Biggest changeIncluded among the Company’s highlights in 2023 were the following: • Orders for the year were at a record level of $1.87 billion, an increase of $178 million, or 11%, from last year. • Backlog at December 31, 2023 was $1.03 billion, another Company record, and an increase of $146 million, or 17%, compared to the end of last year. • Net sales for the year ended December 31, 2023 were $1.72 billion, the highest level in our history, and an increase of $288 million, or 20% from last year. • For the year ended December 31, 2023, we reported operating income of $224.5 million, an increase of $63.7 million, or 40%, from last year. • Consolidated operating margin for the year ended December 31, 2023 was 13.0%, compared to 11.2% in the prior year. • For the year ended December 31, 2023, we reported net income of $157.4 million, an increase of $37.0 million, or 31%, from last year. • On a consolidated basis, we reported adjusted EBITDA* of $286.0 million for the year ended December 31, 2023, an increase of $71.0 million, or 33%, from last year. • Adjusted EBITDA margin* for the year ended December 31, 2023 was 16.6%, up from 15.0% last year. • Cash flow from continuing operating activities for the year ended December 31, 2023 was $194 million, an increase of $123 million, or 171%, from last year. • With our strong balance sheet, positive operating cash flow, and increased capacity under our credit facility, we are well positioned to continue to invest in internal growth initiatives, pursue strategic acquisitions and consider ways to return value to stockholders, as we did during 2023: 16 Table of Contents ◦ Our capital expenditures in 2023 were approximately $30 million, and included a number of strategic investments in new machinery and equipment aimed at gaining operating efficiencies and expanding capacity at certain production facilities. ◦ We continue to invest in new product development and are encouraged that these efforts will provide additional opportunities to further diversify our customer base, penetrate new end-markets and/or gain access to new geographic regions. ◦ We continued to execute on our disciplined M&A strategy with the acquisitions of Blasters and Trackless.
Biggest changeIncluded among the Company’s highlights in 2024 were the following: • Net sales for the year ended December 31, 2024 were $1.86 billion, the highest level in our history, and an increase of $139 million, or 8% from last year. • Operating income for the year ended December 31, 2024 was $281.4 million, an increase of $56.9 million, or 25%, from last year. • Operating margin for the year ended December 31, 2024 was 15.1%, compared to 13.0% in the prior year. • Net income for the year ended December 31, 2024 was $216.3 million, an increase of $58.9 million, or 37%, from last year. • Adjusted EBITDA* for the year ended December 31, 2024 was $350.6 million, an increase of $64.6 million, or 23%, from last year. • Adjusted EBITDA margin* for the year ended December 31, 2024 was 18.8%, up from 16.6% last year. • Orders for the year were $1.85 billion, the second highest annual orders reported in the Company’s history, contributing to a backlog of $997 million at December 31, 2024. 17 Table of Contents • Net cash provided by operating activities for the year ended December 31, 2024 was $231 million, an increase of $37 million, or 19%, from last year. • With our strong balance sheet, positive operating cash flow, and capacity under our credit facility, we are well positioned to continue to invest in internal growth initiatives, pursue strategic acquisitions, and consider ways to return value to stockholders, as we did during 2024: ◦ Our capital expenditures in 2024 were approximately $41 million and included a number of strategic investments in new machinery and equipment aimed at gaining operating efficiencies and expanding capacity at certain production facilities. ◦ We continue to invest in new product development and anticipate that these efforts will provide additional opportunities to further diversify our customer base, penetrate new end-markets, and/or gain access to new geographic regions. ◦ We continued to execute on our disciplined M&A strategy with the acquisition of Standard.
Executive Summary The Company is a leading global manufacturer and supplier of (i) vehicles and equipment for maintenance and infrastructure end-markets, including sewer cleaners, industrial vacuum loaders, safe-digging trucks, street sweepers, waterblasting equipment, road-marking and line-removal equipment, dump truck bodies, trailers, metal extraction support equipment and multi-purpose tractors, and (ii) public safety equipment, such as vehicle lightbars and sirens, industrial signaling equipment, public warning systems and general alarm/public address systems.
Executive Summary The Company is a leading global manufacturer and supplier of (i) vehicles and equipment for maintenance and infrastructure end-markets, including sewer cleaners, industrial vacuum loaders, safe-digging trucks, street sweepers, waterblasting equipment, road-marking and line-removal equipment, dump truck bodies, trailers, metal extraction support equipment, and multi-purpose maintenance vehicles, and (ii) public safety equipment, such as vehicle lightbars and sirens, industrial signaling equipment, public warning systems, and general alarm/public address systems.
A qualitative approach may be applied when the Company concludes that it is not “more likely than not” that the fair value of the indefinite-lived intangible assets are less than their carrying value. A quantitative impairment test consists of comparing the fair value of the indefinite-lived intangible asset with its carrying amount.
A qualitative approach may be applied when the Company concludes that it is not “more likely than not” that the fair value of the indefinite-lived intangible assets is less than their carrying value. A quantitative impairment test consists of comparing the fair value of the indefinite-lived intangible asset with its carrying amount.
The 2022 Credit Agreement is a senior secured credit facility which provides the Borrowers access to an aggregate principal amount of $800 million, consisting of (i) a revolving credit facility in an amount up to $675 million (the “Revolver”) and (ii) a term loan facility in an amount up to $125 million.
The 2022 Credit Agreement is a senior secured credit facility which provides the Borrowers access to an aggregate original principal amount of up to $800 million, consisting of (i) a revolving credit facility in an amount up to $675 million (the “Revolver”) and (ii) a term loan facility in an original amount of up to $125 million.
In 2023, the Company paid down $64.1 million of borrowings under its revolving credit facility and $0.8 million under its term loan facility, funded cash dividends and share repurchases of $23.8 million and $5.5 million, respectively, and redeemed $7.0 million of stock in order to remit funds to tax authorities to satisfy employees’ tax withholdings following the vesting of stock-based compensation and the exercise of stock options.
In 2023, the Company paid down $64.1 million of borrowings under its revolving credit facility and $0.8 million under its term loan facility, funded cash dividends of $23.8 million and share repurchases of $5.5 million, and redeemed $7.0 million of common stock in order to remit funds to tax authorities to satisfy employees’ tax withholdings following the vesting of stock-based compensation and the exercise of stock options.
For all reporting units, a 10% decrease in the estimated fair value would have had no effect on the carrying value of goodwill at the annual measurement date in 2023. However, adverse changes to the Company’s business environment and future cash flow could cause us to record impairment charges in future periods, which could be material.
For all reporting units, a 10% decrease in the estimated fair value would have had no effect on the carrying value of goodwill at the annual measurement date in 2024. However, adverse changes to the Company’s business environment and future cash flow could cause us to record impairment charges in future periods, which could be material.
Goodwill Goodwill represents the excess of the cost of an acquired business over the amounts assigned to its net assets. Goodwill is not amortized but is tested for impairment at a reporting unit level on an annual basis or more frequently if indicators of impairment exist. The Company performed its annual goodwill impairment test as of October 31, 2023.
Goodwill Goodwill represents the excess of the cost of an acquired business over the amounts assigned to its net assets. Goodwill is not amortized but is tested for impairment at a reporting unit level on an annual basis or more frequently if indicators of impairment exist. The Company performed its annual goodwill impairment test as of October 31, 2024.
