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Significant Accounting Policies | 9 Months Ended
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Jun. 30, 2025
Accounting Policies [Abstract] |
Significant Accounting Policies | Significant Accounting Policies Basis of Presentation These consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries. Intercompany accounts and transactions have been eliminated in consolidation. These interim consolidated statements have been prepared pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”), which permit reduced disclosure for interim periods. The Company’s Consolidated Balance Sheets as of September 30, 2024 were derived from the Company’s audited financial statements for the fiscal year then ended, but do not include all necessary disclosures required by accounting principles generally accepted in the United States of America (“GAAP”) with respect to annual financial statements. In the opinion of management, these unaudited consolidated financial statements include all recurring adjustments and normal accruals necessary for a fair presentation of the Company’s financial position, results of operations and cash flows for the dates and periods presented. These consolidated financial statements and accompanying notes should be read in conjunction with the Company’s audited annual consolidated financial statements and notes thereto included in the 2024 Form 10-K. Results for interim periods are not necessarily indicative of the results to be expected for a full fiscal year or for any future period. Management’s Estimates The preparation of the consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the recorded amounts of assets, liabilities, stockholders’ equity, revenues and expenses during the reporting period, and the disclosure of contingent liabilities at the date of the consolidated financial statements. Estimates are used in accounting for items such as recognition of revenues and cost of revenues, investments, mineral reserves, goodwill and other intangible assets, business acquisitions, valuation of operating lease right-of-use assets, allowance for credit losses, valuation allowances related to income taxes, accruals for potential liabilities related to lawsuits or insurance claims, asset retirement obligations, valuation of derivative instruments and valuation of equity-based compensation awards. Estimates are continually evaluated based on historical information and actual experience; however, actual results could differ from these estimates. A description of certain critical accounting policies of the Company is presented below. Additional critical accounting policies and the underlying judgments and uncertainties are described in the notes to the Company’s annual consolidated financial statements included in the 2024 Form 10-K. Cash and Cash Equivalents Cash consists principally of currency on hand and demand deposits at commercial banks. Cash equivalents are short-term, highly liquid securities that are both readily convertible to known amounts of cash and are so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Cash equivalents include securities with original maturities of three months or less. The Company maintains demand accounts, money market accounts and certificates of deposit at several banks. From time to time, account balances have exceeded the maximum available federal deposit insurance coverage limit. The Company has not experienced any losses in such accounts and regularly monitors its credit risk. Restricted Cash Construction Partners Risk Management, Inc. (the “Captive”), a captive insurance company and wholly-owned subsidiary of the Company, provides general liability, automobile liability and workers’ compensation insurance coverage to the Company and its subsidiaries. Restricted cash represents cash held in a fiduciary capacity by the Captive for the payment of casualty insurance claims. The Company had restricted cash of $2.0 million at each of June 30, 2025 and September 30, 2024. The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported within the Consolidated Balance Sheets that sum to the total of the same such amounts shown in the Consolidated Statements of Cash Flows (unaudited, in thousands):
|  | June 30, 2025 |  | September 30, 2024 |  |
Cash and cash equivalents |  | $ | 114,336 |  |  | $ | 74,686 |  |  |
Restricted cash |  | 1,969 |  |  | 1,998 |  |  |
Total cash, cash equivalents, and restricted cash |  | $ | 116,305 |  |  | $ | 76,684 |  |  |
Restricted Investments The Company’s restricted investments consist of debt securities, which are held in a fiduciary capacity by the Captive for the payment of casualty insurance claims. The Company determines the classification of its securities at the time of purchase and re-evaluates the determination at each balance sheet date. The Company has classified securities held by the Captive as available-for-sale. As a result, these securities are carried at their fair value. Purchases and sales of debt securities are recorded on the trade date. Interest income on debt securities is recorded when earned using an effective yield method. Unrealized gains and losses are reported as components of accumulated other comprehensive income, net. These securities have been classified as non-current assets based on