10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q

(Mark One)
☑	QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the quarterly period ended		December 31, 2023
	OR
☐	TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the transition period from                      to

Commission file number 001-13783

IES Holdings, Inc.

(Exact name of registrant as specified in its charter)

Delaware	76-0542208
(State or other jurisdiction of	(I.R.S. Employer
incorporation or organization)	Identification No.)

2 Riverway, Suite 1730, Houston, Texas 77056

(Address of principal executive offices and zip code)

Registrant’s telephone number, including area code: (713) 860-1500

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol	Name of each exchange on which registered
Common Stock, par value $0.01 per share	IESC	NASDAQ Global Market

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.     Yes ☑ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).     Yes ☑ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	☐	Accelerated filer	☑
Non-accelerated filer	☐	Smaller reporting company	☐
Emerging growth company	☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No ☑

On January 31, 2024, there were 20,221,466 shares of common stock outstanding.

1

IES HOLDINGS, INC. AND SUBSIDIARIES

INDEX

			Page
PART I. FINANCIAL INFORMATION
	Item 1. Financial Statements
		Condensed Consolidated Balance Sheets as of December 31, 2023 and September 30, 2023	6
		Condensed Consolidated Statements of Comprehensive Income for the Three Months Ended December 31, 2023 and 2022	7
		Condensed Consolidated Statements of Stockholders’ Equity for the Three Months Ended December 31, 2023 and 2022	8
		Condensed Consolidated Statements of Cash Flows for the Three Months Ended December 31, 2023 and 2022	9
		Notes to Condensed Consolidated Financial Statements	10
	Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations		21
	Item 3. Quantitative and Qualitative Disclosures About Market Risk		29
	Item 4. Controls and Procedures		29
PART II. OTHER INFORMATION
	Item 1. Legal Proceedings		30
	Item 1A. Risk Factors		30
	Item 2. Unregistered Sales of Equity Securities and Use of Proceeds		30
	Item 3. Defaults Upon Senior Securities		30
	Item 4. Mine Safety Disclosures		30
	Item 5. Other Information		30
	Item 6. Exhibits		31
	Signatures		32

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PART I. FINANCIAL INFORMATION

DEFINITIONS

In this Quarterly Report on Form 10-Q, the words “IES”, the “Company”, the “Registrant”, “we”, “our”, “ours” and “us” refer to IES Holdings, Inc. and, except as otherwise specified herein, to our subsidiaries.

DISCLOSURE REGARDING FORWARD-LOOKING STATEMENTS

This Quarterly Report on Form 10-Q includes certain statements that may be deemed “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, all of which are based upon various estimates and assumptions that the Company believes to be reasonable as of the date hereof. In some cases, you can identify forward-looking statements by terminology such as “may,” “will,” “could,” “should,” “expect,” “plan,” “project,” “intend,” “anticipate,” “believe,” “seek,” “estimate,” “predict,” “potential,” “pursue,” “target,” “continue,” the negative of such terms or other comparable terminology. These statements involve risks and uncertainties that could cause the Company’s actual future outcomes to differ materially from those set forth in such statements. Such risks and uncertainties include, but are not limited to:

•a general reduction in the demand for our products or services;

•changes in general economic conditions, including market and macro-economic disruptions resulting from Russia's invasion of Ukraine or other geo-political events;

•competition in the industries in which we operate, both from third parties and former employees, which could result in the loss of one or more customers or lead to lower margins on new projects;

•our ability to successfully manage projects, the cost and availability of qualified labor and the ability to maintain positive labor relations, and our ability to pass along increases in the cost of commodities used in our business, in particular, copper, aluminum, steel, fuel, electronic components and certain plastics;

•supply chain disruptions due to our suppliers' access to materials and labor, their ability to ship products timely, or credit or liquidity problems they may face;

•the impact of the novel coronavirus (“COVID-19”) pandemic or any future epidemics or pandemics on our business, including the potential for new or continued job site closures or work stoppages, supply chain disruptions, delays in awarding new project bids, construction delays, reduced demand for our services, delays in our ability to collect from our customers, the impact of third party vaccine mandates on employee recruiting and retention, or illness of management or other employees;

•credit and capital market conditions, including changes in interest rates that affect the cost of construction financing and mortgages, and the inability of some of our customers to retain sufficient financing, which could lead to project delays or cancellations;

•inaccurate estimates used when entering into fixed-price contracts, the possibility of errors when estimating revenue and progress to date on percentage-of-completion contracts, and complications associated with the incorporation of new accounting, control and operating procedures;

•our ability to enter into, and the terms of, future contracts;

•the inability to carry out plans and strategies as expected, including the inability to identify and complete acquisitions that meet our investment criteria in furtherance of our corporate strategy, or the subsequent underperformance of those acquisitions;

•challenges integrating new businesses into the Company or new types of work, products or processes into our segments;

•backlog that may not be realized or may not result in profits;

•failure to adequately recover on contract change orders or claims against customers;

•closures or sales of our facilities resulting in significant future charges, including potential warranty losses or other unexpected liabilities, or a significant disruption of our operations;

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•the impact of seasonality, adverse weather conditions, and climate change;

•an increased cost of surety bonds affecting margins on work and the potential for our surety providers to refuse bonding or require additional collateral at their discretion;

•fluctuations in operating activity due to downturns in levels of construction or the housing market, seasonality and differing regional economic conditions;

•increases in bad debt expense and days sales outstanding due to liquidity problems faced by our customers;

•accidents resulting from the physical hazards associated with our work and the potential for accidents;

•the possibility that our current insurance coverage may not be adequate or that we may not be able to obtain policies at acceptable rates;

•the effect of litigation, claims and contingencies, including warranty losses, damages or other latent defect claims in excess of our existing reserves and accruals;

•interruptions to our information systems and cyber security or data breaches;

•liabilities under existing or potential future laws and regulations, including those laws and regulations related to the environment and climate change;

•expenditures to comply with future changes in laws and regulations, including environmental laws and regulations and those relating to climate change;

•loss of key personnel, ineffective transition of new management, or inability to transfer, renew and obtain electrical and other professional licenses;

•the possibility that the value of certain tax benefits may be reduced by a decrease in the federal tax rate;

•the recognition of tax benefits related to uncertain tax positions and the potential for disagreements with taxing authorities with regard to tax positions we have adopted;

•the potential recognition of valuation allowances or write-downs on deferred tax assets;

•limitations on the availability of sufficient credit or cash flow to fund our working capital needs and capital expenditures, to complete acquisitions, and for debt service;

•difficulty in fulfilling the covenant terms of our revolving credit facility, including liquidity, and other financial requirements, which could result in a default and acceleration of any indebtedness under such revolving credit facility;

•uncertainties inherent in estimating future operating results, including revenues, operating income or cash flow;

•the recognition of potential goodwill, long-lived assets and other investment impairments;

•the existence of a controlling shareholder, who has the ability to take action not aligned with other shareholders or to dispose of all or any portion of the shares of our common stock it holds, which could trigger certain change of control provisions in a number of our material agreements, including our financing and surety arrangements and our executive severance plan;

•the relatively low trading volume of our common stock, which may make it more difficult for shareholders to sell a substantial number of shares for the same price at which shareholders could sell a smaller number of shares;

•the possibility that we issue additional shares of common stock, preferred stock or convertible securities that will dilute the percentage ownership interest of existing stockholders and may dilute the value per share of our common stock;

•the potential for substantial sales of our common stock, which could adversely affect our stock price;

•the impact of increasing scrutiny and changing expectations from investors and customers, or new or changing regulations, with respect to environmental, social and governance practices;

4

•the cost or effort required for our shareholders to bring certain claims or actions against us, resulting from our designation of the Court of Chancery of the State of Delaware as the sole and exclusive forum for certain types of actions and proceedings;

•the possibility that our internal controls over financial reporting and our disclosure controls and procedures may not prevent all possible errors that could occur; and

•other factors discussed elsewhere in this Quarterly Report on Form 10-Q.

You should understand that the foregoing, as well as other risk factors discussed in this document, including those listed in Part I, Item 1A of our Annual Report on Form 10-K for the fiscal year ended September 30, 2023, could cause future outcomes to differ materially from those experienced previously or those expressed in such forward-looking statements. We undertake no obligation to publicly update or revise any information, including information concerning our controlling shareholder, net operating losses, borrowing availability or cash position, or any forward-looking statements to reflect events or circumstances that may arise after the date of this report. Forward-looking statements are provided in this Quarterly Report on Form 10-Q pursuant to the safe harbor established under the Private Securities Litigation Reform Act of 1995 and should be evaluated in the context of the estimates, assumptions, uncertainties and risks described herein.

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Item 1. Financial Statements

IES HOLDINGS, INC. AND SUBSIDIARIES

Condensed Consolidated Balance Sheets

(In Thousands, Except Share Information)

			December 31,		September 30,
			2023		2023
			(Unaudited)
ASSETS
CURRENT ASSETS:
	Cash and cash equivalents		$	87,456	$	75,770
	Accounts receivable:
		Trade, net of allowance of $1,705 and $1,649, respectively	388,556		363,836
		Retainage	80,781		76,934
	Inventories		113,774		95,655
	Costs and estimated earnings in excess of billings		40,646		48,620
	Prepaid expenses and other current assets		16,378		10,481
Total current assets			727,591		671,296
Property and equipment, net			65,423		63,410
Goodwill			92,395		92,395
Intangible assets, net			53,141		56,208
Deferred tax assets			20,280		20,383
Operating right of use assets			62,560		61,761
Other non-current assets			20,629		16,147
Total assets			$	1,042,019	$	981,600
LIABILITIES AND STOCKHOLDERS’ EQUITY
CURRENT LIABILITIES:
	Accounts payable and accrued expenses		294,947		296,797
	Billings in excess of costs and estimated earnings		126,962		103,771
Total current liabilities			421,909		400,568
Long-term debt			—		—
Operating long-term lease liabilities			42,337		42,098
Other tax liabilities			22,312		22,047
Other non-current liabilities			11,849		16,951
Total liabilities			498,407		481,664
Noncontrolling interest			54,969		49,951
STOCKHOLDERS’ EQUITY:
	Preferred stock, $0.01 par value, 10,000,000 shares authorized, none issued
		and outstanding	—		—
	Common stock, $0.01 par value, 100,000,000 shares authorized; 22,049,529
		issued and 20,213,976 and 20,194,218 outstanding, respectively	220		220
	Treasury stock, at cost, 1,835,553 and 1,855,311 shares, respectively		(49,521)		(49,450)
	Additional paid-in capital		203,986		203,431
	Retained earnings		333,958		295,784
Total stockholders’ equity			488,643		449,985
Total liabilities and stockholders’ equity			$	1,042,019	$	981,600

The accompanying notes are an integral part of these Condensed Consolidated Financial Statements.

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IES HOLDINGS, INC. AND SUBSIDIARIES

Condensed Consolidated Statements of Comprehensive Income

(In Thousands, Except Share Information)

(Unaudited)

		Three Months Ended December 31,
		2023		2022
Revenues		$	634,444	$	574,874
Cost of services		490,640		479,436
	Gross profit	143,804		95,438
Selling, general and administrative expenses		85,850		67,768
Contingent consideration		35		69
Gain on sale of assets		(71)		(13,060)
	Operating income	57,990		40,661
Interest and other (income) expense:
Interest expense		397		1,184
Other (income) expense, net		(1,393)		695
Income from operations before income taxes		58,986		38,782
Provision for income taxes		15,398		10,028
Net income		43,588		28,754
Net income attributable to noncontrolling interest		(2,632)		(2,352)
Comprehensive income attributable to IES Holdings, Inc.		$	40,956	$	26,402
Earnings per share attributable to common stockholders of IES Holdings, Inc.:
	Basic	$	1.89	$	1.15
	Diluted	$	1.87	$	1.14
Shares used in the computation of earnings per share:
	Basic	20,199,587		20,242,114
	Diluted	20,435,148		20,449,035

The accompanying notes are an integral part of these Condensed Consolidated Financial Statements.

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IES HOLDINGS, INC. AND SUBSIDIARIES

Condensed Consolidated Statements of Stockholders’ Equity (unaudited)

(In Thousands, Except Share Information)

		Three Months Ended December 31, 2023
		Common Stock			Treasury Stock			Additional Paid-In Capital		Retained Earnings		Total Stockholders' Equity
		Shares	Amount		Shares	Amount
BALANCE, September 30, 2023		22,049,529	$	220	(1,855,311)	$	(49,450)	$	203,431	$	295,784	$	449,985
	Issuances under compensation plans	—		—	32,180		858		(858)		—		—
	Acquisition of treasury stock	—		—	(12,422)		(929)		—		—		(929)
	Non-cash compensation	—		—	—		—		1,413		—		1,413
	Increase in noncontrolling interest	—		—	—		—		—		(2,782)		(2,782)
	Net income attributable to IES Holdings, Inc.	—		—	—		—		—		40,956		40,956
BALANCE, December 31, 2023		22,049,529	$	220	(1,835,553)	$	(49,521)	$	203,986	$	333,958	$	488,643

		Three Months Ended December 31, 2022
		Common Stock			Treasury Stock			Additional Paid -In Capital		Retained Earnings		Total Stockholders' Equity
		Shares	Amount		Shares	Amount
BALANCE, September 30, 2022		22,049,529	$	220	(1,707,629)	$	(44,000)	$	201,871	$	203,197	$	361,288
	Issuances under compensation plans	—		—	71,013		1,843		(1,843)		—		—
	Acquisition of treasury stock	—		—	(239,060)		(7,496)		7		—		(7,489)
	Non-cash compensation	—		—	—		—		905		—		905
	Increase in noncontrolling interest	—		—	—		—		—		(3,055)		(3,055)
	Net income attributable to IES Holdings, Inc.	—		—	—		—		—		26,402		26,402
BALANCE, December 31, 2022		22,049,529	$	220	(1,875,676)	$	(49,653)	$	200,940	$	226,544	$	378,051

The accompanying notes are an integral part of these Condensed Consolidated Financial Statements.

8

IES HOLDINGS, INC. AND SUBSIDIARIES

Condensed Consolidated Statements of Cash Flows

(In Thousands)

(Unaudited)

			Three Months Ended December 31,
			2023		2022
CASH FLOWS FROM OPERATING ACTIVITIES:
	Net income		$	43,588	$	28,754
	Adjustments to reconcile net income to net cash provided by operating activities:
		Bad debt expense		150		63
		Deferred financing cost amortization		70		65
		Depreciation and amortization		7,617		6,388
		Gain on sale of assets		(71)		(13,060)
		Non-cash compensation expense		1,413		905
		Deferred income tax expense		1,004		533
		Unrealized gain on trading securities		(119)		—
	Changes in operating assets and liabilities:
		Accounts receivable		(24,869)		18,142
		Inventories		(18,121)		(5,113)
		Costs and estimated earnings in excess of billings		7,974		7,562
		Prepaid expenses and other current assets		(9,761)		(11,766)
		Other non-current assets		(4,443)		103
		Accounts payable and accrued expenses		(2,616)		(29,780)
		Billings in excess of costs and estimated earnings		23,191		10,722
		Other non-current liabilities		(54)		826
Net cash provided by operating activities				24,953		14,344
CASH FLOWS FROM INVESTING ACTIVITIES:
	Purchases of property and equipment			(6,515)		(2,712)
	Proceeds from sale of assets			656		19,205
	Cash paid in conjunction with equity investments			(130)		(165)
Net cash provided by (used in) investing activities				(5,989)		16,328
CASH FLOWS FROM FINANCING ACTIVITIES:
	Borrowings of debt			654,039		607,974
	Repayments of debt			(654,039)		(647,639)
	Cash paid for finance leases			(978)		(773)
	Settlement of contingent consideration liability			(4,074)		—
	Distribution to noncontrolling interest			(1,297)		(2,348)
	Purchase of treasury stock			(929)		(7,489)
Net cash used in financing activities				(7,278)		(50,275)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS				11,686		(19,603)
CASH AND CASH EQUIVALENTS, beginning of period				75,770		24,848
CASH AND CASH EQUIVALENTS, end of period			$	87,456	$	5,245
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
		Cash paid for interest	$	135	$	1,001
		Cash paid for income taxes, net	$	117	$	63

The accompanying notes are an integral part of these Condensed Consolidated Financial Statements.

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IES HOLDINGS, INC. AND SUBSIDIARIES

Notes to the Condensed Consolidated Financial Statements

(All Amounts in Thousands Except Share Amounts)

(Unaudited)

1. BUSINESS AND ACCOUNTING POLICIES

Description of the Business

IES Holdings, Inc. designs and installs integrated electrical and technology systems and provides infrastructure products and services to a variety of end markets, including data centers, residential housing and commercial and industrial facilities. Our operations are organized into four business segments, based upon the nature of our services:

•Communications – Nationwide provider of technology infrastructure services, including the design, build, and maintenance of the communications infrastructure within data centers for co-location and managed hosting customers, for both large corporations and independent businesses.

•Residential – Regional provider of electrical installation services for single-family housing and multi-family apartment complexes, as well as heating, ventilation and air conditioning (HVAC) and plumbing installation services in certain markets.

•Infrastructure Solutions – Provider of electro-mechanical solutions for industrial operations, including apparatus repair and custom-engineered products such as generator enclosures used in data centers and other industrial applications.

•Commercial & Industrial – Provider of electrical and mechanical design, construction, and maintenance services to the commercial and industrial markets in various regional markets and nationwide in certain areas of expertise, such as the power infrastructure market and data centers.

The words “IES”, the “Company”, “we”, “our”, and “us” refer to IES Holdings, Inc. and, except as otherwise specified herein, to our consolidated subsidiaries.

Seasonality and Quarterly Fluctuations

Results of operations from our Residential segment can be seasonal, depending on weather trends, with typically higher revenues generated during spring and summer and lower revenues generated during fall and winter. The Commercial & Industrial, Communications and Infrastructure Solutions segments of our business are less subject to seasonal trends, as work in these segments generally is performed inside structures protected from the weather, although weather can still impact these businesses, especially in the early stages of projects. From quarter to quarter, results for our Communications, Residential, and Commercial & Industrial segments may be materially affected by the timing of new construction projects, and our volume of business may be adversely affected by declines in construction projects resulting from adverse regional or national economic conditions. Quarterly results for our Infrastructure Solutions segment may be affected by the timing of outages or capital projects at our customers’ facilities. Accordingly, operating results for any fiscal period are not necessarily indicative of results that may be achieved for any subsequent fiscal period.

Basis of Financial Statement Preparation

The accompanying unaudited Condensed Consolidated Financial Statements include the accounts of IES, our wholly-owned subsidiaries, and entities that we control due to ownership of a majority of voting interest and have been prepared in accordance with the instructions to interim financial reporting as prescribed by the United States Securities and Exchange Commission (the “SEC”). The results for the interim periods are not necessarily indicative of results for the entire year. These interim financial statements do not include all disclosures required by U.S. generally accepted accounting principles (“GAAP”) and should be read in conjunction with the consolidated financial statements and notes thereto filed with the SEC in our Annual Report on Form 10-K for the fiscal year ended September 30, 2023. In the opinion of management, the unaudited Condensed Consolidated Financial Statements contained in this report include all known accruals and adjustments necessary for a fair presentation of the financial position, results of operations, and cash flows for the periods reported herein. Any such adjustments are of a normal recurring nature.