Further, the Company concluded that it was not “more likely than not” that the fair value of indefinite-lived intangible assets that were qualitatively tested for impairment were less than the carrying amounts. Accordingly, further quantitative testing was not required to be performed. The Company had no indefinite-lived intangible asset impairments in 2023, 2022 or 2021.
Further, the Company concluded that it was not “more likely than not” that the fair value of indefinite-lived intangible assets that were qualitatively tested for impairment were less than the carrying amounts. Accordingly, further quantitative testing was not required to be performed. The Company had no indefinite-lived intangible asset impairments in 2024, 2023, or 2022.
Adjusted EBITDA margin is a non-GAAP measure that represents the total of net income, interest expense, pension settlement charges, acquisition and integration-related expenses (benefits), coronavirus-related expenses, purchase accounting effects, other income/expense, income tax expense, and depreciation and amortization expense, where applicable, divided by net sales for the applicable period(s).
Adjusted EBITDA margin is a non-GAAP measure that represents the total of net income, interest expense, net, pension settlement charges, acquisition and integration-related expenses, net, purchase accounting effects, other expense, net, income tax expense, and depreciation and amortization expense, where applicable, divided by net sales for the applicable period(s).
Future declines in the overall market value of the Company may also result in a conclusion that the fair value of one or more reporting units has declined below its carrying value. In 2023, the Company performed a combination of qualitative and quantitative impairment tests to assess the goodwill of its reporting units for potential impairment.
Future declines in the overall market value of the Company may also result in a conclusion that the fair value of one or more reporting units has declined below its carrying value. In 2024, the Company performed a combination of qualitative and quantitative impairment tests to assess the goodwill of its reporting units for potential impairment.
The relief from royalty model requires management to make a number of business and valuation assumptions including future revenue growth and royalty rates. In 2023, the Company performed a combination of qualitative and quantitative impairment tests over its indefinite-lived intangible assets.
The relief from royalty model requires management to make a number of business and valuation assumptions including future revenue growth and royalty rates. In 2024, the Company performed a combination of qualitative and quantitative impairment tests over its indefinite-lived intangible assets.
In addition, the Company may expand its borrowing capacity under the 2022 Credit Agreement by up to the greater of (i) $400 million and (ii) 100% of Consolidated EBITDA for the applicable four-quarter period preceding such expansion notice, subject to the approval of the applicable lenders providing such additional borrowings in the form of increases to their revolving facility commitment, or funding of incremental term loans.
In addition, the Company may expand its borrowing capacity under the 2022 Credit Agreement by up to the greater of (i) $400 million and (ii) 100% of Consolidated EBITDA for the applicable four-quarter period preceding such expansion notice, subject to the approval of the applicable lenders providing 24 Table of Contents such additional borrowings in the form of increases to their revolving facility commitment, or funding of incremental term loans.
Adjusted EBITDA is a non-GAAP measure that represents the total of net income, interest expense, pension settlement charges, acquisition and integration-related expenses (benefits), coronavirus-related expenses, purchase accounting effects, other income/expense, income tax expense, and depreciation and amortization expense, where applicable.
Adjusted EBITDA is a non-GAAP measure that represents the total of net income, interest expense, net, pension settlement charges, acquisition and integration-related expenses, net, purchase accounting effects, other expense, net, income tax expense, and depreciation and amortization expense, where applicable.
For one reporting unit, a quantitative impairment test was performed, using a combination of the income and market approaches to determine the fair value of its reporting unit. The valuation was prepared 26 Table of Contents by a third-party valuation specialist.
For one reporting unit, a quantitative impairment test was performed, using a combination of the income and market approaches to determine the fair value of its reporting unit. The valuation was prepared 27 Table of Contents by a third-party valuation specialist.
The fair value of the indefinite-lived intangible asset that was quantitatively tested for impairment exceeded its carrying value by approximately 40%, and, therefore, no impairment was recognized. This valuation was prepared by a third-party valuation specialist.
The fair value of the indefinite-lived intangible asset that was quantitatively tested for impairment exceeded its carrying value by approximately 45%, and, therefore, no impairment was recognized. This valuation was prepared by a third-party valuation specialist.
One measure of the sensitivity of assumptions used in the impairment analysis is the amount by which the reporting unit “passed” (fair value exceeds the carrying value). The fair value of the reporting unit exceeded its carrying value by more than 20%. Therefore, no impairment was recognized.
One measure of the sensitivity of assumptions used in the impairment analysis is the amount by which the reporting unit “passed” (fair value exceeds the carrying value). The fair value of the reporting unit exceeded its carrying value by more than 30%. Therefore, no impairment was recognized.
For its other reporting units, the Company applied the qualitative approach and concluded that it was not “more likely than not” that the fair value of the reporting units were less than their carrying values. Accordingly, further quantitative testing was not required to be performed. The Company had no goodwill impairments in 2023, 2022 or 2021.
For its other reporting units, the Company applied the qualitative approach and concluded that it was not “more likely than not” that the fair value of the reporting units was less than their carrying values. Accordingly, further quantitative testing was not required to be performed. The Company had no goodwill impairments in 2024, 2023, or 2022.
We believe that investors use versions of these metrics in a similar manner. For these reasons, the Company believes that adjusted EBITDA and adjusted EBITDA margin are meaningful metrics to investors in evaluating the Company’s underlying financial performance.
The Company believes that investors use versions of these metrics in a similar manner. For these reasons, the Company believes that adjusted EBITDA and adjusted EBITDA margin are meaningful metrics to investors in evaluating the Company’s underlying financial performance.
In accordance with Accounting Standards Codification (“ASC”) 280, Segment Reporting , which provides that segment reporting should follow the management of the item and that certain expenses may be corporate expenses, these legal expenses (which are not part of the normal operating activities of any of our reportable segments) are reported and managed as corporate expenses.
In accordance with Accounting Standards Codification (“ASC”) 280, Segment Reporting , which provides that segment reporting should follow the management of the item and that certain expenses may be 23 Table of Contents corporate expenses, these legal expenses (which are not part of the normal operating activities of any of our reportable segments) are reported and managed as corporate expenses.
Indefinite-lived intangible assets are tested for impairment on an annual basis at year-end, or more frequently if an event occurs or circumstances change that indicate the fair value of an indefinite-lived intangible asset could be below its carrying amount. The Company’s indefinite-lived intangible assets include trade names associated with acquisitions.
Indefinite-lived intangible assets are tested for impairment on an annual basis at October 31, or more frequently if an event occurs or circumstances change that indicate the fair value of an indefinite-lived intangible asset could be below its carrying amount. The Company’s indefinite-lived intangible assets include trade names associated with acquisitions.
Due to the high degree of uncertainty regarding the potential future cash outflows associated with these plans, the Company is unable to provide a reasonably reliable estimate of the amounts and periods in which any additional liabilities might be paid. (e) Represents the fair value of the contingent earn-out payments associated with the Deist, Blasters and Trackless acquisitions.
Due to the high degree of uncertainty regarding the potential future cash outflows associated with these plans, the Company is unable to provide a reasonably reliable estimate of the amounts and periods in which any additional liabilities might be paid beyond 2025. (e) Represents the fair value of the contingent earn-out payments associated with acquisitions.