their respective maturity dates and the Company’s intent to reinvest sales proceeds into new restricted investments. The Company had restricted investments of $22.0 million and $18.0 million at June 30, 2025 and September 30, 2024, respectively. The Company evaluates its available-for-sale debt securities quarterly to determine whether there has been a decline in the fair value below the amortized cost due to credit losses or other factors. This evaluation process entails judgement by the Company, and considers factors including the issuer’s financial condition and near-term prospects, future economic conditions, interest rate changes and changes in the rating of the security. When the Company has determined that it intends to sell, or that it is more likely than not that the Company will be required to sell a security before it recovers its amortized cost basis above fair value, the individual security is written down to fair value, with a corresponding charge to “Other income” within the Consolidated Statements of Comprehensive Income. For available-for-sale debt securities that do not meet the intent impairment criteria but for which the Company has determined that a credit loss exists, the present value of cash flows expected to be collected from the security is compared to the amortized cost basis of the security. If the present value of cash flows expected to be collected is less than the amortized cost basis, a credit loss allowance is recorded for the credit loss, limited by the amount by which the fair value is less than the amortized cost basis. For the nine months ended June 30, 2025 and 2024, the Company had no intent impairments or credit losses. Contracts Receivable Including Retainage, Net Contracts receivable are generally based on amounts billed and currently due from customers, amounts currently due but unbilled, and amounts retained by customers. It is common in the Company’s industry for a small portion of either progress billings or the contract price, typically 10%, to be withheld by the customer until contracts are near completion or fully completed. Such amounts, defined as retainage, are included on the Consolidated Balance Sheets as “Contracts receivable including retainage, net.” Based on the Company’s experience with similar contracts in recent years, billings for such retainage balances are generally collected within one year of the completion of the project. Contracts receivable including retainage, net is stated at the amount management expects to collect from outstanding balances. Management provides for uncollectible accounts through a charge to earnings and a credit to the allowance for credit losses based on its assessment of the current status of individual accounts, type of service performed, current economic conditions, historical losses and other information available to management. Balances that are still outstanding after management has used reasonable collection efforts are written off through a charge to the allowance for credit losses and an adjustment to the contract receivable. Contract Assets and Contract Liabilities Billing practices for the Company’s contracts are governed by the contract terms of each project based on (i) progress toward completion approved by the owner, (ii) achievement of milestones or (iii) pre-agreed schedules. Billings do not necessarily correlate with revenues recognized under the cost-to-cost input method. The Company records contract assets and contract liabilities to account for these differences in timing. The contract asset, “Costs and estimated earnings in excess of billings on uncompleted contracts”, arises when the Company recognizes revenues for services performed under its construction projects, but the Company is not yet entitled to bill the customer under the terms of the contract. Amounts billed to customers are excluded from this asset and reflected on the Consolidated Balance Sheets as “Contracts receivable including retainage, net.” Included in costs and estimated earnings on uncompleted contracts are amounts the Company seeks or will seek to collect from customers or others for (i) errors, (ii) changes in contract specifications or design, (iii) contract change orders in dispute, unapproved as to scope and price, or (iv) other customer-related causes of unanticipated additional contract costs (such as claims). Such amounts are recorded to the extent that the amount can be reasonably estimated and recovery is probable. Claims and unapproved change orders made by the Company may involve negotiation and, in rare cases, litigation. Unapproved change orders and claims also involve the use of estimates, and revenues associated with unapproved change orders and claims are included in the transaction price for which it is probable that a significant reversal in the amount of cumulative revenue recognized will not occur when the uncertainty is resolved. The Company did not recognize any material amounts associated with claims and unapproved change orders during the periods presented. The contract liability, “Billings in excess of costs and estimated earnings on uncompleted contracts”, represents the Company’s obligation to transfer goods or services to a customer for which the Company has been paid by the customer or for which the Company has billed the customer under