10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C.  20549

FORM 10-Q

☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended March 31, 2022

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:  0-18953

AAON, INC.

(Exact name of registrant as specified in its charter) 

	Nevada		87-0448736
	(State or other jurisdiction		(IRS Employer
	of incorporation or organization)		Identification No.)
	2425 South Yukon Ave.,	Tulsa,	Oklahoma	74107
(Address of principal executive offices) (Zip Code)

(918) 583-2266

(Registrant's telephone number, including area code)

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 and posted 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 and post 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 definition of "large accelerated filer", "accelerated filer", "small 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 ☑

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

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock	AAON	NASDAQ

As of May 2, 2022, registrant had outstanding a total of 53,071,178 shares of its $.004 par value Common Stock.

PART I – FINANCIAL INFORMATION

Item 1. Financial Statements.

AAON, Inc. and Subsidiaries
Consolidated Balance Sheets
(Unaudited)
	March 31, 2022		December 31, 2021
Assets	(in thousands, except share and per share data)
Current assets:
Cash and cash equivalents	$	5,633	$	2,859
Restricted cash	595		628
Accounts receivable, net of allowance for credit losses of $837 and $549, respectively	113,736		70,780
Income tax receivable	2,092		5,723
Inventories, net	146,091		130,270
Contract assets	10,001		5,749
Prepaid expenses and other	5,548		2,071
Total current assets	283,696		218,080
Property, plant and equipment:
Land	5,016		5,016
Buildings	139,089		135,861
Machinery and equipment	326,306		318,259
Furniture and fixtures	23,817		23,072
Total property, plant and equipment	494,228		482,208
Less:  Accumulated depreciation	227,858		224,146
Property, plant and equipment, net	266,370		258,062
Intangible assets, net	67,310		70,121
Goodwill	81,892		85,727
Right of use assets	16,862		16,974
Other long-term assets	1,328		1,216
Total assets	$	717,458	$	650,180
Liabilities and Stockholders' Equity
Current liabilities:
Accounts payable	$	35,796	$	29,020
Accrued liabilities	52,890		50,206
Contract liabilities	25,540		7,542
Total current liabilities	114,226		86,768
Revolving credit facility, long-term	65,000		40,000
Deferred tax liabilities	32,966		31,993
Other long-term liabilities	18,693		18,843
New market tax credit obligation (a)	6,417		6,406
Commitments and contingencies
Stockholders' equity:
Preferred stock, $.001 par value, 5,000,000 shares authorized, no shares issued	—		—
Common stock, $.004 par value, 100,000,000 shares authorized, 53,065,081 and 52,527,985 issued and outstanding at March 31, 2022 and December 31, 2021, respectively	212		210
Additional paid-in capital	77,574		81,654
Retained earnings	402,370		384,306
Total stockholders' equity	480,156		466,170
Total liabilities and stockholders' equity	$	717,458	$	650,180
(a) Held by variable interest entities (Note 17)

The accompanying notes are an integral part of these consolidated financial statements.

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AAON, Inc. and Subsidiaries
Consolidated Statements of Income
(Unaudited)
	Three Months Ended   March 31,
	2022		2021
	(in thousands, except share and per share data)
Net sales	$	182,771	$	115,788
Cost of sales	136,707		82,631
Gross profit	46,064		33,157
Selling, general and administrative expenses	23,056		14,696
Gain on disposal of assets	(2)		—
Income from operations	23,010		18,461
Interest (expense) income, net	(190)		3
Other income, net	21		17
Income before taxes	22,841		18,481
Income tax provision	4,782		2,105
Net income	$	18,059	$	16,376
Earnings per share:
Basic	$	0.34	$	0.31
Diluted	$	0.33	$	0.30
Weighted average shares outstanding:
Basic	52,613,232		52,293,464
Diluted	53,950,995		53,814,644

The accompanying notes are an integral part of these consolidated financial statements.

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AAON, Inc. and Subsidiaries
Consolidated Statements of Stockholders' Equity
(Unaudited)
	Three Months Ended March 31, 2022
	Common Stock			Paid-in		Retained
	Shares	Amount		Capital		Earnings		Total
	(in thousands)
Balances at December 31, 2021	52,528	$	210	$	81,654	$	384,306	$	466,170
Net income	—	—		—		18,059		18,059
Stock options exercised, restricted stock awards	605	2		2,890		—		2,892
granted, and contingent shares issued (Note 16)
Share-based compensation	—	—		3,112		—		3,112
Stock repurchased and retired	(68)	—		(4,082)		—		(4,082)
Contingent consideration (Note 3)	—	—		(6,000)		—		(6,000)
Refund for cancelled cash dividends	—	—		—		5		5
Balances at March 31, 2022	53,065	$	212	$	77,574	$	402,370	$	480,156
	Three Months Ended March 31, 2021
	Common Stock			Paid-in		Retained
	Shares	Amount		Capital		Earnings		Total
	(in thousands)
Balances at December 31, 2020	52,225	$	209	$	5,161	$	345,495	350,865
Net income	—	—		—		16,376		16,376
Stock options exercised and restricted	286	2		9,436		—		9,438
stock awards granted
Share-based compensation	—	—		2,761		—		2,761
Stock repurchased and retired	(87)	(1)		(6,401)		—		(6,402)
Balances at March 31, 2021	52,424	$	210	$	10,957	$	361,871	$	373,038

The accompanying notes are an integral part of these consolidated financial statements.

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AAON, Inc. and Subsidiaries
Consolidated Statements of Cash Flows
(Unaudited)
	Three Months Ended   March 31,
	2022		2021
Operating Activities	(in thousands)
Net income	$	18,059	$	16,376
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Depreciation and amortization	7,076		7,398
Amortization of debt issuance cost	11		10
Amortization of right of use assets	67		—
Provision for (recovery of) credit losses on accounts receivable, net of adjustments	288		(13)
Provision for (recovery of) excess and obsolete inventories	220		(194)
Share-based compensation	3,112		2,761
Gain on disposition of assets	(2)		—
Foreign currency transaction gain	(9)		(8)
Interest income on note receivable	(6)		(6)
Deferred income taxes	973		4,658
Changes in assets and liabilities:
Accounts receivable	(43,244)		(5,179)
Income tax receivable	3,631		(2,766)
Inventories	(16,041)		(1,627)
Contract assets	(4,252)		—
Prepaid expenses and other	(3,588)		108
Accounts payable	6,325		4,904
Contract liabilities	17,998		—
Deferred revenue	68		2,358
Accrued liabilities	2,511		58
Net cash (used in) provided by operating activities	(6,803)		28,838
Investing Activities
Capital expenditures	(14,031)		(16,404)
Cash paid in business combination, net of cash acquired	(249)		—
Proceeds from sale of property, plant and equipment	2		—
Principal payments from note receivable	14		14
Net cash used in investing activities	(14,264)		(16,390)
Financing Activities
Borrowings under revolving credit facility	25,000		—
Stock options exercised	2,890		9,438
Repurchase of stock	(3,278)		(5,185)
Employee taxes paid by withholding shares	(804)		(1,217)
Net cash provided by financing activities	23,808		3,036
Net increase in cash, cash equivalents and restricted cash	2,741		15,484
Cash, cash equivalents and restricted cash, beginning of period	3,487		82,288
Cash, cash equivalents and restricted cash, end of period	$	6,228	$	97,772

The accompanying notes are an integral part of these consolidated financial statements.

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AAON, Inc. and Subsidiaries

Notes to the Consolidated Financial Statements

(Unaudited)

1. General

Basis of Presentation

AAON, Inc. is a Nevada corporation which was incorporated on August 18, 1987. Our operating subsidiaries include AAON, Inc., an Oklahoma corporation, AAON Coil Products, Inc., a Texas corporation, and BasX, Inc. (dba BasX Solutions), an Oregon corporation (collectively, the “Company”). The accompanying unaudited consolidated financial statements of AAON, Inc. and our operating subsidiaries, all of which are wholly-owned, have been prepared in accordance with U.S. generally accepted accounting principles (“U.S. GAAP”) for interim financial information and with the rules and regulations of the Securities and Exchange Commission (“SEC”).

On December 10, 2021, we closed on the acquisition of all of the issued and outstanding equity ownership of BasX, LLC, doing business as BasX Solutions ("BasX") (Note 3). We began including the results of BasX’s operations in our consolidated financial statements on December 11, 2021. On December 29, 2021, BasX, LLC converted to a C-Corporation, BasX, Inc., and is subject to income tax.

Our financial statements consolidate all of our affiliated entities in which we have a controlling financial interest. Because we hold certain rights that give us the power to direct the activities of two variable interest entities ("VIEs") (Note 17) that most significantly impact the VIEs economic performance, combined with a variable interest that gives us the right to receive potentially significant benefits or the obligation to absorb potentially significant losses, we have a controlling financial interest in those VIEs.

These financial statements have not been audited by the Company's independent registered public accounting firm, except that the consolidated balance sheet at December 31, 2021 is derived from audited consolidated financial statements. Accordingly, they do not include all of the information and notes required by U.S. GAAP for complete financial statements. The financial statements reflect all adjustments (all of which are of a normal recurring nature) which are, in the opinion of management, necessary for a fair statement of the results for the interim periods presented. Interim results are not necessarily indicative of the results that may be expected for a full year. Certain disclosures have been condensed in or omitted from these consolidated financial statements. The accompanying unaudited financial statements should be read in conjunction with the consolidated financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2021. All intercompany balances and transactions have been eliminated in consolidation.

We are engaged in the engineering, manufacturing, marketing, and sale of premium air conditioning and heating equipment consisting of standard, semi-custom, and custom rooftop units, data centers cooling solutions, cleanroom systems, chillers, packaged outdoor mechanical rooms, air handling units, makeup air units, energy recovery units, condensing units, geothermal/water-source heat pumps, coils, and controls.

Use of Estimates

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Because these estimates and assumptions require significant judgment, actual results could differ from those estimates and could have a significant impact on our results of operations, financial position and cash flows. We reevaluate our estimates and assumptions as needed, but at a minimum on a quarterly basis. The most significant estimates include, but are not limited to, inventory reserves, warranty accrual, worker's compensation accrual, medical insurance accrual, income taxes, useful lives of property, plant, and equipment, and share-based compensation. Actual results could differ materially from those estimates.

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Change in Estimate

During the first quarter of 2022, a review of the Company’s useful lives for certain sheet metal manufacturing equipment at our Longview, Texas location resulted in a change in estimate that increased the useful lives from between ten and twelve years to fifteen years. This determination was based on recent and estimated future production levels as well as management’s knowledge of the equipment and historical and future use of the equipment. The change in estimate was made prospectively and resulted in a decrease to depreciation expense within cost of sales on our consolidated statements of income of $1.8 million during the three months ended March 31, 2022.

Impact of COVID-19 Pandemic

The magnitude of the impact of COVID-19 remains unpredictable and we, therefore, continue to anticipate potential supply chain disruptions, employee absenteeism, and additional health and safety costs related to the COVID-19 pandemic that could unfavorably impact our business.

We had continuous operations during the three months ended March 31, 2022. Additional precautions have been taken to social distance workers that work in close environments and we have facilitated voluntary on-site COVID-19 vaccine clinics. The Company also utilizes sanitation stations and performs additional cleaning and sanitation throughout the day.

Although future disruptions and costs are expected to be temporary, there is significant uncertainty around the duration and overall impact to our business operations. We are continually monitoring the progression of the pandemic, including new COVID-19 variants, and its potential effect on our financial position, results of operations and cash flows.

Inflation and Labor Market

We have witnessed increases of our raw material prices, especially in copper and steel, which appear to be a residual effect of COVID-19, and we continue to make strategic purchases of materials when we see opportunities. We have managed the increase in the cost of raw materials through price increases for our products. We have also experienced supply chain challenges related to specific manufacturing parts, which we have managed through our strong existing vendor relationships, expanding our list of vendors, and our favorable liquidity position.

Additionally, we continue to experience challenges in a tight labor market, especially the hiring of both skilled and unskilled production labor. In July 2021, we increased starting wages for our production workforce by 7.0%. We also put a cost of living increase of 3.5% in place in October 2021 for all employees below the Director level. In March 2022, we awarded annual merit raises resulting in a 3.0% increase in overall wages. We will continue to implement human resource initiatives to retain and attract labor to further improve productivity and production efficiencies.

Despite efforts to mitigate the impact of inflation, supply chain issues, and the tight labor market, future disruptions, while temporary, could negatively impact our financial position, results of operations and cash flows.

First Quarter 2021 Planned Maintenance and Adverse Weather

During the fourth quarter of 2020, we made the strategic decision to shut down our Tulsa, OK and Longview, TX manufacturing facilities to perform planned and necessary maintenance during the last week of December 2020 as well several days in early January 2021.

In February 2021, record-breaking winter storms affected Oklahoma and Texas, causing sustained below freezing temperatures, hazardous driving conditions, rolling blackouts, water main breaks, and a host of other weather related issues. In addition to significant absenteeism as a result of employees being unable to travel to and from work due to inadequate transportation and/or hazardous road conditions, the Company made the decision to shut down the Tulsa, OK and Longview, TX plants for several days. This decision was based on the expected employee absenteeism as well as the expected rolling blackouts caused by the increased demand on the electrical and natural gas power grids.

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Accounting Policies

A comprehensive discussion of our critical accounting policies and management estimates is included in Management’s Discussion and Analysis of Financial Condition and Results of Operations in our Annual Report on Form 10-K for the year ended December 31, 2021.

Fair Value Measurements

The carrying amounts of cash and cash equivalents, receivables, accounts payable, and accrued liabilities approximate fair value because of the short-term maturity of the items. The carrying amount of the Company’s revolving line of credit, and other payables, approximate their fair values either due to their short term nature, the variable rates associated with the debt, or based on current rates offered to the Company for debt with similar characteristics.

Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability (an exit price) in an orderly transaction between market participants at the measurement date. Fair value is based upon assumptions that market participants would use when pricing an asset or liability. We use the following fair value hierarchy, which prioritizes valuation technique inputs used to measure fair value into three broad levels:

•Level 1: Quoted prices in active markets for identical assets and liabilities that we have the ability to access at the measurement date.

•Level 2: Inputs (other than quoted prices included within Level 1) that are either directly or indirectly observable for the asset or liability, including (i) quoted prices for similar assets or liabilities in active markets, (ii) quoted prices for identical or similar assets or liabilities in inactive markets, (iii) inputs other than quoted prices that are observable for the asset or liability, and (iv) inputs that are derived from observable market data by correlation or other means.

•Level 3: Unobservable inputs for the asset or liability including situations where there is little, if any, market activity for the asset or liability. Items categorized in Level 3 include the estimated fair values of property, plant and equipment, intangible assets, contingent consideration, and goodwill acquired in a business combination.

The fair value hierarchy gives the highest priority to quoted prices in active markets (Level 1) and the lowest priority to unobservable inputs (Level 3). In some cases, the inputs used to measure fair value might fall into different levels of the fair value hierarchy. The lowest level input that is significant to a fair value measurement determines the applicable level in the fair value hierarchy. Assessing the significance of a particular input to a fair value measurement requires judgment, considering factors specific to the asset or liability.

Definite-Lived Intangible Assets

Our definite-lived intangible assets include various trademarks, service marks, and technical knowledge acquired in business combinations (Note 3). We evaluate the carrying value of our amortizable intangible assets for potential impairment when events and circumstances warrant such a review. 

Amortization is computed using the straight-line method over the following estimated useful lives:

Intellectual property	30 years
Customer relationships	14 years

Goodwill and Indefinite-Lived Intangible Assets

Goodwill represents the excess of the consideration paid for the acquired businesses over the fair value of the individual assets acquired, net of liabilities assumed. At March 31, 2022 $50.3 million of goodwill is deductible for income tax purposes. Our indefinite-lived intangible assets consist of trademark and trade names. Goodwill and indefinite-lived intangible assets are not amortized, but instead are evaluated for impairment at least annually. We perform our annual assessment of impairment during the fourth quarter of our fiscal year, and more frequently if circumstances warrant.

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Recent Accounting Pronouncements

Changes to U.S. GAAP are established by the Financial Accounting Standards Board ("FASB") in the form of Accounting Standards Updates ("ASUs") to the FASB's Accounting Standards Codification ("ASC"). We consider the applicability and impact of all ASUs. ASUs not listed or included within the Company's Annual Report on Form 10-K for the year ended December 31, 2021, were assessed and determined to be either not applicable or are expected to have minimal impact on our consolidated financial statements and notes thereto.

2.  Revenue Recognition

The following tables show disaggregated net sales by reportable segment (see Note 20) by major source, net of intercompany sales eliminations. As the BasX segment was not applicable during the three months ended March 31, 2021, this segment has been excluded from the table for that period.

	Three Months Ended March 31, 2022
	AAON Oklahoma		AAON Coil Products		BasX		Total
	(in thousands)
Rooftop Units	$	121,706	$	—	$	—	$	121,706
Condensing Units	242		8,976		—		9,218
Air Handlers	—		9,438		1,339		10,777
Outdoor Mechanical Rooms	554		110		—		664
Cleanroom Systems	—		—		8,039		8,039
Data Center Cooling Solutions	—		—		10,868		10,868
Water-Source Heat Pumps	2,986		2,353		—		5,339
Part Sales	10,216		—		—		10,216
Other2	4,163		1,058		723		5,944
	$	139,867	$	21,935	$	20,969	$	182,771
	Three Months Ended March 31, 2021
	AAON Oklahoma		AAON Coil Products		BasX1		Total
	(in thousands)
Rooftop Units	$	87,425	$	—	—		$	87,425
Condensing Units	249		6,282		—		6,531
Air Handlers	—		6,414		—		6,414
Outdoor Mechanical Rooms	63		148		—		211
Water-Source Heat Pumps	2,388		2,277		—		4,665
Part Sales	7,506		—		—		7,506
Other2	2,345		691		—		3,036
	$	99,976	$	15,812	—		$	115,788
1 BasX was acquired by the Company on December 10, 2021.
2 Other sales include freight, extended warranties and miscellaneous revenue.