For further discussion, see Note 12 – Commitments and Contingencies to the accompanying consolidated financial statements. 25 Table of Contents Critical Accounting Policies and Estimates The preparation of consolidated financial statements in conformity with U.S. generally accepted accounting principles (“GAAP”) requires management to make estimates and assumptions that affect (i) the reported amounts of assets and liabilities, (ii) disclosure of contingent assets and liabilities at the date of the consolidated financial statements and (iii) the reported amounts of revenues and expenses during the reporting period.
For further discussion, see Note 12 – Commitments and Contingencies in Item 8, Financial Statements and Supplementary Data . 26 Table of Contents Critical Accounting Policies and Estimates The preparation of consolidated financial statements in conformity with U.S. generally accepted accounting principles (“GAAP”) requires management to make estimates and assumptions that affect (i) the reported amounts of assets and liabilities, (ii) disclosure of contingent assets and liabilities at the date of the consolidated financial statements, and (iii) the reported amounts of revenues and expenses during the reporting period.
SEG&A expenses increased by $6.3 million for the year ended December 31, 2023, primarily due to higher sales commissions and incentive-based compensation expense. As a percentage of net sales, SEG&A expenses were 19.7% in the current year, compared with 20.4% in the prior year.
SEG&A expenses increased by $7.4 million for the year ended December 31, 2024, primarily due to higher sales commissions and incentive-based compensation expense. As a percentage of net sales, SEG&A expenses were 20.9% in the current year, compared with 19.7% in the prior year.
SEG&A expenses increased by $16.8 million, or 17%, for the year ended December 31, 2023, primarily due to additional costs from acquired businesses, as well as increases in sales commissions and incentive-based compensation expense. As a percentage of net sales, SEG&A expenses were 7.9% in the current year, compared to 8.1% in the prior year.
SEG&A expenses increased by $13.9 million, or 12%, for the year ended December 31, 2024, primarily due to additional costs from acquired businesses, as well as increases in sales commissions and incentive-based compensation expense. As a percentage of net sales, SEG&A expenses were 8.2% in the current year, compared to 7.9% in the prior year.
The repatriation of these funds may cause the Company to incur additional U.S. income tax expense and withholding taxes, as applicable, dependent on income tax laws and other circumstances at the time any such amounts were repatriated. Net cash provided by operating activities totaled $194.4 million, $71.8 million and $101.8 million in 2023, 2022 and 2021, respectively.
The repatriation of these funds may cause the Company to incur additional U.S. income tax expense and withholding taxes, as applicable, dependent on income tax laws and other circumstances at the time any such amounts were repatriated. Net cash provided by operating activities totaled $231.3 million in 2024 and $194.4 million in 2023.
The following table summarizes the Company’s off-balance sheet arrangements and the notional amount by expiration period as of December 31, 2023: Notional Amount by Expiration Period (in millions of dollars) Total Less than 1 Year 2-3 Years 4-5 Years Financial standby letters of credit (a) $ 9.1 $ 9.1 $ — $ — Performance and bid bonds (b) 12.1 11.9 0.2 — Repurchase obligations (c) 1.5 0.7 0.6 0.2 Total off-balance sheet arrangements $ 22.7 $ 21.7 $ 0.8 $ 0.2 (a) Financial standby letters of credit largely relate to casualty insurance policies for the Company’s workers’ compensation, automobile, general liability and product liability policies.
The following table summarizes the Company’s off-balance sheet arrangements and the notional amount by expiration period as of December 31, 2024: Notional Amount by Expiration Period (in millions of dollars) Total Less than 1 Year 2-3 Years 4-5 Years Financial standby letters of credit (a) $ 10.1 $ 10.1 $ — $ — Performance and bid bonds (b) 15.5 15.4 0.1 — Repurchase obligations (c) 2.2 0.6 0.2 1.4 Total off-balance sheet arrangements $ 27.8 $ 26.1 $ 0.3 $ 1.4 (a) Financial standby letters of credit largely relate to casualty insurance policies for the Company’s workers’ compensation, automobile, general liability and product liability policies.
See Note 8 – Goodwill and Other Intangible Assets to the accompanying consolidated financial statements for a summary of the Company’s goodwill by segment. Indefinite-lived Intangible Assets An intangible asset determined to have an indefinite useful life is not amortized.
See Note 8 – Goodwill and Other Intangible Assets in Item 8, Financial Statements and Supplementary Data , for a summary of the Company’s goodwill by segment. Indefinite-lived Intangible Assets An intangible asset determined to have an indefinite useful life is not amortized.
Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations. Management’s Discussion and Analysis of Financial Condition and Results of Operations (“MD&A”) is designed to provide information that is supplemental to, and shall be read together with, the consolidated financial statements and the accompanying notes contained in this Form 10-K.
Objective Management’s Discussion and Analysis of Financial Condition and Results of Operations (“MD&A”) is designed to provide information that is supplemental to, and shall be read together with, the consolidated financial statements and the accompanying notes included in Item 8, Financial Statements and Supplementary Data , in this Form 10-K.
As the year progressed, we saw improvement in supply chain conditions, which facilitated increased production levels at several of our facilities and, despite some lingering supply chain-related operational inefficiencies, we were able to deliver record financial results for our stockholders, with double-digit year-over-year top line and earnings growth, margin expansion and significant improvement in cash flow generation.
As the year progressed, we saw improvement in supply chain conditions, which facilitated increased production levels at several of our facilities, and despite some supply chain-related operational inefficiencies early in the year, we were able to deliver record financial results for our stockholders, with 8% net sales growth, double-digit earnings improvement, expansion of margins, and significant improvement in cash flow generation.
The weighted average interest rate on long-term borrowings was 5.9% at December 31, 2023. The Company paid interest of $22.8 million in 2023, $9.4 million in 2022 and $3.9 million in 2021. The Company paid income taxes of $46.2 million in 2023, $26.9 million in 2022 and $35.5 million in 2021.
The weighted average interest rate on long-term borrowings was 5.3% at December 31, 2024. The Company paid interest of $15.3 million in 2024, $22.8 million in 2023, and $9.4 million in 2022. 25 Table of Contents The Company paid income taxes of $62.4 million in 2024, $46.2 million in 2023, and $26.9 million in 2022.
Income tax expense The Company recognized income tax expense of $45.6 million for the year ended December 31, 2023, compared to $30.5 million for the year ended December 31, 2022.
The Company recognized income tax expense of $47.6 million for the year ended December 31, 2024, compared to $45.6 million for the year ended December 31, 2023.
Cost of sales increased by $162.3 million, or 17%, for the year ended December 31, 2023, primarily related to increased sales volumes, inclusive of the effects of acquisitions, increased chassis costs and a $3.2 million increase in depreciation expense, partially offset by a $6.2 million favorable foreign currency translation impact.
Cost of sales increased by $53.4 million, or 5%, for the year ended December 31, 2024, primarily related to increased sales volumes, inclusive of the effects of acquisitions, and a $4.6 million increase in depreciation expense, partially offset by a $3.6 million favorable foreign currency translation impact and reduced chassis costs of $10.7 million.
The increase in cash generated by operating activities in 2023 compared to the prior year was primarily due to 22 Table of Contents working capital improvements and higher net income, partially offset by increased rental fleet investments to support strong demand for rentals and used equipment and higher income tax payments.