Noncontrolling Interest

In connection with our acquisitions of Edmonson Electric, LLC and Bayonet Plumbing, Heating & Air-Conditioning, LLC (“Bayonet”) in fiscal 2021, and NEXT Electric, LLC in fiscal 2017, we acquired an 80 percent interest in each of the entities, with the remaining 20 percent interest in each such entity being retained by the respective third-party seller. The interests retained by those third-party sellers are identified on our Condensed Consolidated Balance Sheets as noncontrolling interest, classified outside of permanent equity. Under the terms of each entity’s operating agreement, after five years from the date of the acquisition, we may elect to purchase, or the third-party seller may require us to purchase, part or all of the remaining 20 percent interest in the applicable entity. The purchase price is variable, based on a multiple of earnings as defined in the operating agreements. Therefore, this noncontrolling interest is carried at the greater of the balance determined under Accounting Standards Codification (“ASC”) 810 and the redemption

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amounts assuming the noncontrolling interests were redeemable at the balance sheet date. If all of the noncontrolling interests remaining outstanding at December 31, 2023 had been redeemable at that date, the redemption amount would have been $54,969.

Use of Estimates

The preparation of financial statements in conformity with GAAP requires the use of estimates and assumptions by management in determining the reported amounts of assets and liabilities, disclosures of contingent liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Estimates are primarily used in our revenue recognition of construction in progress, fair value assumptions in accounting for business combinations, stock-based compensation, reserves for legal matters, and realizability of deferred tax assets and unrecognized tax benefits.

Accounting Standards Recently Adopted

In October 2021, the Financial Accounting Standards Board ("FASB") issued Accounting Standard Update No. 2021-08, Business Combinations (Topic 805): Accounting for Contract Assets and Contract Liabilities from Contracts with Customers (“ASU 2021-08”). This standard amends the existing guidance under ASC 805 to add contract assets and contract liabilities to the list of exceptions to the recognition and measurement principles that apply to business combinations. Under this standard, the acquirer of a business is expected to recognize and measure acquired contract assets and contract liabilities as if the acquirer entered into the original contract on the same date with the same terms in accordance with ASC 606 rather than at fair value on the date of acquisition. This update is effective for fiscal years beginning after December 15, 2022 and for interim periods within that year. We adopted this standard on October 1, 2023 using the prospective method. ASU 2021-08 will impact how we account for future business combinations.

2. CONTROLLING STOCKHOLDER

Tontine Associates, L.L.C. (“Tontine Associates”), together with its affiliates (collectively, “Tontine”), is the Company’s controlling stockholder, owning approximately 57 percent of the Company’s outstanding common stock based on a Form 4 filed by Tontine with the SEC on January 24, 2024 and the Company's shares outstanding as of January 31, 2024. Accordingly, Tontine has the ability to exercise significant control over our affairs, including the election of directors and most actions requiring the approval of stockholders.

While Tontine is subject to certain restrictions under federal securities laws on sales of its shares as an affiliate, the Company has filed a shelf registration statement to register all of the shares of IES common stock owned by Tontine at the time of registration. As long as the shelf registration statement remains effective and the Company remains eligible to use it, Tontine has the ability to resell any or all of its registered shares from time to time in one or more offerings, as described in the shelf registration statement and in any prospectus supplement filed in connection with an offering pursuant to the shelf registration statement.

Should Tontine sell or otherwise dispose of all or a portion of its position in IES, a change in control of IES could occur. A change of control would trigger the change of control provisions in a number of our material agreements, including our credit agreement, bonding agreements with our sureties and our executive severance plan.

Jeffrey L. Gendell was appointed as Chief Executive Officer of the Company effective October 1, 2020, having served as the Company's Interim Chief Executive Officer since July 31, 2020. Mr. Gendell also serves as Chairman of the Board of Directors, a position he has held since November 2016. He is the managing member and founder of Tontine, and the brother of David B. Gendell, who has served as a member of our Board of Directors since February 2012, and who previously served as Interim Director of Operations from November 2017 to January 2019, as Vice Chairman of the Board from November 2016 to November 2017 and as Chairman of the Board from January 2015 to November 2016. David B. Gendell was an employee of Tontine from 2004 until January 2018.

The Company is party to a sublease agreement with Tontine Associates for corporate office space in Greenwich, Connecticut. In December 2022, the Company entered into an amendment of the sublease agreement, which was set to terminate on February 28, 2023, to extend the term of the agreement through August 31, 2024 and to increase the monthly payments from approximately $8 to approximately $9 effective March 1, 2023. Payments by the Company are at a rate consistent with that paid by Tontine Associates to its landlord.

On December 6, 2018, the Company entered into a Board Observer Letter Agreement (the "Observer Agreement") with Tontine Associates in order to assist Tontine in managing its investment in the Company. Subject to the terms and conditions set forth in the Observer Agreement, the Company granted Tontine the right, at any time that Tontine holds at least 20% of the outstanding common stock of the Company, to appoint a representative to serve as an observer to the Board (the “Board Observer”). The Board Observer, who must be reasonably acceptable to those members of the Board who are not affiliates of Tontine, shall have no voting rights or other decision making authority. Subject to the terms and conditions set forth in the Observer Agreement, so long as Tontine has the right to appoint a Board Observer, the Board Observer will have the right to attend and participate in meetings of the Board and the committees thereof, subject to confidentiality requirements, and to receive reimbursement for reasonable out-of-pocket expenses

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incurred in his or her capacity as a Board Observer and such rights to coverage under the Company’s directors’ and officers’ liability insurance policy as are available to the Company’s directors.

3. REVENUE RECOGNITION

Contracts

Our revenue is derived from contracts with customers, and we determine the appropriate accounting treatment for each contract at its inception. Our contracts primarily relate to electrical and mechanical contracting services, technology infrastructure products and services, and electro-mechanical solutions for industrial operations. Revenue is earned based upon an agreed fixed price or actual costs incurred plus an agreed upon percentage.

We account for a contract when: (i) it has approval and commitment from both parties, (ii) the rights of the parties are identified, (iii) payment terms are identified, (iv) the contract has commercial substance, and (v) collectability of consideration is probable. We consider the start of a project to be when the above criteria have been met and we have written authorization from the customer to proceed.

Performance Obligations

A performance obligation is a promise in a contract to transfer a distinct good or service to the customer. A contract’s transaction price is allocated to each distinct performance obligation and recognized as revenue when, or as, the performance obligation is satisfied.

We recognize revenue over time for the majority of the services we perform other than the Residential Single-family and Infrastructure Solutions Industrial Services businesses, as (i) control continuously transfers to the customer as work progresses at a project location controlled by the customer and (ii) we have the right to bill the customer as costs are incurred. Within our Infrastructure Solutions Custom Power Solutions business, we often perform work inside our own facilities, where control does not continuously transfer to the customer as work progresses. In such cases, we evaluate whether the work performed creates an asset with alternative use to the Company and whether we have the right to bill the customer as costs are incurred. Such assessment involves an evaluation of contractual termination clauses. Where we are creating an asset with no alternative use and we have a contractual right to payment for work performed to date, we recognize revenue over time. If we do not have such a right, we recognize revenue upon completion of the contract, when control of the work transfers to the customer.

For arrangements where we recognize revenue over time, we use the percentage of completion method of accounting under which revenue recognized is measured principally by the costs incurred and accrued to date for each contract as a percentage of the estimated total cost for each contract at completion. Contract costs include all direct material, labor and indirect costs related to contract performance. Changes in job performance, job conditions, estimated contract costs and profitability and final contract settlements may result in revisions to costs and income, and the effects of these revisions are recognized in the period in which the revisions are determined. Provisions for estimated losses on uncompleted contracts are made in the period in which such losses are determined. This measurement and comparison process requires updates to the estimate of total costs to complete the contract, and these updates may include subjective assessments and judgments.

Variable Consideration

The transaction price for our contracts may include variable consideration, which includes changes to transaction price for approved and unapproved change orders, claims and incentives. Change orders, claims, and incentives are generally not distinct from the existing contract due to the significant integration service provided in the context of the contract and are accounted for as a modification of the existing contract and performance obligation. We estimate variable consideration for a performance obligation at the probability weighted value we expect to receive (or the most probable amount we expect to incur in the case of liquidated damages, if any), utilizing estimation methods that best predict the amount of consideration to which we will be entitled (or which will be incurred in the case of liquidated damages, if any). We include variable consideration in the estimated transaction price to the extent it is probable that a significant reversal of cumulative revenue recognized will not occur or when the uncertainty associated with the variable consideration is resolved. Our estimates of variable consideration and determination of whether to include estimated amounts in transaction price are based largely on an assessment of our anticipated performance and all information (historical, current and forecasted) that is reasonably available to us. The effect of variable consideration on the transaction price of a performance obligation is recognized as an adjustment to revenue on a cumulative catch-up basis. To the extent unapproved change orders and claims reflected in transaction price (or accounted for as a reduction of the transaction price in the case of liquidated damages) are not resolved in our favor, or to the extent incentives reflected in transaction price are not earned, there could be reductions in, or reversals of, previously recognized revenue.

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Disaggregation of Revenue

We disaggregate our revenue from contracts with customers by activity and contract type, as these categories reflect how the nature, amount, timing and uncertainty of our revenue and cash flows are affected by economic factors. Our consolidated revenue for the three months ended December 31, 2023 and 2022 was derived from the following activities. Certain prior period amounts have been reclassified to conform with the current period presentation, where applicable. See details in the following tables:

	Three Months Ended December 31,
	2023		2022
Communications	$	170,748	$	147,245
Residential
Single-family	246,567		243,710
Multi-family and Other	69,289		74,368
Total Residential	315,856		318,078
Infrastructure Solutions
Industrial Services	11,098		10,955
Custom Power Solutions	51,790		38,329
Total Infrastructure Solutions	62,888		49,284
Commercial & Industrial	84,952		60,267
Total Revenue	$	634,444	$	574,874

	Three Months Ended December 31, 2023
		Communications		Residential		Infrastructure Solutions		Commercial & Industrial		Total
Fixed-price		$	125,223	$	315,856	$	60,880	$	73,910	$	575,869
Time-and-material			45,525		—		2,008		11,042		58,575
Total revenue		$	170,748	$	315,856	$	62,888	$	84,952	$	634,444
	Three Months Ended December 31, 2022
		Communications		Residential		Infrastructure Solutions		Commercial & Industrial		Total
Fixed-price		$	87,274	$	318,078	$	47,546	$	51,895	$	504,793
Time-and-material			59,971		—		1,738		8,372		70,081
Total revenue		$	147,245	$	318,078	$	49,284	$	60,267	$	574,874

Accounts Receivable and Allowance for Credit Losses

Accounts receivable include amounts that we have billed or have an unconditional right to bill our customers. As of December 31, 2023, Accounts receivable included $5,347 of unbilled receivables for which we have an unconditional right to bill.

Contract Assets and Liabilities

Project contracts typically provide for a schedule of billings on percentage of completion of specific tasks inherent in the fulfillment of our performance obligation(s). The schedules for such billings usually do not precisely match the schedule on which costs are incurred. As a result, contract revenue recognized in the statement of operations can and usually does differ from amounts that can be billed to the customer at any point during the contract. Amounts by which cumulative contract revenue recognized on a contract as of a given date exceeds cumulative billings and unbilled receivables to the customer under the contract are reflected as a current asset in our Condensed Consolidated Balance Sheet under the caption “Costs and estimated earnings in excess of billings”. Amounts by which cumulative billings to the customer under a contract as of a given date exceed cumulative contract revenue recognized are reflected as a current liability in our Condensed Consolidated Balance Sheet under the caption “Billings in excess of costs and estimated earnings”.

During the three months ended December 31, 2023 and 2022, we recognized revenue of $77,964 and $38,047 related to our contract liabilities at October 1, 2023 and 2022, respectively.

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Remaining Performance Obligations

Remaining performance obligations represent the unrecognized revenue value of our contract commitments. New awards represent the total expected revenue value of new contract commitments undertaken during a given period, as well as additions to the scope of existing contract commitments. Our new performance obligations vary significantly each reporting period based on the timing of our major new contract commitments. At December 31, 2023, we had remaining performance obligations of $1,072,593. The Company expects to recognize revenue on approximately $872,321 of the remaining performance obligations over the next 12 months, with the remainder recognized thereafter.

For the three months ended December 31, 2023, net revenue recognized from our performance obligations satisfied in previous periods was not material.

4. DEBT

We are a party to the Third Amended and Restated Credit and Security Agreement (the “Amended Credit Agreement”), which provides for a maximum borrowing amount of $150,000 under our revolving credit facility. The Amended Credit Agreement, which matures on September 30, 2026, contains customary affirmative, negative and financial covenants as disclosed in Item 7 of our Annual Report on Form 10-K for the fiscal year ended September 30, 2023. As of December 31, 2023, the Company was in compliance with the financial covenants under the Amended Credit Agreement.

At December 31, 2023 and at September 30, 2023, we had no outstanding borrowings under our revolving credit facility. At December 31, 2023, we also had $5,606 in outstanding letters of credit and total availability of $142,489 under our revolving credit facility without triggering the financial covenants under the Amended Credit Agreement.

5. PER SHARE INFORMATION

The following tables reconcile the components of basic and diluted earnings per share for the three months ended December 31, 2023 and 2022:

	Three Months Ended December 31,
	2023		2022
Numerator:
Net income attributable to IES Holdings, Inc.	$	40,956	$	26,402
Increase in noncontrolling interest		(2,782)		(3,055)
Net income attributable to restricted stockholders of IES Holdings, Inc.		—		(11)
Net income attributable to common stockholders of IES Holdings, Inc.	$	38,174	$	23,336
Denominator:
Weighted average common shares outstanding — basic		20,199,587		20,242,114
Effect of dilutive stock options and non-vested securities		235,561		206,921
Weighted average common and common equivalent shares outstanding — diluted		20,435,148		20,449,035
Earnings per share attributable to common stockholders of IES Holdings, Inc.:
Basic	$	1.89	$	1.15
Diluted	$	1.87	$	1.14

For the three months ended December 31, 2023 and 2022, the average price of our common shares exceeded the exercise price of all of our outstanding stock options; therefore, all of our outstanding stock options were included in the computation of diluted earnings per share. For the three months ended December 31, 2023 and 2022, the computation of diluted earnings per share excluded 64,500 and 60,212 unvested Employee PSUs (as defined below), respectively, as the inclusion of such instruments would have been anti-dilutive.

6. OPERATING SEGMENTS

We manage and measure performance of our business in four distinct operating segments: Communications, Residential, Infrastructure Solutions, and Commercial & Industrial. These segments are reflective of how the Company’s Chief Operating Decision Maker (“CODM”) reviews operating results for the purpose of allocating resources and assessing performance. The Company’s

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CODM is its Chief Executive Officer.

Transactions between segments, if any, are eliminated in consolidation. Our corporate organization provides general and administrative services, as well as support services, to each of our four operating segments. Management allocates certain shared costs among segments for selling, general and administrative expenses and depreciation expense.

Segment information for the three months ended December 31, 2023 and 2022 is as follows:

		Three Months Ended December 31, 2023
		Communications		Residential		Infrastructure Solutions		Commercial & Industrial		Corporate		Total
Revenues		$	170,748	$	315,856	$	62,888	$	84,952	$	—	$	634,444
Cost of services		134,473		240,425		44,697		71,045		—		490,640
Gross profit		36,275		75,431		18,191		13,907		—		143,804
Selling, general and administrative		14,901		51,378		7,285		6,847		5,439		85,850
Contingent consideration		—		35		—		—		—		35
Loss (gain) on sale of assets		(4)		(82)		—		15		—		(71)
Operating income (loss)		$	21,378	$	24,100	$	10,906	$	7,045	$	(5,439)	$	57,990
Other data:
	Depreciation and amortization expense	$	723	$	4,962	$	1,227	$	475	$	230	$	7,617
	Capital expenditures	$	1,000	$	3,364	$	1,151	$	821	$	179	$	6,515
	Total assets	$	215,475	$	388,808	$	185,875	$	101,621	$	150,240	$	1,042,019

		Three Months Ended December 31, 2022
		Communications		Residential		Infrastructure Solutions		Commercial & Industrial		Corporate		Total
Revenues		$	147,245	$	318,078	$	49,284	$	60,267	$	—	$	574,874
Cost of services		125,507		258,459		38,817		56,653		—		479,436
Gross profit		21,738		59,619		10,467		3,614		—		95,438
Selling, general and administrative		12,297		39,051		5,761		5,689		4,970		67,768
Contingent consideration		—		69		—		—		—		69
Gain on sale of assets		—		(6)		(19)		(13,035)		—		(13,060)
Operating income (loss)		$	9,441	$	20,505	$	4,725	$	10,960	$	(4,970)	$	40,661
Other data:
	Depreciation and amortization expense	$	430	$	4,144	$	1,354	$	392	$	68	$	6,388
	Capital expenditures	$	642	$	708	$	639	$	723	$	—	$	2,712
	Total assets	$	203,500	$	395,243	$	163,201	$	79,548	$	55,324	$	896,816

7. STOCKHOLDERS’ EQUITY

Equity Incentive Plan

The Company’s 2006 Equity Incentive Plan, as amended and restated (the “Equity Incentive Plan”), provides for grants of stock options as well as grants of stock, including restricted stock. Approximately 3.0 million shares of common stock are authorized for issuance under the Equity Incentive Plan, of which approximately 547,804 shares were available for issuance at December 31, 2023.

Stock Repurchase Program

In December 2022, our Board authorized a stock repurchase program for the purchase from time to time of up to $40,000 of the Company’s common stock, replacing the Company's previous repurchase program. Share purchases are made for cash in open market transactions at prevailing market prices or in privately negotiated transactions or otherwise. The timing and amount of purchases under the program are determined based upon prevailing market conditions, our liquidity requirements, contractual restrictions and other factors. All or part of the repurchases may be implemented under a Rule 10b5-1 trading plan, which allows repurchases under predetermined terms at times when the Company might otherwise be prevented from purchasing under insider trading laws or because of self-imposed blackout periods. The program does not require the Company to purchase any specific number of shares and may be modified, suspended, reinstated, or terminated at any time at the Company’s discretion and without notice. We repurchased 219,731 shares of our common stock during the three months ended December 31, 2022 in open market transactions at an average price of

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$30.97 per share. We had no repurchases of common stock in open market transactions during the three months ended December 31, 2023.

Treasury Stock

During the three months ended December 31, 2023, we issued 32,180 shares of common stock from treasury stock to employees and repurchased 12,422 shares of common stock from our employees to satisfy statutory tax withholding requirements upon the vesting of certain performance phantom stock units under the Equity Incentive Plan.

During the three months ended December 31, 2022, we issued 71,013 shares of common stock from treasury stock to employees and repurchased 19,142 shares of common stock from our employees to satisfy statutory tax withholding requirements upon the vesting of certain performance phantom stock units under the Equity Incentive Plan. In addition, 187 restricted shares were forfeited and returned to treasury stock.

Director Phantom Stock Units

Director phantom stock units (“Director PSUs”) are granted to the members of the Board of Directors as part of their overall compensation. The Director PSUs are contractual rights to receive one share of the Company's common stock and are paid via unrestricted stock grants to each director upon their departure from the Board of Directors, or upon a change in control. We record compensation expense for the full value of the grant on the date of grant.

Employee Phantom Stock Units

An employee phantom stock unit (an “Employee PSU”) is a contractual right to receive one share of the Company’s common stock. Depending on the terms of each grant, Employee PSUs may vest upon the achievement of certain specified performance objectives and continued performance of services, or may vest based on continued performance of services through the vesting date.

