Entity tax identification number Entity Tax Identification Number Rollovers EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Rollover Maximum Maximum [Member] Forfeited nonvested account, decrease from administrative expense EBP, Forfeited Nonvested Account, Decrease from Administrative Expense Legal Entity [Axis] Legal Entity [Axis] Statistical Measurement [Domain] Statistical Measurement [Domain] EBP, Description of Plan [Table] EBP, Description of Plan [Table] Mutual funds Mutual Fund [Member] Schedule of Vesting by Periods of Service EBP, Schedule Of Vesting By Periods Of Service [Table Text Block] EBP, Schedule Of Vesting By Periods Of Service Requisite service period EBP, Requisite Service Period EBP, Requisite Service Period Selling price EBP, Investment Sold, Excluding Plan Interest in Master Trust, Selling Price 1 EBP, Vested Percentage, Service Period, One Year EBP, Vested Percentage, Service Period, One Year EBP, Related Party and Party-in-Interest Transactions [Table] EBP, Related Party and Party-in-Interest Transactions [Table] Participant contribution, prretax, maximum annual compensation to total compensation, percentage EBP, Participant Contribution, Pretax, Maximum Annual Compensation to Total Compensation, Percentage Total deductions EBP, Change in Net Asset Available for Benefit, Decrease Note receivable from participant, account, maximum borrowing, amount EBP, Note Receivable from Participant, Account, Maximum Borrowing, Amount FAIR VALUE MEASUREMENTS EBP, Investment, Fair Value and NAV [Text Block] Note receivable from participant, account, minimum borrowing, amount EBP, Note Receivable from Participant, Account, Minimum Borrowing, Amount Liability - accrued expenses EBP, Accrued Expense Mutual funds and common collective trust funds EBP, Mutual Fund And Common Collective Trust Fund [Member] EBP, Mutual Fund And Common Collective Trust Fund Total investments Investment, fair value EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value Employer contribution maximum vesting age EBP, Employer Contribution Maximum Vesting Age EBP, Employer Contribution Maximum Vesting Age Stable value fund EBP, Stable Value Fund [Member] EBP, Stable Value Fund Level 1 Fair Value, Inputs, Level 1 [Member] Mid cap equity funds EBP, Mid Cap Equity Funds [Member] EBP, Mid Cap Equity Funds 4 or more EBP, Vested Percentage, Service Period, Four Years And Thereafter EBP, Vested Percentage, Service Period, Four Years And Thereafter EBP, Investment, Fair Value and NAV [Abstract] Total assets EBP, Asset ASSETS: EBP, Asset [Abstract] Statistical Measurement [Axis] Statistical Measurement [Axis] EBP, Statement of Change in Net Asset Available for Benefit [Table] EBP, Statement of Change in Net Asset Available for Benefit [Table] Payment of Benefits EBP, Payment to Participant [Policy Text Block] Amendment Flag Amendment Flag Basis of Accounting EBP, Basis of Accounting [Policy Text Block] EBP, Schedule of Asset Held for Investment [Table] EBP, Schedule of Asset Held for Investment [Table] Investment, number of shares (in shares) EBP, Investment, Number of Shares Target date funds EBP, Target Date Funds [Member] EBP, Target Date Funds EBP, Description of Plan and Accounting Change [Abstract] Receivables: EBP, Receivable [Abstract] Schedule of Investment at Fair Value and NAV EBP, Investment, Fair Value and NAV [Table Text Block] 2 EBP, Vested Percentage, Service Period, Two Years EBP, Vested Percentage, Service Period, Two Years Investments [Domain] Investments [Domain] Use of Estimates EBP, Use of Estimate [Policy Text Block] Participant contribution vesting percentage EBP, Participant Contribution Vesting Percentage EBP, Participant Contribution Vesting Percentage FORM 5500, SCHEDULE H, PART IV, LINE 4i – SCHEDULE OF ASSETS (HELD AT END OF YEAR) EBP, Schedule of Asset Held for Investment [Text Block] Cover [Abstract] Company EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash Minimum Minimum [Member] Interest income on notes receivable from participants EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Note Receivable from Participant Investment Type [Axis] Investment Type [Axis] Total contributions EBP, Change in Net Asset Available for Benefit, Increase from Contribution Participants EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Excluding Rollover Net appreciation in fair value of investments EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Gain (Loss) on Investment Interest and dividend income EBP, Change in Net Asset Available for Benefit, Increase from Interest and Dividend Income on Investment 3 EBP, Vested Percentage, Service Period, Three Years EBP, Vested Percentage, Service Period, Three Years EBP, Description of Plan [Line Items] EBP, Description of Plan [Line Items] Plan number EBP, Plan Number EBP, Investment, Fair Value and NAV [Line Items] EBP, Investment, Fair Value and NAV [Line Items] DESCRIPTION OF PLAN EBP, Description of Plan [Text Block] EBP, Statement of Change in Net Asset Available for Benefit [Line Items] EBP, Statement of Change in Net Asset Available for Benefit [Line Items] EBP, Statement of Net Asset Available for Benefit [Table] EBP, Statement of Net Asset Available for Benefit [Table] EBP, Schedule of Asset Held for Investment [Line Items] EBP, Schedule of Asset Held for Investment [Line Items] Fixed income funds Fixed Income Funds [Member] Snap-on common stock EBP, Employer, Common Stock [Member] EBP, Schedule of Asset Held for Investment [Abstract] EBP, Accounting Policy [Table] EBP, Accounting Policy [Table] Total increase EBP, Change in Net Asset Available for Benefit, Increase INVESTMENT INCOME: EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment [Abstract] Note receivable from participant, mortgage notes, prior maximum borrowing term EBP, Note Receivable From Participant, Mortgage Notes, Prior Maximum Borrowing Term EBP, Note Receivable From Participant, Mortgage Notes, Prior Maximum Borrowing Term Investment, Identifier [Axis] Investment, Identifier [Axis] Administrative expenses EBP, Change in Net Asset Available for Benefit, Decrease from Administrative Expense TOTAL ASSETS (Held at end of year) EBP, Asset Held for Investment Risks and Uncertainties EBP, Risk and Uncertainty [Policy Text Block] Document Information [Line Items] Document Information [Line Items] Note receivable from participant, mortgage notes, maximum borrowing term EBP, Note Receivable From Participant, Mortgage Notes, Maximum Borrowing Term EBP, Note Receivable From Participant, Mortgage Notes, Maximum Borrowing Term Note receivable from participant, personal notes, maximum borrowing term EBP, Note Receivable From Participant, Personal Notes, Maximum Borrowing Term EBP, Note Receivable From Participant, Personal Notes, Maximum Borrowing Term EBP, Statement of Change in Net Asset Available for Benefit [Abstract] EBP, Tax Status [Table] EBP, Tax Status [Table] NET INCREASE EBP, Change in Net Asset Available for Benefit, Increase (Decrease) RELATED-PARTY AND PARTY-IN-INTEREST TRANSACTIONS EBP, Related Party and Party-in-Interest Transactions [Text Block] EBP, Related Party and Party-in-Interest Transactions [Abstract] EBP, Accounting Policy, Accounting Standard Update, and Change in Accounting Principle [Abstract] Total receivables EBP, Receivable Company contributions EBP, Employer Contribution, Receivable Participant contribution, automatic, deferral rate EBP, Participant Contribution, Automatic, Deferral Rate Investments: EBP, Investment, Fair Value [Abstract] Benefits paid to participants EBP, Change in Net Asset Available for Benefit, Decrease from Payment to Participant Asset held for investment, current value EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] EBP, Statement of Net Asset Available for Benefit [Abstract] Temporary Domestic Employees Temporary Domestic Employees [Member] Temporary Domestic Employees Small cap equity fund EBP, Small Cap Equity Funds [Member] EBP, Small Cap Equity Funds EBP, Accounting Policy [Line Items] EBP, Accounting Policy [Line Items] Participant loan, basis spread on variable rate EBP, Participant Loan, Basis Spread On Variable Rate EBP, Participant Loan, Basis Spread On Variable Rate EBP, Tax Status [Abstract] Employment Type [Axis] Employment Type [Axis] Employment Type Participant loan, current value EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution Investment Valuation and Income Recognition EBP, Investment [Policy Text Block] Document Type Document Type PLAN TERMINATION EBP, Plan Termination [Text Block] Entity Central Index Key Entity Central Index Key Interest rate EBP, Asset Held for Investment, Participant Loan, Interest Rate Common collective trusts Common Collective Trust [Member] NET ASSETS AVAILABLE FOR BENEFITS: EBP, Net Asset Available for Benefit [Abstract] EBP, Tax Status [Line Items] EBP, Tax Status [Line Items] EBP, Subsequent Event [Table] EBP, Subsequent Event [Table] DEDUCTIONS: EBP, Change in Net Asset Available for Benefit, Decrease [Abstract] Forfeited nonvested account, decrease from employer contribution EBP, Forfeited Nonvested Account, Decrease from Employer Contribution Notes receivable from participants EBP, Note Receivable from Participant Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES EBP, Summary of Accounting Policy [Text Block] Entity Registrant Name Entity Registrant Name Cost of asset purchased EBP, Investment Acquired, Excluding Plan Interest in Master Trust, Cost EBP, Subsequent Event [Abstract] SUBSEQUENT EVENTS EBP, Subsequent Event [Text Block] FEDERAL INCOME TAX STATUS EBP, Tax Status [Text Block] Note receivable from participant, account, maximum borrowing, to total account, percentage EBP, Note Receivable from Participant, Account, Maximum Borrowing, to Total Account, Percentage Participant loan, cost EBP, Asset Held for Investment, Participant Loan, Cost EBP, Asset Held for Investment, Participant Loan, Cost EBP, Subsequent Event [Line Items] EBP, Subsequent Event [Line Items] EBP 005 EBP 005 [Member] EBP 005 Document Information [Table] Document Information [Table] Employment Type [Domain] Employment Type [Domain] Employment Type [Domain] Notes Receivable from Participants EBP, Note Receivable from Participant [Policy Text Block] Total investment income EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment EBP, Related Party and Party-in-Interest Transactions [Line Items] EBP, Related Party and Party-in-Interest Transactions [Line Items] NET ASSETS AVAILABLE FOR BENEFITS Beginning of year End of year EBP, Net Asset Available for Benefit Entity [Domain] Entity [Domain] CONTRIBUTIONS: EBP, Change in Net Asset Available for Benefit, Increase from Contribution [Abstract] Forfeited nonvested account EBP, Forfeited Nonvested Account Investments Measured at NAV Fair Value Measured at Net Asset Value Per Share [Member] EBP, Investment, Fair Value and NAV [Table] EBP, Investment, Fair Value and NAV [Table] Less than 1 EBP, Vested Percentage, Service Period, Less Than One Years EBP, Vested Percentage, Service Period, Less Than One Years EBP, Statement of Net Asset Available for Benefit [Line Items] EBP, Statement of Net Asset Available for Benefit [Line Items] Fair Value Measurement EBP, Fair Value Measurements [Policy Text Block] EBP, Fair Value Measurements