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Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Common stock, shares issued (in shares) Common Stock, Shares, Issued Measure: Measure [Axis] Treasury stock (in shares) Treasury Stock, Common, Shares Landscaping products Landscaping Products [Member] Landscaping Products [Member] Cost of goods sold Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization Equity Components [Axis] Equity Components [Axis] Product and Service [Domain] Product and Service [Domain] Cash paid during the year for income taxes Income Tax Paid, after Refund Received Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Entity Interactive Data Current Entity Interactive Data Current Variable Rate [Axis] Variable Rate [Axis] Number of stores (over) Number of locations Number of Stores Net income attributable to non-controlling interest Net Income (Loss) Attributable to Noncontrolling Interest Current portion of finance leases (Note 7) Finance Lease, Liability, Current Deferred tax liabilities Deferred Income Tax Liabilities, Net Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Contributions to the defined contribution benefit plan made by company Defined Contribution Plan, Cost Entity Small Business Entity Small Business Comprehensive income attributable to SiteOne Comprehensive Income (Loss), Net of Tax, Attributable to Parent Less: unamortized debt issuance costs and discounts on debt Debt Instrument, Unamortized Discount 2029 Lessee, Operating Lease, Liability, to be Paid, Year Three Termination Date Trading Arrangement Termination Date Weighted average useful life Intangible Asset, Finite-Lived, Acquired, Weighted-Average Amortization Period Property, Plant, and Equipment [Line Items] Property, Plant, and 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before Income Taxes, Noncontrolling Interest Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Adjustment of non-controlling interest to redemption value Adjustments to the carrying amount of the redeemable non-controlling interest Temporary Equity, Accretion to Redemption Value, Adjustment Commitments and contingencies (Note 11) Commitments and Contingencies Amount Intangible Asset, Finite-Lived, before Accumulated Amortization Property, plant and equipment, gross Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] 2030 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Four Lease renewal term Lessee, Lease, Renewal Term Lessee, Lease, Renewal Term Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Executive Category: Executive Category [Axis] Amortization of right-of-use assets Finance Lease, Right-of-Use Asset, Amortization Vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Goodwill [Roll Forward] Goodwill [Roll Forward] Office furniture and fixtures Furniture and Fixtures [Member] Liabilities, Redeemable Non-controlling Interest, and Stockholders' Equity Liabilities and Equity [Abstract] Intangible Asset, Finite-Lived, Class [Domain] Intangible Asset, Finite-Lived, Class [Domain] Redeemable non-controlling interest Redeemable non-controlling interest, beginning balance Redeemable non-controlling interest, ending balance Temporary Equity, Carrying Amount, Attributable to Parent Inventory, net Inventory, Net Award Type [Domain] Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Interest on lease liabilities Finance Lease, Interest Expense 2026 (remainder) Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Depreciation and amortization expenses of freight, handling and distribution expense Depreciation and Amortization, Freight, Handling and Distribution Expense Depreciation and Amortization, Freight, Handling and Distribution Expense Other Selling, general and administrative expenses Other Selling, General and Administrative Expense RSUs and PSUs Restricted Stock Units And Performance Shares [Member] Restricted Stock Units And Performance Shares Supplemental Disclosures of Cash Flow Information: Supplemental Cash Flow Information [Abstract] 2027 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year One Total Number of Shares Purchased (in shares) Treasury Stock, Shares, Acquired Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Share price (in dollars per share) Share Price Remaining ownership interest (as a 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value Temporary Equity, Reduction To Redemption Value Temporary Equity, Reduction To Redemption Value Beginning Ending Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Schedule of Finite-Lived Intangible Assets [Table] Intangible Asset, Finite-Lived [Table] Accounts payable Increase (Decrease) in Accounts Payable Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Base Rate Base Rate [Member] Bourget Flagstone Bourget Flagstone Co. [Member] Bourget Flagstone Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [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] Comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Debt Instrument [Axis] Debt Instrument [Axis] Subsequent Event [Table] Subsequent Event [Table] Stock-based compensation Share-Based Payment Arrangement, Noncash Expense Compensation expenses Labor and Related Expense 2028 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Two Total lease cost Lease, Cost Leases Lessee, Operating Leases [Text Block] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Basic (in dollars per share) Earnings Per Share, Basic Tooling Tools, Dies and Molds [Member] Adjustment of non-controlling interest to redemption value Temporary Equity, Accretion to Redemption Value Contract liabilities Contract with Customer, Liability, Current Repurchases of common shares Payments for Repurchase of Common Stock Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Long-term debt, less current portion (Note 9) Total long-term debt Long-Term Debt, Excluding Current Maturities Award Type [Axis] Award Type [Axis] Short-term lease cost Short-Term Lease, Cost Gain in other comprehensive income Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accounts receivable, net of allowance for doubtful accounts of $36.4 and $33.3, respectively Accounts Receivable, after Allowance for Credit Loss, Current Schedule of Repurchase Program Class of Treasury Stock [Table Text Block] Retained earnings Retained Earnings (Accumulated Deficit) Product and Service [Axis] Product and Service [Axis] Threshold trading days Debt Instrument, Convertible, Threshold Trading Days 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] Deferred contingent consideration Business Combination, Contingent Consideration, Liability Operating lease cost Operating Lease, Cost Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Cover [Abstract] Derivative Contract [Domain] Derivative Contract [Domain] Concentration risk, percentage (less than) Concentration Risk, Percentage Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Equity Awards Adjustments Equity Awards Adjustments [Member] Agronomic and other products Agronomic [Member] Agronomic [Member] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Total liabilities, redeemable non-controlling interest, and stockholders' equity Liabilities and Equity Variable lease cost Variable Lease, Cost Accelerated cost Share-Based Payment Arrangement, Accelerated Cost Stock options Stock options Share-Based Payment Arrangement, Option [Member] Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Plan Name [Axis] Plan Name [Axis] Intangible assets excluding internal-use software Intangible Assets, Excluding Internal-Use Software [Member] Intangible Assets, Excluding Internal-Use Software Tabular List, Table Tabular List [Table Text Block] Vesting [Axis] Vesting [Axis] Additional paid-in capital Additional Paid in Capital Inventory costs, net of supplier incentives and discounts Inventory Expense Inventory Expense Purchases of intangible assets Payments to Acquire Intangible Assets Revenue recognized Customer With Customer, Liability, Including New Contract Revenue Recognized Customer With Customer, Liability, Including New Contract Revenue Recognized 2031 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Five Repayments under term loan Repayments of Senior Debt 2029 Intangible Asset, Finite-Lived, Estimated Amortization Expense, Year Three 2026 (remainder) Intangible Asset, Finite-Lived, Estimated Amortization Expense, Remainder of Fiscal Year Other income Other income Other Operating Income (Expense), Net Income tax receivable Income Taxes Receivable, Current Name Awards Close in Time to MNPI Disclosures, Individual Name 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] Remaining environmental liability Accrual for Environmental Loss Contingencies, Gross Expired or forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Property, Plant and Equipment, Type [Domain] Long-Lived Asset, Class [Domain] Fair Value Measurement and Interest Rate Swaps Derivatives and Fair Value [Text Block] Property, Plant, and Equipment [Table] Property, Plant, and Equipment [Table] Adjustment to Compensation: Adjustment to Compensation [Axis] Interest expense incurred related to finance leases Finance Lease, Interest Expense And Other Finance Lease, Interest Expense And Other Hedging Designation [Domain] Hedging Designation [Domain] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Operating cash flows from finance leases Finance Lease, Interest Payment on Liability Cash paid during the year for interest Interest Paid, Excluding Capitalized Interest, Operating Activity Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Hedging Designation [Axis] Hedging Designation [Axis] Credit Facility [Axis] Credit Facility [Axis] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount 2031 Finance Lease, Liability, to be Paid, Year Five Name Measure Name Income Taxes Income Tax Disclosure [Text Block] Accounts payable Accounts Payable, Current Pay vs Performance Disclosure [Line Items] Debt instrument, consolidated total leverage ratio Debt Instrument, Covenant, Leverage Ratio Debt Instrument, Covenant, Leverage Ratio 2031 Lessee, Operating Lease, Liability, to be Paid, Year Five Debt Instrument [Line Items] Debt Instrument [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Aggregate purchase price Business Combination, Consideration Transferred Additional Paid-in-Capital Additional Paid-in-Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category Branch equipment Equipment [Member] Facility expenses Facility Expense Facility Expense Name Trading Arrangement, Individual Name Cash and cash equivalents Cash and Cash Equivalent Finance Leases Finance Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Company Selected Measure Amount Company Selected Measure Amount Not Designated as Hedging Instrument Not Designated as Hedging Instrument [Member] Depreciation and amortization expenses Depreciation, Depletion and Amortization SOFR Secured Overnight Financing Rate (SOFR) [Member] Entity Address, Address Line Two Entity Address, Address Line Two Issuance of common shares under stock-based compensation plan ( in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Net income Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Finance leases Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Current assets: Assets, Current [Abstract] Operating leases Operating Lease, Weighted Average Remaining Lease Term Non-PEO NEO Non-PEO NEO [Member] Entity Address, Address Line One Entity Address, Address Line One Operating leases Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Income tax expense Income Tax Expense (Benefit) Amortization of finance lease right-of-use assets and depreciation Finance Lease, Right-of-Use Asset, Amortization And Depreciation Finance Lease, Right-of-Use Asset, Amortization And Depreciation Award Timing Method Award Timing Method [Text Block] Principles of Consolidation Consolidation, Policy [Policy Text Block] Net change in cash 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] 25% vested in year 3 Share-Based Payment Arrangement, Tranche Three [Member] Net (loss) income attributable to SiteOne Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Proceeds from the sale of property and equipment Proceeds from Sale of Property, Plant, and Equipment Statement [Table] Statement [Table] 25% vested in year 2 Share-Based Payment Arrangement, Tranche Two [Member] Reinders Reinders, Inc. [Member] Reinders, Inc. Restatement Determination Date: Restatement Determination Date [Axis] Distributions to non-controlling interest Temporary Equity, Distributions to Non-Controlling Interest Temporary Equity, Distributions to Non-Controlling Interest Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block]