The increase in cash generated by operating activities in 2024 compared to the prior year was primarily due to working capital improvements and higher net income, partially offset by increased rental fleet investments to support demand for rentals and used equipment and higher income tax payments, incentive-based compensation payments, and pension contributions.
Applicable margin, issuance fees and other customary expenses are payable on outstanding letters of credit. 23 Table of Contents The Company is subject to certain net leverage ratio and interest coverage ratio financial covenants under the 2022 Credit Agreement that are to be measured at each fiscal quarter-end.
Applicable margin, issuance fees, and other customary expenses are payable on outstanding letters of credit. The Company is subject to certain net leverage ratio and interest coverage ratio financial covenants under the 2022 Credit Agreement that are to be measured at each fiscal quarter-end. The Company was in compliance with all such covenants as of December 31, 2024.
The following table summarizes the gross borrowings and gross payments under the Company’s revolving credit facilities: For the Years Ended December 31, (in millions of dollars) 2023 2022 2021 Gross borrowings $ 134.3 $ 137.0 $ 214.0 Gross payments 198.4 55.8 143.5 Aggregate maturities of long-term borrowings and finance lease obligations are $4.7 million in 2024, $7.8 million in 2025, $10.2 million in 2026 and $276.3 million in 2027.
The following table summarizes the gross borrowings and gross payments under the Company’s revolving credit facilities: For the Years Ended December 31, (in millions of dollars) 2024 2023 Gross borrowings $ 18.0 $ 134.3 Gross payments 94.5 198.4 Aggregate maturities of long-term borrowings and finance lease obligations are $19.4 million in 2025, $10.5 million in 2026, and $193.8 million in 2027, and $0.1 million in 2028.
Actual results may differ from the Company’s estimates. See Note 8 – Goodwill and Other Intangible Assets to the accompanying consolidated financial statements for a summary of the Company’s indefinite-lived intangible assets. 27 Table of Contents
Actual results may differ from the Company’s estimates. See Note 8 – Goodwill and Other Intangible Assets in Item 8, Financial Statements and Supplementary Data , for a summary of the Company’s indefinite-lived intangible assets. 28 Table of Contents
Including these factors, gross profit margin for the year ended December 31, 2023 was 23.6%, compared to 21.4% in the prior year, with the improvement primarily attributable to improved operating leverage from higher sales volumes and benefits from pricing actions, partially offset by an increase in lower margin chassis sales.
Including these factors, gross profit margin for the year ended December 31, 2024 was 26.0%, compared to 23.6% in the prior year, with the improvement primarily attributable to improved operating leverage from higher sales volumes, benefits from pricing actions, and a reduction in lower margin chassis sales.
Adjusted EBITDA Adjusted EBITDA for the year ended December 31, 2023 was $286.0 million, compared to $215.0 million in the prior year. Adjusted EBITDA margin for the year ended December 31, 2023 was 16.6%, compared to 15.0% in the prior year.
Adjusted EBITDA Adjusted EBITDA for the year ended December 31, 2024 was $350.6 million, compared to $286.0 million in the prior year. Adjusted EBITDA margin for the year ended December 31, 2024 was 18.8%, compared to 16.6% in the prior year.
As a percentage of net sales, SEG&A expenses increased from 12.0% in the prior year, to 12.2% in the current year.
As a percentage of net sales, SEG&A expenses were 12.6% in the current year, compared to 12.2% in the prior year.
Gross profit margin for the year ended December 31, 2023 was 38.9%, compared to 37.1% in the prior year, with the improvement primarily attributable to improved operating leverage from higher sales volumes, benefits from pricing actions and lower freight costs.
Gross profit margin for the year ended December 31, 2024 was 42.0%, compared to 38.9% in the prior year, with the increase primarily attributable to improved operating leverage from higher sales volumes, favorable sales mix, lower material costs, and benefits from pricing actions.
Gross profit For the year ended December 31, 2023, gross profit increased by $105.3 million, or 31%, compared to the prior year, primarily due to a $85.0 million improvement within the Environmental Solutions Group and a $20.3 million increase within the Safety and Security Systems Group.
Gross profit For the year ended December 31, 2024, gross profit increased by $82.8 million, or 18%, compared to the prior year, primarily due to a $65.8 million improvement within the Environmental Solutions Group and a $17.0 million increase within the Safety and Security Systems Group.
Operating income increased by $14.0 million, or 34%, for the year ended December 31, 2023, primarily due to a $20.3 million increase in gross profit, partially offset by the $6.3 million increase in SEG&A expenses. Backlog was $59 million at December 31, 2023, compared to $55 million at December 31, 2022.
Operating income increased by $9.6 million, or 18%, for the year ended December 31, 2024, primarily due to a $17.0 million increase in gross profit, partially offset by the $7.4 million increase in SEG&A expenses. Backlog was $57 million at December 31, 2024, compared to $59 million at December 31, 2023.
Operating income increased by $64.7 million, or 45%, for the year ended December 31, 2023, largely due to a $85.0 million increase in gross profit, partially offset by the $16.8 million increase in SEG&A expenses, a $2.3 million increase in amortization expense and a $1.2 million increase in acquisition-related costs.
Operating income increased by $52.0 million, or 25%, for the year ended December 31, 2024, largely due to a $65.8 million increase in gross profit and a $0.2 million reduction in amortization expense, partially offset by the $13.9 million increase in SEG&A expenses and a $0.1 million increase in acquisition-related costs.
Due to the uncertainties related to these tax matters, the Company generally cannot make a reasonably reliable estimate of the period of cash settlement for this liability. As such, the potential future cash outflows are not included in the table above.
For further discussion, see Note 10 – Income Taxes in Item 8, Financial Statements and Supplementary Data . Due to the uncertainties related to these tax matters, the Company generally cannot make a reasonably reliable estimate of the period of cash settlement for this liability. As such, the potential future cash outflows are not included in the table above.
Gross profit as a percentage of net sales (“gross profit margin”) for the year ended December 31, 2023 was 26.1%, compared to 24.0% in the prior year, primarily driven by improvements within the Environmental Solutions Group and Safety and Security Systems Group of 220 basis points and 180 basis points, respectively.
Gross profit as a percentage of net sales (“gross profit margin”) for the year ended December 31, 2024 was 28.6%, compared to 26.1% in the prior year, primarily driven by a 240 basis point improvement within the Environmental Solutions Group and a 310 basis point improvement within the Safety and Security Systems Group.
The net cash flows associated with the Company’s rental equipment transactions are included in cash flow from operating activities. The Company’s cash and cash equivalents totaled $61.0 million, $47.5 million and $40.5 million as of December 31, 2023, 2022 and 2021, respectively. As of December 31, 2023, $27.8 million of cash and cash equivalents was held by foreign subsidiaries.
The net cash flows associated with the Company’s rental equipment transactions are included in cash flows from operating activities. The Company’s cash and cash equivalents totaled $91.1 million as of December 31, 2024 and $61.0 million as of December 31, 2023. As of December 31, 2024, $22.6 million of cash and cash equivalents was held by foreign subsidiaries.
Operating income Operating income for the year ended December 31, 2023 increased by $63.7 million, or 40%, compared to the prior year, largely due to the $105.3 million improvement in gross profit, partially offset by the $38.4 million increase in SEG&A expenses, a $2.3 million increase in amortization expense and a $0.9 million increase in acquisition-related costs.
