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Nature of Business and Significant Accounting Policies | 6 Months Ended
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Jun. 28, 2026
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Nature of Business and Significant Accounting Policies | Nature of Business and Significant Accounting Policies Nature of Business SiteOne Landscape Supply, Inc. (hereinafter collectively with all its consolidated subsidiaries referred to as the “Company”) is a wholesale distributor of hardscapes (such as concrete pavers and natural stone), irrigation, agronomics (including fertilizer, seed, control products, and ice melt), landscape accessories, nursery, and outdoor lighting to green industry professionals. The Company also provides value-added consultative services to complement its product offering and to help customers operate and grow their businesses. Substantially all of the Company’s sales are to customers located in the United States of America (“U.S.”), with less than three percent of sales and total assets in Canada for all periods presented. As of June 28, 2026, the Company had over 680 branches. Based on the nature of the Company’s products and customers’ business cycles, sales are significantly higher in the second and third quarters of each fiscal year. Share Repurchase Program On October 20, 2022, the Company’s Board of Directors authorized the Company to repurchase, at any time or from time to time, shares of the Company’s common stock having an aggregate purchase price not to exceed $400.0 million pursuant to a Rule 10b5-1 plan and/or pursuant to open market or accelerated share repurchase arrangements, tender offers, or privately negotiated transactions. The repurchase authorization does not have an expiration date and may be amended, suspended, or terminated by the Company’s Board of Directors at any time. The following table summarizes the activity under the share repurchase program during the six months ended June 28, 2026.
Amount Authorized (in millions) |  | Total Number of Shares Purchased |  | Average Price Paid Per Share |  | Amount Remaining (in millions)
$ | 400.0 |  |  | 952,216 |  | $ | 119.46 |  |  | $ | 100.5 |
Redeemable Non-controlling Interest Effective June 1, 2026, the minority shareholders in Devil Mountain Wholesale Nursery, LLC (“Devil Mountain”) exercised their put option requiring the Company to purchase the minority shareholders’ remaining 25% ownership interest in Devil Mountain. The Company completed the $26.5 million purchase by issuing 216,994 shares of the Company’s common stock from treasury with a weighted average cost of $122.33. The value of the Company’s common stock issued was determined based on an agreed upon share price of $122.00. Upon exercise, the non-controlling interest was redeemed and reduced to zero. The purchase of the remaining non-controlling interest was accounted for as an equity transaction. Since the transaction did not involve the exchange of cash it was treated as a noncash financing activity and has been excluded from the Consolidated Statements of Cash Flows. The carrying amount of the Redeemable non-controlling interest equaled the purchase price and an immaterial adjustment to Additional paid-in capital was recorded for the difference between the weighted average cost and the value of the shares issued. In addition, deferred tax liabilities of approximately $6.8 million were recorded to Additional paid-in capital representing the tax effect of the amount the outside book basis exceeded the outside tax basis of the 25% ownership interest in Devil Mountain. Following the exercise of the put option, the Company has a 100% ownership interest in Devil Mountain. In accordance with Accounting Standards Codification (“ASC”) 480, Distinguishing Liabilities from Equity (Topic 480), prior to acquiring the remaining 25% interest in Devil Mountain, the Company adjusted the carrying amount of the Redeemable non-controlling interest to what would be the redemption value assuming the security was redeemable as of the balance sheet date. During the three and six months ended June 28, 2026, the Company made adjustments to the carrying amount of the Redeemable non-controlling interest of $(1.0) million and $1.6 million, respectively. There was a $1.9 million adjustment made during the three and six months ended June 29, 2025. Under ASC 480, the Company elected for the terms of the redemption feature to be fully considered in the measurement of Net income attributable to SiteOne with the offsetting entry for the redemption value adjustment recorded in Adjustment of non-controlling interest to redemption value in the Consolidated Statements of Operations during the three and six months ended June 28, 2026. Basis of Financial Statement Presentation The accompanying unaudited consolidated financial statements of the Company have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) as applicable to interim financial reporting. In management’s opinion, the unaudited financial information for the interim periods presented includes all adjustments, consisting of normal recurring accruals necessary for a fair statement of the financial position, results of operations, and cash flows. Certain information and disclosures normally included in the Company’s annual financial statements prepared in accordance with GAAP have been condensed or omitted pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”). These interim unaudited consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto contained in the Company’s Annual Report on Form 10-K filed with the SEC for the fiscal year ended December 28, 2025. The interim period unaudited financial results for the three- and six-month periods presented are not necessarily indicative of results to be expected for any other interim period or for the entire year. Use of Estimates The preparation of consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported and disclosed in the financial statements and accompanying notes. Actual results could differ from these estimates. Fiscal Year The Company’s fiscal year is a 52- or 53-week period ending on the Sunday nearest to December 31. The Company’s fiscal year ending January 3, 2027 (the “2026 Fiscal Year”) includes 53 weeks and the Company’s fiscal year ended December 28, 2025 (the “2025 Fiscal Year”) included 52 weeks. Additionally, the Company’s fiscal quarters end on the Sunday nearest to March 31, June 30, and September 30, respectively. The three months ended June 28, 2026 and June 29, 2025 both included 13 weeks. The six months ended June 28, 2026 and June 29, 2025 both included 26 weeks. Principles of Consolidation The Company’s consolidated financial statements include the assets and liabilities used in operating the Company’s business, including entities in which