As of December 31, 2023, the Company had outstanding Employee PSUs, which, subject to the achievement of certain performance metrics, could result in the issuance of 376,533 shares of common stock. During the three months ended December 31, 2023, we granted 85,424 Employee PSUs, 2,535 were forfeited, and 32,180 vested.

A summary of the compensation expense related to our stock awards recognized during the three months ended December 31, 2023 and 2022 is provided in the table below:

	Three Months Ended December 31,
	2023		2022
Restricted stock awards	$	—	$	25
Director PSUs	$	97	$	97
Employee PSUs	$	1,316	$	783

8. FAIR VALUE MEASUREMENTS

Fair Value Measurement Accounting

Fair value is considered the price to sell an asset, or transfer a liability, between market participants on the measurement date. Fair value measurements assume that (1) the asset or liability is exchanged in an orderly manner, (2) the exchange is in the principal market for that asset or liability, and (3) the market participants are independent, knowledgeable, and able and willing to transact an exchange. Fair value accounting and reporting establishes a framework for measuring fair value by creating a hierarchy for observable independent market inputs and unobservable market assumptions and expands disclosures about fair value measurements. Judgment is required to interpret the market data used to develop fair value estimates. As such, the estimates presented herein are not necessarily indicative of the amounts that could be realized in a current exchange. The use of different market assumptions and/or estimation methods could have a material effect on the estimated fair value.

At December 31, 2023, financial assets and liabilities measured at fair value on a recurring basis were limited to our Executive Deferred Compensation Plan, under which certain employees are permitted to defer a portion of their base salary and/or bonus for a Plan Year (as defined in the plan), debt and equity investments classified as trading securities, and contingent consideration liabilities related to certain of our acquisitions.

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Financial assets (liabilities) measured at fair value on a recurring basis as of December 31, 2023 and September 30, 2023, are summarized in the following tables by the type of inputs applicable to the fair value measurements:

	December 31, 2023
			Total Fair Value		Quoted Prices (Level 1)		Significant Unobservable Inputs (Level 3)
Executive savings plan assets		$	851	$	851	$	—
Debt securities			4,501		4,501		—
Executive savings plan liabilities			(729)		(729)		—
Total		$	4,623	$	4,623	$	—

	September 30, 2023
			Total Fair Value		Quoted Prices (Level 1)		Significant Unobservable Inputs (Level 3)
Executive savings plan assets		$	783	$	783	$	—
Executive savings plan liabilities			(657)		(657)		—
Contingent consideration liability			(4,465)		—		(4,465)
Total		$	(4,339)	$	126	$	(4,465)

In fiscal year 2021, we entered into a contingent consideration arrangement related to the acquisition of Bayonet. The table below presents the change in fair value of this obligation, which used significant unobservable inputs (Level 3). This obligation was settled during the three months ended December 31, 2023, and we did not have any other assets or liabilities measured using significant unobservable inputs at December 31, 2023.

	Contingent Consideration Agreements
Fair value at September 30, 2023	$	(4,465)
Net adjustments to fair value	(35)
Settlements	4,500
Fair value at December 31, 2023	$	—

9. INVENTORY

Inventories consist of the following components:

	December 31,		September 30,
	2023		2023
Raw materials	$	14,348	$	14,334
Work in process		12,895		12,939
Finished goods		5,689		3,399
Parts and supplies		80,842		64,983
Total inventories	$	113,774	$	95,655

10. GOODWILL AND INTANGIBLE ASSETS

Goodwill

The following summarizes the carrying value of goodwill by segment at December 31, 2023, which did not change from September 30, 2023:

	Communications		Residential		Infrastructure Solutions		Commercial & Industrial		Total
Goodwill at December 31, 2023	$	2,816	$	51,370	$	38,209	$	—	$	92,395

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Intangible Assets

Intangible assets consist of the following:

	Estimated Useful Lives (in Years)			December 31, 2023
					Gross Carrying Amount		Accumulated Amortization		Net
Trademarks/trade names	5	-	20		$	14,621	$	(7,349)		$	7,272
Technical library	20				400		(206)			194
Customer relationships	6	-	15		91,426		(45,751)			45,675
Non-competition arrangements	5				40		(40)			—
Backlog and construction contracts	1				4,958		(4,958)			—
Total intangible assets					$	111,445	$	(58,304)		$	53,141

	Estimated Useful Lives (in Years)			September 30, 2023
					Gross Carrying Amount		Accumulated Amortization		Net
Trademarks/trade names	5	-	20		$	14,621	$	(6,973)		$	7,648
Technical library	20				400		(201)			199
Customer relationships	6	-	15		91,426		(43,065)			48,361
Non-competition arrangements	5				40		(40)			—
Backlog and construction contracts	1				4,958		(4,958)			—
Total intangible assets					$	111,445	$	(55,237)		$	56,208

11. COMMITMENTS AND CONTINGENCIES

Legal Matters

From time to time, we are a party to various claims, lawsuits and other legal proceedings that arise in the ordinary course of business. We maintain various insurance coverages to minimize financial risk associated with these proceedings. None of these proceedings, separately or in the aggregate, are expected to have a material adverse effect on our financial position, results of operations or cash flows. With respect to all such proceedings, we record reserves when it is probable that a liability has been incurred and the amount of loss can be reasonably estimated. We expense routine legal costs related to these proceedings as they are incurred.

In the course of performing work as a subcontractor, from time to time we may be involved in projects which are the subject of contractual disputes between the general contractor and project owner, or between us and the general contractor. In such cases, payment of amounts owed to us by the general contractor may be delayed as contractual disputes are resolved through mediation, arbitration, or litigation. Such disputes may cause us to incur legal fees and other expenses to enforce our contractual rights, and we may not prevail in recovering all amounts to which we believe we are contractually entitled.

Risk Management

We retain the risk for workers’ compensation, employer’s liability, automobile liability, construction defects, general liability and employee group health claims, as well as pollution coverage, resulting from uninsured deductibles per accident or occurrence which are generally subject to annual aggregate limits. Our general liability program provides coverage for bodily injury and property damage. In many cases, we insure third parties, including general contractors, as additional insured parties under our insurance policies. Losses are accrued based upon our known claims incurred and an estimate of claims incurred but not reported. As a result, many of our claims are effectively self-insured. Many claims against our insurance are in the form of litigation. At December 31, 2023 and September 30, 2023, we had $9,334 and $7,726, respectively, accrued for self-insurance liabilities. Because the reserves are based on judgment and estimates and involve variables that are inherently uncertain, such as the outcome of litigation and an assessment of insurance coverage, there can be no assurance that the ultimate liability will not be higher or lower than such estimates or that the timing of payments will not create liquidity issues for the Company.

Some of the underwriters of our casualty insurance program require us to post letters of credit as collateral. This is common in the insurance industry. To date, we have not had a situation where an underwriter has had reasonable cause to effect payment under a letter of credit. At December 31, 2023 and September 30, 2023, $5,606 and $4,166, respectively, of our outstanding letters of credit was utilized to collateralize our insurance program.

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Surety

As of December 31, 2023, the estimated cost to complete our bonded projects was approximately $136,569. We evaluate our bonding requirements on a regular basis, including the terms offered by our sureties. We believe the bonding capacity presently provided by our current sureties is adequate for our current operations and will be adequate for our operations for the foreseeable future.

Other Commitments and Contingencies

Some of our customers and vendors require us to post letters of credit, or provide intercompany guarantees, as a means of guaranteeing performance under our contracts and ensuring payment by us to subcontractors and vendors. If our customer has reasonable cause to effect payment under a letter of credit, we would be required to reimburse our creditor for the letter of credit.

From time to time, we may enter into firm purchase commitments for materials, such as copper or aluminum wire, which we expect to use in the ordinary course of business. These commitments are typically for terms of less than one year and require us to buy minimum quantities of materials at specific intervals at a fixed price over the term. As of December 31, 2023, we did not have any such firm commitments to purchase materials outstanding.

12. LEASES

We enter into various contractual arrangements for the right to use facilities, vehicles and equipment. The lease terms generally range from two to ten years for facilities and three to five years for vehicles and equipment. Our lease terms may include the exercise of renewal or termination options when it is reasonably certain these options will be exercised. Our lease agreements do not contain any material residual value guarantees or restrictive covenants.

Current operating and finance lease liabilities of $20,184 and $4,529, respectively, as of December 31, 2023, and 19,496 and 4,301, respectively, as of September 30, 2023, were included in “Accounts payable and accrued expenses” in the Condensed Consolidated Balance Sheets. Non-current finance lease liabilities and finance lease right-of-use assets were included in the “Other non-current liabilities” and “Other non-current assets”, respectively, in the Condensed Consolidated Balance Sheets.

The maturities of our lease liabilities as of December 31, 2023 are as follows:

	Operating Leases		Finance Leases		Total
Remainder of 2024	$	15,977	$	3,523	$	19,500
2025	17,902		4,468		22,370
2026	14,288		3,602		17,890
2027	10,202		1,799		12,001
2028	5,864		196		6,060
Thereafter	6,231		3		6,234
Total undiscounted lease payments	$	70,464	$	13,591	$	84,055
Less: imputed interest	7,943		1,299		9,242
Present value of lease liabilities	$	62,521	$	12,292	$	74,813

The total future undiscounted cash flows related to lease agreements committed to but not yet commenced as of December 31, 2023 is $2,880.

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Lease cost recognized in our Condensed Consolidated Statements of Comprehensive Income is summarized as follows:

	Three Months Ended
	December 31, 2023		December 31, 2022
Operating lease cost	$	5,696	$	4,926
Finance lease cost
Amortization of lease assets	1,008		675
Interest on lease liabilities	184		150
Finance lease cost	1,192		825
Short-term lease cost	421		589
Variable lease cost	998		413
Total lease cost	$	8,307	$	6,753

Other information about lease amounts recognized in our Condensed Consolidated Financial Statements is summarized as follows:

	Three Months Ended
	December 31, 2023		December 31, 2022
Operating cash flows used for operating leases	$	6,038	$	5,951
Operating cash flows used for finance leases	184		150
Right-of-use assets obtained in exchange for new operating lease liabilities	6,459		6,319
Right-of-use assets obtained in exchange for new finance lease liabilities	340		2,944

	December 31, 2023		September 30, 2023
Weighted-average remaining lease term - operating leases	4.3 years		4.5 years
Weighted-average remaining lease term - finance leases	3.2 years		3.4 years
Weighted-average discount rate - operating leases	5.2	%	5.1	%
Weighted-average discount rate - finance leases	6.2	%	6.0	%

13. BUSINESS COMBINATIONS AND DIVESTITURES

We completed no acquisitions during the three months ended December 31, 2023 or during the year ended September 30, 2023.

On October 7, 2022, we sold 100% of the membership interests of STR Mechanical, LLC and its subsidiary Technical Services II, LLC (collectively, “STR”). As a result, we recognized a pre-tax gain of $13,045, which was included in “Gain on sale of assets” within our Condensed Consolidated Statements of Comprehensive Income for the three months ended December 31, 2022.

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Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

The following discussion and analysis should be read in conjunction with our Consolidated Financial Statements and the notes thereto, set forth in Part II, Item 8. “Financial Statements and Supplementary Data” as set forth in our Annual Report on Form 10-K for the fiscal year ended September 30, 2023, and the Condensed Consolidated Financial Statements and notes thereto included in Part I, Item 1 of this Quarterly Report on Form 10-Q. The following discussion may contain forward looking statements. For additional information, see “Disclosure Regarding Forward Looking Statements” in Part I of this Quarterly Report on Form 10-Q.

OVERVIEW

Executive Overview

Please refer to Part I, Item 1. “Business” of our Annual Report on Form 10-K for the fiscal year ended September 30, 2023, for a discussion of the Company’s services and corporate strategy. IES Holdings, Inc., a Delaware corporation, designs and installs integrated electrical and technology systems and provides infrastructure products and services to a variety of end markets, including data centers, residential housing, and commercial and industrial facilities. Our operations are organized into four business segments: Communications, Residential, Infrastructure Solutions and Commercial & Industrial.

Current Market and Operating Conditions

Increases in the target federal funds rate throughout calendar years 2022 and 2023 have resulted in higher mortgage rates, which when combined with elevated materials and labor costs, have had a substantial impact on the affordability of housing. While there continue to be several trends, such as rising household formation and population growth in our key markets, that we expect will drive long-term demand for our services in the single-family housing market, decreased housing affordability has led to uncertainty around near-term demand for our services in this market. Within the various other end markets we serve, our customers' capital budgets for new construction projects may be impacted by broader economic, technological or other factors.

The COVID-19 pandemic and its impact on markets, the supply chain and the labor force continue to be areas of focus for our business as we work to protect our workforce and serve our customers. While the pandemic has had less of an impact on our business in the first quarter of fiscal 2024 compared with prior fiscal years, this or any future pandemic or other public health emergency could impact our workforce, customers and suppliers. An inability to procure materials in a timely manner, to complete work on schedule, and to reflect higher materials or labor costs in our pricing to customers has had, and could have in the future, a significant impact on our operating results.

Please refer to Part I. Item 1A. “Risk Factors” of our Annual Report on Form 10-K for the fiscal year ended September 30, 2023 for further information.

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RESULTS OF OPERATIONS

We report our operating results across our four operating segments: Communications, Residential, Infrastructure Solutions, and Commercial & Industrial. Expenses associated with our corporate office are classified separately. The following table presents selected historical results of operations of IES Holdings, Inc., including the results of acquired businesses from the dates acquired.

		Three Months Ended December 31,
		2023				2022
		$		%		$		%
		(Dollars in thousands, Percentage of revenues)
Revenues		$	634,444	100.0	%	$	574,874	100.0	%
	Cost of services	490,640		77.3		479,436		83.4
Gross profit		143,804		22.7		95,438		16.6
	Selling, general and administrative expenses	85,850		13.5		67,768		11.8
	Contingent consideration	35		—		69		—
	Gain on sale of assets	(71)		—		(13,060)		(2.3)
Operating income		57,990		9.1		40,661		7.1
	Interest and other income (expense), net	(996)		(0.2)		1,879		0.3
Income from operations before income taxes		58,986		9.3		38,782		6.7
	Provision for income taxes	15,398		2.4		10,028		1.7
Net income		43,588		6.9		28,754		5.0
	Net income attributable to noncontrolling interest	(2,632)		(0.4)		(2,352)		(0.4)
Net income attributable to IES Holdings, Inc.		$	40,956	6.5	%	$	26,402	4.6	%

Consolidated revenues for the three months ended December 31, 2023, were $59.6 million higher than for the three months ended December 31, 2022, an increase of 10.4%, with increases at our Communications, Infrastructure Solutions and Commercial & Industrial operating segments, slightly offset by a decrease at our Residential segment. See further discussion below of changes in revenues for our individual segments.

Consolidated gross profit for the three months ended December 31, 2023 increased $48.4 million compared to the three months ended December 31, 2022. Our overall gross profit percentage was 22.7% during the three months ended December 31, 2023, as compared to 16.6% during the three months ended December 31, 2022. Gross profit as a percentage of revenue increased at all four of our operating segments. See further discussion below of changes in gross margin for our individual segments.

Selling, general and administrative expenses include costs not directly associated with performing work for our customers. These costs consist primarily of compensation and benefits related to corporate, segment and branch management (including incentive-based compensation), occupancy and utilities, training, professional services, information technology costs, consulting fees, travel and certain types of depreciation and amortization. We allocate certain corporate selling, general and administrative costs across our segments as we believe this more accurately reflects the costs associated with operating each segment.

During the three months ended December 31, 2023, our selling, general and administrative expenses were $85.9 million, an increase of $18.1 million, or 26.7%, over the three months ended December 31, 2022, driven largely by increased personnel costs at our Residential operating segment in connection with a reorganization of the segment's management structure in fiscal 2023 and higher incentive compensation at the division level as a result of higher earnings. Selling, general and administrative expenses as a percentage of revenue increased from 11.8% for the three months ended December 31, 2022 to 13.5% for the three months ended December 31, 2023.

Gain on Sale of Assets. Our results for the three months ended December 31, 2022 included a pretax gain on sale of $13.0 million from the sale of STR Mechanical, LLC (“STR”) on October 7, 2022. STR previously operated as part of our Commercial & Industrial segment.

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Communications

	Three Months Ended December 31,
	2023				2022
	$		%		$		%
	(Dollars in thousands, Percentage of revenues)
Revenues	$	170,748	100.0	%	$	147,245	100.0	%
Cost of services		134,473	78.8			125,507	85.2
Gross profit		36,275	21.2			21,738	14.8
Selling, general and administrative expenses		14,901	8.7			12,297	8.4
Gain on sale of assets		(4)	—			—	—
Operating income	$	21,378	12.5	%	$	9,441	6.4	%

Revenues. Our Communications segment’s revenues increased by $23.5 million during the three months ended December 31, 2023, or 16.0%, compared to the three months ended December 31, 2022. The increase primarily resulted from an increase in demand from high-tech manufacturing and e-commerce distribution center customers.

Gross Profit. Our Communications segment’s gross profit during the three months ended December 31, 2023 increased by $14.5 million compared to the three months ended December 31, 2022. Gross profit as a percentage of revenue increased from 14.8% to 21.2%. The increase in profitability in the three months ended December 31, 2023 was primarily the result of improved project execution and pricing during the period, as well as the impact of investments we have made in hiring and training personnel to support the growth of our business.

Selling, General and Administrative Expenses. Our Communications segment’s selling, general and administrative expenses increased by $2.6 million, or 21.2%, during the three months ended December 31, 2023, compared to the three months ended December 31, 2022. The increase is primarily a result of higher personnel cost including higher incentive compensation as a result of higher earnings, investment in an organizational structure that will enhance the scalability of our business, and higher wages in an increasingly competitive labor market. Selling, general and administrative expenses as a percentage of revenue in the Communications segment were 8.7% during the three months ended December 31, 2023, compared to 8.4% for the three months ended December 31, 2022.

Residential

	Three Months Ended December 31,
	2023				2022
	$		%		$		%
	(Dollars in thousands, Percentage of revenues)
Revenues	$	315,856	100.0	%	$	318,078	100.0	%
Cost of services	240,425		76.1		258,459		81.3
Gross profit	75,431		23.9		59,619		18.7
Selling, general and administrative expenses	51,378		16.3		39,051		12.3
Contingent consideration	35		—		69		—
Gain on sale of assets	(82)		—		(6)		—
Operating income	$	24,100	7.6	%	$	20,505	6.4	%

Revenues. Our Residential segment’s revenues decreased by $2.2 million, or 0.7%, during the three months ended December 31, 2023 compared to the three months ended December 31, 2022. Our multi-family revenue decreased as we have become more selective in our bidding process, and have reduced our activity in certain areas where we experienced project execution challenges in the prior year, resulting in a $5.1 million decrease in revenues compared to the prior year period. This was partially offset by expansion into new markets and continued strong demand in our single-family business, where revenues increased by $2.9 million compared to the prior year period.

Gross Profit. During the three months ended December 31, 2023, our Residential segment's gross profit increased by $15.8 million, or 26.5%, compared to the three months ended December 31, 2022. Gross profit as a percentage of revenue increased to 23.9% during the three months ended December 31, 2023, from 18.7% for the three months ended December 31, 2022. The increase in profitability was driven primarily by improved project execution in our multi-family business, as well as the benefit of improved procurement and other processes implemented as part of the reorganization of the segment in fiscal 2023.