Due to the highly customized nature of many of the Company’s products and each product not having an alternative use to the Company without significant costs to the Company, the Company recognizes revenue over time as progress is made toward satisfying the performance obligations of each contract. The Company has formal cancellation policies and generally does not accept returns on these units. As a result, many of the Company’s products do not have an alternative use and therefore, for these products we recognize revenue over the time it takes to produce the unit. The Company measures a contract’s progress on

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the basis of the ratio that costs incurred bear to estimated total costs using the input method because, in the Company’s view, such method best depicts the progress toward completion.

Contract costs include direct materials, direct labor, installation, freight and delivery, commissions and royalties. Other costs not related to contract performance, such as indirect labor and materials, small tools and supplies, operating expenses, field rework and back charges are charged to expense as incurred. Provisions for estimated losses on contracts in progress are made in the period in which such losses are determined. Changes in job performance, job conditions, and estimated profitability, including those arising from contract penalty provisions and final contract settlements, may result in revisions to costs and income, and are estimated and recognized by the Company throughout the life of the contract. The aggregate of costs incurred and income recognized on uncompleted contracts in excess of billings is shown as a contract asset within our consolidated balance sheets, and the aggregate of billings on uncompleted contracts in excess of related costs incurred and income recognized is shown as a contract liability within our consolidated balance sheets.

For all other products that are part sales or standardized units, the Company recognizes revenue, presented net of sales tax, when it satisfies the performance obligation in its contracts. As the primary performance obligation in such a contract is delivery of the requested manufactured equipment, we satisfy the performance obligation when the control is passed to the customer, generally at time of shipment. Final sales prices are fixed based on purchase orders.

Sales allowances and customer incentives are treated as reductions to sales and are provided for based on historical experiences and current estimates. Sales of our products are moderately seasonal with the peak period being May-October of each year.

Product Warranties

The Company also sells extended warranties on parts for various lengths of time ranging from six months to 10 years. Revenue for these separately priced warranties is deferred and recognized on a straight-line basis over the separately priced warranty period.

Representatives and Third Party Products

We are responsible for billings and collections resulting from all sales transactions, including those initiated by our independent manufacturer representatives (“Representatives”). Representatives are national companies that are in the business of providing HVAC units and other related products and services to customers. The end user customer orders a bundled group of products and services from the Representative and expects the Representative to fulfill the order. These additional products and services may include controls purchased from another manufacturer to operate the unit, start-up services, and curbs for supporting the unit (“Third Party Products”). All are associated with the purchase of a HVAC unit but may be provided by the Representative or another third party. Only after the specifications are agreed to by the Representative and the customer, and the decision is made to use an AAON HVAC unit, will we receive notice of the order. We establish the amount we must receive for our HVAC unit (“minimum sales price”), but do not control the total order price that is negotiated by the Representative with the end user customer. The Representatives submit the total order price to us for invoicing and collection. The total order price includes our minimum sales price and an additional amount which may include both the Representatives’ fee and amounts due for additional products and services required by the customer. The Company is considered the principal for the equipment we design and manufacture and records that revenue. The Company has no control over the Third Party Products to the end customer and the Company is under no obligation related to the Third Party Products. Amounts related to Third Party Products are not recognized as revenue but are recorded as a liability and are included in accrued liabilities on the consolidated balance sheet.

The Representatives’ fee and Third Party Products amounts (“Due to Representatives”) are paid only after all amounts associated with the order are collected from the customer. The amount of payments to our Representatives were $6.5 million and $11.0 million for the three months ended March 31, 2022 and 2021, respectively.

3. Business Combination

On November 18, 2021, the Company entered into a membership interest purchase agreement (the “MIPA Agreement”) to acquire of all of the issued and outstanding equity ownership of BasX, LLC, an Oregon limited liability company, doing business as BasX Solutions. We closed this transaction on December 10, 2021 for a purchase price of (i) $100.0 million payable in cash (not including working capital adjustments), and (ii) up to $80.0 million in the aggregate of contingent consideration payable in shares of the Company's stock, par value $0.004 per share (the "Shares").

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The $80.0 million of contingent consideration payable consists of $78.0 million payable to the former owners of BasX and $2.0 million payable to key employees of BasX whom are now employed by the Company. The potential future issuance of the Shares is contingent upon BasX meeting certain post-closing earn-out milestones during each of 2021, 2022, and 2023 under the terms of the MIPA Agreement. The Company funded the BasX acquisition cash portion of the purchase price and related transaction costs with cash on hand.

Additionally, as a condition to closing, the Company entered into a real estate purchase agreement with BasX Properties, LLC, an affiliate of BasX, to acquire the principal real property and improvements utilized by BasX for an additional $22.0 million, subject to customary closing conditions and adjustments. The Company expects this real estate transaction to close by the end of the second quarter of 2022.

BasX specializes in the design, engineering and manufacturing of custom, energy efficient cooling solutions for the rapidly growing hyperscale data center market. BasX also designs and manufactures custom solutions for cleanroom environments for the bio-pharmaceutical, semiconductor, medical and agriculture markets, as well as custom, energy efficient air handlers and modular solutions for a vast array of markets. The acquisition of BasX brings the Company exposure to attractive end-markets into which the Company has historically had minimal exposure. The products BasX manufactures are highly engineered, customized products, fully complimenting AAON's existing business.

We applied pushdown accounting, allowable under ASC 805 "Business Combinations," to "pushdown" our stepped-up basis in the assets acquired and liabilities assumed to BasX's subsidiary financial statements. The decision to apply pushdown accounting is irrevocable. Goodwill was calculated and recognized consistent with acquisition accounting, resulting in the pushdown of $78.7 million in goodwill.

The following table presents the revised allocation of the consideration paid to the assets acquired and liabilities assumed in the acquisition of BasX described above, which was still preliminary at December 31, 2021. The revisions indicated below were recorded during the three months ended March 31, 2022. The revisions were the results of updates to our preliminary estimates and third party valuation models. The impact of such revisions on net income for prior periods was not significant.

	Revised Allocation as of March 31, 2022		Estimated Allocation as of December 31, 2021		Revision
			(in thousands)
Accounts receivable	$	13,699	$	13,699	$	—
Inventories	2,725		2,725		—
Contract assets	7,635		7,635		—
Prepaid expenses and other	341		341		—
Property, plant and equipment	13,169		13,169		—
Right of use assets	15,611		15,611		—
Intangible assets	68,413		70,329		(1,916)
Goodwill	78,663		82,498		(3,835)
Accounts payable	(9,388)		(9,388)		—
Accrued liabilities	(3,807)		(3,807)		—
Contract liabilities	(7,771)		(7,771)		—
Lease liabilities	(15,611)		(15,611)		—
Contingent Consideration - shares of AAON, Inc.	(60,000)		(66,000)		6,000
Consideration paid	$	103,679	$	103,430	$	249

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The Company recognized the following definite and indefinite-lived intangible assets as part of the acquisition of BasX:

	Revised Allocation as of March 31, 2022		Estimated Allocation as of December 31, 2021		Revision
			(in thousands)
Definite-lived intangible assets
Intellectual property	$	6,295	$	6,479	$	(184)
Customer relationships	47,547		48,684		(1,137)
	53,842		55,163		(1,321)
Indefinite-lived intangible assets
Trademarks	14,571		15,166		(595)
Total intangible assets acquired	$	68,413	$	70,329	$	(1,916)

Goodwill is the excess of the consideration paid for the acquired businesses over the fair value of the individual assets acquired, net of liabilities assumed. Goodwill represents a premium paid to acquire the skilled workforce and expanded market opportunities. Goodwill of $47.1 million is tax deductible upon close of the acquisition. Future additional amounts of goodwill related to the contingent consideration may become tax deductible in the future if the earn out provisions of the MIPA Agreement are achieved.

Pro Forma Results of Operations (unaudited)

The operations of BasX have been included in our statements of income since the closing date on December 10, 2021. The following unaudited pro forma consolidated results of operations for the three months ended March 31, 2021 are presented as if the combination had been made on January 1, 2021.

	(unaudited)
	Three months ended
	March 31, 2021
	(in thousands, except per share data)
Revenues	$	130,631
Net income	16,972
Earnings per share:
Basic	$	0.32
Dilutive	$	0.32

These unaudited pro forma results include adjustments necessary in connection with the acquisition.

The unaudited consolidated pro forma financial information was prepared in accordance with GAAP and is not necessarily indicative of the results of operations that would have occurred if the acquisition had been completed on the date indicated, nor is it indicative of the future operating results of the Company.

The unaudited pro forma results do not reflect events that either have occurred or may occur after the acquisition date, including, but not limited to, the anticipated realization of operating synergies in subsequent periods. These results also do not give effect to certain charges that the Company expects to incur in connection with the acquisition, including, but not limited to, additional professional fees and employee integration.

4. Leases

All of our leases are classified as operating leases. As our leases do not provide an implicit interest rate, we use our incremental borrowing rate based on the information available at the commencement date in determining the present value of lease

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payments. Our incremental borrowing rate represents the interest rate which we would pay to borrow, on a collateralized basis, an amount equal to the lease payments over a similar term in a similar economic environment.

We have entered into various short-term operating leases with an initial term of twelve months or less. We have elected the short-term lease measurement and recognition exemption which does not require balance sheet presentation these short-term leases. The rent expense for these short-term leases is not significant.

The Company’s leases generally require us to pay for insurance, taxes, utilities, and other operating costs. These payments are not included in the right-of-use asset or lease liability and are expensed as incurred.

Through the acquisition of BasX (Note 3), we acquired various leases for plant/office space and equipment. We also lease the plant/office space used by our operations in Parkville, MO. Expense related to these leases is recognized on straight-line basis over the lease term. Certain of our leases contain escalating lease payments based on predefined increases. Most leases contain options to renew or terminate. Right-of-use assets and lease liabilities reflect only the options which the Company is reasonably certain to exercise.

At March 31, 2022, we had operating lease right-of-use assets of $16.9 million, current and noncurrent operating lease obligations of $1.7 million and $15.3 million within accrued liabilities and other long-term liabilities, respectively, on our consolidated balance sheets. At December 31, 2021, we had operating lease right-of-use assets of $17.0 million and current and noncurrent operating lease obligations of $1.6 million and $15.5 million within accrued liabilities and other long-term liabilities, respectively, on our consolidated balance sheets.

5.  Accounts Receivable

Accounts receivable and the related allowance for credit losses are as follows:

 

	March 31, 2022		December 31, 2021
	(in thousands)
Accounts receivable	$	114,573	$	71,329
Less:  Allowance for credit losses	(837)		(549)
Total, net	$	113,736	$	70,780

 

	Three Months Ended
	March 31, 2022		March 31, 2021
Allowance for credit losses:	(in thousands)
Balance, beginning of period	$	549	$	506
Provisions for (recoveries of) expected credit	288		(13)
losses, net of adjustments
Balance, end of period	$	837	$	493

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6.  Inventories

Inventories are valued at the lower of cost or net realizable value. Cost is determined by the first-in, first-out (“FIFO”) method. We establish an allowance for excess and obsolete inventories based on product line changes, the feasibility of substituting parts and the need for supply and replacement parts.

The components of inventories and related changes in the allowance for excess and obsolete inventories account are as follows:

	March 31, 2022		December 31, 2021
	(in thousands)
Raw materials	$	140,424	$	124,480
Work in process	3,003		3,049
Finished goods	4,671		4,528
Total, gross	148,098		132,057
Less:  Allowance for excess and obsolete inventories	(2,007)		(1,787)
Total, net	$	146,091	$	130,270

	Three Months Ended
	March 31, 2022		March 31, 2021
Allowance for excess and obsolete inventories:	(in thousands)
Balance, beginning of period	$	1,787	$	3,261
Provision for (recovery of) excess and	220		(194)
obsolete inventories
Inventories written off	—		(763)
Balance, end of period	$	2,007	$	2,304

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7.  Intangible assets

Our intangible assets consist of the following:

	March 31, 2022		December 31, 2021
Definite-lived intangible assets	(in thousands)
Intellectual property	$	6,295	$	6,479
Customer relationships	47,547		48,684
Less:  Accumulated amortization	(1,103)		(208)
Total, net	52,739		54,955
Indefinite-lived intangible assets
Trademarks	14,571		15,166
Total intangible assets, net	$	67,310	$	70,121

Amortization expense recorded in cost of sales is as follows:

	Three Months Ended
	March 31, 2022		March 31, 2021
	(in thousands)
Amortization expense	$	895	$	38

Excluding the impact of any future acquisitions, the Company anticipates amortization expense to be $3.6 million for each of the years ended 2022 through 2026.

8.  Supplemental Cash Flow Information

 

	Three Months Ended
	March 31, 2022		March 31, 2021
Supplemental disclosures:	(in thousands)
Interest paid	$	115	$	—
Income taxes paid	$	176	$	213
Non-cash investing and financing activities:
Non-cash capital expenditures	$	458	$	264

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9.  Warranties

The Company has product warranties with various terms ranging from one year from the date of first use or 18 months for parts, data center cooling solutions, and cleanroom systems to 25 years for certain heat exchangers. The Company has an obligation to replace parts if conditions under the warranty are met. A provision is made for estimated warranty costs at the time the related products are sold based upon the warranty period, historical trends, new products, and any known identifiable warranty issues.  

Changes in the warranty accrual are as follows:

	Three Months Ended
	March 31, 2022		March 31, 2021
Warranty accrual:	(in thousands)
Balance, beginning of period	$	13,769	$	13,522
Payments made	(1,219)		(1,464)
Provisions	1,157		1,467
Balance, end of period	$	13,707	$	13,525
Warranty expense:	$	1,157	$	1,467

10.  Accrued Liabilities and Other Long-Term Liabilities

Accrued liabilities were comprised of the following:

	March 31, 2022		December 31, 2021
	(in thousands)
Warranty	$	13,707	$	13,769
Due to representatives	13,453		7,995
Payroll	7,601		8,423
Profit sharing	2,670		1,489
Worker's compensation	261		308
Medical self-insurance	1,208		1,943
Customer prepayments	2,870		5,931
Donations	453		438
Employee vacation time	5,000		4,362
Operating lease liability, short-term	1,683		1,580
Other	3,984		3,968
Total	$	52,890	$	50,206

Other long-term liabilities were comprised of the following:

 

	March 31, 2022		December 31, 2021
	(in thousands)
Long-term operating lease obligation	$	15,320	$	15,467
Long-term donations	221		334
Extended warranties	3,152		3,042
Total	$	18,693	$	18,843

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11.  Revolving Credit Facility

On November 24, 2021, we amended our revolving credit facility (“Revolver”), to provide for maximum borrowings of $100.0 million, with an option to increase to maximum borrowing of $200.0 million. As of March 31, 2022 and December 31, 2021, we had $65.0 million and $40.0 million outstanding under the Revolver, respectively. We have one standby letter of credit totaling $0.8 million as of March 31, 2022. Borrowings available under the Revolver at March 31, 2022 were $34.2 million.  The Revolver expires on November 24, 2026.

Any outstanding loans under the Revolver bear interest at the daily compounded secured overnight financing rate ("SOFR") plus the applicable margin. Applicable margin, ranging from 1.25% - 1.75%, is determined quarterly based on the Company's leverage ratio. The Company is also subject to letter of credit fees, ranging from 1.25% - 1.75%, and a commitment fee, ranging from 0.10% - 0.20%. The applicable fee percentage is determined quarterly based on the Company's leverage ratio. As of and for the three months ended March 31, 2022, the weighted average interest rate of our the Revolver was 1.3%. Fees associated with the unused portion of the committed amount are included in interest expense on our consolidated statements of income and were not material for the three months ended March 31, 2022.

If SOFR cannot be determined pursuant to the definition, as defined by the Revolver agreement, any outstanding effected loans will be deemed to have been converted into alternative base rate ("ABR") loans. ABR loans would bear interest at a rate per annum equal to the highest of (a) the Prime Rate in effect on such day, (b) the Federal Funds Rate in effect on such day plus 0.50%, or (c) daily simple SOFR for a one-month tenor in effect on such day plus 1.00%.

At March 31, 2022, we were in compliance with our financial covenants, as defined by the Revolver. These covenants require that we meet certain parameters related to our leverage ratio. At March 31, 2022, our leverage ratio was 0.63 to 1.0, which meets the requirement of not being above 3 to 1.

12.  Income Taxes

The provision (benefit) for income taxes consists of the following:

	Three Months Ended
	March 31, 2022		March 31, 2021
	(in thousands)
Current	$	3,809	$	(2,553)
Deferred	973		4,658
Income tax provision	$	4,782	$	2,105

The provision for income taxes differs from the amount computed by applying the Federal statutory income tax rate before the provision for income taxes.

The reconciliation of the Federal statutory income tax rate to the effective income tax rate is as follows:

	Three Months Ended
	March 31, 2022		March 31, 2021
Federal statutory rate	21.0	%	21.0	%
State income taxes, net of Federal benefit	3.0		7.5
Excess tax benefits	(2.2)		(15.8)
Return to provision adjustments	—		(0.4)
Other	(0.9)		(0.9)
Effective tax rate	20.9	%	11.4	%

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On May 21, 2021, the State of Oklahoma enacted House Bill 2960, effectively reducing the corporate income tax rate in Oklahoma from 6% to 4%. This resulted in an overall reduction of our effective state income tax rate, net of Federal benefit.