the Company owns or controls more than 50% of the voting shares. All intercompany balances and transactions have been eliminated in consolidation. Significant Accounting Policies Except as updated immediately below and by the Recently Issued and Adopted Accounting Pronouncements section below, a description of the Company’s significant accounting policies is included in the Company’s Annual Report on Form 10-K for the 2025 Fiscal Year. Treasury stock: The Company records purchases of treasury stock at cost, which is reflected as a reduction to Stockholders’ equity on the Company’s Consolidated Balance Sheets. Incremental direct costs to purchase treasury stock are included in the cost of the shares acquired. The Company uses the weighted average purchase cost to determine the cost of treasury stock that is reissued. Recently Issued and Adopted Accounting Pronouncements In July 2025, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) ASU 2025-05, “Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses for Accounts Receivable and Contract Assets” (“ASU 2025-05”), which revises the guidance in ASC 326 to provide a practical expedient and an accounting policy election related to the estimation of expected credit losses for current accounts receivable and current contract assets that arise from transactions accounted for under ASC 606. The Company adopted ASU 2025-05 as of December 29, 2025. The adoption of ASU 2025-05 did not have a material impact on the Company’s consolidated financial statements and related disclosures. In December 2025, the FASB issued ASU 2025-12, “Codification Improvements” (“ASU 2025-12”), which clarifies existing guidance and makes improvements to 33 issues amongst various topics. During the second quarter of 2026, the Company early adopted Issue 10 within ASU 2025-12, which clarifies guidance for treasury stock retirements in ASC 505 to permit the excess of repurchase price over par or stated value to be accounted for entirely as a deduction from additional paid-in capital as long as additional paid-in capital does not become negative. The adoption of Issue 10 within ASU 2025-12 did not have a material impact on the Company’s consolidated financial statements and related disclosures. Accounting Pronouncements Issued But Not Yet Adopted In November 2024, the FASB issued ASU 2024-03, “Expense Disaggregation Disclosures (Topic 220): Disaggregation of Income Statement Expenses” (“ASU 2024-03”), which requires public entities to disclose additional information that disaggregates certain expense captions into specified categories in the Notes to the consolidated financial statements. The new standard is effective for fiscal years beginning after December 15, 2026, and interim periods after December 15, 2027, with early adoption permitted. The disclosure updates are required to be applied prospectively with the option for retrospective application. The Company is currently evaluating the impact the amended guidance will have on its disclosures. In May 2025, the FASB issued ASU 2025-03, “Business Combinations (Topic 805) and Consolidation (Topic 810): Determining the Accounting Acquirer in the Acquisition of a Variable Interest Entity” (“ASU 2025-03”), which revises the guidance in ASC 805 to clarify the requirements for identifying the accounting acquirer in a business combination that is effected by exchanging equity interests in which a variable interest entity is acquired. ASU 2025-03 is required to be adopted in the annual reporting periods beginning after December 15, 2026, including interim periods within those annual reporting periods, with early adoption permitted. The disclosure updates are required to be applied prospectively with the option for retrospective application. The Company is currently evaluating the impact the amended guidance will have on its consolidated financial statements and related disclosures. In September 2025, the FASB issued ASU 2025-06, “Intangibles – Goodwill and Other Internal-Use Software: Targeted Improvements to the Accounting for Internal-Use Software” (“ASU 2025-06”), which amends the guidance in ASC 350 to revise the criteria as to when an entity is required to start capitalizing software costs and requires an entity to consider whether there is significant uncertainty associated with the development activities of the software when evaluating the probable-to-complete recognition threshold. ASU 2025-06 is required to be adopted in the annual reporting periods beginning after December 15, 2027, including interim periods within those annual reporting periods, with early adoption permitted. The Company is currently evaluating the impact the amended guidance will have on its consolidated financial statements and related disclosures. In November 2025, the FASB issued ASU 2025-11, “Interim Reporting (Topic 270): Narrow-Scope Improvements” (“ASU 2025-11”), which amends the guidance in ASC 270 to clarify the applicability of interim disclosure requirements and enhance the navigability of the existing guidance. ASU 2025-11 provides a comprehensive list of required interim disclosures and establishes a new disclosure principle requiring entities to disclose events that occur after the end of the last annual reporting period. The new standard is effective for interim periods within annual reporting periods beginning after December 15, 2027, with early adoption permitted. The Company is currently evaluating the impact the amended guidance will have on its consolidated financial statements and related disclosures. In December 2025, the FASB issued ASU 2025-12, which clarifies existing guidance and makes improvements to 33 issues amongst various topics. ASU 2025-12 is effective for fiscal years beginning after December 15, 2026 and interim periods within those annual reporting periods. Early adoption is permitted on an issue-by-issue basis. The Company has early adopted Issue 10 and is currently evaluating the impact the remaining Issues from the amended guidance will have on its consolidated financial statements and related disclosures.

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- Definition The entire disclosure for the general note to the financial statements for the reporting entity which may include, descriptions of the basis of presentation, business description, significant accounting policies, consolidations, reclassifications, new pronouncements not yet adopted and changes in accounting principles. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 250 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/250/tableOfContent Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483426/235-10-50-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 810 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/810/tableOfContent + Details
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