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Selling, General and Administrative Expenses. Our Residential segment's selling, general and administrative expenses increased by $12.3 million, or 31.6%, during the three months ended December 31, 2023, compared to the three months ended December 31, 2022. The increase was driven by higher personnel costs in connection with a reorganization of the segment's management structure in fiscal 2023 and incentive profit sharing for division management. Selling, general and administrative expenses as a percentage of revenue in the Residential segment increased to 16.3% during the three months ended December 31, 2023, compared to 12.3% in the three months ended December 31, 2022.

Infrastructure Solutions

	Three Months Ended December 31,
	2023				2022
	$		%		$		%
	(Dollars in thousands, Percentage of revenues)
Revenues	$	62,888	100.0	%	$	49,284	100.0	%
Cost of services		44,697	71.1			38,817	78.8
Gross profit		18,191	28.9			10,467	21.2
Selling, general and administrative expenses		7,285	11.6			5,761	11.7
Gain on sale of assets		—	—			(19)	—
Operating income	$	10,906	17.3	%	$	4,725	9.6	%

Revenues. Revenues in our Infrastructure Solutions segment increased $13.6 million during the three months ended December 31, 2023, an increase of 27.6% compared to the three months ended December 31, 2022, driven primarily by continued strong demand in our custom power solutions manufacturing businesses.

Gross Profit. Our Infrastructure Solutions segment’s gross profit during the three months ended December 31, 2023 increased $7.7 million as compared to the three months ended December 31, 2022, primarily resulting from operational improvements within our manufacturing facilities during the quarter, as well as improved pricing. Gross profit as a percentage of revenue increased from 21.2% to 28.9%.

Selling, General and Administrative Expenses. Our Infrastructure Solutions segment’s selling, general and administrative expenses during the three months ended December 31, 2023 increased $1.5 million when compared to the three months ended December 31, 2022, primarily as a result of increased employee compensation cost. Selling, general and administrative expenses as a percentage of revenue was 11.6% at December 31, 2023 compared to 11.7% at December 31, 2022.

Commercial & Industrial

	Three Months Ended December 31,
	2023				2022
	$		%		$		%
	(Dollars in thousands, Percentage of revenues)
Revenues	$	84,952	100.0	%	$	60,267	100.0	%
Cost of services		71,045	83.6			56,653	94.0
Gross profit		13,907	16.4			3,614	6.0
Selling, general and administrative expenses		6,847	8.1			5,689	9.4
Gain on sale of assets		15	—			(13,035)	(21.6)
Operating income	$	7,045	8.3	%	$	10,960	18.2	%

Revenues. Revenues in our Commercial & Industrial segment increased $24.7 million, or 41.0%, during the three months ended December 31, 2023, compared to the three months ended December 31, 2022. The increase primarily relates to a large data center project.

Gross Profit. Our Commercial & Industrial segment’s gross profit during the three months ended December 31, 2023, increased by $10.3 million, as compared to the three months ended December 31, 2022. Gross profit as a percentage of revenue increased from 6.0% for the quarter ended December 31, 2022 to 16.4% for the quarter ended December 31, 2023. Our results for the quarter ended December 31, 2022 were impacted by continuing operating challenges at one branch that incurred significant losses during fiscal 2022 and into fiscal 2023. In the three months ended December 31, 2023, segment results benefited from improved project execution, improving bid margins in certain markets, and a more selective bidding strategy implemented in the prior year.

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Selling, General and Administrative Expenses. Our Commercial & Industrial segment’s selling, general and administrative expenses during the three months ended December 31, 2023 increased $1.2 million, or 20.4%, compared to the three months ended December 31, 2022. Selling, general and administrative expenses as a percentage of revenue decreased from 9.4% to 8.1% for the three months ended December 31, 2023 compared to the three months ended December 31, 2022 as we benefited from the scale of our operations.

Gain on Sale of Assets. As discussed above, our results for the three months ended December 31, 2022 included a pretax gain on sale of $13.0 million from the sale of STR in October 2022.

INTEREST AND OTHER EXPENSE, NET

	Three Months Ended December 31,
	2023		2022
	(In thousands)
Interest expense	$	327	$	1,119
Deferred financing charges		70		65
Total interest expense		397		1,184
Interest income		(1,176)		—
Other (income) expense, net		(217)		695
Total other (income) expense, net		(1,393)		695
Total interest and other (income) expense, net	$	(996)	$	1,879

During the three months ended December 31, 2023, we incurred interest expense of $0.4 million primarily comprised of interest on our finance lease agreements and fees on an average letter of credit balance of $5.6 million under our revolving credit facility and an average unused line of credit balance of $142.4 million. This compares to interest expense of $1.2 million for the three months ended December 31, 2022, primarily comprising interest expense from our revolving credit facility, which had an average outstanding balance of $43.0 million, in addition to fees on an average letter of credit balance of $5.4 million under our revolving credit facility and an average unused line of credit balance of $80.7 million. The reduction in interest expense in the three months ended December 31, 2023 compared to the three months ended December 31, 2022 was a result of a decrease in average outstanding borrowings under our revolving credit facility, which had no outstanding balance during the three months ended December 31, 2023.

The improvement in Total other (income) expense, net for the three months ended December 31, 2023 as compared with December 31, 2022 is primarily the result of interest income earned during the three months ended December 31, 2023 on short-term investments made in late fiscal 2023 with no such interest income in the three months ended December 31, 2022, and unrealized gains on investments in trading securities of $0.1 million in the three months ended December 31, 2023, compared to no interest income and unrealized losses of $0.8 million in the three months ended December 31, 2022.

PROVISION FOR INCOME TAXES

We recorded income tax expense of $15.4 million for the three months ended December 31, 2023, compared to $10.0 million for the three months ended December 31, 2022, driven by increased pretax income.

CRITICAL ACCOUNTING POLICIES AND ESTIMATES

Management’s discussion and analysis of financial condition and results of operations is based on our Condensed Consolidated Financial Statements included in this Quarterly Report on Form 10-Q, which have been prepared in accordance with U.S. generally accepted accounting principles ("GAAP"). The preparation of our Condensed Consolidated Financial Statements requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosures of contingent assets and liabilities known to exist as of the date of the Condensed Consolidated Financial Statements, and the reported amounts of revenues and expenses recognized during the periods presented. We review all significant estimates affecting our Condensed Consolidated Financial Statements on a recurring basis and record the effect of any necessary adjustments prior to their publication. Judgments and estimates are based on our beliefs and assumptions derived from information available at the time such judgments and estimates are made. Uncertainties with respect to such estimates and assumptions are inherent in the preparation of financial statements. There can be no assurance that actual results will not differ from those estimates. For a discussion of our significant accounting policies, please see our Annual Report on Form 10-K for the fiscal year ended September 30, 2023. Some of the more significant estimates include revenue recognition, business combinations, valuation allowance for deferred tax assets and income taxes.

There have been no significant changes to our accounting policies as disclosed in our Annual Report on Form 10-K for the fiscal year ended September 30, 2023.

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REMAINING PERFORMANCE OBLIGATIONS AND BACKLOG

Remaining performance obligations represent the unrecognized revenue value of our contractual commitments. While backlog is not a defined term under GAAP, it is a common measurement used in our industry, and we believe it improves our ability to forecast future results and identify operating trends that may not otherwise be apparent. Backlog is a measure of revenue that we expect to recognize from work that has yet to be performed on uncompleted contracts and from work that has been contracted but has not started, exclusive of short-term projects. While all of our backlog is supported by documentation from customers, backlog is not a guarantee of future revenues, as contractual commitments may change and our performance may vary. Not all of our work is performed under contracts included in backlog; for example, most of the apparatus repair work that is completed by our Infrastructure Solutions segment is performed under master service agreements on an as-needed basis. Additionally, electrical installation services for single-family housing at our Residential segment are completed on a short-term basis and are therefore excluded from backlog. The table below summarizes our remaining performance obligations and backlog (in thousands):

	December 31,		September 30,		June 30,		March 31,
	2023		2023		2023		2023
Remaining performance obligations	$	1,072,593	$	1,143,423	$	1,071,605	$	1,012,111
Agreements without an enforceable obligation (1)		379,463		414,589		458,057		376,948
Backlog	$	1,452,056	$	1,558,012	$	1,529,662	$	1,389,059
(1) Our backlog contains signed agreements and letters of intent, which we do not have a legal right to enforce prior to work starting. These arrangements are excluded from remaining performance obligations until work begins.

WORKING CAPITAL

During the three months ended December 31, 2023, working capital exclusive of cash increased by $23.3 million from September 30, 2023, reflecting a $44.6 million increase in current assets excluding cash partially offset by a $21.3 million increase in current liabilities during the period.

During the three months ended December 31, 2023, our current assets exclusive of cash increased to $640.1 million, as compared to $595.5 million as of September 30, 2023. An increase in activity at our Communications, Infrastructure Solutions and Commercial & Industrial businesses drove a $24.7 million increase in trade accounts receivable. While the rate of collections may vary, our typically secured position, resulting from our ability in general to secure liens against our customers’ overdue receivables, offers some protection that collection will occur eventually to the extent that our security retains value. We also had an $18.1 million increase in inventories from advance material purchases primarily for projects not yet commenced in our Residential multi-family business.

During the three months ended December 31, 2023, our total current liabilities increased by $21.3 million to $421.9 million, compared to $400.6 million as of September 30, 2023, driven by a $23.2 million increase in billings in excess of costs and estimated earnings driven by the timing of contract billings on projects on which revenue is recognized using the percentage of completion method, partially offset by a $1.9 million decrease in accounts payable and accrued expenses primarily as a result of the timing of payments by our Communications segment.

Surety

We believe the bonding capacity provided by our sureties is adequate for our current operations and will be adequate for our operations for the foreseeable future. As of December 31, 2023, the estimated cost to complete our bonded projects was approximately $136.6 million.

LIQUIDITY AND CAPITAL RESOURCES

The Revolving Credit Facility

We are a party to the Third Amended and Restated Credit and Security Agreement (the "Amended Credit Agreement"), which provides for a maximum borrowing amount of $150 million. The Amended Credit Agreement contains customary affirmative, negative and financial covenants and events of default.

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Borrowings under the Amended Credit Agreement may not exceed a Borrowing Base, as defined in the Amended Credit Agreement, that is determined monthly based on available collateral, primarily certain accounts receivables, inventories, and equipment. Amounts outstanding bear interest at a per annum rate equal to the Daily Three Month Secured Overnight Financing Rate ("SOFR"), plus an interest rate margin, which is determined quarterly, based on the following thresholds:

Level	Thresholds	Interest Rate Margin
I	If Liquidity is less than 35% of the Maximum Revolver Amount (each as defined in the Amended Credit Agreement) at any time during the period	2.00 percentage points
II	If Liquidity is greater than or equal to 35% of the Maximum Revolver Amount at all times during the period and less than 50% of the Maximum Revolver Amount at any time during the period	1.75 percentage points
III	If Liquidity is greater than or equal to 50% of the Maximum Revolver Amount at all times during the period	1.50 percentage points

In addition, we are charged monthly in arrears for (1) an unused commitment fee of 0.25% per annum, (2) a collateral monitoring fee of $5 thousand per quarter, (3) a letter of credit fee based on the then-applicable interest rate margin (4) appraisal fees, costs and expenses and (5) certain other fees and charges as specified in the Amended Credit Agreement.

As of December 31, 2023, we were in compliance with the financial covenants under the Amended Credit Agreement, requiring that we maintain:

•a Fixed Charge Coverage Ratio (as defined in the Amended Credit Agreement), measured quarterly on a trailing four-quarter basis at the end of each quarter, of at least 1.1 to 1.0; and

•minimum Liquidity of at least 10% of the Maximum Revolver Amount, or $15.0 million; with, for purposes of this covenant, at least 50% of our Liquidity comprised of Excess Availability (as defined in the Amended Credit Agreement).

At December 31, 2023, our Liquidity was $229.9 million, our Excess Availability was $142.5 million (or greater than 50% of minimum Liquidity), and our Fixed Charge Coverage Ratio was 9.8:1.0.

If in the future our Liquidity falls below $15.0 million (or Excess Availability falls below 50% of our minimum Liquidity), our Fixed Charge Coverage Ratio is less than 1.1:1.0, or if we otherwise fail to perform or otherwise comply with certain of our covenants or other agreements under the Amended Credit Agreement, it would result in an event of default under the Amended Credit Agreement, which could result in some or all of our then-outstanding indebtedness becoming immediately due and payable.

At December 31, 2023, we had $5.6 million in outstanding letters of credit and no outstanding borrowings under our revolving credit facility.

Operating Activities

Our cash flow from operations is not only influenced by cyclicality, demand for our services, operating margins and the type of services we provide, but can also be influenced by working capital needs such as the timing of our receivable collections. Working capital needs are generally lower during our fiscal first and second quarters due to the seasonality that we experience in many regions of the country; however, a seasonal decline in working capital may be offset by needs associated with higher growth or acquisitions. Currently, our working capital needs are higher than they have been historically, as a result of growth of our business, elevated commodity prices, and the steps taken to mitigate the impact of supply chain disruptions.

Net cash provided by operating activities was $25.0 million during the three months ended December 31, 2023, as compared to $14.3 million in the three months ended December 31, 2022. The increase in operating cash flow resulted from increased earnings, partially offset by an increase in cash used in working capital during the three months ended December 31, 2023 as compared with the three months ended December 31, 2022.

Investing Activities

Net cash used in investing activities was $6.0 million for the three months ended December 31, 2023, compared to $16.3 million provided by investing activities in the three months ended December 31, 2022. During the three months ended December 31, 2023, we used $6.5 million for capital expenditures to support the growth of our business. During the three months ended December 31, 2022, the sale of assets, including the sale of STR, provided cash of $19.2 million, which was partially offset by $2.7 million used for capital expenditures.

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Financing Activities

Net cash used in financing activities for the three months ended December 31, 2023 was $7.3 million, compared to $50.3 million for the three months ended December 31, 2022. Net cash used in financing activities for the three months ended December 31, 2023 included $4.1 million to settle our contingent consideration liability related to prior year acquisitions and $1.3 million in distributions to noncontrolling interests under operating agreements in connection with certain acquisitions. Net cash used in financing activities for the three months ended December 31, 2022 included net repayments on our credit facility of $39.7 million, $7.5 million used to repurchase our common stock, including repurchases to satisfy statutory withholding requirements upon the vesting of employee stock compensation, and distributions of $2.3 million to noncontrolling interests under operating agreements in connection with certain acquisitions.

Stock Repurchase Program

In December 2022, our Board authorized a stock repurchase program for the purchase from time to time of up to $40.0 million of the Company’s common stock, replacing the Company's previous repurchase program. Share purchases are made for cash in open market transactions at prevailing market prices or in privately negotiated transactions or otherwise. The timing and amount of purchases under the program are determined based upon prevailing market conditions, our liquidity requirements, contractual restrictions and other factors. All or part of the repurchases may be implemented under a Rule 10b5-1 trading plan, which allows repurchases under pre-set terms at times when the Company might otherwise be prevented from purchasing under insider trading laws or because of self-imposed blackout periods. The program does not require the Company to purchase any specific number of shares and may be modified, suspended, reinstated, or terminated at any time at the Company’s discretion and without notice. We had no purchases pursuant to our repurchase programs during the three months ended December 31, 2023.

MATERIAL CASH REQUIREMENTS

From time to time, we may enter into firm purchase commitments for materials, such as copper or aluminum wire, which we expect to use in the ordinary course of business. These commitments are typically for terms of less than one year and require us to buy minimum quantities of materials at specific intervals at a fixed price over the term. As of December 31, 2023, we did not have any such firm commitments to purchase materials outstanding. There have been no other material changes in our material cash requirements from those disclosed in our Annual Report on Form 10-K for the fiscal year ended September 30, 2023. We expect that cash and cash equivalents, cash flow from operations and availability under our revolving credit facility will be sufficient to satisfy cash requirements during at least the next 12 months.

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Item 3. Quantitative and Qualitative Disclosures About Market Risk

Management is actively involved in monitoring exposure to market risk and continues to develop and utilize appropriate risk management techniques. Our exposure to significant market risks includes fluctuations in labor costs and commodity prices. We are also exposed to interest rate risk with respect to our outstanding borrowings under our revolving credit facility. For additional information see “Disclosure Regarding Forward-Looking Statements” in Part I of this Quarterly Report on Form 10-Q and our risk factors in Part I, Item 1A. “Risk Factors” in our Annual Report on Form 10-K for the fiscal year ended September 30, 2023.

Commodity Risk

Our exposure to significant market risks includes fluctuations in commodity prices for copper, aluminum, steel, electronic components, certain plastics, and fuel. Commodity price risks may have an impact on our results of operations due to the fixed-price nature of many of our contracts. Over the long term, we expect to be able to pass along a portion of these costs to our customers, as market conditions in the industries we serve will allow.

Interest Rate Risk

Floating rate debt, where the interest rate fluctuates periodically, exposes us to short-term changes in market interest rates. Any long-term debt that may be outstanding from time to time under our revolving credit facility is structured on floating rate terms. We currently do not maintain any hedging contracts that would limit our exposure to variable rates of interest when we have outstanding borrowings under our revolving credit facility. The Amended Credit Agreement uses SOFR as the benchmark for establishing the interest rate charged on our borrowings. If SOFR were to increase, our interest payment obligations on any then-outstanding borrowings would increase, having a negative effect on our cash flow and financial condition. We had no borrowings outstanding under our revolving credit facility as of December 31, 2023.

Item 4. Controls and Procedures

Changes in Internal Control Over Financial Reporting

There have not been any changes in the Company’s internal control over financial reporting (as such term is defined in Rules 13a-15 and 15d-15 under the Securities Exchange Act of 1934, as amended (the “Exchange Act”)) during the fiscal quarter to which this report relates that have materially affected, or are reasonably likely to materially affect, the Company’s internal control over financial reporting.

Disclosure Controls and Procedures

In accordance with Rules 13a-15 and 15d-15 of the Exchange Act, we carried out an evaluation, under the supervision and with the participation of management, including our Chief Executive Officer and our Chief Financial Officer, of the effectiveness of our disclosure controls and procedures as of the end of the period covered by this report. Based on that evaluation, our Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures were effective as of December 31, 2023, to provide reasonable assurance that information required to be disclosed in our reports filed or submitted under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the Securities and Exchange Commission’s rules and forms. Our disclosure controls and procedures include controls and procedures designed to ensure that information required to be disclosed in reports filed or submitted under the Exchange Act is accumulated and communicated to our management, including our Chief Executive Officer and Chief Financial Officer, as appropriate, to allow timely decisions regarding required disclosure.

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PART II. OTHER INFORMATION

Item 1. Legal Proceedings

For information regarding legal proceedings, see Note 11, “Commitments and Contingencies – Legal Matters” in the Notes to our Condensed Consolidated Financial Statements set forth in Part I, Item 1 of this Quarterly Report on Form 10-Q, which is incorporated herein by reference.

Item 1A. Risk Factors

There have been no material changes to the risk factors disclosed under Part I, Item 1A. “Risk Factors” in our Annual Report on Form 10-K for the fiscal year ended September 30, 2023.