During the three months ended March 31, 2022, the Company recorded an excess tax benefit of $0.5 million as compared to $2.9 million during the same period in 2021, a decrease of 82% The decrease was primarily due to timing of stock option exercises as a result of our high stock price during the three months ended March 31, 2021.

We earn investment tax credits from the state of Oklahoma’s manufacturing property investment program. We use the flow-through method to account for investment tax credits earned on eligible tangible asset expenditures. Under this method, the investment tax credits are recognized as a reduction to our Oklahoma income tax expense in the year they are used. As of March 31, 2022, we have investment tax credit carryforwards of approximately $3.7 million. These credits have estimated expirations from the year 2036 through 2040.

The Company's estimated annual 2022 effective tax rate, excluding discrete events, is approximately 25%. We file income tax returns in the U.S., state and foreign income tax returns jurisdictions. We are subject to U.S. income tax examinations for tax years 2018 to present, and to non-U.S. income tax examinations for the tax years 2017 to present. In addition, we are subject to state and local income tax examinations for the tax years 2017 to present. The Company continues to evaluate its need to file returns in various state jurisdictions. Any interest or penalties would be recognized as a component of income tax expense.

13. Share-Based Compensation

On May 22, 2007, our stockholders adopted a Long-Term Incentive Plan (“LTIP”) which provided an additional 3.3 million shares that could be granted in the form of stock options, stock appreciation rights, restricted stock awards, performance units and performance awards, in addition to the shares from the previous plan, the 1992 Plan. Under the LTIP, the exercise price of shares granted could not be less than 100% of the fair market value at the date of the grant.

On May 24, 2016, our stockholders adopted the 2016 Long-Term Incentive Plan ("2016 Plan") which provides for approximately 8.9 million shares, comprised of 3.4 million new shares provided for under the 2016 Plan, approximately 0.4 million shares that were available for issuance under the previous LTIP that are now authorized for issuance under the 2016 Plan, approximately 2.6 million shares that were approved by the stockholders on May 15, 2018, and an additional 2.5 million shares that were approved by the stockholders on May 12, 2020.

Under the 2016 Plan, shares can be granted in the form of stock options, stock appreciation rights, restricted stock awards, performance awards, dividend equivalent rights, and other awards. Under the 2016 Plan, the exercise price of shares granted may not be less than 100% of the fair market value at the date of the grant. The 2016 Plan is administered by the Compensation Committee of the Board of Directors or such other committee of the Board of Directors as is designated by the Board of Directors (the “Committee”). Membership on the Committee is limited to independent directors. The Committee may delegate certain duties to one or more officers of the Company as provided in the 2016 Plan. The Committee determines the persons to whom awards are to be made, determines the type, size and terms of awards, interprets the 2016 Plan, establishes and revises rules and regulations relating to the 2016 Plan and makes any other determinations that it believes necessary for the administration of the 2016 Plan.

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Options

The following weighted average assumptions were used to determine the fair value of the stock options granted on the original grant date for expense recognition purposes for options granted during the three months ended March 31, 2022 and 2021 using a Black Scholes-Merton Model:

	Three months ended
	March 31, 2022	March 31, 2021
Directors and SLT1:
Expected dividend rate	$0.38	$0.38
Expected volatility	35.87%	35.78%
Risk-free interest rate	2.11%	0.50%
Expected life (in years)	4.0	4.0
Employees:
Expected dividend rate	$0.38	$0.38
Expected volatility	37.16%	38.70%
Risk-free interest rate	1.98%	0.30%
Expected life (in years)	3.0	3.0
1 Senior Leadership Team ("SLT") consists of officers and key members of management.

The expected term of the options is based on evaluations of historical and expected future employee exercise behavior. The risk-free interest rate is based on the U.S. Treasury rates at the date of grant with maturity dates approximately equal to the expected life at the grant date. Volatility is based on historical volatility of our stock over time periods equal to the expected life at grant date.

The following is a summary of stock options vested and exercisable as of March 31, 2022:

 

Range of Exercise Prices					Number of Shares	Weighted Average Remaining Contractual Life (in years)	Weighted Average Exercise Price		Intrinsic Value (in thousands)
$	8.17	-	$	41.37	1,323,510	5.73	$	36.12	$	25,953
$	42.42	-	$	65.24	271,925	7.82	44.72		3,005
$	65.29	-	$	79.81	101,868	8.86	73.22		—
			Total		1,697,303	6.25	$	39.72	$	28,958

The following is a summary of stock options vested and exercisable as of March 31, 2021:

Range of Exercise Prices					Number of Shares	Weighted Average Remaining Contractual Life (in years)	Weighted Average Exercise Price		Intrinsic Value (in thousands)
$	7.18	-	$	40.87	621,552	5.58	$	30.01	$	24,863
$	41.37	-	$	41.37	427,899	7.86	41.37		12,255
$	41.78	-	$	75.00	143,232	8.75	44.45		3,661
			Total		1,192,683	6.78	$	35.82	$	40,779

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A summary of stock option activity under the plans is as follows:

Stock Options	Shares	Weighted Average Exercise Price
Outstanding at December 31, 2021	3,365,469	$	42.88
Granted	353,723	54.52
Exercised	(79,169)	36.51
Forfeited or Expired	(25,288)	51.58
Outstanding at March 31, 2022	3,614,735	$	44.10
Exercisable at March 31, 2022	1,697,303	$	39.72

The total pre-tax compensation cost related to unvested stock options not yet recognized as of March 31, 2022 is $19.7 million and is expected to be recognized over a weighted average period of approximately 2.3 years.

The total intrinsic value of options exercised during the three months ended March 31, 2022 and 2021 was $1.9 million and $10.7 million, respectively. The cash received from options exercised during the three months ended March 31, 2022 and 2021 was $2.9 million and $9.4 million, respectively. The impact of these cash receipts is included in financing activities in the accompanying consolidated statements of cash flows.

Restricted Stock

The fair value of restricted stock awards is based on the fair market value of AAON, Inc. common stock on the respective grant dates, reduced for the present value of dividends. At March 31, 2022, unrecognized compensation cost related to unvested restricted stock awards was approximately $5.8 million, which is expected to be recognized over a weighted average period of approximately 2.2 years.

A summary of the unvested restricted stock awards is as follows:

	Shares	Weighted Average Grant Date Fair Value
Unvested at December 31, 2021	161,225	$	46.08
Granted	39,903	53.55
Vested	(48,479)	42.20
Forfeited	(581)	49.75
Unvested at March 31, 2022	152,068	$	49.26

PSUs

We have awarded performance restricted stock units ("PSUs") to certain officers and employees under our 2016 Plan. Unlike our restricted stock awards, these PSUs are not considered legally outstanding and do not accrue dividends during the vesting period. These PSUs vest based on the level of achievement with respect to the Company's total shareholder return ("TSR") benchmarked against similar companies included in the capital goods sector of the S&P SmallCap 600 Index. The TSR measurement period is three years. At the end of the measurement period, each award will be converted into common stock at 0% to 200% of the PSUs held, depending on overall TSR as compared to the S&P SmallCap 600 Index benchmark companies.

- 19 -

The total pre-tax compensation cost related to unvested PSUs not yet recognized as of March 31, 2022 is $2.6 million and is expected to be recognized over a weighted average period of approximately 2.7 years.

The following weighted average assumptions were used to determine the fair value of the PSUs granted on the original grant date for expense recognition purposes for PSUs granted during the three months ended March 31, 2022 and 2021 using a Monte Carlo Model:

	Three months ended
	March 31, 2022	March 31, 2021
Expected dividend rate	$0.38	$0.38
Expected volatility	37.60%	39.10%
Risk-free interest rate	2.00%	0.28%
Expected life (in years)	2.80	2.81

The expected term of the PSUs is based on their remaining performance period. The risk-free interest rate is based on the U.S. Treasury rates at the date of grant with maturity dates approximately equal to the expected life at the grant date. Volatility is based on historical volatility of our stock over time periods equal to the expected life at grant date.

A summary of the unvested PSUs is as follows:

	Shares	Weighted Average Grant Date Fair Value
Unvested at December 31, 2021	16,851	$	87.78
Granted	41,621	44.74
Vested	—	—
Forfeited	—	—
Unvested at March 31, 2022	58,472	$	57.14

Key Employee Awards

Subject to the MIPA Agreement (Note 3), the Company granted awards to key employees of BasX ("Key Employee Awards"). Unlike our restricted stock awards under the 2016 Plan, the Key Employee Awards are not considered legally outstanding and do not accrue dividends during the vesting period. The potential future issuance of the Key Employee Awards is contingent upon BasX meeting certain post-closing earn-out milestones during each of the years ending 2021, 2022 and 2023 as defined by the MIPA Agreement and continued employment with the Company. At the end of the earn-out period, ending December 31, 2023, each eligible Key Employee Award will vest and be converted into common stock. The fair value of Key Employee Awards is based on the fair market value of AAON common stock on the grant date. The Key Employee Awards do not accrue dividends.

The total pre-tax compensation cost related to unvested Key Employee Awards not yet recognized as of March 31, 2022 is $1.5 million and is expected to be recognized over a weighted average period of approximately 1.8 years.

A summary of the unvested Key Employee Awards is as follows:

	Shares	Weighted Average Grant Date Fair Value
Unvested at December 31, 2021	26,599	$	80.18
Granted	—	—
Vested	—	—
Forfeited	—	—
Unvested at March 31, 2022	26,599	$	80.18

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Share-Based Compensation

A summary of share-based compensation is as follows:

	Three Months Ended
	March 31, 2022		March 31, 2021
Grant date fair value of awards during the period:	(in thousands)
Options	$	4,849	$	6,513
Performance awards	1,862		1,506
Restricted stock	2,137		1,400
Total	$	8,848	$	9,419
Share-based compensation expense:
Options	$	2,040	$	2,163
Performance awards	185		41
Restricted stock	679		557
Key employee awards	208		—
Total	$	3,112	$	2,761
Income tax benefit/(deficiency) related to share-based compensation:
Options	$	293	$	2,295
Restricted stock	219		615
Total	$	512	$	2,910

Share-based compensation expense is recognized on a straight-line basis over the service period of the related share-based compensation award. Historically, stock options and restricted stock awards, granted to employees, vest at a rate of 20% per year. Restricted stock awards granted to directors historically vest one-third each year or, if granted on or after May 2019, vest over the shorter of directors' remaining elected term or one-third each year. As of March 2021, all new grants of stock options and restricted stock awards, granted to employees, vest at a rate of 33.3% per year. Forfeitures are accounted for as they occur.

Historically, if the employee or director is retirement eligible (as defined by the applicable LTIP or 2016 Plan) or becomes retirement eligible during service period of the related share-based compensation award, the service period (and compensation expense recognition) is the lesser of 1) the grant date, if retirement eligible on grant date, or 2) the period between grant date and retirement eligible date. All stock options and restricted stock awards granted on or after March 1, 2020 to retirement eligible employees or directors contain a one-year employment requirement (minimum service period) or the entire award is forfeited. Forfeitures are accounted for as they occur.

The PSUs cliff vest on December 31, at the end of the third year from the date of grant. Share-based compensation expense is recognized on a straight-line basis over the service period of PSUs. The PSUs are subject to several service and market conditions, as defined by the PSU agreement, which allows the holder to retain a pro-rata amount of awards as a result of certain termination conditions, retirement, change in common control, or death. Forfeitures are accounted for as they occur.

The Key Employee Awards cliff vest on December 31, 2023. Share-based compensation expense is recognized on a straight-line basis over the service period of the Key Employee Awards when it is probable that the performance conditions will be satisfied. The Key Employee Awards are subject to several service and performance conditions, as defined by the Key Employee Award agreement, which allows the holder to retain an amount of the awards as a result of certain termination conditions or change in common control. Forfeitures are accounted for as they occur.

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14. Employee Benefits

Defined Contribution Plan - 401(k)

We sponsor a defined contribution plan (the “Plan”). Eligible employees may make contributions in accordance with the Plan and IRS guidelines. In addition to the traditional 401(k), eligible employees are given the option of making an after-tax contribution to a Roth 401(k) or a combination of both. The Plan provides for automatic enrollment and for an automatic increase to the deferral percentage at January 1st of each year and each year thereafter. Eligible employees are automatically enrolled in the Plan at a 6% deferral rate and currently contributing employees deferral rates will be increased to 6% unless their current rate is above 6% or the employee elects to decline the automatic enrollment or increase. Administrative expenses are paid for by Plan participants. The Company paid no administrative expenses during the three months ended March 31, 2022 and 2021.

The Company matches 175% up to 6% of employee contributions of eligible compensation. Additionally, Plan participant forfeitures are used to reduce the cost of the Company contributions.

	Three Months Ended
	March 31, 2022		March 31, 2021
	(in thousands)
Contributions, net of forfeitures, made to the defined contribution plan	$	3,306	$	2,280

Profit Sharing Bonus Plan

We maintain a discretionary profit sharing bonus plan under which approximately 10% of pre-tax profit from consolidated AAON Oklahoma and AAON Coil Products is paid to eligible employees on a quarterly basis in order to reward employee productivity. Eligible employees are regular full-time employees of AAON Oklahoma or AAON Coil Products who are actively employed and working on the first and last days of the calendar quarter and who were employed full-time for at least three full months prior to the beginning of the calendar quarter, excluding the Company's senior leadership team.

	Three Months Ended
	March 31, 2022		March 31, 2021
	(in thousands)
Profit sharing bonus plan expense	$	2,669	$	2,132

Employee Medical Plan

We self-insure for our employees' health insurance. Eligible employees are regular full-time employees who are actively employed and working. Participants are expected to pay a portion of the premium costs for coverage of the benefits provided under the Plan. We estimate our self-insurance liabilities using an analysis provided by our claims administrator and our historical claims experience. In addition, the Company matches 175% of a participating employee's allowed contributions to a qualified health saving account to assist employees with our health insurance plan deductibles.

	Three Months Ended
	March 31, 2022		March 31, 2021
	(in thousands)
Medical claim payments	$	1,946	$	1,813
Health saving account contributions	939		857

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15.  Earnings Per Share

Basic net income per share is calculated by dividing net income by the weighted average number of shares of common stock outstanding during the period. Diluted net income per share assumes the conversion of all potentially dilutive securities and is calculated by dividing net income by the sum of the weighted average number of shares of common stock outstanding plus all potentially dilutive securities. Dilutive common shares consist primarily of stock options and restricted stock awards.

The following table sets forth the computation of basic and diluted earnings per share:

	Three Months Ended
	March 31, 2022		March 31, 2021
Numerator:	(in thousands, except share and per share data)
Net income	$	18,059	$	16,376
Denominator:
Basic weighted average shares	52,613,232		52,293,464
Effect of dilutive shares related to stock based compensation1	927,137		1,521,180
Effect of dilutive shares related to contingent consideration2	410,626		—
Diluted weighted average shares	53,950,995		53,814,644
Earnings per share:
Basic	$	0.34	$	0.31
Dilutive	$	0.33	$	0.30
Anti-dilutive shares:
Shares	437,636		100,625
1 Dilutive shares related to stock options, restricted stock, PSUs and Key Employee Awards (Note 13)
2 Dilutive shares related to contingent shares issued to the former owners of BasX (Note 3 & Note 16)

16. Stockholders’ Equity

Stock Repurchases

The Board has authorized three stock repurchase programs for the Company. The Company may purchase shares on the open market from time to time, up to a total of 5.7 million shares. The Board must authorize the timing and amount of these purchases and all repurchases are in accordance with the rules and regulations of the SEC allowing the Company to repurchase shares from the open market.

Our open market repurchase programs are as follows:

Effective Date	Authorized Repurchase $	Expiration Date
May 16, 2018 1	$15 million	March 1, 2019
March 5, 2019 1	$20 million	March 4, 2020
March 13, 2020	$20 million	** 2
1 The 2018 and 2019 purchase authorizations were executed under 10b5-1 programs.
2 Expiration Date is at Board's discretion. The Company is authorized to effectuate repurchases of the Company's common stock on terms and conditions approved in advance by the Board.

The Company also has a stock repurchase arrangement by which employee-participants in our 401(k) savings and investment plan are entitled to have shares in AAON, Inc. stock in their accounts sold to the Company. The maximum number of shares to be repurchased is contingent upon the number of shares sold by employee-participants.

Lastly, the Company repurchases shares of AAON, Inc. stock from certain of its directors and employees for payment of statutory tax withholdings on stock transactions. All other repurchases from directors or employees are contingent upon Board

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approval. All repurchases are done at current market prices.

Our repurchase activity is as follows:

	Three Months Ended
	March 31, 2022					March 31, 2021
	(in thousands, except share and per share data)
Program	Shares	Total $		$ per share		Shares	Total $		$ per share
Open market	—	$	—	$	—	—	$	—	$	—
401(k)	54,305	3,278		60.36		70,350	5,185		73.70
Directors and employees	13,358	804		60.19		16,972	1,217		71.71
Total	67,663	$	4,082	$	60.33	87,322	$	6,402	$	73.31

Our repurchase activity since Company inception, including our current authorized stock repurchase programs, are as follows:

	Inception to			March 31, 2022
	(in thousands, except share and per share data)
Program	Shares	Total $			$ per share
Open market	4,205,255	$	74,793		$	17.79
401(k)	8,258,737	169,154			20.48
Directors and employees	2,041,085	23,145			11.34
Total	14,505,077	$	267,092		$	18.41

Subsequent to March 31, 2022 and through May 2, 2022, the Company repurchased a total of 16,692 shares for $0.9 million from our 401(k) savings and investment plan and from our employees for payment of statutory tax withholdings on stock transactions.