Operating income Operating income for the year ended December 31, 2024 increased by $56.9 million, or 25%, compared to the prior year, largely due to the $82.8 million improvement in gross profit and a $0.2 million reduction in amortization expense, partially offset by the $23.9 million increase in SEG&A expenses and a $2.2 million increase in acquisition and integration-related costs.
(b) Amounts include contractual obligations associated with lease arrangements with an initial term of twelve months or less, which are not recorded on the Consolidated Balance Sheets. For further discussion, see Note 4 – Leases to the accompanying consolidated financial statements. (c) Purchase obligations primarily relate to commercial chassis and other contracts in the ordinary course of business.
(b) Amounts include contractual obligations associated with lease arrangements with an initial term of twelve months or less, which are not recorded on the Consolidated Balance Sheets. For further discussion, see Note 4 – Leases in Item 8, Financial Statements and Supplementary Data .
Selling, engineering, general and administrative (“SEG&A”) expenses For the year ended December 31, 2023, SEG&A expenses increased by $38.4 million, or 22%, compared to the prior year, primarily due to increases of $16.8 million, $6.3 million and $15.3 million within the Environmental Solutions Group, the Safety and Security Systems Group and Corporate, respectively.
Selling, engineering, general and administrative (“SEG&A”) expenses For the year ended December 31, 2024, SEG&A expenses increased by $23.9 million, or 11%, compared to the prior year, primarily due to increases of $13.9 million in the Environmental Solutions Group, $7.4 million in the Safety and Security Systems Group, and $2.6 million in Corporate.
As of December 31, 2023, there was $173.2 million of cash drawn on the Revolver, $124.2 million outstanding under the term loan facility and $9.1 million of undrawn letters of credit under the 2022 Credit Agreement, with $492.7 million of net availability for borrowings.
As of December 31, 2024, there was $90.6 million of cash drawn on the Revolver, $120.3 million outstanding under the term loan facility, and $10.1 million of undrawn letters of credit under the 2022 Credit Agreement, with $574.3 million of net availability for borrowings.
Net sales increased by $247.3 million, or 21%, for the year ended December 31, 2023, primarily due to higher sales volumes, inclusive of the effects of acquisitions, pricing actions and increased chassis sales.
Net sales increased by $119.2 million, or 8%, for the year ended December 31, 2024, primarily due to higher sales volumes, inclusive of the effects of acquisitions and pricing actions, partially offset by lower chassis sales of $11.6 million.
Safety and Security Systems The following table summarizes the Safety and Security Systems Group’s operating results as of, and for the years ended, December 31, 2023, 2022 and 2021: For the Years Ended December 31, Change (in millions of dollars) 2023 2022 2021 2023 vs. 2022 2022 vs. 2021 Net sales $ 284.8 $ 244.2 $ 209.2 $ 40.6 $ 35.0 Operating income 54.8 40.8 32.7 14.0 8.1 Other data: Operating margin 19.2 % 16.7 % 15.6 % 2.5 % 1.1 % Total orders $ 292.1 $ 248.0 $ 241.5 $ 44.1 $ 6.5 Backlog 58.6 54.8 52.5 3.8 2.3 Depreciation and amortization 4.2 4.2 3.6 — 0.6 Year ended December 31, 2023 vs. year ended December 31, 2022 Total orders increased by $44.1 million, or 18%, for the year ended December 31, 2023.
Backlog was $940 million at December 31, 2024, compared to $967 million at December 31, 2023. 22 Table of Contents Safety and Security Systems The following table summarizes the Safety and Security Systems Group’s operating results as of, and for the years ended, December 31, 2024 and December 31, 2023: For the Years Ended December 31, Change (in millions of dollars) 2024 2023 2024 vs. 2023 Net sales $ 304.4 $ 284.8 $ 19.6 Operating income 64.4 54.8 9.6 Other data: Operating margin 21.2 % 19.2 % 2.0 % Total orders $ 306.2 $ 292.1 $ 14.1 Backlog 57.4 58.6 (1.2) Depreciation and amortization 3.9 4.2 (0.3) Year ended December 31, 2024 vs. year ended December 31, 2023 Total orders increased by $14.1 million, or 5%, for the year ended December 31, 2024.
Cost of sales For the year ended December 31, 2023, cost of sales increased by $182.6 million, or 17%, compared to the prior year, largely due to an increase of $162.3 million, or 17%, within the Environmental Solutions Group, primarily related to increased sales volumes, inclusive of the effects of acquisitions, increased chassis costs and a $3.2 million increase in depreciation expense, partially offset by a $6.2 million favorable foreign currency translation impact.
Within the Safety and Security Systems Group, net sales increased by $19.6 million, or 7%, primarily due to improvements in sales of public safety equipment of $19.5 million and warning systems of $2.6 million, partially offset by a $2.6 million reduction in sales of industrial signaling equipment. 19 Table of Contents Cost of sales For the year ended December 31, 2024, cost of sales increased by $56.0 million, or 4%, compared to the prior year, largely due to an increase of $53.4 million, or 5%, within the Environmental Solutions Group, primarily related to increased sales volumes, inclusive of the effects of acquisitions, and a $4.6 million increase in depreciation expense, partially offset by a $3.6 million favorable foreign currency translation impact and reduced chassis costs of $10.7 million.
For further discussion, see Note 2 – Acquisitions to the accompanying consolidated financial statements. (f) As of December 31, 2023, the Company had a liability of approximately $1.1 million for unrecognized tax benefits, including penalties and interest. For further discussion, see Note 10 – Income Taxes to the accompanying consolidated financial statements.
For further discussion, see Note 2 – Acquisitions and Note 18 - Fair Value Measurements in Item 8, Financial Statements and Supplementary Data . (f) As of December 31, 2024, the Company had a liability of approximately $1.2 million for unrecognized tax benefits, including penalties and interest.
U.S. orders increased by $16.9 million, or 11%, compared to the prior year, driven by improvements in orders for public safety equipment, warning systems and industrial signaling equipment of $10.8 million, $4.9 million and $1.2 million, respectively.
U.S. orders increased by $28.3 million, or 16%, compared to the prior year, driven by improvements in orders for public safety equipment of $22.9 million and industrial signaling equipment of $5.9 million, partially offset by a $0.5 million reduction in orders of warning systems.
Partially offsetting these improvements was a $5.9 million reduction in sales of safe-digging trucks and a $6.4 million unfavorable foreign currency translation impact.
Partially offsetting these improvements were reductions in sales of trailers of $13.4 million and safe-digging trucks of $9.1 million, as well as a $3.3 million unfavorable foreign currency translation impact.
The Environmental Solutions Group reported a net sales increase of $247.3 million, or 21%, primarily due to a $66.2 million improvement in aftermarket revenues and increases in sales of street sweepers, sewer cleaners, refuse trucks, multi-purpose tractors, metal extraction support equipment, industrial vacuum loaders, safe-digging trucks, trailers and road-marking and line-removal equipment of $38.6 million, $35.0 million, $31.1 million, $21.4 million, $17.2 million, $16.3 million, $15.5 million, $10.5 million and $7.4 million, respectively.
The Environmental Solutions Group reported a net sales increase of $119.2 million, or 8%, primarily due to a $18.9 million improvement in aftermarket revenues and increases in sales of dump truck bodies of $36.5 million, sewer cleaners of $23.1 million, road-marking and line-removal equipment of $14.1 million, street sweepers of $13.1 million, industrial vacuum loaders of $10.5 million, refuse trucks of $7.2 million, multi-purpose maintenance vehicles of $6.8 million, metal extraction support equipment of $4.3 million, and hoists of $2.7 million.