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds

Date	Total Number of Shares Purchased (1)	Average Price Paid Per Share		Total Number of Shares Purchased as Part of a Publicly Announced Plan	Maximum Dollar Value of Shares That May Yet Be Purchased Under the Publicly Announced Plan (2)
October 1, 2023 – October 31, 2023	—	$	—	—	$	37,588,964
November 1, 2023 – November 30, 2023	—	$	—	—	$	37,588,964
December 1, 2023 – December 31, 2023	12,422	$	74.70	—	$	37,588,964
Total	12,422	$	74.70	—	$	37,588,964

(1)    The total number of shares purchased includes shares purchased pursuant to the program described in footnote (2) below and shares of common stock repurchased from our employees to satisfy statutory tax withholding requirements upon the vesting of certain stock awards under the Equity Incentive Plan.

(2)    In December 2022, our Board authorized a stock repurchase program for the purchase of up to $40 million of the Company’s common stock from time to time.

Item 3. Defaults Upon Senior Securities

None.

Item 4. Mine Safety Disclosures

None.

Item 5. Other Information

Rule 10b5-1 Trading Arrangements

From time to time, members of the Company's Board of Directors and officers of the Company may enter into Rule 10b5-1 trading plans, which allow for the purchase or sale of common stock under pre-established terms at times when directors and officers might otherwise be prevented from trading under insider trading laws or because of self-imposed blackout periods. Such trading plans are intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Exchange Act and comply with the Company's Insider Trading Policy. During the three months ended December 31, 2023, none of the Company's directors or officers adopted, modified or terminated a “Rule 10b5-1 trading arrangement” or a “non-Rule 10b5-1 trading arrangement” as each term is defined under Item 408 of Regulation S-K.

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Item 6. Exhibits

Exhibit No.	Description
3.1 —	Second Amended and Restated Certificate of Incorporation of IES Holdings, Inc., as amended by the Certificate of Amendment thereto, effective May 24, 2016 (composite). (Incorporated by reference to Exhibit 3.1 to the Company’s Quarterly Report on Form 10-Q filed on August 8, 2016).
3.2 —	Amended and Restated Bylaws of IES Holdings, Inc., effective April 28, 2021. (Incorporated by reference to Exhibit 3.3 to the Company's Quarterly Report on Form 10-Q filed on April 30, 2021).
4.1 —	Specimen common stock certificate. (Incorporated by reference to Exhibit 4.1 to the Company’s Annual Report on Form 10-K filed on December 9, 2016).
10.1 —	Form of Time-Based Phantom Stock Unit Award Agreement under the Company's Amended and Restated 2006 Equity Incentive Plan, as amended and restated effective February 9, 2016. (Incorporated by reference to Exhibit 10.1 to the Company's Current Report on Form 8-K filed on December 7, 2023).
31.1 —	Rule 13a-14(a)/15d-14(a) Certification of Jeffrey L. Gendell, Chief Executive Officer (1)
31.2 —	Rule 13a-14(a)/15d-14(a) Certification of Tracy A. McLauchlin, Senior Vice President, Chief Financial Officer and Treasurer (1)
32.1 —	Section 1350 Certification of Jeffrey L. Gendell, Chief Executive Officer (2)
32.2 —	Section 1350 Certification of Tracy A. McLauchlin, Senior Vice President, Chief Financial Officer and Treasurer (2)
101.INS	Inline XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document (1)
101.SCH	XBRL Schema Document (1)
101.LAB	XBRL Label Linkbase Document (1)
101.PRE	XBRL Presentation Linkbase Document (1)
101.DEF	XBRL Definition Linkbase Document (1)
101.CAL	XBRL Calculation Linkbase Document (1)
104	Cover Page Interactive Data File - the cover page interactive data file does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document
(1)	Filed herewith.
(2)	Furnished herewith.

31

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized, on February 2, 2024.

IES HOLDINGS, INC.
By:	/s/ TRACY A. MCLAUCHLIN
	Tracy A. McLauchlin
	Senior Vice President, Chief Financial Officer and Treasurer
	(Principal Financial Officer and Authorized Signatory)

32

EX-31.1

Exhibit 31.1

CERTIFICATION

I, Jeffrey L. Gendell, certify that:

     1. I have reviewed this Quarterly Report on Form 10-Q of IES Holdings, Inc.;

     2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

     3. Based on my knowledge, the financial statements and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the Registrant as of, and for, the periods presented in this report;

     4. The Registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the Registrant and have:

     (a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the Registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

     (b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

     (c) Evaluated the effectiveness of the Registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

     (d) Disclosed in this report any change in the Registrant’s internal control over financial reporting that occurred during the Registrant’s most recent fiscal quarter (the Registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the Registrant’s internal control over financial reporting; and

     5. The Registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the Registrant’s auditors and the audit committee of the Registrant’s board of directors (or persons performing the equivalent functions):

     (a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the Registrant’s ability to record, process, summarize and report financial information; and

     (b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the Registrant’s internal control over financial reporting.

Date: February 2, 2024

/s/  JEFFREY L. GENDELL

Jeffrey L. Gendell

Chief Executive Officer as Principal Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATION

I, Tracy A. McLauchlin, certify that:

     1. I have reviewed this Quarterly Report on Form 10-Q of IES Holdings, Inc.;

     2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

     3. Based on my knowledge, the financial statements and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the Registrant as of, and for, the periods presented in this report;

     4. The Registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the Registrant and have:

     (a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the Registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

     (b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

     (c) Evaluated the effectiveness of the Registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

     (d) Disclosed in this report any change in the Registrant’s internal control over financial reporting that occurred during the Registrant’s most recent fiscal quarter (the Registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the Registrant’s internal control over financial reporting; and

     5. The Registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the Registrant’s auditors and the audit committee of the Registrant’s board of directors (or persons performing the equivalent functions):

     (a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the Registrant’s ability to record, process, summarize and report financial information; and

     (b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the Registrant’s internal control over financial reporting.

Date: February 2, 2024

/s/  TRACY A. MCLAUCHLIN

Tracy A. McLauchlin

Senior Vice President, Chief Financial Officer and Treasurer

as Principal Financial Officer

EX-32.1

Exhibit 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with this Quarterly Report of IES Holdings, Inc. (the “Company”) on Form 10-Q for the period ending December 31, 2023 (the “Report”), I, Jeffrey L. Gendell, Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:

(1)The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2)The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: February 2, 2024	By:	/s/ JEFFREY L. GENDELL
		Jeffrey L. Gendell
		Chief Executive Officer as Principal Executive Officer

EX-32.2

Exhibit 32.2

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with this Quarterly Report of IES Holdings, Inc. (the “Company”) on Form 10-Q for the period ending December 31, 2023 (the “Report”), I, Tracy A. McLauchlin, Senior Vice President, Chief Financial Officer and Treasurer of the Company, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:

(1)The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2)The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: February 2, 2024	By:	/s/ TRACY A. MCLAUCHLIN
		Tracy A. McLauchlin
		Senior Vice President, Chief Financial Officer and Treasurer as Principal Financial Officer

XML

DEI Document - shares	3 Months Ended
	Dec. 31, 2023	Jan. 31, 2024
Entity Information [Line Items]
Entity File Number	001-13783
Entity Registrant Name	IES Holdings, Inc.
Document Period End Date	Dec. 31, 2023
Document Quarterly Report	true
Document Transition Report	false
Entity Central Index Key	0001048268
Entity Incorporation, State or Country Code	DE
Document Type	10-Q
Amendment Flag	false
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q1
Current Fiscal Year End Date	--09-30
Entity Filer Category	Accelerated Filer
Entity Tax Identification Number	76-0542208
Title of 12(b) Security	Common Stock, par value $0.01 per share
Trading Symbol	IESC
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Shell Company	false
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Address, Address Line One	2 Riverway
Entity Address, Address Line Two	Suite 1730
Entity Address, City or Town	Houston
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	77056
City Area Code	713
Local Phone Number	860-1500
Entity Common Stock, Shares Outstanding		20,221,466

XML

Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2023	Sep. 30, 2023
Statement of Financial Position [Abstract]
Cash and cash equivalents	$ 87,456	$ 75,770
Accounts receivable	388,556	363,836
Accounts and Other Receivables, Net, Current	80,781	76,934
Inventories	113,774	95,655
Costs and estimated earnings in excess of billings	40,646	48,620
Prepaid expenses and other current assets	16,378	10,481
Total current assets	727,591	671,296
Property and equipment, net	65,423	63,410
Goodwill	92,395	92,395
Intangible assets, net	53,141	56,208
Deferred tax assets	20,280	20,383
Operating right of use assets	62,560	61,761
Other non-current assets	20,629	16,147
Total assets	1,042,019	981,600
Accounts payable and accrued expenses	294,947	296,797
Billings in excess of costs and estimated earnings	126,962	103,771
Total current liabilities	421,909	400,568
Long-term debt	0	0
Operating long-term lease liabilities	42,337	42,098
Liability for Uncertainty in Income Taxes, Noncurrent	22,312	22,047
Other non-current liabilities	11,849	16,951
Total liabilities	498,407	481,664
Noncontrolling interest	54,969	49,951
Preferred stock, value	0	0
Common stock, value	220	220
Treasury stock, value	(49,521)	(49,450)
Additional paid-in capital	203,986	203,431
Retained earnings	333,958	295,784
Total stockholders' equity	488,643	449,985
Total liabilities and stockholders' equity	$ 1,042,019	$ 981,600

XML

Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Dec. 31, 2023	Sep. 30, 2023
Statement of Financial Position [Abstract]
Accounts Receivable, Allowance for Credit Loss, Current	$ (1,705)	$ (1,649)
Preferred Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Preferred Stock, Shares Authorized	10,000,000	10,000,000
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common Stock, Shares Authorized	100,000,000	100,000,000
Common Stock, Shares, Issued	22,049,529	22,049,529
Common Stock, Shares, Outstanding	20,213,976	20,194,218
Treasury Stock, Shares	1,835,553	1,855,311

XML

Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Income Statement [Abstract]
Revenues	$ 634,444	$ 574,874
Cost of services	490,640	479,436
Gross profit	143,804	95,438
Selling, general and administrative expenses	85,850	67,768
Contingent consideration	35	69
Loss (gain) on sale of assets	(71)	(13,060)
Operating income (loss)	57,990	40,661
Interest expense	397	1,184
Other (income) expense, net	(1,393)	695
Income (loss) from operations before income taxes	58,986	38,782
Provision for (benefit from) income taxes	15,398	10,028
Net income (loss)	43,588	28,754
Net income attributable to noncontrolling interest	(2,632)	(2,352)
Comprehensive income attributable to IES Holdings, Inc.	$ 40,956	$ 26,402
Earnings Per Share, Basic	$ 1.89	$ 1.15
Earnings Per Share, Diluted	$ 1.87	$ 1.14
Weighted Average Number of Shares Outstanding, Basic	20,199,587	20,242,114
Weighted Average Number of Shares Outstanding, Diluted	20,435,148	20,449,035

XML

Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Treasury Stock, Common	Additional Paid-in Capital [Member]	Retained Earnings [Member]
Stockholders' Equity Attributable to Parent at Sep. 30, 2022	$ 361,288	$ 220	$ (44,000)	$ 201,871	$ 203,197
Shares, Issued at Sep. 30, 2022		22,049,529	1,707,629
Issuances under compensation plans			$ (1,843)	(1,843)
Issuances under compensation plans, shares			71,013
Acquisition of treasury stock	7,489		$ 7,496	(7)
Acquisition of treasury stock, shares			(239,060)
Non-cash compensation	(905)			(905)
Noncontrolling Interest, Change in Redemption Value	(3,055)				(3,055)
Net income (loss) attributable to IES Holdings, Inc.	26,402				26,402
Stockholders' Equity Attributable to Parent at Dec. 31, 2022	378,051	$ 220	$ (49,653)	200,940	226,544
Shares, Issued at Dec. 31, 2022		22,049,529	1,875,676
Stockholders' Equity Attributable to Parent at Sep. 30, 2023	449,985	$ 220	$ (49,450)	203,431	295,784
Shares, Issued at Sep. 30, 2023		22,049,529	1,855,311
Issuances under compensation plans	0		$ (858)	(858)
Issuances under compensation plans, shares			32,180
Acquisition of treasury stock	929		$ 929	0
Acquisition of treasury stock, shares			(12,422)
Non-cash compensation	(1,413)			(1,413)
Noncontrolling Interest, Change in Redemption Value	(2,782)				(2,782)
Net income (loss) attributable to IES Holdings, Inc.	40,956				40,956
Stockholders' Equity Attributable to Parent at Dec. 31, 2023	$ 488,643	$ 220	$ (49,521)	$ 203,986	$ 333,958
Shares, Issued at Dec. 31, 2023		22,049,529	1,835,553

XML

Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Statement of Cash Flows [Abstract]
Net income (loss)	$ 43,588	$ 28,754
Bad debt expense	150	63
Deferred financing cost amortization	70	65
Depreciation and amortization	7,617	6,388
Gain (Loss) on Disposition of Property Plant Equipment	(71)	(13,060)
Non-cash compensation expense	1,413	905
Deferred income taxes	1,004	533
Unrealized Gain (Loss) on Investments	(119)	0
Accounts receivable	(24,869)	18,142
Inventories	(18,121)	(5,113)
Costs and estimated earnings in excess of billings	7,974	7,562
Prepaid expenses and other current assets	(9,761)	(11,766)
Other non-current assets	(4,443)	103
Accounts payable and accrued expenses	(2,616)	(29,780)
Billings in excess of costs and estimated earnings	23,191	10,722
Other non-current liabilities	(54)	826
Net cash provided by operating activities	24,953	14,344
Capital expenditures	(6,515)	(2,712)
Proceeds from sale of assets	656	19,205
Cash paid in conjunction with business combinations	(130)	(165)
Net cash used in investing activities	(5,989)	16,328
Borrowings of debt	654,039	607,974
Repayments of debt	(654,039)	(647,639)
Cash paid for finance leases	(978)	(773)
Payment for Contingent Consideration Liability, Financing Activities	4,074	0
Distribution to noncontrolling interest	(1,297)	(2,348)
Purchase of treasury stock	(929)	(7,489)
Net cash used in financing activities	(7,278)	(50,275)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	11,686	(19,603)
CASH, CASH EQUIVALENTS, beginning of period	75,770	24,848
CASH, CASH EQUIVALENTS, end of period	87,456	5,245
Cash paid for interest	135	1,001
Cash paid for income taxes (net)	$ 117	$ 63

XML

Business

3 Months Ended

Dec. 31, 2023

Accounting Policies [Abstract]

Business Description and Basis of Presentation [Text Block]

1. BUSINESS AND ACCOUNTING POLICIES

Description of the Business

IES Holdings, Inc. designs and installs integrated electrical and technology systems and provides infrastructure products and services to a variety of end markets, including data centers, residential housing and commercial and industrial facilities. Our operations are organized into four business segments, based upon the nature of our services:

•Communications – Nationwide provider of technology infrastructure services, including the design, build, and maintenance of the communications infrastructure within data centers for co-location and managed hosting customers, for both large corporations and independent businesses.

•Residential – Regional provider of electrical installation services for single-family housing and multi-family apartment complexes, as well as heating, ventilation and air conditioning (HVAC) and plumbing installation services in certain markets.

•Infrastructure Solutions – Provider of electro-mechanical solutions for industrial operations, including apparatus repair and custom-engineered products such as generator enclosures used in data centers and other industrial applications.

•Commercial & Industrial – Provider of electrical and mechanical design, construction, and maintenance services to the commercial and industrial markets in various regional markets and nationwide in certain areas of expertise, such as the power infrastructure market and data centers.

The words “IES”, the “Company”, “we”, “our”, and “us” refer to IES Holdings, Inc. and, except as otherwise specified herein, to our consolidated subsidiaries.

Seasonality and Quarterly Fluctuations

Results of operations from our Residential segment can be seasonal, depending on weather trends, with typically higher revenues generated during spring and summer and lower revenues generated during fall and winter. The Commercial & Industrial, Communications and Infrastructure Solutions segments of our business are less subject to seasonal trends, as work in these segments generally is performed inside structures protected from the weather, although weather can still impact these businesses, especially in the early stages of projects. From quarter to quarter, results for our Communications, Residential, and Commercial & Industrial segments may be materially affected by the timing of new construction projects, and our volume of business may be adversely affected by declines in construction projects resulting from adverse regional or national economic conditions. Quarterly results for our Infrastructure Solutions segment may be affected by the timing of outages or capital projects at our customers’ facilities. Accordingly, operating results for any fiscal period are not necessarily indicative of results that may be achieved for any subsequent fiscal period.

Basis of Financial Statement Preparation

The accompanying unaudited Condensed Consolidated Financial Statements include the accounts of IES, our wholly-owned subsidiaries, and entities that we control due to ownership of a majority of voting interest and have been prepared in accordance with the instructions to interim financial reporting as prescribed by the United States Securities and Exchange Commission (the “SEC”). The results for the interim periods are not necessarily indicative of results for the entire year. These interim financial statements do not include all disclosures required by U.S. generally accepted accounting principles (“GAAP”) and should be read in conjunction with the consolidated financial statements and notes thereto filed with the SEC in our Annual Report on Form 10-K for the fiscal year ended September 30, 2023. In the opinion of management, the unaudited Condensed Consolidated Financial Statements contained in this report include all known accruals and adjustments necessary for a fair presentation of the financial position, results of operations, and cash flows for the periods reported herein. Any such adjustments are of a normal recurring nature.

Noncontrolling Interest

In connection with our acquisitions of Edmonson Electric, LLC and Bayonet Plumbing, Heating & Air-Conditioning, LLC (“Bayonet”) in fiscal 2021, and NEXT Electric, LLC in fiscal 2017, we acquired an 80 percent interest in each of the entities, with the remaining 20 percent interest in each such entity being retained by the respective third-party seller. The interests retained by those third-party sellers are identified on our Condensed Consolidated Balance Sheets as noncontrolling interest, classified outside of permanent equity. Under the terms of each entity’s operating agreement, after five years from the date of the acquisition, we may elect to purchase, or the third-party seller may require us to purchase, part or all of the remaining 20 percent interest in the applicable entity. The purchase price is variable, based on a multiple of earnings as defined in the operating agreements. Therefore, this noncontrolling interest is carried at the greater of the balance determined under Accounting Standards Codification (“ASC”) 810 and the redemption

amounts assuming the noncontrolling interests were redeemable at the balance sheet date. If all of the noncontrolling interests remaining outstanding at December 31, 2023 had been redeemable at that date, the redemption amount would have been $54,969.

Use of Estimates

The preparation of financial statements in conformity with GAAP requires the use of estimates and assumptions by management in determining the reported amounts of assets and liabilities, disclosures of contingent liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Estimates are primarily used in our revenue recognition of construction in progress, fair value assumptions in accounting for business combinations, stock-based compensation, reserves for legal matters, and realizability of deferred tax assets and unrecognized tax benefits.

Accounting Standards Update and Change in Accounting Principle

In October 2021, the Financial Accounting Standards Board ("FASB") issued Accounting Standard Update No. 2021-08, Business Combinations (Topic 805): Accounting for Contract Assets and Contract Liabilities from Contracts with Customers (“ASU 2021-08”). This standard amends the existing guidance under ASC 805 to add contract assets and contract liabilities to the list of exceptions to the recognition and measurement principles that apply to business combinations. Under this standard, the acquirer of a business is expected to recognize and measure acquired contract assets and contract liabilities as if the acquirer entered into the original contract on the same date with the same terms in accordance with ASC 606 rather than at fair value on the date of acquisition. This update is effective for fiscal years beginning after December 15, 2022 and for interim periods within that year. We adopted this standard on October 1, 2023 using the prospective method. ASU 2021-08 will impact how we account for future business combinations.