the terms of the contract. Revenue for future services reflected in this account are recognized, and the liability is reduced, as the Company subsequently satisfies the performance obligation under the contract. Costs and estimated earnings in excess of billings on uncompleted contracts and billings in excess of costs and estimated earnings on uncompleted contracts are typically resolved within one year and are not considered significant financing components. Concentration of Risks Financial instruments that potentially subject the Company to concentrations of credit risk consist primarily of contracts receivable including retainage. In the normal course of business, the Company provides credit to its customers and does not generally require collateral. The Company monitors concentrations of credit risk associated with these receivables on an ongoing basis. The Company has not historically experienced significant credit losses, due primarily to management’s assessment of customers’ credit ratings. The Company principally deals with recurring customers, state and local governments and well-known local companies whose reputations are known to management. The Company performs credit checks for significant new customers and generally requires progress payments for significant projects. The Company generally has the ability to file liens against the property if payments are not made on a timely basis. No single customer accounted for more than 10% of the Company’s contracts receivable including retainage, net balance at June 30, 2025 or September 30, 2024. Projects performed for various departments of transportation accounted for 46.1% and 42.3% of consolidated revenues for the three months ended June 30, 2025 and 2024, respectively, and for 40.8% and 39.7% of consolidated revenues for the nine months ended June 30, 2025 and 2024, respectively. Customers that accounted for more than 10% of consolidated revenues during the three and nine months ended June 30, 2025 and 2024 are presented below:
|  | % of Consolidated Revenues
|  | For the Three Months Ended June 30, |  | For the Nine Months Ended June 30,
|  | 2025 |  | 2024 |  | 2025 |  | 2024
North Carolina Department of Transportation |  | * |  | 12.5% |  | * |  | 10.3%
Florida Department of Transportation |  | * |  | 13.4% |  | * |  | 13.9%
* Less than 10% Revenues from Contracts with Customers The Company derives a significant portion of revenues from contracts with its customers, predominantly by performing construction services for both public and private infrastructure projects, with an emphasis on highways, roads, bridges, airports and commercial and residential developments. These projects are performed for a mix of federal, state, municipal and private customers. In addition, the Company generates revenues from the sale of construction materials, including HMA, aggregates, liquid asphalt and ready-mix concrete, to third-party public and private customers pursuant to contracts with those customers. The following table reflects, for the periods presented, (i) revenues generated from public infrastructure construction projects and the sale of construction materials to public customers and (ii) revenues generated from private infrastructure construction projects and the sale of construction materials to private customers.
|  | % of Consolidated Revenues
|  | For the Three Months Ended June 30, |  | For the Nine Months Ended June 30,
|  | 2025 |  | 2024 |  | 2025 |  | 2024
Private |  | 35.1 | % |  | 35.6 | % |  | 39.0 | % |  | 39.2 | %
Public |  | 64.9 | % |  | 64.4 | % |  | 61.0 | % |  | 60.8 | %
Revenues derived from construction projects are recognized over time as the Company satisfies its performance obligations by transferring control of the asset created or enhanced by the project to the customer. Recognition of revenues for construction projects requires significant judgment by management, including, among other things, estimating total costs expected to be incurred to complete a project and measuring progress toward completion. Management reviews contract estimates regularly to assess revisions of estimated costs to complete a project and for measurement of progress toward completion. Management believes the Company maintains reasonable estimates based on prior experience; however, many factors contribute to changes in estimates of contract costs. Accordingly, estimates made with respect to uncompleted projects are subject to change as each project progresses and better estimates of contract costs become available. All contract costs are recorded as incurred, and revisions to estimated total costs are reflected as soon as the obligation to perform is determined. Provisions are recognized for the full amount of estimated losses on uncompleted contracts whenever evidence indicates that the estimated total cost of a contract exceeds its estimated total revenue, regardless of the stage of completion. When the Company incurs additional costs related to work performed by subcontractors, the Company may be able to utilize contractual provisions to back charge the subcontractors for those costs. A reduction to costs related to back charges is recognized when estimated recovery is probable and the amount can be reasonably estimated. Contract costs consist of (i) direct costs on contracts, including