Management’s Discussion and Analysis of Financial Condition and Results of Operations” in the Company’s Annual Report on Form 10-K for the year ended December 31, 2022, filed with the SEC on March 1, 2023.
See Item 7, Management’s Discussion and Analysis of Financial Condition and Results of Operations , in our Annual Report on Form 10-K for the year ended December 31, 2023, filed with the SEC on February 27, 2024, for a detailed discussion of our financial condition and results of operations for the year ended December 31, 2023 compared to the year ended December 31, 2022.
Information in MD&A is intended to assist the reader in obtaining an understanding of (i) the consolidated financial statements, (ii) the Company’s business segments and how the results of those segments impact the Company’s results of operations and financial condition as a whole and (iii) how certain accounting principles affect the Company’s consolidated financial statements.
Information in MD&A is intended to provide an analysis of our financial condition and results of operations from management’s perspective and assist the reader in obtaining an understanding of (i) the consolidated financial statements, (ii) the Company’s business segments and how the results of those segments impact the Company’s results of operations and financial condition as a whole, and (iii) how certain accounting principles affect the Company’s consolidated financial statements, and to provide discussion of material events and uncertainties known to management that are reasonably likely to cause reported financial information not to be indicative of future operating results or future financial condition.
The Company must also pay a commitment fee to the lenders ranging between 0.10% to 0.25% per annum on the unused portion of the $675 million Revolver along with other standard fees.
The applicable margin ranges from zero to 0.75% for base rate borrowings and 1.00% to 1.75% for Adjusted Eurocurrency Rate and RFR borrowings. The Company must also pay a commitment fee to the lenders ranging between 0.10% to 0.25% per annum on the unused portion of the Revolver along with other standard fees.
Refer to the Results of Operations section for further discussion regarding these non-GAAP metrics and a reconciliation of each to the most comparable GAAP measure for each of the periods presented. 17 Table of Contents Results of Operations The following table summarizes our Consolidated Statements of Operations as of, and for the years ended, December 31, 2023, 2022 and 2021, and illustrates the key financial indicators used to assess our consolidated financial results: For the Years Ended December 31, Change (in millions of dollars, except per share data) 2023 2022 2021 2023 vs. 2022 2022 vs. 2021 Net sales $ 1,722.7 $ 1,434.8 $ 1,213.2 $ 287.9 $ 221.6 Cost of sales 1,272.5 1,089.9 924.5 182.6 165.4 Gross profit 450.2 344.9 288.7 105.3 56.2 Selling, engineering, general and administrative expenses 210.1 171.7 149.2 38.4 22.5 Amortization expense 15.2 12.9 10.9 2.3 2.0 Acquisition and integration-related expenses (benefits), net 0.4 (0.5) (2.1) 0.9 1.6 Operating income 224.5 160.8 130.7 63.7 30.1 Interest expense, net 19.7 10.3 4.5 9.4 5.8 Pension settlement charges — — 10.3 — (10.3) Other expense (income), net 1.8 (0.4) (1.7) 2.2 1.3 Income before income taxes 203.0 150.9 117.6 52.1 33.3 Income tax expense 45.6 30.5 17.0 15.1 13.5 Net income $ 157.4 $ 120.4 $ 100.6 $ 37.0 $ 19.8 Other data: Operating margin 13.0 % 11.2 % 10.8 % 1.8 % 0.4 % Adjusted EBITDA (a) $ 286.0 $ 215.0 $ 180.5 $ 71.0 $ 34.5 Adjusted EBITDA margin (a) 16.6 % 15.0 % 14.9 % 1.6 % 0.1 % Diluted earnings per share $ 2.56 $ 1.97 $ 1.63 $ 0.59 $ 0.34 Total orders 1,870.1 1,692.2 1,538.8 177.9 153.4 Backlog 1,025.1 879.2 628.9 145.9 250.3 Depreciation and amortization 60.4 54.7 50.4 5.7 4.3 (a) The Company uses adjusted EBITDA and adjusted EBITDA margin as additional measures which are representative of its underlying performance and to improve the comparability of results across reporting periods.
Refer to the Results of Operations section for further discussion regarding these non-GAAP metrics and a reconciliation of each to the most comparable GAAP measure for each of the periods presented. 18 Table of Contents Results of Operations The following table summarizes our Consolidated Statements of Operations as of, and for the years ended December 31, 2024 and December 31, 2023, and illustrates the key financial indicators used to assess our consolidated financial results: For the Years Ended December 31, Change (in millions of dollars, except per share data) 2024 2023 2024 vs. 2023 Net sales $ 1,861.5 $ 1,722.7 $ 138.8 Cost of sales 1,328.5 1,272.5 56.0 Gross profit 533.0 450.2 82.8 Selling, engineering, general and administrative expenses 234.0 210.1 23.9 Amortization expense 15.0 15.2 (0.2) Acquisition and integration-related expenses, net 2.6 0.4 2.2 Operating income 281.4 224.5 56.9 Interest expense, net 12.5 19.7 (7.2) Pension settlement charges 3.8 — 3.8 Other expense, net 1.2 1.8 (0.6) Income before income taxes 263.9 203.0 60.9 Income tax expense 47.6 45.6 2.0 Net income $ 216.3 $ 157.4 $ 58.9 Other data: Operating margin 15.1 % 13.0 % 2.1 % Adjusted EBITDA (a) $ 350.6 $ 286.0 $ 64.6 Adjusted EBITDA margin (a) 18.8 % 16.6 % 2.2 % Diluted earnings per share $ 3.50 $ 2.56 $ 0.94 Total orders 1,847.8 1,870.1 (22.3) Backlog 997.1 1,025.1 (28.0) Depreciation and amortization 65.3 60.4 4.9 (a) The Company uses adjusted EBITDA and adjusted EBITDA margin as additional measures to assist it in comparing its performance on a consistent basis for purposes of business decision making by removing the impact of certain items that management believes are not representative of its underlying performance and to improve the comparability of results across reporting periods.
U.S. sales increased by $165.8 million, or 17%, largely due to a $45.1 million increase in aftermarket revenues and increases in sales of street sweepers, sewer cleaners, safe-digging trucks, industrial vacuum loaders, trailers, multi-purpose tractors, road-marking and line-removal equipment and refuse trucks of $35.5 million, $28.1 million, $21.4 million, $16.3 million, $10.5 million, $7.8 million, $7.5 million and $6.3 million, respectively.
U.S. sales increased by $102.7 million, or 9%, largely due to a $12.9 million increase in aftermarket revenues and increases in sales of dump truck bodies of $31.9 million, sewer cleaners of $21.3 million, street sweepers of $12.0 million, industrial vacuum loaders of $10.5 million, road-marking and line-removal equipment of $10.1 million, refuse trucks of $8.0 million, metal extraction support equipment of $3.1 million, and hoists of $2.8 million.
Non-U.S. sales increased by $81.5 million, or 42%, largely due to a $21.1 million improvement in aftermarket revenues and increases in sales of refuse trucks, metal extraction support equipment, multi-purpose tractors and sewer cleaners of $24.8 million, $17.9 million, $13.6 million and $6.9 million, respectively.
