan Nonqualified Deferred Compensation Plan [Member] Nonqualified deferred compensation plan. Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover Cover [Abstract] Summary of Significant Accounting Policies [Line Items] Summary Of Significant Accounting Policies [Line Items] Summary of significant accounting policies. Net anticipated costs Accrual For Environmental Loss Contingencies Net Of Estimated Insurance Proceeds Fiscal Year Maturity [Abstract] Accrual For Environmental Loss Contingencies, Net Of Estimated Insurance Proceeds, Fiscal Year Maturity [Abstract] % of Revenues Concentration Risk, Percentage Concentration Risk Benchmark Concentration Risk Benchmark [Axis] Equity Awards Adjustments Equity Awards Adjustments [Member] Number of business acquired Business Combination, Number of Businesses Acquired Total liabilities and shareholders’ equity Liabilities and Equity Earnings Per Share Diluted [Line Items] Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items] 2029 Estimated Insurance Proceeds For Environmental Loss Contingencies, Undiscounted, To Be Paid, Year Three The portion of the estimated aggregate undiscounted amount of the insurance proceeds for environmental loss contingencies that is expected to be received within four years of the balance sheet date. Employee Stock Option Share-Based Payment Arrangement, Option [Member] SERP Supplemental Employee Retirement Plan [Member] Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Related Party, Type [Domain] Related and Nonrelated Parties [Domain] Schedule of Change in Allowance for Credit Losses Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Income Tax Jurisdiction [Domain] Income Tax Jurisdiction [Domain] Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Tabular List, Table Tabular List [Table Text Block] Capital surplus Additional Paid in Capital Accrued and deferred income taxes Accrued And Deferred Income Taxes Long Term Represents long-term accrued and deferred income taxes. Other expense (income), net Other Nonoperating Income (Expense) Long-Term Debt Long-Term Debt [Text Block] Accretion on asset retirement obligations Accretion expense Asset Retirement Obligation, Accretion Expense Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] Name Awards Close in Time to MNPI Disclosures, Individual Name Purchases of investments Payments to Acquire Investments 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] Total Accrual for Environmental Loss Contingencies, Gross Changes in discount rates Environmental Liabilities Changes In Discount Rates Amount of discount applied to the future cost of environmental remediation to present value. Shares Converted Stock Issued During Period, Value, Conversion of Convertible Securities Fiscal 2016 Import Taxes Tax Year 2016 [Member] Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Receivables, less reserves of $7,280 and $6,802 Receivables, Net, Current Preferred Stock, $1.00 par value; 2,000,000 shares authorized; no shares issued and outstanding Preferred Stock, Value, Issued Adjustment to Compensation: Adjustment to Compensation [Axis] 2029 Accrual For Environmental Loss Contingencies, Undiscounted, To Be Paid, Year Three, Net Of Estimated Insurance Proceeds The portion of the estimated aggregate undiscounted amount of the accrual for environmental loss contingencies that is expected to be paid, net of estimated insurance proceeds expected to be received, in four years of the balance sheet date. Schedule of Anticipated Payments and Insurance Proceeds of Currently Identified Environmental Remediation Liabilities Schedule Of Environmental Remediation Liabilities [Table Text Block] Tabular disclosure of environmental remediation costs less estimated insurance proceeds including the effects of inflation and discounting the costs to present value. Class of Stock Class of Stock [Domain] 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] Estimated rate of inflation Estimated Impact Of Inflation Per Year This element represents the percentage added to estimated current cost of decommissioning one of the Company's facilities based on future estimated inflation rate. Credit Facility Credit Facility [Axis] Number of sites related to former operations Site Contingency Environmental Remediation Obligations Numberof Sites Number of Sites, Environmental Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Income Tax Jurisdiction [Axis] Income Tax Jurisdiction [Axis] Name Measure Name Income Taxes Income Tax Disclosure [Text Block] Accounts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Other Other Operating Segment [Member] Other Other Noncash Income (Expense) Debt Instrument [Line Items] Debt Instrument [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Business acquisitions, aggregate purchase price Business Combination, Consideration Transferred Retirement Plan Type [Domain] Retirement Plan Type [Domain] Capital Surplus Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Short-term investments Short-Term Investments Schedule of Computation of Basic Income Per Share Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table Text Block] Name Trading Arrangement, Individual Name Cash and cash equivalents Cash and Cash Equivalent Insurance proceeds Recorded Insurance Environmental Recoveries Amount Recorded amount of the individual components comprising the asset for insurance recoveries related to environmental remediation obligations. Raw materials Inventory, Raw Materials, Net of Reserves Concentration Risk Benchmark Concentration Risk Benchmark [Domain] Company Selected Measure Amount Company Selected Measure Amount Tax Period [Domain] Tax Period [Domain] Schedule of Reconciliation of Total Segment Operating Income to Consolidated Net Income Segment Reporting, Reconciliation of Profit (Loss) by Segment to Consolidated [Table Text Block] Depreciation and amortization Depreciation, Depletion and Amortization Estimated costs – current dollars Accrual for Environmental Loss Contingencies, Fiscal Year Maturity [Abstract] Served as an Senior Officer Served as an Senior Officer [Member] Served as an Senior Officer. 2026 Accrual for Environmental Loss Contingency, Undiscounted, to be Paid, Remainder of Fiscal Year Current assets: Assets, Current [Abstract] Non-PEO NEO Non-PEO NEO [Member] Entity Address, Address Line One Entity Address, Address Line One Provision for income taxes Income Tax Expense (Benefit) Award Timing Method Award Timing Method [Text Block] Net (decrease) increase in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Other intangible assets, net Other Intangible Assets, Net Annual proceeds Proceeds from Legal Settlements AOCI Attributable to Parent, Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Net income Net income Net income Net income available to shareholders Net income Net Income (Loss) Attributable to Parent Long-Term Debt, Type [Axis] Long-Term Debt, Type [Axis] Schedule of Computation of Diluted Income Per Share Schedule of Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Table Text Block] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Proceeds from sale of assets Proceeds from Sale of Property, Plant, and Equipment Statement [Table] Statement [Table] Restatement Determination Date: Restatement Determination Date [Axis] Schedule of Changes in Components of Accumulated Other Comprehensive Loss, Net of Tax Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Number of insurance companies Number Of Insurance Companies Number Of Insurance Companies Receivables, less reserves Increase (Decrease) in Receivables Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Effect of discounting Accrual for Environmental Loss Contingencies, Discount Current period provision Accounts Receivable, Allowance for Credit Loss, Recovery Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Income allocated to – Diluted: Net Income (Loss) Available to Common Stockholders, Diluted [Abstract]