labor, materials, and amounts payable to subcontractors and (ii) indirect costs related to contract performance, such as insurance, employee benefits, and equipment (primarily depreciation, fuel, maintenance and repairs). Progress toward completion is estimated using the input method, measured by the relationship of total cost incurred through the measurement date to total estimated costs required to complete the project (cost-to-cost method). The Company believes this method best depicts the transfer of goods and services to the customer because it represents satisfaction of the Company’s performance obligation under the contract, which occurs as the Company incurs costs. The Company measures percentage of completion based on the performance of a single performance obligation under its construction projects. Each of the Company’s construction contracts represents a single performance obligation to complete a defined construction project. This is because goods and services promised for delivery to a customer are not distinct, as the customer cannot benefit from any individual portion of the services on its own. All deliverables under a contract are part of a project defined by a customer and represent a series of integrated goods and services that have the same pattern of delivery to the customer and use the same measure of progress toward satisfaction of the performance obligation as the customer’s asset is created or enhanced by the Company. Revenue recognized during a reporting period is based on the cost-to-cost input method applied to the total transaction price, including adjustments for variable consideration, such as liquidated damages, penalties or bonuses, related to the timeliness or quality of project performance. The Company includes variable consideration in the estimated transaction price at the most likely amount to which the Company expects to be entitled or the most likely amount the Company expects to incur, in the case of liquidated damages or penalties. Such amounts are included in the transaction price for which it is probable that a significant reversal in the amount of cumulative revenue recognized will not occur when the uncertainty is resolved. The Company accounts for changes to the estimated transaction price using a cumulative catch-up adjustment. The majority of the Company’s public construction contracts are fixed unit price contracts. Under fixed unit price contracts, the Company commits to providing materials or services required by a contract at fixed unit prices (for example, dollars per ton of asphalt placed). The Company’s private customer contracts are primarily fixed total price contracts, also known as lump sum contracts, which require that the total amount of work be performed for a single price. Contract cost is recorded as incurred, and revisions in contract revenue and cost estimates are reflected in the accounting period when known. Changes in job performance, job conditions and estimated profitability, including those changes arising from contract change orders, penalty provisions and final contract settlements, may result in revisions to estimated revenues and costs and are recognized in the period in which the revisions are determined. Change orders are modifications of an original contract that effectively change the existing provisions of the contract and become part of the single performance obligation that is partially satisfied at the date of the contract modification. This is because goods and services promised under change orders are generally not distinct from the remaining goods and services under the existing contract, due to the significant integration of services performed in the context of the contract. Accordingly, change orders are generally accounted for as a modification of the existing contract and single performance obligation. The Company accounts for the modification using a cumulative catch-up adjustment. Either the Company or its customers may initiate change orders, which may include changes in specifications or designs, manner of performance, facilities, equipment, materials, sites and period of completion of the work. Revenues derived from the sale of HMA, aggregates, ready-mix concrete, and liquid asphalt are recognized at a point in time, which is when control of the product is transferred to the customer. Generally, that point in time is when the customer accepts delivery at its facility or receives product in its own transport vehicles from one of the Company’s HMA plants or aggregates facilities. Upon purchase, the Company generally provides an invoice or similar document detailing the goods transferred to the customer. The Company generally offers payment terms customary in the industry, which typically require payment ranging from point-of-sale to 30 days following purchase. Income Taxes The provision for income taxes includes federal and state income taxes. Income taxes are accounted for under the asset and liability method. Under this method, deferred tax assets and liabilities are recognized for the expected future tax consequences of temporary differences between the financial statement carrying values and their respective tax bases. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the fiscal years in which the temporary differences are expected to be reversed or settled. The effect of a change in tax rates on deferred tax assets and liabilities is recognized in income in the period that includes the enactment date. Management evaluates the realization of deferred tax assets and establishes a valuation allowance when it is more likely than not that all or a portion of the deferred tax assets will not be realized. Deferred tax assets and deferred tax liabilities are presented on a net basis by taxing authority and classified as non-current on the Consolidated Balance Sheets. Earnings per Share Basic net income per share attributable to common stockholders is computed by dividing net income attributable to common stockholders by the weighted average number of common shares outstanding during the period. Diluted net income per common share attributable to common stockholders is the same as basic net income per share attributable to common stockholders, but includes dilutive unvested stock awards using the treasury stock method. Fair Value Measurements The Company measures and discloses certain financial assets and liabilities at fair value under Accounting Standards Codification (“ASC”) Topic 820, Fair Value Measurements (“Topic 820”). Fair value is the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. Inputs used to measure fair value are classified using the following hierarchy: Level 1. Unadjusted quoted prices in active markets for identical assets or liabilities that the reporting entity has the ability to access at the measurement date. Level 2. Inputs other than quoted prices included within Level 1 that are observable for the asset or liability, either directly or indirectly through corroboration with observable market data. Level 3. Inputs are unobservable for the asset or liability and include situations in which there is little, if any, market activity for the asset or liability. The inputs used in the determination of fair value are based on the best information available under the circumstances and may require significant management judgment or estimation. The Company endeavors to utilize the best available information in measuring fair value. The Company’s financial instruments include cash and cash equivalents, restricted cash, contracts receivable including retainage, accounts payable and accrued expenses reflected as current assets and current liabilities on its Consolidated Balance Sheets at June 30, 2025 and September 30, 2024. Due to the short-term nature of these instruments, management considers their carrying value to approximate their fair value. The Company also has debt securities reflected as restricted investments on its Consolidated Balance Sheets at June 30, 2025 and September 30, 2024. These investments are adjusted to fair value at each balance sheet date and are considered Level 2 fair value measurements. The Company also has term loans and a Revolving Credit Facility, as defined and further described in Note 8 - Debt. The carrying value of amounts outstanding under these credit facilities is reflected as long-term debt, net of current maturities and deferred debt issuance cost and current maturities of long-term debt on the Company’s Consolidated Balance Sheets at June 30, 2025 and September 30, 2024. Due to the variable rate or short-term nature of these instruments, management considers their carrying value to approximate their fair value. The Company also has derivative instruments. The fair value of commodity and interest rate swaps are based on forward and spot prices, as described in Note 16 - Fair Value Measurements. Level 3 fair values are used to value acquired mineral reserves and leased mineral interests. The fair values of mineral reserves and leased mineral interests are determined using an excess earnings approach, which requires management to estimate future cash flows. The estimate of future cash flows is based on available historical information and forecasts determined by management, but is inherently uncertain. Key assumptions in estimating future cash flows include sales price, volumes and expected profit margins, net of capital requirements. The present value of the projected net cash flows represents the fair value assigned to mineral reserves and mineral interests. The discount rate is a significant assumption used in the valuation model and is based on the required rate of return that a hypothetical market participant would assume if purchasing the acquired business. Management applies fair value measurement guidance to its impairment analysis for tangible and intangible assets, including goodwill. Comprehensive Income The Company reports comprehensive income in its Consolidated Statements of Comprehensive Income and Consolidated Statements of Stockholders’ Equity. Comprehensive income comprises two subsets: net income and other comprehensive income (loss) (“OCI”). OCI includes adjustments for changes in fair value of an interest rate swap contract derivative and available-for-sale restricted investments. For additional information about comprehensive income, see Note 19 - Other Comprehensive Income. Reclassifications Certain amounts in prior periods have been reclassified to conform to the current period presentation. These reclassifications had no effect on previously reported net income.

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