Non-U.S. sales increased by $16.5 million, or 6%, largely due to a $6.0 million improvement in aftermarket revenues and increases in sales of multi-purpose maintenance vehicles of $4.9 million, dump truck bodies of $4.6 million, road-marking and line removal equipment of $4.0 million, sewer cleaners of $1.8 million, and metal extraction support equipment of $1.2 million.
Year ended December 31, 2023 vs. year ended December 31, 2022 Net sales Net sales for the year ended December 31, 2023 increased by $287.9 million, or 20%, compared to the prior year, inclusive of the effects of acquisitions, pricing actions and increased chassis sales.
Year ended December 31, 2024 vs. year ended December 31, 2023 Net sales Net sales for the year ended December 31, 2024 increased by $138.8 million, or 8%, compared to the prior year, primarily due to higher sales volumes, inclusive of the effects of acquisitions, and pricing actions, partially offset by a $11.6 million reduction in chassis sales.
We have now completed 11 acquisitions since 2016. ◦ We demonstrated our commitment to returning value to our stockholders by paying cash dividends of $23.8 million, and spending $5.5 million to repurchase shares under our authorized repurchase program. • To highlight our ongoing focus on operating in a socially responsible and sustainable manner, we published our fourth annual Sustainability Report in June 2023. * The Company uses adjusted earnings before interest, tax, depreciation and amortization (“adjusted EBITDA”) and the ratio of adjusted EBITDA to net sales (“adjusted EBITDA margin”) as additional measures which are representative of its underlying performance and to improve the comparability of results across reporting periods.
We have now completed 12 acquisitions since 2016. ◦ We demonstrated our commitment to returning value to our stockholders by paying cash dividends of $29.3 million and spending $6.7 million to repurchase shares of our common stock under our authorized repurchase program. * The Company uses adjusted earnings before interest, tax, depreciation, and amortization (“adjusted EBITDA”) and the ratio of adjusted EBITDA to net sales (“adjusted EBITDA margin”) as additional measures to assist it in comparing its performance on a consistent basis for purposes of business decision making by removing the impact of certain items that management believes are not representative of its underlying performance and to improve the comparability of results across reporting periods.
Consolidated operating margin for the year ended December 31, 2023 was 13.0%, compared to 11.2% in the prior year. Interest expense, net Interest expense for the year ended December 31, 2023 increased by $9.4 million, or 91%, compared to the prior year, largely due to an increase in interest rates.
Consolidated operating margin for the year ended December 31, 2024 was 15.1%, compared to 13.0% in the prior year. Interest expense, net Interest expense, net for the year ended December 31, 2024 decreased by $7.2 million, or 37%, compared to the prior year, largely due to reductions in average debt levels.
Borrowings under the 2022 Credit Agreement bear interest, at the Company’s option, at a base rate or an Adjusted Term Secured Overnight Financing Rate (“SOFR”), Adjusted Eurocurrency Rate or Adjusted Daily Simple SONIA Rate (as each is defined in the 2022 Credit Agreement), plus, in each case, an applicable margin.
Borrowings under the 2022 Credit Agreement bear interest, at the Company’s option, at a base rate or an Adjusted Eurocurrency Rate (as defined in the 2022 Credit Agreement) in the case of borrowings in euros or an adjusted RFR (as defined in the 2022 Credit Agreement) in the case of borrowings in U.S. dollars, Canadian dollars, and British pound sterling, plus, in each case, an applicable margin.
The increase in income tax expense in the current year was primarily due to higher earnings and the non-recurrence of certain discrete tax benefits recognized in the prior year associated with the release of valuation allowances, partially offset by a $1.5 million increase in the amount of excess tax benefits from stock compensation activity compared to the prior year.
The increase in income tax expense in 2024 was primarily due to higher earnings, partially offset by the aforementioned discrete tax benefits, which aggregated to $15.9 million, and the recognition of $5.1 million in excess tax benefits associated with stock-based compensation activity.
U.S. sales increased by $21.8 million, or 14%, driven by improvements in sales of public safety 21 Table of Contents equipment, industrial signaling equipment and warning systems of $12.6 million, $4.7 million and $4.5 million, respectively.
U.S. sales increased by $28.9 million, or 16%, driven by improvements in sales of public safety equipment of $24.4 million, industrial signaling equipment of $2.4 million, and warning systems of $2.1 million.
The Company also funded cash dividends and share repurchases of $21.8 million and $16.1 million, respectively, and redeemed $6.2 million of stock in order to remit funds to tax authorities to satisfy employees’ tax withholdings following the vesting of stock-based compensation and the exercise of stock options.
In 2024, the Company paid down $76.5 million of borrowings under its revolving credit facility and $3.9 million under its term loan facility, funded cash dividends of $29.3 million and share repurchases of $6.7 million, and redeemed $6.1 million of common stock in order to remit funds to tax authorities to satisfy employees’ tax withholdings following the vesting of stock-based compensation and the exercise of stock options.
Within the Safety and Security Systems Group, cost of sales increased by $20.3 million, or 13%, primarily related to higher sales volumes, benefits from pricing actions and lower freight costs.
Within the Safety and Security Systems Group, cost of sales increased by $2.6 million, or 1%, primarily related to higher sales volumes, partially offset by favorable product mix and lower material costs.
The Company believes that its financial resources and major sources of liquidity, including cash flow from operations and borrowing capacity, will be adequate to meet its operating needs, capital needs and financial commitments. 24 Table of Contents Contractual Obligations and Off-Balance Sheet Arrangements The following table summarizes the Company’s contractual obligations and payments due by period as of December 31, 2023: Payments Due by Period (in millions of dollars) Total Less than 1 Year 2-3 Years 4-5 Years More than 5 Years Long-term debt $ 297.4 $ 3.9 $ 17.2 $ 276.3 $ — Interest payments on long-term debt (a) 64.4 17.4 33.7 13.3 — Operating lease obligations (b) 23.3 7.7 9.5 3.6 2.5 Finance lease obligations 1.6 0.8 0.8 — — Purchase obligations (c) 277.6 254.1 23.4 0.1 — Pension contributions (d) 5.2 5.2 — — — Contingent earn-out payments (e) 4.9 — 4.9 — — Total contractual obligations (f) $ 674.4 $ 289.1 $ 89.5 $ 293.3 $ 2.5 (a) Amounts represent estimated contractual interest payments on outstanding long-term debt.
Contractual Obligations and Off-Balance Sheet Arrangements The following table summarizes the Company’s contractual obligations and payments due by period as of December 31, 2024: Payments Due by Period (in millions of dollars) Total Less than 1 Year 2-3 Years 4-5 Years More than 5 Years Long-term debt $ 210.9 $ 7.0 $ 203.9 $ — $ — Interest payments on long-term debt (a) 29.9 11.0 18.9 — — Operating lease obligations (b) 31.9 8.2 12.2 7.8 3.7 Finance lease obligations 12.9 12.4 0.4 0.1 — Purchase obligations (c) 353.2 336.5 14.5 2.2 — Pension contributions (d) 3.6 3.6 — — — Contingent earn-out payments (e) 4.8 4.2 0.6 — — Total contractual obligations (f) $ 647.2 $ 382.9 $ 250.5 $ 10.1 $ 3.7 (a) Amounts represent estimated contractual interest payments on outstanding long-term debt.