Dividends

At the discretion of the Board, we pay semi-annual cash dividends. Board approval is required to determine the date of declaration and amount for each semi-annual dividend payment.

Our recent dividends are as follows:

Declaration Date	Record Date	Payment Date	Dividend per Share
May 17, 2021	June 3, 2021	July 1, 2021	$0.19
November 9, 2021	November 26, 2021	December 17, 2021	$0.19

Contingent Shares Issued in BasX Acquisition

On December 10, 2021, we closed on the acquisition of BasX (Note 3). Under the MIPA Agreement, we committed to $78.0 million in the aggregate of contingent consideration to the former owners of BasX, which is payable in approximately 1,037,000 shares of the Company's stock, par value $0.004 per share. The shares do not accrue dividends.

Under the MIPA Agreement, the potential future issuance of the shares is contingent upon BasX meeting certain post-closing earn-out milestones during each of the years ended 2021, 2022, and 2023. Based on the final allocation of the consideration paid (Note 3), we estimated the fair value of contingent consideration related to these shares to be approximately $60.0 million, which is included in additional paid-in capital on the consolidated balance sheets. As of March 31, 2022, 486,268 shares related to the year ended 2021 earn-out milestone had been issued to the former owners of BasX as part of a private placement exempt from registration with the SEC under Rule 506(b), which are included in common stock on the consolidated statements of stockholders' equity. No additional shares have been issued as of May 2, 2022.

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17. New Markets Tax Credit

On October 24, 2019, the Company entered into a transaction with a subsidiary of an unrelated third-party financial institution (the “Investor”) and a certified Community Development Entity under a qualified New Markets Tax Credit (“NMTC”) program pursuant to Section 45D of the Internal Revenue Code of 1986, as amended, related to an investment in plant and equipment to facilitate the expansion of our Longview, Texas manufacturing operations (the “Project”). In connection with the NMTC transaction, the Company received a $23.0 million NMTC allocation for the Project and secured low interest financing and the potential for future debt forgiveness related to the Project.

Upon closing of the NMTC transaction, the Company provided an aggregate of approximately $15.9 million to the Investor, in the form of a loan receivable, with a term of twenty-five years, bearing an interest rate of 1.0%. This $15.9 million in proceeds plus capital contributed from the Investor was used to make an aggregate $22.5 million loan to a subsidiary of the Company. This financing arrangement is secured by equipment at the Company's Longview, Texas facilities and a guarantee from the Company, including an unconditional guarantee of NMTCs.

This transaction also includes a put/call feature that either of which can be exercised at the end of the seven-year compliance period. The Investor may exercise its put option or the Company can exercise the call, both of which could serve to trigger forgiveness of a portion of the debt. The Investor's interest of $6.3 million is recorded in New market tax credit obligation on the consolidated balance sheet. The Company incurred approximately $0.3 million of debt issuance costs related to the above transactions, which are being amortized over the life of the transaction.

The Investor is subject to 100 percent recapture of the NMTC it receives for a period of seven years, as provided in the Internal Revenue Code and applicable U.S. Treasury regulations in the event that the financing facility of the Borrower under the transaction (AAON Coil Products, Inc.) becomes ineligible for NMTC treatment per the Internal Revenue Code requirements. The Company is required to be in compliance with various regulations and contractual provisions that apply to the NMTC arrangement. Noncompliance with applicable requirements could result in the Investor’s projected tax benefits not being realized and, therefore, require the Company to indemnify the Investor for any loss or recapture of the NMTC related to the financing until such time as the recapture provisions have expired under the applicable statute of limitations. The Company does not anticipate any credit recapture will be required in connection with this financing arrangement.

The Investor and its majority owned community development entity are considered VIEs and the Company is the primary beneficiary of the VIEs. Because the Company is the primary beneficiary of the VIEs, they have been included in the consolidated financial statements. There are no other assets, liabilities or transactions in these VIEs outside of the financing transactions executed as part of the NMTC arrangement.

18. Commitments and Contingencies

We are subject to various claims and legal actions that arise in the ordinary course of business. We closely monitor these claims and legal actions and frequently consult with our legal counsel to determine whether they may, when resolved, have a material adverse effect on our financial position, results of operations or cash flows and we accrue and/or disclose loss contingencies as appropriate. We have concluded that the likelihood is remote that the ultimate resolution of any pending litigation or claims will be material or have a material adverse effect on the Company's business, financial position, results of operations and/or cash flows.

We are occasionally party to short-term, cancellable and occasionally non-cancellable, fixed price contracts with major suppliers for the purchase of raw material and component parts. We expect to receive delivery of raw materials for use in our manufacturing operations. These contracts are not accounted for as derivative instruments because they meet the normal purchase and normal sales exemption. We had no material contractual purchase obligations as of March 31, 2022.

On April 27, 2022, the Company entered into a purchase sales agreement with a third party manufacturer to purchase the intellectual property rights to design and manufacture fan wheels for the purchase price of approximately $6.5 million. The purchase price will be paid in three installments over the next 18 months. As of May 2, 2022 we have paid approximately $1.0 million related to this agreement.

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19.  Related Parties

The Company purchases some supplies from an entity controlled by the Company’s Executive Chairman. The Company sometimes makes sales to the Executive Chairman for parts. Additionally, the Company sells units to an entity owned by a member of the CEO/President's immediate family. This entity is also one of the Company’s Representatives and as such, the Company makes payments to the entity for third party products. Through the acquisition of BasX (Note 3), at March 31, 2022, the Company leased an manufacturing and office facility in Redmond, Oregon from an entity in which certain members of management have an ownership interest.

The following is a summary of transactions and balance with affiliates:

	Three Months Ended
	March 31, 2022		March 31, 2021
	(in thousands)
Sales to affiliates	$	752	$	566
Payments to affiliates	364		73
	March 31, 2022		December 31, 2021
	(in thousands)
Due from affiliates	$	514	$	547
Due to affiliates	—		—

20. Segments

The Company has determined that it has three reportable segments for financial reporting purposes. Management evaluates the performance of its business segments primarily on gross profit. The Company's chief decision maker ("CODM"), our CEO, allocates resources and assesses the performance of each operating segment using information about the operating segment's net sales and income from operations. The CODM does not evaluate operating segments using asset or liability information.

AAON Oklahoma: AAON Oklahoma designs, manufactures, sells and services standard, semi-custom and custom HVAC systems, designs and produces controls solutions for all of our HVAC units and sells retail parts to customers through our two retail part stores. Through the NAIC research and development laboratory facility, AAON Oklahoma is able test units units under various environmental conditions. AAON Oklahoma includes the operations of both our Tulsa, Oklahoma and Parkville, Missouri facilities, our NAIC research and development laboratory facility and two retail parts locations.

AAON Coil Products: AAON Coil Products designs and manufactures a selection of our standard, semi-custom and custom HVAC systems. In addition, AAON Coil Products designs and manufactures various heating and cooling coils to be used in HVAC systems, mostly for the benefit of AAON Oklahoma and AAON Coil Products. AAON Coil Products consists of operations at our Longview, Texas facilities.

BasX: BasX provides product development design and manufacturing of custom engineered air handling systems including high efficiency data center cooling solutions, cleanroom solutions, HVAC systems and modular solutions. BasX consists of operations at our Redmond, Oregon facility.

The following table summarizes certain financial data related to our segments. Transactions between segments are recorded based on prices negotiated between the segments. The Gross Profit amounts shown below are presented after elimination entries.

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	Three Months Ended
	March 31, 2022		March 31, 2021
Net Sales	(in thousands)
AAON Oklahoma
External sales	$	139,867	$	99,976
Inter-segment sales	389		506
AAON Coil Products
External sales	21,935		15,812
Inter-segment sales	7,917		5,384
BasX1	20,969		—
Eliminations	(8,306)		(5,890)
Net sales	$	182,771	$	115,788
Gross Profit
AAON Oklahoma	$	33,836	$	29,772
AAON Coil Products	7,306		3,385
BasX1	4,922		—
Gross profit	$	46,064	$	33,157
1 BasX was acquired on December 10, 2021.

	March 31, 2022		December 31, 2021
Long-lived assets	(in thousands)
AAON Oklahoma	$	190,621	$	183,840
AAON Coil Products	63,957		62,534
BasX	28,654		28,662
Total long-lived assets	$	283,232	$	275,036
Intangible assets and goodwill
AAON Oklahoma	$	3,229	$	3,229
AAON Coil Products	—		—
BasX	145,973		152,619
Total intangible assets and goodwill	$	149,202	$	155,848

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

The following discussion and analysis of our financial condition and results of operations should be read in conjunction with our consolidated financial statements and the notes thereto, which are included in this report, and our audited consolidated financial statements and the notes thereto, which are included in our Annual Report on Form 10-K for the fiscal year ended December 31, 2021.

This discussion contains or incorporates by reference “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. These forward-looking statements are not historical facts, but rather are based on expectations, estimates, assumptions and projections about our industry, business and future financial results, based on information available at the time this report is filed with the SEC or, with respect to any document incorporated by reference, available at the time that such document was prepared. Our actual results could differ materially from the results contemplated by these forward-looking statements due to a number of factors, including those identified in the section entitled “Forward-Looking Statements” in this Item 2 of this Quarterly Report on Form 10-Q and in the section entitled “Risk Factors” in Item 1A of our Annual Report on Form 10-K for the fiscal year ended December 31, 2021. We do not assume any obligation to update or revise any forward-looking statements to reflect changed assumptions, the occurrence of anticipated or unanticipated events, new information or circumstances or otherwise, except as required by law.

Overview

We engineer, manufacture, market, and sell premium air conditioning and heating equipment consisting of standard, semi-custom, and custom rooftop units, data center cooling solutions, cleanroom systems, chillers, packaged outdoor mechanical rooms, air handling units, makeup air units, energy recovery units, condensing units, geothermal/water-source heat pump, coils, and controls. These products are marketed and sold to retail, manufacturing, educational, lodging, supermarket, data centers, medical and pharmaceutical, and other commercial industries. We market our products to all 50 states in the United States and certain provinces in Canada. Foreign sales were approximately $6.0 million of our total net sales for the three months ended March 31, 2022 and $2.0 million of our sales during the same period of 2021.

Our business can be affected by a number of economic factors, including the level of economic activity in the markets in which we operate. The uncertainty of the economy has negatively impacted the commercial and industrial new construction markets in recent years. However, the recent rise in architectural billings and nonresidential building construction starts signal a 2022 recovery in nonresidential building construction after experiencing a downturn in 2021. Furthermore, general economic growth combined with pent-up demand from customers that delayed replacing old equipment is driving accelerated replacement demand. However, both the new construction and replacement markets are cyclical. If the domestic economy were to slow or enter a recession, this could result in a decrease in our sales volume and profitability. Sales in the commercial and industrial new construction markets correlate closely to the number of new homes and buildings that are built, which in turn is influenced by cyclical factors such as interest rates, inflation, consumer spending habits, employment rates, and other macroeconomic factors over which we have no control. Sales in the replacement markets are driven by various factors, including general economic growth, the Company’s new product introductions, fluctuations in the average age of existing equipment in the market, government regulations and stimulus, changes in market demand between more customized higher performing HVAC equipment and lower priced standard equipment, as well as many other factors. When new construction is down, we emphasize the replacement market. The demand for our products is influenced by national and regional economic and demographic factors. The commercial and industrial new construction market is subject to cyclical fluctuations in that it is generally tied to housing starts, but has a lag factor of six to 18 months. Housing starts, in turn, are affected by such factors as interest rates, the state of the economy, population growth, and the relative age of the population.

We sell our products to property owners and contractors mainly through a network of independent manufacturers’ representatives. This go-to-market strategy is unique compared to most of our larger competitors in that most control their sales channel. We value the independent sales channel as we think it is a more effective way of increasing market share. Although we concede full control of the sales process with this strategy, the entrepreneurial aspect of the independent sales channel attracts the most talent and provides greater financial incentives for its salespeople. Furthermore, the independent sales channel sells different types of equipment from various manufacturers, allowing it to operate with more of a solutions-based mindset, as opposed to an internal sales department of a manufacturing company that is incentivized to only sell its equipment regardless if it is the best solution for the end customer. We also have a small internal sales force that supports the relationships between the Company and our sales channel partners.

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The principal components of cost of goods sold are labor, raw materials, component costs, factory overhead, freight and engineering expense. The principal high volume raw materials used in our manufacturing processes are steel, copper, and aluminum, and are obtained from domestic suppliers. We also purchase from domestic manufacturers certain components, including compressors, motors, and electrical controls.

The price levels of our raw materials fluctuate given that the market continues to be volatile and unpredictable as a result of the uncertainty related to the U.S. economy and global economy. At March 31, 2022, the price (twelve month trailing average) for copper, galvanized steel, stainless steel and aluminum increased 41.2%, 67.8%, 61.8%, and 1.6%, respectively, as compared to the price (twelve month trailing average) at March 31, 2021.

We attempt to limit the impact of price fluctuations on these materials by entering into cancellable and non-cancellable fixed price contracts with our major suppliers for periods of six to 18 months. We expect to receive delivery of raw materials from our fixed price contracts for use in our manufacturing operations.

We occasionally increase the price of our equipment to help offset any inflationary headwinds. In 2021, we implemented three price increases; and on January 1, 2022, we implemented a fourth price increase.

Recent Developments

On December 10, 2021, we closed on the acquisition of all of the issued and outstanding equity ownership of BasX, LLC, doing business as BasX Solutions ("BasX") (Note 3). We began including the results of BasX’s operations in our consolidated financial statements beginning December 11, 2021.

On December 29, 2021, BasX, LLC converted to a C-Corporation, BasX, Inc., and is subject to income tax.

Backlog

The following table shows our historical backlog levels:

March 31, 2022		December 31, 2021		March 31, 2021
(in thousands)
$	461,400	$	260,164	$	96,733

The Company has increased our backlog both through the acquisition of BasX and organic growth. Excluding BasX's backlog at March 31, 2022, organic backlog increased 305.0% compared to March 31, 2021, due in part to the completion of the Longview, Texas expansion in early 2021, price increases implemented throughout 2021 and our favorable lead times.

Results of Operations

	Three months ended
	March 31, 2022		March 31, 2021
	(in thousands)
Net Sales	$	182,771	$	115,788
Cost of Sales	136,707		82,631
Gross Profit	46,064		33,157
Selling, general and administrative expenses	23,056		14,696
Gain on disposal of assets	(2)		—
Income from operations	$	23,010	$	18,461

The following are recent highlights and items that impacted our results of operations, cash flows and financial condition:

•Our backlog is at a record level due primarily to strong end-market demand along with our ability to produce and meet customer lead times.

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•Organic bookings increased 150% in the first quarter of 2022 compared to 2021 indicating a strong demand for our products.

•Sales in 2022 grew 57.8% to $182.8 million due to organic volume growth of $24.6 million, addition of BasX revenue of $21.0 million, and price increases of $16.5 million.

•Gross profit as a percentage of sales decreased in 2022 to 25.2% from 28.6% in 2021 due to the offset of increased sales by increased material costs and the adverse effect of supply chain issues on operations.

•Our warranty expense decreased 21.1% in the first quarter of 2022 compared to 2021 as a result of the quality control efforts the Company has put in place in the past few years.

•We continue to invest in the future growth of the Company evidenced by our $14.0 million in capital expenditures.

We report our financial results based on three reportable segments: AAON Oklahoma, AAON Coil Products, and BasX, which are further described in "Segments" (Note 20) within our notes to the consolidated financial statements. The Company's chief decision maker ("CODM"), our CEO, allocates resources and assesses the performance of each operating segment using information about the operating segment's net sales and income from operations. The CODM does not evaluate operating segments using asset or liability information.

Segment Operating Results for Three Months Ended March 31, 2022 and Three Months Ended March 31, 2021

	Three Months Ended
	March 31, 2022		Percent of Sales2		March 31, 2021		Percent of Sales2		$ Change		% Change
	(in thousands)
Net Sales3
AAON Oklahoma	$	139,867	76.5	%	$	99,976	86.3	%	$	39,891	39.9	%
AAON Coil Products	21,935		12.0	%	15,812		13.7	%	6,123		38.7	%
BasX1	20,969		11.5	%	—		—		20,969		—
Net sales	$	182,771			$	115,788			$	66,983	57.8	%
Cost of Sales3
AAON Oklahoma	$	106,031	75.8	%	70,204		70.2	%	$	35,827	51.0	%
AAON Coil Products	14,629		66.7	%	12,427		78.6	%	2,202		17.7	%
BasX1	16,047		76.5	%	—		—		16,047		—
Cost of sales	$	136,707	74.8	%	$	82,631	71.4	%	$	54,076	65.4	%
Gross Profit3
AAON Oklahoma	$	33,836	24.2	%	$	29,772	29.8	%	$	4,064	13.7	%
AAON Coil Products	7,306		33.3	%	3,385		21.4	%	3,921		115.8	%
BasX1	4,922		23.5	%	—		—		4,922		—
Gross profit	$	46,064	25.2	%	$	33,157	28.6	%	$	12,907	38.9	%
1 BasX was acquired on December 10, 2021. We have included the results of BasX's operations in our consolidated financial statements for the three months ended March 31, 2022.
2 Cost of sales and gross profit for each segment are calculated as a percentage of the respective segment's net sales. Total cost of sales and total gross profit are calculated as a percentage of total net sales.
3 Presented after intercompany eliminations.

Total net sales increased $67.0 million or 57.8%, due in part to increased organic volumes of $24.6 million. The quarter also benefited from $16.5 million of price increases put in place throughout 2021 that only now were realized. The acquisition of BasX in December 2021 added $21.0 million to net sales for the three months ended March 31, 2021. AAON Coil Products saw a 40.0% increase in units sold, or approximately $3.2 million, due to the increase in capacity with the completion of the new manufacturing building at our Longview, Texas facility in early 2021.