XML

Controlling Shareholder

3 Months Ended

Dec. 31, 2023

Risks and Uncertainties [Abstract]

Controlling Shareholder [Text Block]

2. CONTROLLING STOCKHOLDER

Tontine Associates, L.L.C. (“Tontine Associates”), together with its affiliates (collectively, “Tontine”), is the Company’s controlling stockholder, owning approximately 57 percent of the Company’s outstanding common stock based on a Form 4 filed by Tontine with the SEC on January 24, 2024 and the Company's shares outstanding as of January 31, 2024. Accordingly, Tontine has the ability to exercise significant control over our affairs, including the election of directors and most actions requiring the approval of stockholders.

While Tontine is subject to certain restrictions under federal securities laws on sales of its shares as an affiliate, the Company has filed a shelf registration statement to register all of the shares of IES common stock owned by Tontine at the time of registration. As long as the shelf registration statement remains effective and the Company remains eligible to use it, Tontine has the ability to resell any or all of its registered shares from time to time in one or more offerings, as described in the shelf registration statement and in any prospectus supplement filed in connection with an offering pursuant to the shelf registration statement.

Should Tontine sell or otherwise dispose of all or a portion of its position in IES, a change in control of IES could occur. A change of control would trigger the change of control provisions in a number of our material agreements, including our credit agreement, bonding agreements with our sureties and our executive severance plan.

Jeffrey L. Gendell was appointed as Chief Executive Officer of the Company effective October 1, 2020, having served as the Company's Interim Chief Executive Officer since July 31, 2020. Mr. Gendell also serves as Chairman of the Board of Directors, a position he has held since November 2016. He is the managing member and founder of Tontine, and the brother of David B. Gendell, who has served as a member of our Board of Directors since February 2012, and who previously served as Interim Director of Operations from November 2017 to January 2019, as Vice Chairman of the Board from November 2016 to November 2017 and as Chairman of the Board from January 2015 to November 2016. David B. Gendell was an employee of Tontine from 2004 until January 2018.

The Company is party to a sublease agreement with Tontine Associates for corporate office space in Greenwich, Connecticut. In December 2022, the Company entered into an amendment of the sublease agreement, which was set to terminate on February 28, 2023, to extend the term of the agreement through August 31, 2024 and to increase the monthly payments from approximately $8 to approximately $9 effective March 1, 2023. Payments by the Company are at a rate consistent with that paid by Tontine Associates to its landlord.

On December 6, 2018, the Company entered into a Board Observer Letter Agreement (the "Observer Agreement") with Tontine Associates in order to assist Tontine in managing its investment in the Company. Subject to the terms and conditions set forth in the Observer Agreement, the Company granted Tontine the right, at any time that Tontine holds at least 20% of the outstanding common stock of the Company, to appoint a representative to serve as an observer to the Board (the “Board Observer”). The Board Observer, who must be reasonably acceptable to those members of the Board who are not affiliates of Tontine, shall have no voting rights or other decision making authority. Subject to the terms and conditions set forth in the Observer Agreement, so long as Tontine has the right to appoint a Board Observer, the Board Observer will have the right to attend and participate in meetings of the Board and the committees thereof, subject to confidentiality requirements, and to receive reimbursement for reasonable out-of-pocket expenses

incurred in his or her capacity as a Board Observer and such rights to coverage under the Company’s directors’ and officers’ liability insurance policy as are available to the Company’s directors.

XML

Revenue Recognition

3 Months Ended

Dec. 31, 2023

Revenue Recognition and Deferred Revenue [Abstract]

Revenue from External Customers by Products and Services [Table Text Block]

3. REVENUE RECOGNITION

Contracts

Our revenue is derived from contracts with customers, and we determine the appropriate accounting treatment for each contract at its inception. Our contracts primarily relate to electrical and mechanical contracting services, technology infrastructure products and services, and electro-mechanical solutions for industrial operations. Revenue is earned based upon an agreed fixed price or actual costs incurred plus an agreed upon percentage.

We account for a contract when: (i) it has approval and commitment from both parties, (ii) the rights of the parties are identified, (iii) payment terms are identified, (iv) the contract has commercial substance, and (v) collectability of consideration is probable. We consider the start of a project to be when the above criteria have been met and we have written authorization from the customer to proceed.

Performance Obligations

A performance obligation is a promise in a contract to transfer a distinct good or service to the customer. A contract’s transaction price is allocated to each distinct performance obligation and recognized as revenue when, or as, the performance obligation is satisfied.

We recognize revenue over time for the majority of the services we perform other than the Residential Single-family and Infrastructure Solutions Industrial Services businesses, as (i) control continuously transfers to the customer as work progresses at a project location controlled by the customer and (ii) we have the right to bill the customer as costs are incurred. Within our Infrastructure Solutions Custom Power Solutions business, we often perform work inside our own facilities, where control does not continuously transfer to the customer as work progresses. In such cases, we evaluate whether the work performed creates an asset with alternative use to the Company and whether we have the right to bill the customer as costs are incurred. Such assessment involves an evaluation of contractual termination clauses. Where we are creating an asset with no alternative use and we have a contractual right to payment for work performed to date, we recognize revenue over time. If we do not have such a right, we recognize revenue upon completion of the contract, when control of the work transfers to the customer.

For arrangements where we recognize revenue over time, we use the percentage of completion method of accounting under which revenue recognized is measured principally by the costs incurred and accrued to date for each contract as a percentage of the estimated total cost for each contract at completion. Contract costs include all direct material, labor and indirect costs related to contract performance. Changes in job performance, job conditions, estimated contract costs and profitability and final contract settlements may result in revisions to costs and income, and the effects of these revisions are recognized in the period in which the revisions are determined. Provisions for estimated losses on uncompleted contracts are made in the period in which such losses are determined. This measurement and comparison process requires updates to the estimate of total costs to complete the contract, and these updates may include subjective assessments and judgments.

Variable Consideration

The transaction price for our contracts may include variable consideration, which includes changes to transaction price for approved and unapproved change orders, claims and incentives. Change orders, claims, and incentives are generally not distinct from the existing contract due to the significant integration service provided in the context of the contract and are accounted for as a modification of the existing contract and performance obligation. We estimate variable consideration for a performance obligation at the probability weighted value we expect to receive (or the most probable amount we expect to incur in the case of liquidated damages, if any), utilizing estimation methods that best predict the amount of consideration to which we will be entitled (or which will be incurred in the case of liquidated damages, if any). We include variable consideration in the estimated transaction price to the extent it is probable that a significant reversal of cumulative revenue recognized will not occur or when the uncertainty associated with the variable consideration is resolved. Our estimates of variable consideration and determination of whether to include estimated amounts in transaction price are based largely on an assessment of our anticipated performance and all information (historical, current and forecasted) that is reasonably available to us. The effect of variable consideration on the transaction price of a performance obligation is recognized as an adjustment to revenue on a cumulative catch-up basis. To the extent unapproved change orders and claims reflected in transaction price (or accounted for as a reduction of the transaction price in the case of liquidated damages) are not resolved in our favor, or to the extent incentives reflected in transaction price are not earned, there could be reductions in, or reversals of, previously recognized revenue.

Disaggregation of Revenue

We disaggregate our revenue from contracts with customers by activity and contract type, as these categories reflect how the nature, amount, timing and uncertainty of our revenue and cash flows are affected by economic factors. Our consolidated revenue for the three months ended December 31, 2023 and 2022 was derived from the following activities. Certain prior period amounts have been reclassified to conform with the current period presentation, where applicable. See details in the following tables:

	Three Months Ended December 31,
	2023		2022
Communications	$	170,748	$	147,245
Residential
Single-family	246,567		243,710
Multi-family and Other	69,289		74,368
Total Residential	315,856		318,078
Infrastructure Solutions
Industrial Services	11,098		10,955
Custom Power Solutions	51,790		38,329
Total Infrastructure Solutions	62,888		49,284
Commercial & Industrial	84,952		60,267
Total Revenue	$	634,444	$	574,874

	Three Months Ended December 31, 2023
		Communications		Residential		Infrastructure Solutions		Commercial & Industrial		Total
Fixed-price		$	125,223	$	315,856	$	60,880	$	73,910	$	575,869
Time-and-material			45,525		—		2,008		11,042		58,575
Total revenue		$	170,748	$	315,856	$	62,888	$	84,952	$	634,444
	Three Months Ended December 31, 2022
		Communications		Residential		Infrastructure Solutions		Commercial & Industrial		Total
Fixed-price		$	87,274	$	318,078	$	47,546	$	51,895	$	504,793
Time-and-material			59,971		—		1,738		8,372		70,081
Total revenue		$	147,245	$	318,078	$	49,284	$	60,267	$	574,874

Accounts Receivable and Allowance for Credit Losses

Accounts receivable include amounts that we have billed or have an unconditional right to bill our customers. As of December 31, 2023, Accounts receivable included $5,347 of unbilled receivables for which we have an unconditional right to bill.

Contract Assets and Liabilities

Project contracts typically provide for a schedule of billings on percentage of completion of specific tasks inherent in the fulfillment of our performance obligation(s). The schedules for such billings usually do not precisely match the schedule on which costs are incurred. As a result, contract revenue recognized in the statement of operations can and usually does differ from amounts that can be billed to the customer at any point during the contract. Amounts by which cumulative contract revenue recognized on a contract as of a given date exceeds cumulative billings and unbilled receivables to the customer under the contract are reflected as a current asset in our Condensed Consolidated Balance Sheet under the caption “Costs and estimated earnings in excess of billings”. Amounts by which cumulative billings to the customer under a contract as of a given date exceed cumulative contract revenue recognized are reflected as a current liability in our Condensed Consolidated Balance Sheet under the caption “Billings in excess of costs and estimated earnings”.

During the three months ended December 31, 2023 and 2022, we recognized revenue of $77,964 and $38,047 related to our contract liabilities at October 1, 2023 and 2022, respectively.

Remaining Performance Obligations

Remaining performance obligations represent the unrecognized revenue value of our contract commitments. New awards represent the total expected revenue value of new contract commitments undertaken during a given period, as well as additions to the scope of existing contract commitments. Our new performance obligations vary significantly each reporting period based on the timing of our major new contract commitments. At December 31, 2023, we had remaining performance obligations of $1,072,593. The Company expects to recognize revenue on approximately $872,321 of the remaining performance obligations over the next 12 months, with the remainder recognized thereafter.

For the three months ended December 31, 2023, net revenue recognized from our performance obligations satisfied in previous periods was not material.

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Debt

3 Months Ended

Dec. 31, 2023

Debt Disclosure [Abstract]

Debt Disclosure [Text Block]

4. DEBT

We are a party to the Third Amended and Restated Credit and Security Agreement (the “Amended Credit Agreement”), which provides for a maximum borrowing amount of $150,000 under our revolving credit facility. The Amended Credit Agreement, which matures on September 30, 2026, contains customary affirmative, negative and financial covenants as disclosed in Item 7 of our Annual Report on Form 10-K for the fiscal year ended September 30, 2023. As of December 31, 2023, the Company was in compliance with the financial covenants under the Amended Credit Agreement.

At December 31, 2023 and at September 30, 2023, we had no outstanding borrowings under our revolving credit facility. At December 31, 2023, we also had $5,606 in outstanding letters of credit and total availability of $142,489 under our revolving credit facility without triggering the financial covenants under the Amended Credit Agreement.

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Per Share Information

3 Months Ended

Dec. 31, 2023

Earnings Per Share [Abstract]

Earnings Per Share [Text Block]

5. PER SHARE INFORMATION

The following tables reconcile the components of basic and diluted earnings per share for the three months ended December 31, 2023 and 2022:

	Three Months Ended December 31,
	2023		2022
Numerator:
Net income attributable to IES Holdings, Inc.	$	40,956	$	26,402
Increase in noncontrolling interest		(2,782)		(3,055)
Net income attributable to restricted stockholders of IES Holdings, Inc.		—		(11)
Net income attributable to common stockholders of IES Holdings, Inc.	$	38,174	$	23,336
Denominator:
Weighted average common shares outstanding — basic		20,199,587		20,242,114
Effect of dilutive stock options and non-vested securities		235,561		206,921
Weighted average common and common equivalent shares outstanding — diluted		20,435,148		20,449,035
Earnings per share attributable to common stockholders of IES Holdings, Inc.:
Basic	$	1.89	$	1.15
Diluted	$	1.87	$	1.14

For the three months ended December 31, 2023 and 2022, the average price of our common shares exceeded the exercise price of all of our outstanding stock options; therefore, all of our outstanding stock options were included in the computation of diluted earnings per share. For the three months ended December 31, 2023 and 2022, the computation of diluted earnings per share excluded 64,500 and 60,212 unvested Employee PSUs (as defined below), respectively, as the inclusion of such instruments would have been anti-dilutive.

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Operating Segments

3 Months Ended

Dec. 31, 2023

Segment Reporting [Abstract]

Segment Reporting Disclosure [Text Block]

6. OPERATING SEGMENTS

We manage and measure performance of our business in four distinct operating segments: Communications, Residential, Infrastructure Solutions, and Commercial & Industrial. These segments are reflective of how the Company’s Chief Operating Decision Maker (“CODM”) reviews operating results for the purpose of allocating resources and assessing performance. The Company’s

CODM is its Chief Executive Officer.

Transactions between segments, if any, are eliminated in consolidation. Our corporate organization provides general and administrative services, as well as support services, to each of our four operating segments. Management allocates certain shared costs among segments for selling, general and administrative expenses and depreciation expense.

Segment information for the three months ended December 31, 2023 and 2022 is as follows:

		Three Months Ended December 31, 2023
		Communications		Residential		Infrastructure Solutions		Commercial & Industrial		Corporate		Total
Revenues		$	170,748	$	315,856	$	62,888	$	84,952	$	—	$	634,444
Cost of services		134,473		240,425		44,697		71,045		—		490,640
Gross profit		36,275		75,431		18,191		13,907		—		143,804
Selling, general and administrative		14,901		51,378		7,285		6,847		5,439		85,850
Contingent consideration		—		35		—		—		—		35
Loss (gain) on sale of assets		(4)		(82)		—		15		—		(71)
Operating income (loss)		$	21,378	$	24,100	$	10,906	$	7,045	$	(5,439)	$	57,990
Other data:
	Depreciation and amortization expense	$	723	$	4,962	$	1,227	$	475	$	230	$	7,617
	Capital expenditures	$	1,000	$	3,364	$	1,151	$	821	$	179	$	6,515
	Total assets	$	215,475	$	388,808	$	185,875	$	101,621	$	150,240	$	1,042,019

		Three Months Ended December 31, 2022
		Communications		Residential		Infrastructure Solutions		Commercial & Industrial		Corporate		Total
Revenues		$	147,245	$	318,078	$	49,284	$	60,267	$	—	$	574,874
Cost of services		125,507		258,459		38,817		56,653		—		479,436
Gross profit		21,738		59,619		10,467		3,614		—		95,438
Selling, general and administrative		12,297		39,051		5,761		5,689		4,970		67,768
Contingent consideration		—		69		—		—		—		69
Gain on sale of assets		—		(6)		(19)		(13,035)		—		(13,060)
Operating income (loss)		$	9,441	$	20,505	$	4,725	$	10,960	$	(4,970)	$	40,661
Other data:
	Depreciation and amortization expense	$	430	$	4,144	$	1,354	$	392	$	68	$	6,388
	Capital expenditures	$	642	$	708	$	639	$	723	$	—	$	2,712
	Total assets	$	203,500	$	395,243	$	163,201	$	79,548	$	55,324	$	896,816

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Stockholders' Equity

3 Months Ended

Dec. 31, 2023

Equity [Abstract]

Shareholders' Equity and Share-based Payments [Text Block]

7. STOCKHOLDERS’ EQUITY

Equity Incentive Plan

The Company’s 2006 Equity Incentive Plan, as amended and restated (the “Equity Incentive Plan”), provides for grants of stock options as well as grants of stock, including restricted stock. Approximately 3.0 million shares of common stock are authorized for issuance under the Equity Incentive Plan, of which approximately 547,804 shares were available for issuance at December 31, 2023.

Stock Repurchase Program

In December 2022, our Board authorized a stock repurchase program for the purchase from time to time of up to $40,000 of the Company’s common stock, replacing the Company's previous repurchase program. Share purchases are made for cash in open market transactions at prevailing market prices or in privately negotiated transactions or otherwise. The timing and amount of purchases under the program are determined based upon prevailing market conditions, our liquidity requirements, contractual restrictions and other factors. All or part of the repurchases may be implemented under a Rule 10b5-1 trading plan, which allows repurchases under predetermined terms at times when the Company might otherwise be prevented from purchasing under insider trading laws or because of self-imposed blackout periods. The program does not require the Company to purchase any specific number of shares and may be modified, suspended, reinstated, or terminated at any time at the Company’s discretion and without notice. We repurchased 219,731 shares of our common stock during the three months ended December 31, 2022 in open market transactions at an average price of

$30.97 per share. We had no repurchases of common stock in open market transactions during the three months ended December 31, 2023.

Treasury Stock

During the three months ended December 31, 2023, we issued 32,180 shares of common stock from treasury stock to employees and repurchased 12,422 shares of common stock from our employees to satisfy statutory tax withholding requirements upon the vesting of certain performance phantom stock units under the Equity Incentive Plan.

During the three months ended December 31, 2022, we issued 71,013 shares of common stock from treasury stock to employees and repurchased 19,142 shares of common stock from our employees to satisfy statutory tax withholding requirements upon the vesting of certain performance phantom stock units under the Equity Incentive Plan. In addition, 187 restricted shares were forfeited and returned to treasury stock.

Director Phantom Stock Units

Director phantom stock units (“Director PSUs”) are granted to the members of the Board of Directors as part of their overall compensation. The Director PSUs are contractual rights to receive one share of the Company's common stock and are paid via unrestricted stock grants to each director upon their departure from the Board of Directors, or upon a change in control. We record compensation expense for the full value of the grant on the date of grant.

Employee Phantom Stock Units

An employee phantom stock unit (an “Employee PSU”) is a contractual right to receive one share of the Company’s common stock. Depending on the terms of each grant, Employee PSUs may vest upon the achievement of certain specified performance objectives and continued performance of services, or may vest based on continued performance of services through the vesting date.

As of December 31, 2023, the Company had outstanding Employee PSUs, which, subject to the achievement of certain performance metrics, could result in the issuance of 376,533 shares of common stock. During the three months ended December 31, 2023, we granted 85,424 Employee PSUs, 2,535 were forfeited, and 32,180 vested.

A summary of the compensation expense related to our stock awards recognized during the three months ended December 31, 2023 and 2022 is provided in the table below:

	Three Months Ended December 31,
	2023		2022
Restricted stock awards	$	—	$	25
Director PSUs	$	97	$	97
Employee PSUs	$	1,316	$	783

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Fair Value Measurements

3 Months Ended

Dec. 31, 2023

Fair Value Disclosures [Abstract]

Fair Value Disclosures [Text Block]

. FAIR VALUE MEASUREMENTS

Fair Value Measurement Accounting

Fair value is considered the price to sell an asset, or transfer a liability, between market participants on the measurement date. Fair value measurements assume that (1) the asset or liability is exchanged in an orderly manner, (2) the exchange is in the principal market for that asset or liability, and (3) the market participants are independent, knowledgeable, and able and willing to transact an exchange. Fair value accounting and reporting establishes a framework for measuring fair value by creating a hierarchy for observable independent market inputs and unobservable market assumptions and expands disclosures about fair value measurements. Judgment is required to interpret the market data used to develop fair value estimates. As such, the estimates presented herein are not necessarily indicative of the amounts that could be realized in a current exchange. The use of different market assumptions and/or estimation methods could have a material effect on the estimated fair value.