Partially offsetting these improvements was a reduction in sales of hoists and waterblasting equipment of $7.9 million and $5.1 million, respectively, as well as a $6.4 million unfavorable foreign currency translation impact.
Partially offsetting these improvements were reductions in shipments of waterblasting equipment of $2.0 million and safe-digging trucks of $1.4 million, as well as a $3.3 million unfavorable foreign currency translation impact.
Net sales increased by $40.6 million, or 17%, for the year ended December 31, 2023, inclusive of the effects of higher sales volumes and pricing actions.
Partially offsetting these reductions was a $4.9 million improvement in orders for warning systems. Net sales increased by $19.6 million, or 7%, for the year ended December 31, 2024, inclusive of the effects of higher sales volumes and pricing actions.
Environmental Solutions The following table summarizes the Environmental Solutions Group’s operating results as of, and for the years ended, December 31, 2023, 2022 and 2021: For the Years Ended December 31, Change (in millions of dollars) 2023 2022 2021 2023 vs. 2022 2022 vs. 2021 Net sales $ 1,437.9 $ 1,190.6 $ 1,004.0 $ 247.3 $ 186.6 Operating income 209.2 144.5 120.5 64.7 24.0 Other data: Operating margin 14.5 % 12.1 % 12.0 % 2.4 % 0.1 % Total orders $ 1,578.0 $ 1,444.2 $ 1,297.3 $ 133.8 $ 146.9 Backlog 966.5 824.4 576.4 142.1 248.0 Depreciation and amortization 56.0 50.3 46.7 5.7 3.6 Year ended December 31, 2023 vs. year ended December 31, 2022 Total orders increased by $133.8 million, or 9%, for the year ended December 31, 2023, inclusive of the effects of acquisitions and pricing actions.
Excludes purchase accounting expense effects included within depreciation and amortization of $0.2 million for the year ended December 31, 2024. 21 Table of Contents Environmental Solutions The following table summarizes the Environmental Solutions Group’s operating results as of, and for the years ended, December 31, 2024 and December 31, 2023: For the Years Ended December 31, Change (in millions of dollars) 2024 2023 2024 vs. 2023 Net sales $ 1,557.1 $ 1,437.9 $ 119.2 Operating income 261.2 209.2 52.0 Other data: Operating margin 16.8 % 14.5 % 2.3 % Total orders $ 1,541.6 $ 1,578.0 $ (36.4) Backlog 939.7 966.5 (26.8) Depreciation and amortization 60.9 56.0 4.9 Year ended December 31, 2024 vs. year ended December 31, 2023 Total orders decreased by $36.4 million, or 2%, for the year ended December 31, 2024, including the effects of lower chassis orders of $23.5 million.
Net cash used for investing activities totaled $83.7 million, $99.7 million and $168.7 million in 2023, 2022 and 2021, respectively. In each of the years presented, cash was used to fund the purchase of properties and equipment, with $30.3 million, $53.0 million and $37.4 million of capital expenditures in 2023, 2022 and 2021, respectively.
Net cash used for investing activities totaled $78.9 million in 2024 and $83.7 million in 2023. In both years, cash was used to fund the purchase of properties and equipment, with capital expenditures of $40.6 million in 2024 and $30.3 million in 2023. During 2024, the Company completed the acquisition of Standard for initial consideration of $39.7 million.
Other expense (income), net For the year ended December 31, 2023, Other expense (income), net, increased by $2.2 million compared to the prior year, primarily due to a $1.0 million increase in net periodic pension expense, a $0.8 million increase in estimated environmental remediation costs associated with a business discontinued in 2009, and a $0.4 million increase in foreign currency transaction losses.
Other expense, net For the year ended December 31, 2024, Other expense, net, decreased by $0.6 million compared to the prior year, primarily due to the non-recurrence of an $0.8 million environmental remediation charge recorded in the prior-year period associated with a business discontinued in 2009, partially offset by higher net periodic pension expense.
U.S. orders increased by $73.1 million, or 6%, primarily due to improvements in orders for street sweepers, road-marking and line-removal equipment, dump truck bodies, multi-purpose tractors, industrial vacuum loaders and refuse trucks of $26.9 million, $22.9 million, $19.5 million, $12.0 million, $9.5 million and $6.4 million, respectively. Additionally, aftermarket demand increased by $43.2 million.
Non-U.S. orders increased by $23.8 million, or 8%, primarily due to improvements in orders for refuse trucks of $17.0 million, street sweepers of $5.5 million, multi-purpose maintenance vehicles of $5.0 million, dump truck bodies of $2.8 million, and metal extraction support equipment of $2.7 million. Additionally, non-U.S. aftermarket orders increased by $7.6 million.
The following table summarizes the Company’s adjusted EBITDA and adjusted EBITDA margin and reconciles net income to adjusted EBITDA for each of the three years in the period ended December 31, 2023: For the Years Ended December 31, (in millions of dollars) 2023 2022 2021 Net income $ 157.4 $ 120.4 $ 100.6 Add (less): Interest expense, net 19.7 10.3 4.5 Pension settlement charges — — 10.3 Acquisition and integration-related expenses (benefits), net 0.4 (0.5) (2.1) Coronavirus-related expenses (a) — — 1.2 Purchase accounting effects (b) 0.7 — 0.3 Other expense (income), net 1.8 (0.4) (1.7) Income tax expense 45.6 30.5 17.0 Depreciation and amortization 60.4 54.7 50.4 Adjusted EBITDA $ 286.0 $ 215.0 $ 180.5 Net sales $ 1,722.7 $ 1,434.8 $ 1,213.2 Adjusted EBITDA margin 16.6 % 15.0 % 14.9 % (a) Coronavirus-related expenses relate to direct expenses incurred in connection with the Company's response to the coronavirus pandemic, that are incremental to, and separable from, normal operations.
The following table summarizes the Company’s adjusted EBITDA and adjusted EBITDA margin and reconciles net income to adjusted EBITDA for the years ended December 31, 2024 and December 31, 2023: For the Years Ended December 31, (in millions of dollars) 2024 2023 Net income $ 216.3 $ 157.4 Add: Interest expense, net 12.5 19.7 Pension settlement charges 3.8 — Acquisition and integration-related expenses, net 2.8 0.4 Purchase accounting effects (a) 1.1 0.7 Other expense, net 1.2 1.8 Income tax expense 47.6 45.6 Depreciation and amortization 65.3 60.4 Adjusted EBITDA $ 350.6 $ 286.0 Net sales $ 1,861.5 $ 1,722.7 Adjusted EBITDA margin 18.8 % 16.6 % (a) Purchase accounting effects represent the step-up in the valuation of equipment acquired in recent business combinations that was sold during the periods presented.
For further discussion, see Note 10 – Income Taxes to the accompanying consolidated financial statements. 19 Table of Contents Net income Net income for the year ended December 31, 2023 increased by $37.0 million, or 31%, compared to the prior year, largely due to the increased operating income, partially offset by increases in income tax expense, interest expense and other expense of $15.1 million, $9.4 million and $2.2 million, respectively.
Net income Net income for the year ended December 31, 2024 increased by $58.9 million, or 37%, compared to the prior year, largely due to the increased operating income and the reductions in interest expense, net, and other expense, net, partially offset by the $3.8 million pension settlement charge and a $2.0 million increase in income tax expense.