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During the three months ended March 31, 2021, several production days were lost due to planned maintenance and due to impacts of bad weather at both AAON Oklahoma and AAON Coil Products, resulting in lower volumes. Additionally, the expansion at our Longview facility was completed and production began during the first quarter of 2021.

As shown in the table below, we've experienced increases in the cost of our raw materials. We implemented multiple price increases during 2021 and 2022 to counteract the increased cost of material. Additionally, in order to attract new employees, we increased starting wages for our production workforce by 7.0% in July 2021; and to retain our existing employees, we also put a cost of living increase of 3.5% in place in October 2021 for all employees below the Director level. In March 2022, we awarded annual merit raises for an overall 3.0% increase to wages. Additionally, during the first quarter of 2022, a review of the Company’s useful lives for certain sheet metal manufacturing equipment at AAON Coil Products resulted in a change in estimate (Note 1) that increased the useful lives from between ten and twelve years to fifteen years. The change was made prospectively and resulted in a decrease to depreciation expense within cost of sales on our consolidated statements of income of $1.8 million during the three months ended March 31, 2022.

Raw Material Costs

Twelve-month average raw material cost per pound as of March 31:

	2022		2021		% Change
Copper	$	5.28	$	3.74	41.2	%
Galvanized steel	$	0.99	$	0.59	67.8	%
Stainless steel	$	2.33	$	1.44	61.8	%
Aluminum	$	1.96	$	1.93	1.6	%

Selling, General and Administrative Expenses

	Three Months Ended				Percent of Sales
	March 31, 2022		March 31, 2021
					2022		2021
	(in thousands)
Warranty	$	1,157	$	1,467	0.6	%	1.3	%
Profit sharing	2,669		2,132		1.5	%	1.8	%
Salaries & benefits	9,392		5,034		5.1	%	4.3	%
Stock compensation	1,669		1,291		0.9	%	1.1	%
Advertising	341		206		0.2	%	0.2	%
Depreciation & amortization	1,691		699		0.9	%	0.6	%
Insurance	709		731		0.4	%	0.6	%
Professional fees	1,482		725		0.8	%	0.6	%
Donations	189		(47)		0.1	%	—	%
Bad debt expense	288		(13)		0.2	%	—	%
Other	3,469		2,471		1.9	%	2.1	%
Total SG&A	$	23,056	$	14,696	12.6	%	12.7	%

Excluding salaries and benefits at BasX of $2.7 million, salaries and benefits increased $1.6 million due to pay increases that went into effect during the second and third quarters of 2021. Additionally, profit sharing increased due to higher pre-tax income for the three months ended March 31, 2022. Depreciation and amortization expense at BasX was $1.0 million, accounting for the majority of the change from period to period. Professional fees increased mostly due to continued transaction costs and audit fees.

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Income Taxes

	Three Months Ended				Effective Tax Rate
	March 31, 2022		March 31, 2021
					2022		2021
	(in thousands)
Income tax provision	$	4,782	$	2,105	20.9	%	11.4	%

The Company’s estimated annual 2022 effective tax rate, excluding discrete events, is expected to be approximately 25%. During the three months ended March 31, 2022, the Company recorded an excess tax benefit of $0.5 million as compared to $2.9 million during the same period in 2021, a decrease of 82.1%. The increase was primarily due to timing of stock awards as a result of our high stock price during the three months ended March 31, 2021.

Liquidity and Capital Resources

Our working capital and capital expenditure requirements are generally met through net cash provided by operations and the use of the revolving bank line of credit based on our current liquidity at the time.

Working Capital - Our unrestricted cash increased $2.8 million from December 31, 2021 to March 31, 2022 and totaled $5.6 million at March 31, 2022.

Revolving Line of Credit - Our revolving credit facility ("Revolver"), as amended and restated, provides for maximum borrowings of $100.0 million. As of March 31, 2022 and December 31, 2021, we had $65.0 million and $40.0 million, respectively, outstanding under the Revolver. We had one standby letter of credit totaling $0.8 million as of March 31, 2022. At March 31, 2022, we have $34.2 million of borrowings available under the Revolver. The Revolver expires November 24, 2026.

Any outstanding loans under the Revolver bear interest at the daily compounded secured overnight financing rate ("SOFR") plus the applicable margin. Applicable margin, ranging from 1.25% - 1.75%, is determined quarterly based on the Company's leverage ratio. The Company is also subject to letter of credit fees, ranging from 1.25% - 1.75%, and a commitment fee, ranging from 0.10% - 0.20%. The applicable fee percentage is determined quarterly based on the Company's leverage ratio. At March 31, 2022, the weighted average interest rate of the Revolver was 1.3%. Fees associated with the unused portion of the committed amount are included in interest expense on our consolidated statements of income and were not material for the three months ended March 31, 2022.

If SOFR cannot be determined pursuant to the definition, as defined by the Revolver agreement, any outstanding effected loans will be deemed to have been converted into alternative base rate ("ABR") loans. ABR loans would bear interest at a rate per annum equal to the highest of (a) the Prime Rate in effect on such day, (b) the Federal Funds Rate in effect on such day plus 0.50%, or (c) daily simple SOFR for a one-month tenor in effect on such day plus 1.00%.

At March 31, 2022, we were in compliance with our financial covenants, as defined by the Revolver. These covenants require that we meet certain parameters related to our leverage ratio. At March 31, 2022, our leverage ratio was 0.63 to 1.0, which meets the requirement of not being above 3 to 1.

As of May 5, 2022, we had $75.0 million of outstanding borrowings under our Revolver.

New Market Tax Credit Obligation - On October 24, 2019, the Company entered into a transaction with a subsidiary of an unrelated third-party financial institution (the “Investor”) and a certified Community Development Entity under a qualified New Markets Tax Credit (“NMTC”) program pursuant to Section 45D of the Internal Revenue Code of 1986, as amended, related to an investment in plant and equipment to facilitate the expansion of our Longview, Texas manufacturing operations (the “Project”). In connection with the NMTC transaction, the Company received a $23.0 million NMTC allocation for the Project and secured low interest financing and the potential for future debt forgiveness related to the expansion of its Longview, Texas facilities.

Upon closing of the NMTC transaction, the Company provided an aggregate of approximately $15.9 million to the Investor, in the form of a loan receivable, with a term of twenty-five years, bearing an interest rate of 1.0%. This $15.9 million in proceeds plus capital contributed from the Investor was used to make an aggregate $22.5 million loan to a subsidiary of the Company. This financing arrangement is secured by equipment at the Company's Longview, Texas facilities, and a guarantee from the Company, including an unconditional guarantee of NMTCs.

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Stock Repurchases - The Board has authorized three stock repurchase programs for the Company. The Company may purchase shares on the open market from time to time, up to a total of 5.7 million shares. The Board must authorize the timing and amount of these purchases and all repurchases are in accordance with the rules and regulations of the SEC allowing the Company to repurchase shares from the open market.

Our open market repurchase programs are as follows:

Effective Date	Authorized Repurchase $	Expiration Date
May 16, 2018 1	$15 million	March 1, 2019
March 5, 2019 1	$20 million	March 4, 2020
March 13, 2020	$20 million	** 2
1 The 2018 and 2019 purchase authorizations were executed under 10b5-1 programs.
2 Expiration Date is at Board's discretion. The Company is authorized to effectuate repurchases of the Company's common stock on terms and conditions approved in advance by the Board.

The Company also has a stock repurchase arrangement by which employee-participants in our 401(k) savings and investment plan are entitled to have shares in AAON, Inc. stock in their accounts sold to the Company. The maximum number of shares to be repurchased is contingent upon the number of shares sold by employee-participants.

Lastly, the Company repurchases shares of AAON, Inc. stock from certain of its directors and employees for payment of statutory tax withholdings on stock transactions. All other repurchases from directors or employees are contingent upon Board approval. All repurchases are done at current market prices.

Our repurchase activity is as follows:

	Three Months Ended
	March 31, 2022					March 31, 2021
	(in thousands, except share and per share data)
Program	Shares	Total $		$ per share		Shares	Total $		$ per share
Open market	—	$	—	$	—	—	$	—	$	—
401(k)	54,305	3,278		60.36		70,350	5,185		73.70
Directors and employees	13,358	804		60.19		16,972	1,217		71.71
Total	67,663	$	4,082	$	60.33	87,322	$	6,402	$	73.31

Our repurchase activity since Company inception, including our current authorized stock repurchase programs, are as follows:

	Inception to			March 31, 2022
	(in thousands, except share and per share data)
Program	Shares	Total $			$ per share
Open market	4,205,255	$	74,793		$	17.79
401(k)	8,258,737	169,154			20.48
Directors and employees	2,041,085	23,145			11.34
Total	14,505,077	$	267,092		$	18.41

- 33 -

Dividends - At the discretion of the Board, we pay semi-annual cash dividends. Board approval is required to determine the date of declaration and amount for each semi-annual dividend payment.

Our recent dividends are as follows:

Declaration Date	Record Date	Payment Date	Dividend per Share
May 17, 2021	June 3, 2021	July 1, 2021	$0.19
November 9, 2021	November 26, 2021	December 17, 2021	$0.19

Based on historical performance and current expectations, we believe our cash and cash equivalents balance, the projected cash flows generated from our operations, our existing committed revolving credit facility (or comparable financing) and our expected ability to access capital markets will satisfy our working capital needs, capital expenditures and other liquidity requirements associated with our operations in 2022 and the foreseeable future.

Statement of Cash Flows

The following table reflects the major categories of cash flows for the three months ended March 31, 2022 and 2021. For additional details, see the consolidated financial statements.

	Three Months Ended
	March 31, 2022		March 31, 2021
	(in thousands)
Operating Activities
Net Income	$	18,059	$	16,376
Income statement adjustments, net	11,730		14,606
Changes in assets and liabilities:
Accounts receivable	(43,244)		(5,179)
Income taxes	3,631		(2,766)
Inventories	(16,041)		(1,627)
Contract assets	(4,252)		—
Prepaid expenses and other	(3,588)		108
Accounts payable	6,325		4,904
Contract liabilities	17,998		—
Deferred revenue	68		2,358
Accrued liabilities & donations	2,511		58
Net cash (used in) provided by operating activities	(6,803)		28,838
Investing Activities
Capital expenditures	(14,031)		(16,404)
Cash paid in business combination, net of cash acquired	(249)		—
Other	16		14
Net cash used in investing activities	(14,264)		(16,390)
Financing Activities
Borrowings under revolving credit facility.	25,000		—
Stock options exercised	2,890		9,438
Repurchase of stock	(3,278)		(5,185)
Employee taxes paid by withholding shares	(804)		(1,217)
Net cash provided by financing activities	$	23,808	$	3,036

- 34 -

Cash Flows Provided by Operating Activities

The Company currently manages cash needs through working capital as well as drawing on its line of credit. Collections and payments cycles are on a normal pattern and fluctuate due to timing of receipts and payments.

The decrease in cash flows from receivables was a result of increased sales, both as a result of 2021 price increases realized during the period and volumes, in the three months ended March 31, 2022 that have not been collected. The Company has also increased the purchase of inventory to take advantage of favorable pricing opportunities and also to mitigate the impact of future supply chain disruptions on our operations.

Cash Flows Used in Investing Activities

The capital expenditures for the three months ended March 31, 2022 relate to our continued investment in our production capabilities. The capital expenditures for the three months ended March 31, 2021 related to the completion of the expansion at our Longview, Texas facility, which became operational during early 2021. The capital expenditure program for 2022 is estimated to be approximately $100.4 million. Many of these projects are subject to review and cancellation at the discretion of our CEO and Board of Directors without incurring substantial charges.

Cash Flows Used in Financing Activities

Cash flows from financing activities is historically affected by the timing of stock options exercised by our employees and repurchases of the Company's stock. However, the increase in cash from financing activities is primarily related to borrowings under our revolving credit facility to manage our working capital needs, especially strategic purchases of inventory to avoid future supply chain delays, after our available cash on hand was used to fund the BasX acquisition. Stock options exercised decreased due to the decrease in the number of employee options exercised and decrease in our average stock price during the three months ended March 31, 2022 compared to the three months ended March 31, 2021.

Off-Balance Sheet Arrangements

We are not party to any off-balance sheet arrangements that have or are reasonably likely to have a material current or future effect on our financial condition, changes in financial condition, revenues, expenses, results of operations, liquidity, capital expenditures or capital resources.

Contractual Obligations

We had no material contractual purchase obligations as of March 31, 2022.

Critical Accounting Policies

There have been no material changes in the Company’s critical accounting policies during the three months ended March 31, 2022.

Recent Accounting Pronouncements

See Note 1 of the Notes to the Consolidated Financial Statements for a discussion of recent accounting pronouncements.

- 35 -

Forward-Looking Statements

This Quarterly Report on Form 10-Q includes “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Words such as “expects”, “anticipates”, “intends”, “plans”, “believes”, “seeks”, “estimates”, “will”, “should”, and variations of such words and similar expressions are intended to identify such forward-looking statements. These statements are not guarantees of future performance and involve certain risks, uncertainties and assumptions, which are difficult to predict. Therefore, actual outcomes and results may differ materially from what is expressed or forecasted in such forward-looking statements. Readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date on which they are made. We undertake no obligation to update publicly any forward-looking statements, whether as a result of new information, future events or otherwise. Important factors that could cause results to differ materially from those in the forward-looking statements include (1) the timing and extent of changes in raw material and component prices, (2) the effects of fluctuations in the commercial/industrial new construction market, (3) the timing and extent of changes in interest rates, as well as other competitive factors during the year, (4) general economic, market or business conditions, and (5) the impact of COVID-19 on the economy, demand for our products and our operations, including the measures taken by governmental authorities to address it, which may precipitate or exacerbate other risks and/or uncertainties.

Item 3.  Quantitative and Qualitative Disclosures About Market Risk.

Commodity Price Risk

We are exposed to volatility in the prices of commodities used in some of our products and we may use fixed price cancellable and non-cancellable contracts with our major suppliers for periods of six to 18 months to manage this exposure.

Item 4.  Controls and Procedures.

(a) Evaluation of Disclosure Controls and Procedures

As of the end of the period covered by this Quarterly Report on Form 10-Q, we carried out an evaluation, under the supervision and with the participation of our management, including our Chief Executive Officer and Chief Financial Officer with the oversight of the Audit Committee, regarding the effectiveness of the design and operation of our disclosure controls and procedures (as defined in Rule 13a-15(e) promulgated under the Securities Exchange Act of 1934, as amended). Based upon that evaluation, our Chief Executive Officer and Chief Financial Officer have concluded, as of the end of the period covered by this Quarterly Report, that our disclosure controls and procedures were effective.

(c) Changes in Internal Control over Financial Reporting

There have been no changes in internal control over financial reporting that occurred during our last fiscal quarter that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

PART II – OTHER INFORMATION

Item 1. Legal Proceedings.

We are subject to various claims and legal actions that arise in the ordinary course of business. We closely monitor these claims and legal actions and frequently consult with our legal counsel to determine whether they may, when resolved, have a material adverse effect on our financial position, results of operations, or cash flows and we accrue and/or disclose loss contingencies as appropriate. We have concluded that the likelihood is remote that the ultimate resolution of any pending litigation or claims will be material or have a material adverse effect on the Company's business, financial position, results of operations or cash flows.

Item 1A. Risk Factors.

In addition to the other information set forth in this report, you should carefully consider the factors discussed in Part I, “Item 1A. Risk Factors” in our Annual Report on Form 10-K for the year ended December 31, 2021. The risk factors described in our Annual Report could materially adversely affect our business, financial condition or future results. There have been no material changes to the risk factors included in our 2021 Annual Report.

- 36 -

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

The Company may repurchase AAON, Inc. stock on the open market from time to time, up to a total of 5.7 million shares. From inception through March 31, 2022, we have repurchased a total of approximately 4.2 million shares (at current market prices) under the various open market stock buyback programs for an aggregate price of $74.8 million, or an average price of $17.79 per share. The Board must authorize the timing and amount of these purchases and all repurchases are in accordance with the rules and regulations of the SEC allowing the Company to repurchase shares from the open market.

On July 1, 2005, we entered into a stock repurchase arrangement by which employee-participants in our 401(k) savings and investment plan are entitled to have shares of AAON, Inc. stock in their accounts sold to the Company. The maximum number of shares to be repurchased is contingent upon the number of shares sold by employees. From inception through March 31, 2022, we repurchased approximately 8.3 million shares (at current market prices) for an aggregate price of $169.2 million, or an average price of $20.48 per share.

Lastly, the Company repurchases shares of AAON, Inc. stock from certain of its directors and employees for payment of statutory tax withholdings on stock transactions. All other repurchases from directors or employees are contingent upon Board approval. All repurchases are done at current market prices. From inception through March 31, 2022, we repurchased approximately 2.0 million shares (at current market prices) for an aggregate price of $23.1 million, or an average price of $11.34 per share.

Repurchases during the first quarter of 2022 were as follows:

 

	ISSUER PURCHASES OF EQUITY SECURITIES
Period	(a) Total Number of Shares (or Units) Purchased	(b) Average Price Paid Per Share (or Unit)		(c) Total Number of Shares (or Units) Purchased as part of Publicly Announced Plans or Programs	(d) Maximum Number (or Approximate Dollar Value) of Shares (or Units) that may yet be Purchased under the Plans or Programs
January 2022	22,159	$	68.36	22,159	—
February 2022	18,315	59.34		18,315	—
March 2022	27,189	54.40		27,189	—
Total	67,663	$	60.33	67,663	—

Under the membership interest purchase agreement ("MIPA Agreement") entered into for the acquisition of BasX, LLC ("BasX," Note 3), we committed to $78.0 million in the aggregate of contingent consideration to the former owners of BasX, which is payable in approximately 1,037,000 shares of the Company's stock, par value $0.004 per share. Under the MIPA Agreement, the potential future issuance of the shares is contingent upon BasX meeting certain post-closing earn-out milestones during each of the years ended 2021, 2022, and 2023. As of March 31, 2022, 486,268 shares related to the year ended 2021 earn-out milestone had been issued to the former owners of BasX as part of a private placement exempt from registration with the SEC under Rule 506(b). No additional shares have been issued as of May 2, 2022.