At December 31, 2023, financial assets and liabilities measured at fair value on a recurring basis were limited to our Executive Deferred Compensation Plan, under which certain employees are permitted to defer a portion of their base salary and/or bonus for a Plan Year (as defined in the plan), debt and equity investments classified as trading securities, and contingent consideration liabilities related to certain of our acquisitions.

Financial assets (liabilities) measured at fair value on a recurring basis as of December 31, 2023 and September 30, 2023, are summarized in the following tables by the type of inputs applicable to the fair value measurements:

	December 31, 2023
			Total Fair Value		Quoted Prices (Level 1)		Significant Unobservable Inputs (Level 3)
Executive savings plan assets		$	851	$	851	$	—
Debt securities			4,501		4,501		—
Executive savings plan liabilities			(729)		(729)		—
Total		$	4,623	$	4,623	$	—

	September 30, 2023
			Total Fair Value		Quoted Prices (Level 1)		Significant Unobservable Inputs (Level 3)
Executive savings plan assets		$	783	$	783	$	—
Executive savings plan liabilities			(657)		(657)		—
Contingent consideration liability			(4,465)		—		(4,465)
Total		$	(4,339)	$	126	$	(4,465)

In fiscal year 2021, we entered into a contingent consideration arrangement related to the acquisition of Bayonet. The table below presents the change in fair value of this obligation, which used significant unobservable inputs (Level 3). This obligation was settled during the three months ended December 31, 2023, and we did not have any other assets or liabilities measured using significant unobservable inputs at December 31, 2023.

	Contingent Consideration Agreements
Fair value at September 30, 2023	$	(4,465)
Net adjustments to fair value	(35)
Settlements	4,500
Fair value at December 31, 2023	$	—

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Inventory

3 Months Ended

Dec. 31, 2023

Inventory Disclosure [Abstract]

Inventory Disclosure [Text Block]

9. INVENTORY

Inventories consist of the following components:

	December 31,		September 30,
	2023		2023
Raw materials	$	14,348	$	14,334
Work in process		12,895		12,939
Finished goods		5,689		3,399
Parts and supplies		80,842		64,983
Total inventories	$	113,774	$	95,655

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Goodwill and Intangible Assets

3 Months Ended

Dec. 31, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets Disclosure [Text Block]

10. GOODWILL AND INTANGIBLE ASSETS

Goodwill

The following summarizes the carrying value of goodwill by segment at December 31, 2023, which did not change from September 30, 2023:

	Communications		Residential		Infrastructure Solutions		Commercial & Industrial		Total
Goodwill at December 31, 2023	$	2,816	$	51,370	$	38,209	$	—	$	92,395

Intangible Assets

Intangible assets consist of the following:

	Estimated Useful Lives (in Years)			December 31, 2023
					Gross Carrying Amount		Accumulated Amortization		Net
Trademarks/trade names	5	-	20		$	14,621	$	(7,349)		$	7,272
Technical library	20				400		(206)			194
Customer relationships	6	-	15		91,426		(45,751)			45,675
Non-competition arrangements	5				40		(40)			—
Backlog and construction contracts	1				4,958		(4,958)			—
Total intangible assets					$	111,445	$	(58,304)		$	53,141

	Estimated Useful Lives (in Years)			September 30, 2023
					Gross Carrying Amount		Accumulated Amortization		Net
Trademarks/trade names	5	-	20		$	14,621	$	(6,973)		$	7,648
Technical library	20				400		(201)			199
Customer relationships	6	-	15		91,426		(43,065)			48,361
Non-competition arrangements	5				40		(40)			—
Backlog and construction contracts	1				4,958		(4,958)			—
Total intangible assets					$	111,445	$	(55,237)		$	56,208

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Commitments and Contingencies

3 Months Ended

Dec. 31, 2023

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies Disclosure [Text Block]

11. COMMITMENTS AND CONTINGENCIES

Legal Matters

From time to time, we are a party to various claims, lawsuits and other legal proceedings that arise in the ordinary course of business. We maintain various insurance coverages to minimize financial risk associated with these proceedings. None of these proceedings, separately or in the aggregate, are expected to have a material adverse effect on our financial position, results of operations or cash flows. With respect to all such proceedings, we record reserves when it is probable that a liability has been incurred and the amount of loss can be reasonably estimated. We expense routine legal costs related to these proceedings as they are incurred.

In the course of performing work as a subcontractor, from time to time we may be involved in projects which are the subject of contractual disputes between the general contractor and project owner, or between us and the general contractor. In such cases, payment of amounts owed to us by the general contractor may be delayed as contractual disputes are resolved through mediation, arbitration, or litigation. Such disputes may cause us to incur legal fees and other expenses to enforce our contractual rights, and we may not prevail in recovering all amounts to which we believe we are contractually entitled.

Risk Management

We retain the risk for workers’ compensation, employer’s liability, automobile liability, construction defects, general liability and employee group health claims, as well as pollution coverage, resulting from uninsured deductibles per accident or occurrence which are generally subject to annual aggregate limits. Our general liability program provides coverage for bodily injury and property damage. In many cases, we insure third parties, including general contractors, as additional insured parties under our insurance policies. Losses are accrued based upon our known claims incurred and an estimate of claims incurred but not reported. As a result, many of our claims are effectively self-insured. Many claims against our insurance are in the form of litigation. At December 31, 2023 and September 30, 2023, we had $9,334 and $7,726, respectively, accrued for self-insurance liabilities. Because the reserves are based on judgment and estimates and involve variables that are inherently uncertain, such as the outcome of litigation and an assessment of insurance coverage, there can be no assurance that the ultimate liability will not be higher or lower than such estimates or that the timing of payments will not create liquidity issues for the Company.

Some of the underwriters of our casualty insurance program require us to post letters of credit as collateral. This is common in the insurance industry. To date, we have not had a situation where an underwriter has had reasonable cause to effect payment under a letter of credit. At December 31, 2023 and September 30, 2023, $5,606 and $4,166, respectively, of our outstanding letters of credit was utilized to collateralize our insurance program.

Surety

As of December 31, 2023, the estimated cost to complete our bonded projects was approximately $136,569. We evaluate our bonding requirements on a regular basis, including the terms offered by our sureties. We believe the bonding capacity presently provided by our current sureties is adequate for our current operations and will be adequate for our operations for the foreseeable future.

Other Commitments and Contingencies

Some of our customers and vendors require us to post letters of credit, or provide intercompany guarantees, as a means of guaranteeing performance under our contracts and ensuring payment by us to subcontractors and vendors. If our customer has reasonable cause to effect payment under a letter of credit, we would be required to reimburse our creditor for the letter of credit.

From time to time, we may enter into firm purchase commitments for materials, such as copper or aluminum wire, which we expect to use in the ordinary course of business. These commitments are typically for terms of less than one year and require us to buy minimum quantities of materials at specific intervals at a fixed price over the term. As of December 31, 2023, we did not have any such firm commitments to purchase materials outstanding.

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Leases

3 Months Ended

Dec. 31, 2023

Leases [Abstract]

Leases

12. LEASES

We enter into various contractual arrangements for the right to use facilities, vehicles and equipment. The lease terms generally range from two to ten years for facilities and three to five years for vehicles and equipment. Our lease terms may include the exercise of renewal or termination options when it is reasonably certain these options will be exercised. Our lease agreements do not contain any material residual value guarantees or restrictive covenants.

Current operating and finance lease liabilities of $20,184 and $4,529, respectively, as of December 31, 2023, and 19,496 and 4,301, respectively, as of September 30, 2023, were included in “Accounts payable and accrued expenses” in the Condensed Consolidated Balance Sheets. Non-current finance lease liabilities and finance lease right-of-use assets were included in the “Other non-current liabilities” and “Other non-current assets”, respectively, in the Condensed Consolidated Balance Sheets.

The maturities of our lease liabilities as of December 31, 2023 are as follows:

	Operating Leases		Finance Leases		Total
Remainder of 2024	$	15,977	$	3,523	$	19,500
2025	17,902		4,468		22,370
2026	14,288		3,602		17,890
2027	10,202		1,799		12,001
2028	5,864		196		6,060
Thereafter	6,231		3		6,234
Total undiscounted lease payments	$	70,464	$	13,591	$	84,055
Less: imputed interest	7,943		1,299		9,242
Present value of lease liabilities	$	62,521	$	12,292	$	74,813

The total future undiscounted cash flows related to lease agreements committed to but not yet commenced as of December 31, 2023 is $2,880.

Lease cost recognized in our Condensed Consolidated Statements of Comprehensive Income is summarized as follows:

	Three Months Ended
	December 31, 2023		December 31, 2022
Operating lease cost	$	5,696	$	4,926
Finance lease cost
Amortization of lease assets	1,008		675
Interest on lease liabilities	184		150
Finance lease cost	1,192		825
Short-term lease cost	421		589
Variable lease cost	998		413
Total lease cost	$	8,307	$	6,753

Other information about lease amounts recognized in our Condensed Consolidated Financial Statements is summarized as follows:

	Three Months Ended
	December 31, 2023		December 31, 2022
Operating cash flows used for operating leases	$	6,038	$	5,951
Operating cash flows used for finance leases	184		150
Right-of-use assets obtained in exchange for new operating lease liabilities	6,459		6,319
Right-of-use assets obtained in exchange for new finance lease liabilities	340		2,944

	December 31, 2023		September 30, 2023
Weighted-average remaining lease term - operating leases	4.3 years		4.5 years
Weighted-average remaining lease term - finance leases	3.2 years		3.4 years
Weighted-average discount rate - operating leases	5.2	%	5.1	%
Weighted-average discount rate - finance leases	6.2	%	6.0	%

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Discontinued Operations and Disposal Groups

3 Months Ended

Dec. 31, 2023

Discontinued Operations and Disposal Groups [Abstract]

Business Combination Disclosure [Text Block]

13. BUSINESS COMBINATIONS AND DIVESTITURES

We completed no acquisitions during the three months ended December 31, 2023 or during the year ended September 30, 2023.

On October 7, 2022, we sold 100% of the membership interests of STR Mechanical, LLC and its subsidiary Technical Services II, LLC (collectively, “STR”). As a result, we recognized a pre-tax gain of $13,045, which was included in “Gain on sale of assets” within our Condensed Consolidated Statements of Comprehensive Income for the three months ended December 31, 2022.

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Pay vs Performance Disclosure - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Pay vs Performance Disclosure
Net income (loss) attributable to IES Holdings, Inc.	$ 40,956	$ 26,402

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Insider Trading Arrangements	3 Months Ended
	Dec. 31, 2023
Trading Arrangements, by Individual
Rule 10b5-1 Arrangement Adopted	false
Non-Rule 10b5-1 Arrangement Adopted	false
Rule 10b5-1 Arrangement Terminated	false
Non-Rule 10b5-1 Arrangement Terminated	false

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Accounting Policies (Policies)

3 Months Ended

Dec. 31, 2023

Accounting Policies [Abstract]

Use of Estimates, Policy

Use of Estimates

The preparation of financial statements in conformity with GAAP requires the use of estimates and assumptions by management in determining the reported amounts of assets and liabilities, disclosures of contingent liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Estimates are primarily used in our revenue recognition of construction in progress, fair value assumptions in accounting for business combinations, stock-based compensation, reserves for legal matters, and realizability of deferred tax assets and unrecognized tax benefits.

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Revenue Recognition (Tables)

3 Months Ended

Dec. 31, 2023

Revenue Recognition and Deferred Revenue [Abstract]

Disaggregation of Revenue [Table Text Block]

Our consolidated revenue for the three months ended December 31, 2023 and 2022 was derived from the following activities. Certain prior period amounts have been reclassified to conform with the current period presentation, where applicable. See details in the following tables:

	Three Months Ended December 31,
	2023		2022
Communications	$	170,748	$	147,245
Residential
Single-family	246,567		243,710
Multi-family and Other	69,289		74,368
Total Residential	315,856		318,078
Infrastructure Solutions
Industrial Services	11,098		10,955
Custom Power Solutions	51,790		38,329
Total Infrastructure Solutions	62,888		49,284
Commercial & Industrial	84,952		60,267
Total Revenue	$	634,444	$	574,874

	Three Months Ended December 31, 2023
		Communications		Residential		Infrastructure Solutions		Commercial & Industrial		Total
Fixed-price		$	125,223	$	315,856	$	60,880	$	73,910	$	575,869
Time-and-material			45,525		—		2,008		11,042		58,575
Total revenue		$	170,748	$	315,856	$	62,888	$	84,952	$	634,444
	Three Months Ended December 31, 2022
		Communications		Residential		Infrastructure Solutions		Commercial & Industrial		Total
Fixed-price		$	87,274	$	318,078	$	47,546	$	51,895	$	504,793
Time-and-material			59,971		—		1,738		8,372		70,081
Total revenue		$	147,245	$	318,078	$	49,284	$	60,267	$	574,874

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Per Share Information (Tables)

3 Months Ended

Dec. 31, 2023

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

The following tables reconcile the components of basic and diluted earnings per share for the three months ended December 31, 2023 and 2022:

	Three Months Ended December 31,
	2023		2022
Numerator:
Net income attributable to IES Holdings, Inc.	$	40,956	$	26,402
Increase in noncontrolling interest		(2,782)		(3,055)
Net income attributable to restricted stockholders of IES Holdings, Inc.		—		(11)
Net income attributable to common stockholders of IES Holdings, Inc.	$	38,174	$	23,336
Denominator:
Weighted average common shares outstanding — basic		20,199,587		20,242,114
Effect of dilutive stock options and non-vested securities		235,561		206,921
Weighted average common and common equivalent shares outstanding — diluted		20,435,148		20,449,035
Earnings per share attributable to common stockholders of IES Holdings, Inc.:
Basic	$	1.89	$	1.15
Diluted	$	1.87	$	1.14

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Operating Segments (Tables)

3 Months Ended

Dec. 31, 2023

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

Segment information for the three months ended December 31, 2023 and 2022 is as follows:

		Three Months Ended December 31, 2023
		Communications		Residential		Infrastructure Solutions		Commercial & Industrial		Corporate		Total
Revenues		$	170,748	$	315,856	$	62,888	$	84,952	$	—	$	634,444
Cost of services		134,473		240,425		44,697		71,045		—		490,640
Gross profit		36,275		75,431		18,191		13,907		—		143,804
Selling, general and administrative		14,901		51,378		7,285		6,847		5,439		85,850
Contingent consideration		—		35		—		—		—		35
Loss (gain) on sale of assets		(4)		(82)		—		15		—		(71)
Operating income (loss)		$	21,378	$	24,100	$	10,906	$	7,045	$	(5,439)	$	57,990
Other data:
	Depreciation and amortization expense	$	723	$	4,962	$	1,227	$	475	$	230	$	7,617
	Capital expenditures	$	1,000	$	3,364	$	1,151	$	821	$	179	$	6,515
	Total assets	$	215,475	$	388,808	$	185,875	$	101,621	$	150,240	$	1,042,019

		Three Months Ended December 31, 2022
		Communications		Residential		Infrastructure Solutions		Commercial & Industrial		Corporate		Total
Revenues		$	147,245	$	318,078	$	49,284	$	60,267	$	—	$	574,874
Cost of services		125,507		258,459		38,817		56,653		—		479,436
Gross profit		21,738		59,619		10,467		3,614		—		95,438
Selling, general and administrative		12,297		39,051		5,761		5,689		4,970		67,768
Contingent consideration		—		69		—		—		—		69
Gain on sale of assets		—		(6)		(19)		(13,035)		—		(13,060)
Operating income (loss)		$	9,441	$	20,505	$	4,725	$	10,960	$	(4,970)	$	40,661
Other data:
	Depreciation and amortization expense	$	430	$	4,144	$	1,354	$	392	$	68	$	6,388
	Capital expenditures	$	642	$	708	$	639	$	723	$	—	$	2,712
	Total assets	$	203,500	$	395,243	$	163,201	$	79,548	$	55,324	$	896,816

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Stockholders' Equity (Tables)

3 Months Ended

Dec. 31, 2023

Equity [Abstract]

Share-Based Payment Arrangement, Cost by Plan

A summary of the compensation expense related to our stock awards recognized during the three months ended December 31, 2023 and 2022 is provided in the table below:

	Three Months Ended December 31,
	2023		2022
Restricted stock awards	$	—	$	25
Director PSUs	$	97	$	97
Employee PSUs	$	1,316	$	783

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Fair Value Measurements (Tables)

3 Months Ended

Dec. 31, 2023

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

Financial assets (liabilities) measured at fair value on a recurring basis as of December 31, 2023 and September 30, 2023, are summarized in the following tables by the type of inputs applicable to the fair value measurements:

	December 31, 2023
			Total Fair Value		Quoted Prices (Level 1)		Significant Unobservable Inputs (Level 3)
Executive savings plan assets		$	851	$	851	$	—
Debt securities			4,501		4,501		—
Executive savings plan liabilities			(729)		(729)		—
Total		$	4,623	$	4,623	$	—

	September 30, 2023
			Total Fair Value		Quoted Prices (Level 1)		Significant Unobservable Inputs (Level 3)
Executive savings plan assets		$	783	$	783	$	—
Executive savings plan liabilities			(657)		(657)		—
Contingent consideration liability			(4,465)		—		(4,465)
Total		$	(4,339)	$	126	$	(4,465)

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation

The table below presents the change in fair value of this obligation, which used significant unobservable inputs (Level 3). This obligation was settled during the three months ended December 31, 2023, and we did not have any other assets or liabilities measured using significant unobservable inputs at December 31, 2023.