Item 3. Defaults Upon Senior Securities.

None.

Item 4.  Mine Safety Disclosures.

Not applicable.

Item 4A.  Submission of Matters to a Vote of Security Holders.

None.

- 37 -

Item 5.  Other Information.

None.

Item 6.  Exhibits.

 

Exhibit #	Description
31.1	Certification by Chief Executive Officer pursuant to Rule 13a-14(a) or 15d-14(a) of the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2	Certification by Chief Financial Officer pursuant to Rule 13a-14(a) or 15d-14(a) of the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1	Certification by Chief Executive Officer furnished pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.2	Certification by Chief Financial Officer furnished pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101	Interactive data files pursuant to Rule 405 of Regulation S-T formatted in iXBRL (Inline Extensible Business Reporting Language): (i) our Consolidated Balance Sheets as of March 31, 2022 and December 31, 2021; (ii) our Consolidated Statements of Income for the three and three months ended March 31, 2022 and 2021; (iii) our Consolidated Statements of Stockholders’ Equity for the three and three months ended March 31, 2022 and 2021; (iv) our Consolidated Statements of Cash Flows for the three months ended March 31, 2022 and 2021; and (vi) the notes to our Consolidated Financial Statements.
104	Cover Page Interactive Data File pursuant to Rule 406 of Regulation S-T formatted in iXBRL (Inline Extensible Business Reporting Language) and contained in Exhibit 101.

SIGNATURES

Pursuant to the requirements 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.

	AAON, INC.
Dated: May 05, 2022	By:	/s/ Gary D. Fields
		Gary D. Fields  Chief Executive Officer
Dated: May 05, 2022	By:	/s/ Rebecca A. Thompson
		Rebecca A. Thompson Chief Financial Officer

- 38 -

EX-31.1

Exhibit 31.1

CERTIFICATION

I, Gary D. Fields, certify that:

1.I have reviewed this Quarterly Report on Form 10-Q of AAON, 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; and

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; and

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 controls 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 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:	May 05, 2022	/s/ Gary D. Fields
		Gary D. Fields
		Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATION

I, Rebecca A. Thompson, certify that:

1.I have reviewed this Quarterly Report on Form 10-Q of AAON, 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; and

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; and

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 controls 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 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:	May 05, 2022	/s/ Rebecca A. Thompson
		Rebecca A. Thompson
		Chief 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 the Quarterly Report of AAON, Inc. (the “Company”), on Form 10-Q for the quarter ended March 31, 2022, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Gary D. Fields, 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 result of operations of the Company.

Date:	May 05, 2022	/s/ Gary D. Fields
		Gary D. Fields
		Chief 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 the Quarterly Report of AAON, Inc. (the “Company”), on Form 10-Q for the quarter ended March 31, 2022, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Rebecca A. Thompson, Chief Financial 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 result of operations of the Company.

Date:	May 05, 2022	/s/ Rebecca A. Thompson
		Rebecca A. Thompson
		Chief Financial Officer

XML

Cover Page - shares	3 Months Ended
	Mar. 31, 2022	May 02, 2022
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2022
Document Transition Report	false
Entity File Number	0-18953
Entity Registrant Name	AAON, INC.
Entity Central Index Key	0000824142
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q1
Amendment Flag	false
Entity Incorporation, State or Country Code	NV
Entity Tax Identification Number	87-0448736
Entity Address, Address Line One	2425 South Yukon Ave.,
Entity Address, City or Town	Tulsa,
Entity Address, State or Province	OK
Entity Address, Postal Zip Code	74107
City Area Code	918
Local Phone Number	583-2266
Title of 12(b) Security	Common Stock
Trading Symbol	AAON
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		53,071,178

XML

Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 5,633	$ 2,859
Restricted Cash	595	628
Accounts receivable, net of allowance for credit losses of $837 and $549, respectively	113,736	70,780
Income tax receivable	2,092	5,723
Inventories, net	146,091	130,270
Contract assets	10,001	5,749
Prepaid expenses and other	5,548	2,071
Total current assets	283,696	218,080
Property, plant and equipment:
Land	5,016	5,016
Buildings	139,089	135,861
Machinery and equipment	326,306	318,259
Furniture and fixtures	23,817	23,072
Total property, plant and equipment	494,228	482,208
Less: Accumulated depreciation	227,858	224,146
Property, plant and equipment, net	266,370	258,062
Intangible assets, net	67,310	70,121
Goodwill	81,892	85,727
Right of use assets	16,862	16,974
Note receivable	1,328	1,216
Total assets	717,458	650,180
Current liabilities:
Accounts payable	35,796	29,020
Accrued liabilities	52,890	50,206
Contract liabilities	25,540	7,542
Total current liabilities	114,226	86,768
Revolving credit facility, long-term	65,000	40,000
Deferred tax liabilities	32,966	31,993
Other long-term liabilities	18,693	18,843
New market tax credit obligation	6,417	6,406	[1]
Commitments and contingencies
Stockholders' equity:
Preferred stock, $.001 par value, 5,000,000 shares authorized, no shares issued	0	0
Common stock, $.004 par value, 100,000,000 shares authorized, 53,065,081 and 52,527,985 issued and outstanding at March 31, 2022 and December 31, 2021, respectively	212	210
Additional paid-in capital	77,574	81,654
Retained earnings	402,370	384,306
Total stockholders' equity	480,156	466,170
Total liabilities and stockholders' equity	$ 717,458	$ 650,180

[1]  (a) Held by variable interest entities (Note 17)

XML

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Stockholders' equity:
Allowance for doubtful accounts	$ 837	$ 549
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Common stock, par value	$ 0.004	$ 0.004
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	53,065,081	52,527,985
Common stock, shares outstanding	53,065,081	52,527,985

XML

Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Statement [Abstract]
Net sales	$ 182,771	$ 115,788
Cost of sales	136,707	82,631
Gross profit	46,064	33,157
Selling, general and administrative expenses	23,056	14,696
Gain on disposal of assets	(2)	0
Income from operations	23,010	18,461
Interest (expense) income, net	(190)	3
Other income, net	21	17
Income before taxes	22,841	18,481
Income tax provision	4,782	2,105
Net income	$ 18,059	$ 16,376
Earnings per share:
Basic (usd per share)	$ 0.34	$ 0.31
Diluted (usd per share)	$ 0.33	$ 0.30
Weighted average shares outstanding:
Basic (in shares)	52,613,232	52,293,464
Diluted (in shares)	53,950,995	53,814,644

XML

Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Paid-in Capital	Retained Earnings
Balance (in shares) at Dec. 31, 2020		52,225
Balance at Dec. 31, 2020	$ 350,865	$ 209	$ 5,161	$ 345,495
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	16,376			16,376
Stock options exercised, restricted stock awards granted, and contingent shares issued (Note 16) (in shares)		286
Stock options exercised, restricted stock awards granted, and contingent shares issued (Note 16)	9,438	$ 2	9,436
Share-based compensation	2,761		2,761
Stock repurchased and retired (in shares)		(87)
Stock repurchased and retired	(6,402)	$ (1)	(6,401)	0
Balance (in shares) at Mar. 31, 2021		52,424
Balance at Mar. 31, 2021	373,038	$ 210	10,957	361,871
Balance (in shares) at Dec. 31, 2021		52,528
Balance at Dec. 31, 2021	466,170	$ 210	81,654	384,306
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	18,059			18,059
Stock options exercised, restricted stock awards granted, and contingent shares issued (Note 16) (in shares)		605
Stock options exercised, restricted stock awards granted, and contingent shares issued (Note 16)	2,892	$ 2	2,890
Share-based compensation	3,112		3,112
Stock repurchased and retired (in shares)		(68)
Stock repurchased and retired	(4,082)	$ 0	(4,082)
Contingent consideration (Note 3)	(6,000)		(6,000)
Refund for cancelled cash dividends	5			5
Balance (in shares) at Mar. 31, 2022		53,065
Balance at Mar. 31, 2022	$ 480,156	$ 212	$ 77,574	$ 402,370

XML

Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating Activities
Net income	$ 18,059	$ 16,376
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	7,076	7,398
Amortization of debt issuance costs	11	10
Amortization of right of use assets	67	0
Provision for (recovery of) credit losses on accounts receivable, net of adjustments	288	(13)
Provision for (recovery of) excess and obsolete inventories	220	(194)
Share-based compensation	3,112	2,761
Gain on disposal of assets	(2)	0
Foreign currency transaction gain	(9)	(8)
Interest income on note receivable	(6)	(6)
Deferred	973	4,658
Changes in assets and liabilities:
Accounts receivable	(43,244)	(5,179)
Income tax receivable	3,631	(2,766)
Inventories	(16,041)	(1,627)
Contract assets	(4,252)	0
Prepaid expenses and other	(3,588)	108
Accounts payable	6,325	4,904
Contract liabilities	17,998	0
Deferred revenue	68	2,358
Accrued liabilities	2,511	58
Net cash (used in) provided by operating activities	(6,803)	28,838
Investing Activities
Capital expenditures	(14,031)	(16,404)
Cash paid in business combination, net of cash acquired	(249)	0
Proceeds from sale of property, plant and equipment	2	0
Principal payments from note receivable	14	14
Net cash used in investing activities	(14,264)	(16,390)
Financing Activities
Borrowings under revolving credit facility	25,000	0
Stock options exercised	2,890	9,438
Repurchase of stock	(3,278)	(5,185)
Employee taxes paid by withholding shares	(804)	(1,217)
Net cash provided by financing activities	23,808	3,036
Net increase in cash, cash equivalents and restricted cash	2,741	15,484
Cash, cash equivalents and restricted cash, beginning of period	3,487	82,288
Cash, cash equivalents and restricted cash, end of period	$ 6,228	$ 97,772

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General

3 Months Ended

Mar. 31, 2022

Basis of Presentation and Significant Accounting Policies [Abstract]

General

General

Basis of Presentation

AAON, Inc. is a Nevada corporation which was incorporated on August 18, 1987. Our operating subsidiaries include AAON, Inc., an Oklahoma corporation, AAON Coil Products, Inc., a Texas corporation, and BasX, Inc. (dba BasX Solutions), an Oregon corporation (collectively, the “Company”). The accompanying unaudited consolidated financial statements of AAON, Inc. and our operating subsidiaries, all of which are wholly-owned, have been prepared in accordance with U.S. generally accepted accounting principles (“U.S. GAAP”) for interim financial information and with the rules and regulations of the Securities and Exchange Commission (“SEC”).

On December 10, 2021, we closed on the acquisition of all of the issued and outstanding equity ownership of BasX, LLC, doing business as BasX Solutions ("BasX") (Note 3). We began including the results of BasX’s operations in our consolidated financial statements on December 11, 2021. On December 29, 2021, BasX, LLC converted to a C-Corporation, BasX, Inc., and is subject to income tax.

Our financial statements consolidate all of our affiliated entities in which we have a controlling financial interest. Because we hold certain rights that give us the power to direct the activities of two variable interest entities ("VIEs") (Note 17) that most significantly impact the VIEs economic performance, combined with a variable interest that gives us the right to receive potentially significant benefits or the obligation to absorb potentially significant losses, we have a controlling financial interest in those VIEs.

These financial statements have not been audited by the Company's independent registered public accounting firm, except that the consolidated balance sheet at December 31, 2021 is derived from audited consolidated financial statements. Accordingly, they do not include all of the information and notes required by U.S. GAAP for complete financial statements. The financial statements reflect all adjustments (all of which are of a normal recurring nature) which are, in the opinion of management, necessary for a fair statement of the results for the interim periods presented. Interim results are not necessarily indicative of the results that may be expected for a full year. Certain disclosures have been condensed in or omitted from these consolidated financial statements. The accompanying unaudited financial statements should be read in conjunction with the consolidated financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2021. All intercompany balances and transactions have been eliminated in consolidation.

We are engaged in the engineering, manufacturing, marketing, and sale of premium air conditioning and heating equipment consisting of standard, semi-custom, and custom rooftop units, data centers cooling solutions, cleanroom systems, chillers, packaged outdoor mechanical rooms, air handling units, makeup air units, energy recovery units, condensing units, geothermal/water-source heat pumps, coils, and controls.

Use of Estimates

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Because these estimates and assumptions require significant judgment, actual results could differ from those estimates and could have a significant impact on our results of operations, financial position and cash flows. We reevaluate our estimates and assumptions as needed, but at a minimum on a quarterly basis. The most significant estimates include, but are not limited to, inventory reserves, warranty accrual, worker's compensation accrual, medical insurance accrual, income taxes, useful lives of property, plant, and equipment, and share-based compensation. Actual results could differ materially from those estimates.

Change in Estimate

During the first quarter of 2022, a review of the Company’s useful lives for certain sheet metal manufacturing equipment at our Longview, Texas location resulted in a change in estimate that increased the useful lives from between ten and twelve years to fifteen years. This determination was based on recent and estimated future production levels as well as management’s knowledge of the equipment and historical and future use of the equipment. The change in estimate was made prospectively and resulted in a decrease to depreciation expense within cost of sales on our consolidated statements of income of $1.8 million during the three months ended March 31, 2022.

Impact of COVID-19 Pandemic

The magnitude of the impact of COVID-19 remains unpredictable and we, therefore, continue to anticipate potential supply chain disruptions, employee absenteeism, and additional health and safety costs related to the COVID-19 pandemic that could unfavorably impact our business.

We had continuous operations during the three months ended March 31, 2022. Additional precautions have been taken to social distance workers that work in close environments and we have facilitated voluntary on-site COVID-19 vaccine clinics. The Company also utilizes sanitation stations and performs additional cleaning and sanitation throughout the day.

Although future disruptions and costs are expected to be temporary, there is significant uncertainty around the duration and overall impact to our business operations. We are continually monitoring the progression of the pandemic, including new COVID-19 variants, and its potential effect on our financial position, results of operations and cash flows.

Inflation and Labor Market

We have witnessed increases of our raw material prices, especially in copper and steel, which appear to be a residual effect of COVID-19, and we continue to make strategic purchases of materials when we see opportunities. We have managed the increase in the cost of raw materials through price increases for our products. We have also experienced supply chain challenges related to specific manufacturing parts, which we have managed through our strong existing vendor relationships, expanding our list of vendors, and our favorable liquidity position.

Additionally, we continue to experience challenges in a tight labor market, especially the hiring of both skilled and unskilled production labor. In July 2021, we increased starting wages for our production workforce by 7.0%. We also put a cost of living increase of 3.5% in place in October 2021 for all employees below the Director level. In March 2022, we awarded annual merit raises resulting in a 3.0% increase in overall wages. We will continue to implement human resource initiatives to retain and attract labor to further improve productivity and production efficiencies.

Despite efforts to mitigate the impact of inflation, supply chain issues, and the tight labor market, future disruptions, while temporary, could negatively impact our financial position, results of operations and cash flows.

First Quarter 2021 Planned Maintenance and Adverse Weather

During the fourth quarter of 2020, we made the strategic decision to shut down our Tulsa, OK and Longview, TX manufacturing facilities to perform planned and necessary maintenance during the last week of December 2020 as well several days in early January 2021.

In February 2021, record-breaking winter storms affected Oklahoma and Texas, causing sustained below freezing temperatures, hazardous driving conditions, rolling blackouts, water main breaks, and a host of other weather related issues. In addition to significant absenteeism as a result of employees being unable to travel to and from work due to inadequate transportation and/or hazardous road conditions, the Company made the decision to shut down the Tulsa, OK and Longview, TX plants for several days. This decision was based on the expected employee absenteeism as well as the expected rolling blackouts caused by the increased demand on the electrical and natural gas power grids.

Accounting Policies

A comprehensive discussion of our critical accounting policies and management estimates is included in Management’s Discussion and Analysis of Financial Condition and Results of Operations in our Annual Report on Form 10-K for the year ended December 31, 2021.

Fair Value Measurements

The carrying amounts of cash and cash equivalents, receivables, accounts payable, and accrued liabilities approximate fair value because of the short-term maturity of the items. The carrying amount of the Company’s revolving line of credit, and other payables, approximate their fair values either due to their short term nature, the variable rates associated with the debt, or based on current rates offered to the Company for debt with similar characteristics.

Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability (an exit price) in an orderly transaction between market participants at the measurement date. Fair value is based upon assumptions that market participants would use when pricing an asset or liability. We use the following fair value hierarchy, which prioritizes valuation technique inputs used to measure fair value into three broad levels:

•Level 1: Quoted prices in active markets for identical assets and liabilities that we have the ability to access at the measurement date.

•Level 2: Inputs (other than quoted prices included within Level 1) that are either directly or indirectly observable for the asset or liability, including (i) quoted prices for similar assets or liabilities in active markets, (ii) quoted prices for identical or similar assets or liabilities in inactive markets, (iii) inputs other than quoted prices that are observable for the asset or liability, and (iv) inputs that are derived from observable market data by correlation or other means.

•Level 3: Unobservable inputs for the asset or liability including situations where there is little, if any, market activity for the asset or liability. Items categorized in Level 3 include the estimated fair values of property, plant and equipment, intangible assets, contingent consideration, and goodwill acquired in a business combination.

The fair value hierarchy gives the highest priority to quoted prices in active markets (Level 1) and the lowest priority to unobservable inputs (Level 3). In some cases, the inputs used to measure fair value might fall into different levels of the fair value hierarchy. The lowest level input that is significant to a fair value measurement determines the applicable level in the fair value hierarchy. Assessing the significance of a particular input to a fair value measurement requires judgment, considering factors specific to the asset or liability.

Definite-Lived Intangible Assets

Our definite-lived intangible assets include various trademarks, service marks, and technical knowledge acquired in business combinations (Note 3). We evaluate the carrying value of our amortizable intangible assets for potential impairment when events and circumstances warrant such a review. 

Amortization is computed using the straight-line method over the following estimated useful lives:

Intellectual property	30 years
Customer relationships	14 years

Goodwill and Indefinite-Lived Intangible Assets

Goodwill represents the excess of the consideration paid for the acquired businesses over the fair value of the individual assets acquired, net of liabilities assumed. At March 31, 2022 $50.3 million of goodwill is deductible for income tax purposes. Our indefinite-lived intangible assets consist of trademark and trade names. Goodwill and indefinite-lived intangible assets are not amortized, but instead are evaluated for impairment at least annually. We perform our annual assessment of impairment during the fourth quarter of our fiscal year, and more frequently if circumstances warrant.

Recent Accounting Pronouncements

Changes to U.S. GAAP are established by the Financial Accounting Standards Board ("FASB") in the form of Accounting Standards Updates ("ASUs") to the FASB's Accounting Standards Codification ("ASC"). We consider the applicability and impact of all ASUs. ASUs not listed or included within the Company's Annual Report on Form 10-K for the year ended December 31, 2021, were assessed and determined to be either not applicable or are expected to have minimal impact on our consolidated financial statements and notes thereto.

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Revenue Recognition

3 Months Ended

Mar. 31, 2022

Revenue from Contract with Customer [Abstract]

Revenue Recognition

Revenue Recognition

The following tables show disaggregated net sales by reportable segment (see Note 20) by major source, net of intercompany sales eliminations. As the BasX segment was not applicable during the three months ended March 31, 2021, this segment has been excluded from the table for that period.

	Three Months Ended March 31, 2022
	AAON Oklahoma		AAON Coil Products		BasX		Total
	(in thousands)
Rooftop Units	$	121,706	$	—	$	—	$	121,706
Condensing Units	242		8,976		—		9,218
Air Handlers	—		9,438		1,339		10,777
Outdoor Mechanical Rooms	554		110		—		664
Cleanroom Systems	—		—		8,039		8,039
Data Center Cooling Solutions	—		—		10,868		10,868
Water-Source Heat Pumps	2,986		2,353		—		5,339
Part Sales	10,216		—		—		10,216
Other2	4,163		1,058		723		5,944
	$	139,867	$	21,935	$	20,969	$	182,771
	Three Months Ended March 31, 2021
	AAON Oklahoma		AAON Coil Products		BasX1		Total
	(in thousands)
Rooftop Units	$	87,425	$	—	—		$	87,425
Condensing Units	249		6,282		—		6,531
Air Handlers	—		6,414		—		6,414
Outdoor Mechanical Rooms	63		148		—		211
Water-Source Heat Pumps	2,388		2,277		—		4,665
Part Sales	7,506		—		—		7,506
Other2	2,345		691		—		3,036
	$	99,976	$	15,812	—		$	115,788
1 BasX was acquired by the Company on December 10, 2021.
2 Other sales include freight, extended warranties and miscellaneous revenue.

Due to the highly customized nature of many of the Company’s products and each product not having an alternative use to the Company without significant costs to the Company, the Company recognizes revenue over time as progress is made toward satisfying the performance obligations of each contract. The Company has formal cancellation policies and generally does not accept returns on these units. As a result, many of the Company’s products do not have an alternative use and therefore, for these products we recognize revenue over the time it takes to produce the unit. The Company measures a contract’s progress on

the basis of the ratio that costs incurred bear to estimated total costs using the input method because, in the Company’s view, such method best depicts the progress toward completion.

Contract costs include direct materials, direct labor, installation, freight and delivery, commissions and royalties. Other costs not related to contract performance, such as indirect labor and materials, small tools and supplies, operating expenses, field rework and back charges are charged to expense as incurred. Provisions for estimated losses on contracts in progress are made in the period in which such losses are determined. Changes in job performance, job conditions, and estimated profitability, including those arising from contract penalty provisions and final contract settlements, may result in revisions to costs and income, and are estimated and recognized by the Company throughout the life of the contract. The aggregate of costs incurred and income recognized on uncompleted contracts in excess of billings is shown as a contract asset within our consolidated balance sheets, and the aggregate of billings on uncompleted contracts in excess of related costs incurred and income recognized is shown as a contract liability within our consolidated balance sheets.

For all other products that are part sales or standardized units, the Company recognizes revenue, presented net of sales tax, when it satisfies the performance obligation in its contracts. As the primary performance obligation in such a contract is delivery of the requested manufactured equipment, we satisfy the performance obligation when the control is passed to the customer, generally at time of shipment. Final sales prices are fixed based on purchase orders.

Sales allowances and customer incentives are treated as reductions to sales and are provided for based on historical experiences and current estimates. Sales of our products are moderately seasonal with the peak period being May-October of each year.

Product Warranties

The Company also sells extended warranties on parts for various lengths of time ranging from six months to 10 years. Revenue for these separately priced warranties is deferred and recognized on a straight-line basis over the separately priced warranty period.

Representatives and Third Party Products

We are responsible for billings and collections resulting from all sales transactions, including those initiated by our independent manufacturer representatives (“Representatives”). Representatives are national companies that are in the business of providing HVAC units and other related products and services to customers. The end user customer orders a bundled group of products and services from the Representative and expects the Representative to fulfill the order. These additional products and services may include controls purchased from another manufacturer to operate the unit, start-up services, and curbs for supporting the unit (“Third Party Products”). All are associated with the purchase of a HVAC unit but may be provided by the Representative or another third party. Only after the specifications are agreed to by the Representative and the customer, and the decision is made to use an AAON HVAC unit, will we receive notice of the order. We establish the amount we must receive for our HVAC unit (“minimum sales price”), but do not control the total order price that is negotiated by the Representative with the end user customer. The Representatives submit the total order price to us for invoicing and collection. The total order price includes our minimum sales price and an additional amount which may include both the Representatives’ fee and amounts due for additional products and services required by the customer. The Company is considered the principal for the equipment we design and manufacture and records that revenue. The Company has no control over the Third Party Products to the end customer and the Company is under no obligation related to the Third Party Products. Amounts related to Third Party Products are not recognized as revenue but are recorded as a liability and are included in accrued liabilities on the consolidated balance sheet.

The Representatives’ fee and Third Party Products amounts (“Due to Representatives”) are paid only after all amounts associated with the order are collected from the customer. The amount of payments to our Representatives were $6.5 million and $11.0 million for the three months ended March 31, 2022 and 2021, respectively.

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Business Combination

3 Months Ended

Mar. 31, 2022

Business Combinations [Abstract]

Business Combination

Business CombinationOn November 18, 2021, the Company entered into a membership interest purchase agreement (the “MIPA Agreement”) to acquire of all of the issued and outstanding equity ownership of BasX, LLC, an Oregon limited liability company, doing business as BasX Solutions. We closed this transaction on December 10, 2021 for a purchase price of (i) $100.0 million payable in cash (not including working capital adjustments), and (ii) up to $80.0 million in the aggregate of contingent consideration payable in shares of the Company's stock, par value $0.004 per share (the "Shares").

The $80.0 million of contingent consideration payable consists of $78.0 million payable to the former owners of BasX and $2.0 million payable to key employees of BasX whom are now employed by the Company. The potential future issuance of the Shares is contingent upon BasX meeting certain post-closing earn-out milestones during each of 2021, 2022, and 2023 under the terms of the MIPA Agreement. The Company funded the BasX acquisition cash portion of the purchase price and related transaction costs with cash on hand.

Additionally, as a condition to closing, the Company entered into a real estate purchase agreement with BasX Properties, LLC, an affiliate of BasX, to acquire the principal real property and improvements utilized by BasX for an additional $22.0 million, subject to customary closing conditions and adjustments. The Company expects this real estate transaction to close by the end of the second quarter of 2022.

BasX specializes in the design, engineering and manufacturing of custom, energy efficient cooling solutions for the rapidly growing hyperscale data center market. BasX also designs and manufactures custom solutions for cleanroom environments for the bio-pharmaceutical, semiconductor, medical and agriculture markets, as well as custom, energy efficient air handlers and modular solutions for a vast array of markets. The acquisition of BasX brings the Company exposure to attractive end-markets into which the Company has historically had minimal exposure. The products BasX manufactures are highly engineered, customized products, fully complimenting AAON's existing business.

We applied pushdown accounting, allowable under ASC 805 "Business Combinations," to "pushdown" our stepped-up basis in the assets acquired and liabilities assumed to BasX's subsidiary financial statements. The decision to apply pushdown accounting is irrevocable. Goodwill was calculated and recognized consistent with acquisition accounting, resulting in the pushdown of $78.7 million in goodwill.

The following table presents the revised allocation of the consideration paid to the assets acquired and liabilities assumed in the acquisition of BasX described above, which was still preliminary at December 31, 2021. The revisions indicated below were recorded during the three months ended March 31, 2022. The revisions were the results of updates to our preliminary estimates and third party valuation models. The impact of such revisions on net income for prior periods was not significant.

	Revised Allocation as of March 31, 2022		Estimated Allocation as of December 31, 2021		Revision
			(in thousands)
Accounts receivable	$	13,699	$	13,699	$	—
Inventories	2,725		2,725		—
Contract assets	7,635		7,635		—
Prepaid expenses and other	341		341		—
Property, plant and equipment	13,169		13,169		—
Right of use assets	15,611		15,611		—
Intangible assets	68,413		70,329		(1,916)
Goodwill	78,663		82,498		(3,835)
Accounts payable	(9,388)		(9,388)		—
Accrued liabilities	(3,807)		(3,807)		—
Contract liabilities	(7,771)		(7,771)		—
Lease liabilities	(15,611)		(15,611)		—
Contingent Consideration - shares of AAON, Inc.	(60,000)		(66,000)		6,000
Consideration paid	$	103,679	$	103,430	$	249

The Company recognized the following definite and indefinite-lived intangible assets as part of the acquisition of BasX:

	Revised Allocation as of March 31, 2022		Estimated Allocation as of December 31, 2021		Revision
			(in thousands)
Definite-lived intangible assets
Intellectual property	$	6,295	$	6,479	$	(184)
Customer relationships	47,547		48,684		(1,137)
	53,842		55,163		(1,321)
Indefinite-lived intangible assets
Trademarks	14,571		15,166		(595)
Total intangible assets acquired	$	68,413	$	70,329	$	(1,916)

Goodwill is the excess of the consideration paid for the acquired businesses over the fair value of the individual assets acquired, net of liabilities assumed. Goodwill represents a premium paid to acquire the skilled workforce and expanded market opportunities. Goodwill of $47.1 million is tax deductible upon close of the acquisition. Future additional amounts of goodwill related to the contingent consideration may become tax deductible in the future if the earn out provisions of the MIPA Agreement are achieved.

Pro Forma Results of Operations (unaudited)

The operations of BasX have been included in our statements of income since the closing date on December 10, 2021. The following unaudited pro forma consolidated results of operations for the three months ended March 31, 2021 are presented as if the combination had been made on January 1, 2021.

	(unaudited)
	Three months ended
	March 31, 2021
	(in thousands, except per share data)
Revenues	$	130,631
Net income	16,972
Earnings per share:
Basic	$	0.32
Dilutive	$	0.32

These unaudited pro forma results include adjustments necessary in connection with the acquisition.

The unaudited consolidated pro forma financial information was prepared in accordance with GAAP and is not necessarily indicative of the results of operations that would have occurred if the acquisition had been completed on the date indicated, nor is it indicative of the future operating results of the Company.

The unaudited pro forma results do not reflect events that either have occurred or may occur after the acquisition date, including, but not limited to, the anticipated realization of operating synergies in subsequent periods. These results also do not give effect to certain charges that the Company expects to incur in connection with the acquisition, including, but not limited to, additional professional fees and employee integration.

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Leases

3 Months Ended

Mar. 31, 2022

Leases [Abstract]

Leases

LeasesAll of our leases are classified as operating leases. As our leases do not provide an implicit interest rate, we use our incremental borrowing rate based on the information available at the commencement date in determining the present value of lease

payments. Our incremental borrowing rate represents the interest rate which we would pay to borrow, on a collateralized basis, an amount equal to the lease payments over a similar term in a similar economic environment.

We have entered into various short-term operating leases with an initial term of twelve months or less. We have elected the short-term lease measurement and recognition exemption which does not require balance sheet presentation these short-term leases. The rent expense for these short-term leases is not significant.

The Company’s leases generally require us to pay for insurance, taxes, utilities, and other operating costs. These payments are not included in the right-of-use asset or lease liability and are expensed as incurred.

Through the acquisition of BasX (Note 3), we acquired various leases for plant/office space and equipment. We also lease the plant/office space used by our operations in Parkville, MO. Expense related to these leases is recognized on straight-line basis over the lease term. Certain of our leases contain escalating lease payments based on predefined increases. Most leases contain options to renew or terminate. Right-of-use assets and lease liabilities reflect only the options which the Company is reasonably certain to exercise.

At March 31, 2022, we had operating lease right-of-use assets of $16.9 million, current and noncurrent operating lease obligations of $1.7 million and $15.3 million within accrued liabilities and other long-term liabilities, respectively, on our consolidated balance sheets. At December 31, 2021, we had operating lease right-of-use assets of $17.0 million and current and noncurrent operating lease obligations of $1.6 million and $15.5 million within accrued liabilities and other long-term liabilities, respectively, on our consolidated balance sheets.

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Accounts Receivable

3 Months Ended

Mar. 31, 2022

Receivables [Abstract]

Accounts Receivable

Accounts Receivable

Accounts receivable and the related allowance for credit losses are as follows:

 

	March 31, 2022		December 31, 2021
	(in thousands)
Accounts receivable	$	114,573	$	71,329
Less:  Allowance for credit losses	(837)		(549)
Total, net	$	113,736	$	70,780

 

	Three Months Ended
	March 31, 2022		March 31, 2021
Allowance for credit losses:	(in thousands)
Balance, beginning of period	$	549	$	506
Provisions for (recoveries of) expected credit	288		(13)
losses, net of adjustments
Balance, end of period	$	837	$	493

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Inventories

3 Months Ended

Mar. 31, 2022

Inventory Disclosure [Abstract]

Inventories

Inventories

Inventories are valued at the lower of cost or net realizable value. Cost is determined by the first-in, first-out (“FIFO”) method. We establish an allowance for excess and obsolete inventories based on product line changes, the feasibility of substituting parts and the need for supply and replacement parts.

The components of inventories and related changes in the allowance for excess and obsolete inventories account are as follows:

	March 31, 2022		December 31, 2021
	(in thousands)
Raw materials	$	140,424	$	124,480
Work in process	3,003		3,049
Finished goods	4,671		4,528
Total, gross	148,098		132,057
Less:  Allowance for excess and obsolete inventories	(2,007)		(1,787)
Total, net	$	146,091	$	130,270

	Three Months Ended
	March 31, 2022		March 31, 2021
Allowance for excess and obsolete inventories:	(in thousands)
Balance, beginning of period	$	1,787	$	3,261
Provision for (recovery of) excess and	220		(194)
obsolete inventories
Inventories written off	—		(763)
Balance, end of period	$	2,007	$	2,304

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Intangible Assets

3 Months Ended

Mar. 31, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

Intangible assets

Our intangible assets consist of the following:

	March 31, 2022		December 31, 2021
Definite-lived intangible assets	(in thousands)
Intellectual property	$	6,295	$	6,479
Customer relationships	47,547		48,684
Less:  Accumulated amortization	(1,103)		(208)
Total, net	52,739		54,955
Indefinite-lived intangible assets
Trademarks	14,571		15,166
Total intangible assets, net	$	67,310	$	70,121

Amortization expense recorded in cost of sales is as follows:

	Three Months Ended
	March 31, 2022		March 31, 2021
	(in thousands)
Amortization expense	$	895	$	38

Excluding the impact of any future acquisitions, the Company anticipates amortization expense to be $3.6 million for each of the years ended 2022 through 2026.

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Supplemental Cash Flow Information

3 Months Ended

Mar. 31, 2022

Supplemental Cash Flow Elements [Abstract]

Supplemental Cash Flow Information

Supplemental Cash Flow Information 

	Three Months Ended
	March 31, 2022		March 31, 2021
Supplemental disclosures:	(in thousands)
Interest paid	$	115	$	—
Income taxes paid	$	176	$	213
Non-cash investing and financing activities:
Non-cash capital expenditures	$	458	$	264

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Warranties

3 Months Ended

Mar. 31, 2022

Guarantees [Abstract]

Warranties

Warranties

The Company has product warranties with various terms ranging from one year from the date of first use or 18 months for parts, data center cooling solutions, and cleanroom systems to 25 years for certain heat exchangers. The Company has an obligation to replace parts if conditions under the warranty are met. A provision is made for estimated warranty costs at the time the related products are sold based upon the warranty period, historical trends, new products, and any known identifiable warranty issues.  