	Contingent Consideration Agreements
Fair value at September 30, 2023	$	(4,465)
Net adjustments to fair value	(35)
Settlements	4,500
Fair value at December 31, 2023	$	—

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Inventory (Tables)

3 Months Ended

Dec. 31, 2023

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories consist of the following components:

	December 31,		September 30,
	2023		2023
Raw materials	$	14,348	$	14,334
Work in process		12,895		12,939
Finished goods		5,689		3,399
Parts and supplies		80,842		64,983
Total inventories	$	113,774	$	95,655

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Goodwill and Intangible Assets (Tables)

3 Months Ended

Dec. 31, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill [Table Text Block]

The following summarizes the carrying value of goodwill by segment at December 31, 2023, which did not change from September 30, 2023:

	Communications		Residential		Infrastructure Solutions		Commercial & Industrial		Total
Goodwill at December 31, 2023	$	2,816	$	51,370	$	38,209	$	—	$	92,395

Schedule of Finite-Lived Intangible Assets [Table Text Block]

Intangible assets consist of the following:

	Estimated Useful Lives (in Years)			December 31, 2023
					Gross Carrying Amount		Accumulated Amortization		Net
Trademarks/trade names	5	-	20		$	14,621	$	(7,349)		$	7,272
Technical library	20				400		(206)			194
Customer relationships	6	-	15		91,426		(45,751)			45,675
Non-competition arrangements	5				40		(40)			—
Backlog and construction contracts	1				4,958		(4,958)			—
Total intangible assets					$	111,445	$	(58,304)		$	53,141

	Estimated Useful Lives (in Years)			September 30, 2023
					Gross Carrying Amount		Accumulated Amortization		Net
Trademarks/trade names	5	-	20		$	14,621	$	(6,973)		$	7,648
Technical library	20				400		(201)			199
Customer relationships	6	-	15		91,426		(43,065)			48,361
Non-competition arrangements	5				40		(40)			—
Backlog and construction contracts	1				4,958		(4,958)			—
Total intangible assets					$	111,445	$	(55,237)		$	56,208

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Leases (Tables)

3 Months Ended

Dec. 31, 2023

Leases [Abstract]

Lessee, Operating Lease, Liability, Maturity

The maturities of our lease liabilities as of December 31, 2023 are as follows:

	Operating Leases		Finance Leases		Total
Remainder of 2024	$	15,977	$	3,523	$	19,500
2025	17,902		4,468		22,370
2026	14,288		3,602		17,890
2027	10,202		1,799		12,001
2028	5,864		196		6,060
Thereafter	6,231		3		6,234
Total undiscounted lease payments	$	70,464	$	13,591	$	84,055
Less: imputed interest	7,943		1,299		9,242
Present value of lease liabilities	$	62,521	$	12,292	$	74,813

Lease, Cost

Lease cost recognized in our Condensed Consolidated Statements of Comprehensive Income is summarized as follows:

	Three Months Ended
	December 31, 2023		December 31, 2022
Operating lease cost	$	5,696	$	4,926
Finance lease cost
Amortization of lease assets	1,008		675
Interest on lease liabilities	184		150
Finance lease cost	1,192		825
Short-term lease cost	421		589
Variable lease cost	998		413
Total lease cost	$	8,307	$	6,753

Schedule of Cash Flow, Supplemental Disclosures

Other information about lease amounts recognized in our Condensed Consolidated Financial Statements is summarized as follows:

	Three Months Ended
	December 31, 2023		December 31, 2022
Operating cash flows used for operating leases	$	6,038	$	5,951
Operating cash flows used for finance leases	184		150
Right-of-use assets obtained in exchange for new operating lease liabilities	6,459		6,319
Right-of-use assets obtained in exchange for new finance lease liabilities	340		2,944

	December 31, 2023		September 30, 2023
Weighted-average remaining lease term - operating leases	4.3 years		4.5 years
Weighted-average remaining lease term - finance leases	3.2 years		3.4 years
Weighted-average discount rate - operating leases	5.2	%	5.1	%
Weighted-average discount rate - finance leases	6.2	%	6.0	%

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Business (Details)
$ in Thousands

3 Months Ended

Dec. 31, 2023

USD ($)

Accounting Policies [Abstract]

Redeemable Noncontrolling Interest, Equity, Redemption Value

$ 54,969

Accounting Standards Update and Change in Accounting Principle

In October 2021, the Financial Accounting Standards Board ("FASB") issued Accounting Standard Update No. 2021-08, Business Combinations (Topic 805): Accounting for Contract Assets and Contract Liabilities from Contracts with Customers (“ASU 2021-08”). This standard amends the existing guidance under ASC 805 to add contract assets and contract liabilities to the list of exceptions to the recognition and measurement principles that apply to business combinations. Under this standard, the acquirer of a business is expected to recognize and measure acquired contract assets and contract liabilities as if the acquirer entered into the original contract on the same date with the same terms in accordance with ASC 606 rather than at fair value on the date of acquisition. This update is effective for fiscal years beginning after December 15, 2022 and for interim periods within that year. We adopted this standard on October 1, 2023 using the prospective method. ASU 2021-08 will impact how we account for future business combinations.

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Controlling Shareholder (Details) - USD ($) $ in Thousands	Dec. 01, 2022	Nov. 30, 2022	Dec. 31, 2023
Risks and Uncertainties [Abstract]
ControllingShareholderOwnershipPercentage			57.00%
Related Party Transaction, Purchases from Related Party	$ 9	$ 8

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Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Sep. 30, 2023
Revenue Recognition and Deferred Revenue [Abstract]
Unbilled Receivables, Current	$ 5,347
Costs and estimated earnings in excess of billings	40,646		$ 48,620
Billings in excess of costs and estimated earnings	(126,962)		$ (103,771)
Contract with Customer, Liability, Revenue Recognized	77,964	$ 38,047
Performance Obligation Next 12 Months	872,321
Revenue, Remaining Performance Obligation, Amount	1,072,593
Disaggregation of Revenue [Line Items]
Revenues	634,444	574,874
Contract with Customer, Liability, Revenue Recognized	77,964	38,047
Commercial and Industrial [Member]
Disaggregation of Revenue [Line Items]
Revenues	84,952	60,267
Communications [Member]
Disaggregation of Revenue [Line Items]
Revenues	170,748	147,245
Infrastructure Solutions [Member]
Disaggregation of Revenue [Line Items]
Revenues	62,888	49,284
Residential [Member]
Disaggregation of Revenue [Line Items]
Revenues	315,856	318,078
Fixed-price Contract [Member]
Disaggregation of Revenue [Line Items]
Revenues	575,869	504,793
Fixed-price Contract [Member] | Commercial and Industrial [Member]
Disaggregation of Revenue [Line Items]
Revenues	73,910	51,895
Fixed-price Contract [Member] | Communications [Member]
Disaggregation of Revenue [Line Items]
Revenues	125,223	87,274
Fixed-price Contract [Member] | Infrastructure Solutions [Member]
Disaggregation of Revenue [Line Items]
Revenues	60,880	47,546
Fixed-price Contract [Member] | Residential [Member]
Disaggregation of Revenue [Line Items]
Revenues	315,856	318,078
Time-and-materials Contract [Member]
Disaggregation of Revenue [Line Items]
Revenues	58,575	70,081
Time-and-materials Contract [Member] | Commercial and Industrial [Member]
Disaggregation of Revenue [Line Items]
Revenues	11,042	8,372
Time-and-materials Contract [Member] | Communications [Member]
Disaggregation of Revenue [Line Items]
Revenues	45,525	59,971
Time-and-materials Contract [Member] | Infrastructure Solutions [Member]
Disaggregation of Revenue [Line Items]
Revenues	2,008	1,738
Time-and-materials Contract [Member] | Residential [Member]
Disaggregation of Revenue [Line Items]
Revenues	0	0
industrial Services [Member] | Infrastructure Solutions [Member]
Disaggregation of Revenue [Line Items]
Revenues	11,098	10,955
Custom Power Solutions [Member] | Infrastructure Solutions [Member]
Disaggregation of Revenue [Line Items]
Revenues	51,790	38,329
Single Family Contracts [Member] | Residential [Member]
Disaggregation of Revenue [Line Items]
Revenues	246,567	243,710
Multi Family and Other [Member] | Residential [Member]
Disaggregation of Revenue [Line Items]
Revenues	$ 69,289	$ 74,368

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Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Sep. 30, 2023
Debt Disclosure [Abstract]
Long-term debt	$ 0	$ 0
Letters of Credit Outstanding, Amount	5,606
Line of Credit Facility, Remaining Borrowing Capacity	142,489
Loans Payable to Bank, Noncurrent	0
Line of Credit Facility, Maximum Borrowing Capacity	$ 150,000

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Per Share Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Earnings Per Share [Abstract]
Undistributed Earnings (Loss) Available to Common Shareholders, Basic	$ 38,174	$ 23,336
Noncontrolling Interest, Change in Redemption Value	(2,782)	(3,055)
Undistributed Earnings (Loss) Allocated to Participating Securities, Basic	0	(11)
Net income (loss) attributable to IES Holdings, Inc.	$ 40,956	$ 26,402
Weighted Average Number of Shares Outstanding, Basic	20,199,587	20,242,114
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	235,561	206,921
Weighted Average Number of Shares Outstanding, Diluted	20,435,148	20,449,035
Earnings Per Share, Basic	$ 1.89	$ 1.15
Earnings Per Share, Diluted	$ 1.87	$ 1.14
Phantom Share Units (PSUs) [Member]
Earnings Per Share [Abstract]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	64,500	60,212
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	64,500	60,212

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Operating Segments (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Sep. 30, 2023
Segment Reporting Information [Line Items]
Cost of services	$ 490,640	$ 479,436
Gross profit	143,804	95,438
Selling, general and administrative expenses	85,850	67,768
Contingent consideration	35	69
Loss (gain) on sale of assets	(71)	(13,060)
Operating income (loss)	57,990	40,661
Depreciation and amortization expense	7,617	6,388
Capital expenditures	6,515	2,712
Total assets	1,042,019	896,816	$ 981,600
Revenues	634,444	574,874
Noncontrolling Interest, Change in Redemption Value	2,782	3,055
Commercial and Industrial [Member]
Segment Reporting Information [Line Items]
Cost of services	71,045	56,653
Gross profit	13,907	3,614
Selling, general and administrative expenses	6,847	5,689
Loss (gain) on sale of assets	15	(13,035)
Operating income (loss)	7,045	10,960
Depreciation and amortization expense	475	392
Capital expenditures	821	723
Total assets	101,621	79,548
Revenues	84,952	60,267
Communications [Member]
Segment Reporting Information [Line Items]
Cost of services	134,473	125,507
Gross profit	36,275	21,738
Selling, general and administrative expenses	14,901	12,297
Loss (gain) on sale of assets	(4)	0
Operating income (loss)	21,378	9,441
Depreciation and amortization expense	723	430
Capital expenditures	1,000	642
Total assets	215,475	203,500
Revenues	170,748	147,245
Infrastructure Solutions [Member]
Segment Reporting Information [Line Items]
Cost of services	44,697	38,817
Gross profit	18,191	10,467
Selling, general and administrative expenses	7,285	5,761
Contingent consideration		0
Loss (gain) on sale of assets	0	(19)
Operating income (loss)	10,906	4,725
Depreciation and amortization expense	1,227	1,354
Capital expenditures	1,151	639
Total assets	185,875	163,201
Revenues	62,888	49,284
Residential [Member]
Segment Reporting Information [Line Items]
Cost of services	240,425	258,459
Gross profit	75,431	59,619
Selling, general and administrative expenses	51,378	39,051
Contingent consideration	35	69
Loss (gain) on sale of assets	(82)	(6)
Operating income (loss)	24,100	20,505
Depreciation and amortization expense	4,962	4,144
Capital expenditures	3,364	708
Total assets	388,808	395,243
Revenues	315,856	318,078
Corporate Segment [Member]
Segment Reporting Information [Line Items]
Cost of services	0	0
Gross profit	0	0
Selling, general and administrative expenses	5,439	4,970
Contingent consideration		0
Loss (gain) on sale of assets	0	0
Operating income (loss)	(5,439)	(4,970)
Depreciation and amortization expense	230	68
Capital expenditures	179	0
Total assets	150,240	55,324
Revenues	$ 0	$ 0

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Stockholders' Equity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Sep. 30, 2023	Dec. 01, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common Stock, Shares Authorized	100,000,000		100,000,000
Treasury Stock Acquired, Average Cost Per Share		$ 30.97
Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation	12,422	19,142
Stock Repurchase Program, Authorized Amount				$ 40,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant	547,804
Treasury Stock Acquired, Average Cost Per Share		$ 30.97
Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation	12,422	19,142
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Payment Arrangement, Expense	$ 0	$ 25
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period		187
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period		187
Phantom Share Units (PSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Payment Arrangement, Expense	97	$ 97
us-gaap_PhantomShareUnitsPSUsMember_Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Payment Arrangement, Expense	$ 1,316	$ 783
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period	85,424
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period	2,535
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period	32,180
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number	376,533
Stock Issued During Period, Shares, Treasury Stock Reissued	32,180	71,013
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period	2,535
Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized	3,000,000.0
Repurchase Agreements [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Treasury Stock, Shares, Acquired	0	219,731

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Fair Value Measurements (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2023	Sep. 30, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	$ 851	$ 783
Debt Securities, Trading	4,501
Financial and Nonfinancial Liabilities, Fair Value Disclosure	(729)	(657)
Business Combination, Contingent Consideration, Liability, Noncurrent		(4,465)
Fair Value, Net Asset (Liability)	4,623	(4,339)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings	$ (35)
Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Contingent consideration
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements	$ (4,500)
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	851	783
Debt Securities, Trading	4,501
Financial and Nonfinancial Liabilities, Fair Value Disclosure	(729)	(657)
Fair Value, Net Asset (Liability)	4,623	126
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Business Combination, Contingent Consideration, Liability, Noncurrent	0	(4,465)
Fair Value, Net Asset (Liability)	$ 0	$ (4,465)

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Inventory (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Sep. 30, 2023
Inventory Disclosure [Abstract]
Inventory, Raw Materials, Gross	$ 14,348	$ 14,334
Inventory, Work in Process, Gross	12,895	12,939
Inventory, Finished Goods, Gross	5,689	3,399
Other Inventory, Gross	80,842	64,983
Inventory, Net	$ 113,774	$ 95,655

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Goodwill and Intangible Assets Goodwill (Details) $ in Thousands	3 Months Ended
	Dec. 31, 2023 USD ($)
Goodwill [Line Items]
Goodwill	$ 92,395
Goodwill	92,395
Goodwill, Period Increase (Decrease)	0
Commercial and Industrial [Member]
Goodwill [Line Items]
Goodwill	0
Goodwill	0
Residential [Member]
Goodwill [Line Items]
Goodwill	51,370
Goodwill	51,370
Infrastructure Solutions [Member]
Goodwill [Line Items]
Goodwill	38,209
Goodwill	38,209
Communications [Member]
Goodwill [Line Items]
Goodwill	2,816
Goodwill	$ 2,816

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Goodwill and Intangible Assets Intangibles (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Sep. 30, 2023
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 111,445	$ 111,445
Finite-Lived Intangible Assets, Accumulated Amortization	(58,304)	(55,237)
Intangible Assets, Net (Excluding Goodwill)	53,141	56,208
Trademarks and Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	14,621	14,621
Finite-Lived Intangible Assets, Accumulated Amortization	(7,349)	(6,973)
Intangible Assets, Net (Excluding Goodwill)	$ 7,272	$ 7,648
Trademarks and Trade Names [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	5 years	5 years
Trademarks and Trade Names [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	20 years	20 years
Technical Library
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	20 years	20 years
Finite-Lived Intangible Assets, Gross	$ 400	$ 400
Finite-Lived Intangible Assets, Accumulated Amortization	(206)	(201)
Intangible Assets, Net (Excluding Goodwill)	194	199
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	91,426	91,426
Finite-Lived Intangible Assets, Accumulated Amortization	(45,751)	(43,065)
Intangible Assets, Net (Excluding Goodwill)	$ 45,675	$ 48,361
Customer Relationships [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	6 years	6 years
Customer Relationships [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	15 years	15 years
Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	5 years	5 years
Finite-Lived Intangible Assets, Gross	$ 40	$ 40
Finite-Lived Intangible Assets, Accumulated Amortization	(40)	(40)
Intangible Assets, Net (Excluding Goodwill)	$ 0	$ 0
Backlog [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	1 year	1 year
Finite-Lived Intangible Assets, Gross	$ 4,958	$ 4,958
Finite-Lived Intangible Assets, Accumulated Amortization	(4,958)	(4,958)
Intangible Assets, Net (Excluding Goodwill)	$ 0	$ 0

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Commitments and Contingencies (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Sep. 30, 2023
Commitments and Contingencies Disclosure [Abstract]
Accrued Insurance, Current	$ 9,334	$ 7,726
Loss Contingencies [Line Items]
Letters of Credit Outstanding, Amount	5,606
Revenue, Remaining Performance Obligation, Amount	1,072,593
Estimated cost of completion of bonded projects	136,569
Estimated cost of completion of bonded projects	136,569
Purchase Commitment, Remaining Minimum Amount Committed	0
Insurance Related [Member]
Loss Contingencies [Line Items]
Letters of Credit Outstanding, Amount	$ 5,606	$ 4,166

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Leases (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Sep. 30, 2023
Leases [Abstract]
Operating Lease, Liability, Current	$ 20,184		$ 19,496
Finance Lease, Liability, Current	4,529		$ 4,301
Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months	15,977
Lessee, Operating Lease, Liability, Payments, Due Year Two	17,902
Lessee, Operating Lease, Liability, Payments, Due Year Three	14,288
Lessee, Operating Lease, Liability, Payments, Due Year Four	10,202
Lessee, Operating Lease, Liability, Payments, Due Year Five	5,864
Lessee, Operating Lease, Liability, Payments, Due after Year Five	6,231
Lessee, Operating Lease, Liability, Payments, Due	70,464
Lessee, Operating Lease, Liability, Undiscounted Excess Amount	7,943
Operating Lease, Liability	62,521
Finance Lease, Liability, Payments, Due Next Twelve Months	3,523
Finance Lease, Liability, Payments, Due Year Two	4,468
Finance Lease, Liability, Payments, Due Year Three	3,602
Finance Lease, Liability, Payments, Due Year Four	1,799
Finance Lease, Liability, Payments, Due Year Five	196
Finance Lease, Liability, Payments, Due after Year Five	3
Finance Lease, Liability, Payment, Due	13,591
Finance Lease, Liability, Undiscounted Excess Amount	1,299
Finance Lease, Liability	12,292
Lessee, Total Lease, Liability, Payments, Remainder of Fiscal Year [Line Items]	19,500
Total Lease, Liability, Payments, Year Two	22,370
Total Lease, Liability, Payments, Year Three	17,890
Total Lease, Liability, Payments, Year Four	12,001
Total Lease, Liability, Payments, Year Five	6,060
Total Lease, Liability, Payments, Due After Year Five	6,234
Total Lease, Liability, Payments Due	84,055
Total Lease, Liability, Undiscounted Excess Amount	9,242
Total Lease, Liability	74,813
Lessee, Operating Lease, Lease Not yet Commenced, Description	2,880
Operating Lease, Cost	5,696	$ 4,926
Finance Lease, Right-of-Use Asset, Amortization	1,008	675
Finance Lease, Interest Expense	184	150
Finance Lease, Cost	1,192	825
Short-term Lease, Cost	421	589
Variable Lease, Cost	998	413
Lease, Cost	8,307	6,753
Operating Lease, Payments	6,038	5,951
Finance Lease, Interest Payment on Liability	184	150
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	6,459	6,319
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability	$ 340	$ 2,944
Operating Lease, Weighted Average Remaining Lease Term	4 years 3 months 18 days		4 years 6 months
Finance Lease, Weighted Average Remaining Lease Term	3 years 2 months 12 days		3 years 4 months 24 days
Operating Lease, Weighted Average Discount Rate, Percent	5.20%		5.10%
Finance Lease, Weighted Average Discount Rate, Percent	6.20%		6.00%
Lessee, Lease, Description [Line Items]
Operating Lease, Liability, Current	$ 20,184		$ 19,496
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accounts payable and accrued expenses
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accounts payable and accrued expenses
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other non-current liabilities
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other non-current assets

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Discontinued Operations and Disposal Groups (Details) $ in Thousands		3 Months Ended		12 Months Ended
	Oct. 07, 2022	Dec. 31, 2023 business	Dec. 31, 2022 USD ($)	Sep. 30, 2023 business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal | $			$ 13,045
Sale of Stock, Percentage of Ownership before Transaction	100.00%
Number of Businesses Acquired | business		0		0