Changes in the warranty accrual are as follows:

	Three Months Ended
	March 31, 2022		March 31, 2021
Warranty accrual:	(in thousands)
Balance, beginning of period	$	13,769	$	13,522
Payments made	(1,219)		(1,464)
Provisions	1,157		1,467
Balance, end of period	$	13,707	$	13,525
Warranty expense:	$	1,157	$	1,467

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Accrued Liabilities and Other Long-Term Liabilities

3 Months Ended

Mar. 31, 2022

Payables and Accruals [Abstract]

Accrued Liabilities

Accrued Liabilities and Other Long-Term Liabilities

Accrued liabilities were comprised of the following:

	March 31, 2022		December 31, 2021
	(in thousands)
Warranty	$	13,707	$	13,769
Due to representatives	13,453		7,995
Payroll	7,601		8,423
Profit sharing	2,670		1,489
Worker's compensation	261		308
Medical self-insurance	1,208		1,943
Customer prepayments	2,870		5,931
Donations	453		438
Employee vacation time	5,000		4,362
Operating lease liability, short-term	1,683		1,580
Other	3,984		3,968
Total	$	52,890	$	50,206

Other long-term liabilities were comprised of the following:

 

	March 31, 2022		December 31, 2021
	(in thousands)
Long-term operating lease obligation	$	15,320	$	15,467
Long-term donations	221		334
Extended warranties	3,152		3,042
Total	$	18,693	$	18,843

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Revolving Credit Facility

3 Months Ended

Mar. 31, 2022

Debt Disclosure [Abstract]

Revolving Credit Facility

Revolving Credit Facility

On November 24, 2021, we amended our revolving credit facility (“Revolver”), to provide for maximum borrowings of $100.0 million, with an option to increase to maximum borrowing of $200.0 million. As of March 31, 2022 and December 31, 2021, we had $65.0 million and $40.0 million outstanding under the Revolver, respectively. We have one standby letter of credit totaling $0.8 million as of March 31, 2022. Borrowings available under the Revolver at March 31, 2022 were $34.2 million.  The Revolver expires on November 24, 2026.

Any outstanding loans under the Revolver bear interest at the daily compounded secured overnight financing rate ("SOFR") plus the applicable margin. Applicable margin, ranging from 1.25% - 1.75%, is determined quarterly based on the Company's leverage ratio. The Company is also subject to letter of credit fees, ranging from 1.25% - 1.75%, and a commitment fee, ranging from 0.10% - 0.20%. The applicable fee percentage is determined quarterly based on the Company's leverage ratio. As of and for the three months ended March 31, 2022, the weighted average interest rate of our the Revolver was 1.3%. Fees associated with the unused portion of the committed amount are included in interest expense on our consolidated statements of income and were not material for the three months ended March 31, 2022.

If SOFR cannot be determined pursuant to the definition, as defined by the Revolver agreement, any outstanding effected loans will be deemed to have been converted into alternative base rate ("ABR") loans. ABR loans would bear interest at a rate per annum equal to the highest of (a) the Prime Rate in effect on such day, (b) the Federal Funds Rate in effect on such day plus 0.50%, or (c) daily simple SOFR for a one-month tenor in effect on such day plus 1.00%.

At March 31, 2022, we were in compliance with our financial covenants, as defined by the Revolver. These covenants require that we meet certain parameters related to our leverage ratio. At March 31, 2022, our leverage ratio was 0.63 to 1.0, which meets the requirement of not being above 3 to 1.

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Income Taxes

3 Months Ended

Mar. 31, 2022

Income Tax Disclosure [Abstract]

Income Taxes

Income Taxes

The provision (benefit) for income taxes consists of the following:

	Three Months Ended
	March 31, 2022		March 31, 2021
	(in thousands)
Current	$	3,809	$	(2,553)
Deferred	973		4,658
Income tax provision	$	4,782	$	2,105

The provision for income taxes differs from the amount computed by applying the Federal statutory income tax rate before the provision for income taxes.

The reconciliation of the Federal statutory income tax rate to the effective income tax rate is as follows:

	Three Months Ended
	March 31, 2022		March 31, 2021
Federal statutory rate	21.0	%	21.0	%
State income taxes, net of Federal benefit	3.0		7.5
Excess tax benefits	(2.2)		(15.8)
Return to provision adjustments	—		(0.4)
Other	(0.9)		(0.9)
Effective tax rate	20.9	%	11.4	%

On May 21, 2021, the State of Oklahoma enacted House Bill 2960, effectively reducing the corporate income tax rate in Oklahoma from 6% to 4%. This resulted in an overall reduction of our effective state income tax rate, net of Federal benefit.

During the three months ended March 31, 2022, the Company recorded an excess tax benefit of $0.5 million as compared to $2.9 million during the same period in 2021, a decrease of 82% The decrease was primarily due to timing of stock option exercises as a result of our high stock price during the three months ended March 31, 2021.

We earn investment tax credits from the state of Oklahoma’s manufacturing property investment program. We use the flow-through method to account for investment tax credits earned on eligible tangible asset expenditures. Under this method, the investment tax credits are recognized as a reduction to our Oklahoma income tax expense in the year they are used. As of March 31, 2022, we have investment tax credit carryforwards of approximately $3.7 million. These credits have estimated expirations from the year 2036 through 2040.

The Company's estimated annual 2022 effective tax rate, excluding discrete events, is approximately 25%. We file income tax returns in the U.S., state and foreign income tax returns jurisdictions. We are subject to U.S. income tax examinations for tax years 2018 to present, and to non-U.S. income tax examinations for the tax years 2017 to present. In addition, we are subject to state and local income tax examinations for the tax years 2017 to present. The Company continues to evaluate its need to file returns in various state jurisdictions. Any interest or penalties would be recognized as a component of income tax expense.

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Share-Based Compensation

3 Months Ended

Mar. 31, 2022

Share-based Payment Arrangement [Abstract]

Share-Based Compensation

Share-Based Compensation

On May 22, 2007, our stockholders adopted a Long-Term Incentive Plan (“LTIP”) which provided an additional 3.3 million shares that could be granted in the form of stock options, stock appreciation rights, restricted stock awards, performance units and performance awards, in addition to the shares from the previous plan, the 1992 Plan. Under the LTIP, the exercise price of shares granted could not be less than 100% of the fair market value at the date of the grant.

On May 24, 2016, our stockholders adopted the 2016 Long-Term Incentive Plan ("2016 Plan") which provides for approximately 8.9 million shares, comprised of 3.4 million new shares provided for under the 2016 Plan, approximately 0.4 million shares that were available for issuance under the previous LTIP that are now authorized for issuance under the 2016 Plan, approximately 2.6 million shares that were approved by the stockholders on May 15, 2018, and an additional 2.5 million shares that were approved by the stockholders on May 12, 2020.

Under the 2016 Plan, shares can be granted in the form of stock options, stock appreciation rights, restricted stock awards, performance awards, dividend equivalent rights, and other awards. Under the 2016 Plan, the exercise price of shares granted may not be less than 100% of the fair market value at the date of the grant. The 2016 Plan is administered by the Compensation Committee of the Board of Directors or such other committee of the Board of Directors as is designated by the Board of Directors (the “Committee”). Membership on the Committee is limited to independent directors. The Committee may delegate certain duties to one or more officers of the Company as provided in the 2016 Plan. The Committee determines the persons to whom awards are to be made, determines the type, size and terms of awards, interprets the 2016 Plan, establishes and revises rules and regulations relating to the 2016 Plan and makes any other determinations that it believes necessary for the administration of the 2016 Plan.

Options

The following weighted average assumptions were used to determine the fair value of the stock options granted on the original grant date for expense recognition purposes for options granted during the three months ended March 31, 2022 and 2021 using a Black Scholes-Merton Model:

	Three months ended
	March 31, 2022	March 31, 2021
Directors and SLT1:
Expected dividend rate	$0.38	$0.38
Expected volatility	35.87%	35.78%
Risk-free interest rate	2.11%	0.50%
Expected life (in years)	4.0	4.0
Employees:
Expected dividend rate	$0.38	$0.38
Expected volatility	37.16%	38.70%
Risk-free interest rate	1.98%	0.30%
Expected life (in years)	3.0	3.0
1 Senior Leadership Team ("SLT") consists of officers and key members of management.

The expected term of the options is based on evaluations of historical and expected future employee exercise behavior. The risk-free interest rate is based on the U.S. Treasury rates at the date of grant with maturity dates approximately equal to the expected life at the grant date. Volatility is based on historical volatility of our stock over time periods equal to the expected life at grant date.

The following is a summary of stock options vested and exercisable as of March 31, 2022:

 

Range of Exercise Prices					Number of Shares	Weighted Average Remaining Contractual Life (in years)	Weighted Average Exercise Price		Intrinsic Value (in thousands)
$	8.17	-	$	41.37	1,323,510	5.73	$	36.12	$	25,953
$	42.42	-	$	65.24	271,925	7.82	44.72		3,005
$	65.29	-	$	79.81	101,868	8.86	73.22		—
			Total		1,697,303	6.25	$	39.72	$	28,958

The following is a summary of stock options vested and exercisable as of March 31, 2021:

Range of Exercise Prices					Number of Shares	Weighted Average Remaining Contractual Life (in years)	Weighted Average Exercise Price		Intrinsic Value (in thousands)
$	7.18	-	$	40.87	621,552	5.58	$	30.01	$	24,863
$	41.37	-	$	41.37	427,899	7.86	41.37		12,255
$	41.78	-	$	75.00	143,232	8.75	44.45		3,661
			Total		1,192,683	6.78	$	35.82	$	40,779

A summary of stock option activity under the plans is as follows:

Stock Options	Shares	Weighted Average Exercise Price
Outstanding at December 31, 2021	3,365,469	$	42.88
Granted	353,723	54.52
Exercised	(79,169)	36.51
Forfeited or Expired	(25,288)	51.58
Outstanding at March 31, 2022	3,614,735	$	44.10
Exercisable at March 31, 2022	1,697,303	$	39.72

The total pre-tax compensation cost related to unvested stock options not yet recognized as of March 31, 2022 is $19.7 million and is expected to be recognized over a weighted average period of approximately 2.3 years.

The total intrinsic value of options exercised during the three months ended March 31, 2022 and 2021 was $1.9 million and $10.7 million, respectively. The cash received from options exercised during the three months ended March 31, 2022 and 2021 was $2.9 million and $9.4 million, respectively. The impact of these cash receipts is included in financing activities in the accompanying consolidated statements of cash flows.

Restricted Stock

The fair value of restricted stock awards is based on the fair market value of AAON, Inc. common stock on the respective grant dates, reduced for the present value of dividends. At March 31, 2022, unrecognized compensation cost related to unvested restricted stock awards was approximately $5.8 million, which is expected to be recognized over a weighted average period of approximately 2.2 years.

A summary of the unvested restricted stock awards is as follows:

	Shares	Weighted Average Grant Date Fair Value
Unvested at December 31, 2021	161,225	$	46.08
Granted	39,903	53.55
Vested	(48,479)	42.20
Forfeited	(581)	49.75
Unvested at March 31, 2022	152,068	$	49.26

PSUs

We have awarded performance restricted stock units ("PSUs") to certain officers and employees under our 2016 Plan. Unlike our restricted stock awards, these PSUs are not considered legally outstanding and do not accrue dividends during the vesting period. These PSUs vest based on the level of achievement with respect to the Company's total shareholder return ("TSR") benchmarked against similar companies included in the capital goods sector of the S&P SmallCap 600 Index. The TSR measurement period is three years. At the end of the measurement period, each award will be converted into common stock at 0% to 200% of the PSUs held, depending on overall TSR as compared to the S&P SmallCap 600 Index benchmark companies.

The total pre-tax compensation cost related to unvested PSUs not yet recognized as of March 31, 2022 is $2.6 million and is expected to be recognized over a weighted average period of approximately 2.7 years.

The following weighted average assumptions were used to determine the fair value of the PSUs granted on the original grant date for expense recognition purposes for PSUs granted during the three months ended March 31, 2022 and 2021 using a Monte Carlo Model:

	Three months ended
	March 31, 2022	March 31, 2021
Expected dividend rate	$0.38	$0.38
Expected volatility	37.60%	39.10%
Risk-free interest rate	2.00%	0.28%
Expected life (in years)	2.80	2.81

The expected term of the PSUs is based on their remaining performance period. The risk-free interest rate is based on the U.S. Treasury rates at the date of grant with maturity dates approximately equal to the expected life at the grant date. Volatility is based on historical volatility of our stock over time periods equal to the expected life at grant date.

A summary of the unvested PSUs is as follows:

	Shares	Weighted Average Grant Date Fair Value
Unvested at December 31, 2021	16,851	$	87.78
Granted	41,621	44.74
Vested	—	—
Forfeited	—	—
Unvested at March 31, 2022	58,472	$	57.14

Key Employee Awards

Subject to the MIPA Agreement (Note 3), the Company granted awards to key employees of BasX ("Key Employee Awards"). Unlike our restricted stock awards under the 2016 Plan, the Key Employee Awards are not considered legally outstanding and do not accrue dividends during the vesting period. The potential future issuance of the Key Employee Awards is contingent upon BasX meeting certain post-closing earn-out milestones during each of the years ending 2021, 2022 and 2023 as defined by the MIPA Agreement and continued employment with the Company. At the end of the earn-out period, ending December 31, 2023, each eligible Key Employee Award will vest and be converted into common stock. The fair value of Key Employee Awards is based on the fair market value of AAON common stock on the grant date. The Key Employee Awards do not accrue dividends.

The total pre-tax compensation cost related to unvested Key Employee Awards not yet recognized as of March 31, 2022 is $1.5 million and is expected to be recognized over a weighted average period of approximately 1.8 years.

A summary of the unvested Key Employee Awards is as follows:

	Shares	Weighted Average Grant Date Fair Value
Unvested at December 31, 2021	26,599	$	80.18
Granted	—	—
Vested	—	—
Forfeited	—	—
Unvested at March 31, 2022	26,599	$	80.18

Share-Based Compensation

A summary of share-based compensation is as follows:

	Three Months Ended
	March 31, 2022		March 31, 2021
Grant date fair value of awards during the period:	(in thousands)
Options	$	4,849	$	6,513
Performance awards	1,862		1,506
Restricted stock	2,137		1,400
Total	$	8,848	$	9,419
Share-based compensation expense:
Options	$	2,040	$	2,163
Performance awards	185		41
Restricted stock	679		557
Key employee awards	208		—
Total	$	3,112	$	2,761
Income tax benefit/(deficiency) related to share-based compensation:
Options	$	293	$	2,295
Restricted stock	219		615
Total	$	512	$	2,910

Share-based compensation expense is recognized on a straight-line basis over the service period of the related share-based compensation award. Historically, stock options and restricted stock awards, granted to employees, vest at a rate of 20% per year. Restricted stock awards granted to directors historically vest one-third each year or, if granted on or after May 2019, vest over the shorter of directors' remaining elected term or one-third each year. As of March 2021, all new grants of stock options and restricted stock awards, granted to employees, vest at a rate of 33.3% per year. Forfeitures are accounted for as they occur.

Historically, if the employee or director is retirement eligible (as defined by the applicable LTIP or 2016 Plan) or becomes retirement eligible during service period of the related share-based compensation award, the service period (and compensation expense recognition) is the lesser of 1) the grant date, if retirement eligible on grant date, or 2) the period between grant date and retirement eligible date. All stock options and restricted stock awards granted on or after March 1, 2020 to retirement eligible employees or directors contain a one-year employment requirement (minimum service period) or the entire award is forfeited. Forfeitures are accounted for as they occur.

The PSUs cliff vest on December 31, at the end of the third year from the date of grant. Share-based compensation expense is recognized on a straight-line basis over the service period of PSUs. The PSUs are subject to several service and market conditions, as defined by the PSU agreement, which allows the holder to retain a pro-rata amount of awards as a result of certain termination conditions, retirement, change in common control, or death. Forfeitures are accounted for as they occur.

The Key Employee Awards cliff vest on December 31, 2023. Share-based compensation expense is recognized on a straight-line basis over the service period of the Key Employee Awards when it is probable that the performance conditions will be satisfied. The Key Employee Awards are subject to several service and performance conditions, as defined by the Key Employee Award agreement, which allows the holder to retain an amount of the awards as a result of certain termination conditions or change in common control. Forfeitures are accounted for as they occur.

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Employee Benefits

3 Months Ended

Mar. 31, 2022

Retirement Benefits [Abstract]

Employee Benefits

Employee Benefits

Defined Contribution Plan - 401(k)

We sponsor a defined contribution plan (the “Plan”). Eligible employees may make contributions in accordance with the Plan and IRS guidelines. In addition to the traditional 401(k), eligible employees are given the option of making an after-tax contribution to a Roth 401(k) or a combination of both. The Plan provides for automatic enrollment and for an automatic increase to the deferral percentage at January 1st of each year and each year thereafter. Eligible employees are automatically enrolled in the Plan at a 6% deferral rate and currently contributing employees deferral rates will be increased to 6% unless their current rate is above 6% or the employee elects to decline the automatic enrollment or increase. Administrative expenses are paid for by Plan participants. The Company paid no administrative expenses during the three months ended March 31, 2022 and 2021.

The Company matches 175% up to 6% of employee contributions of eligible compensation. Additionally, Plan participant forfeitures are used to reduce the cost of the Company contributions.

	Three Months Ended
	March 31, 2022		March 31, 2021
	(in thousands)
Contributions, net of forfeitures, made to the defined contribution plan	$	3,306	$	2,280

Profit Sharing Bonus Plan

We maintain a discretionary profit sharing bonus plan under which approximately 10% of pre-tax profit from consolidated AAON Oklahoma and AAON Coil Products is paid to eligible employees on a quarterly basis in order to reward employee productivity. Eligible employees are regular full-time employees of AAON Oklahoma or AAON Coil Products who are actively employed and working on the first and last days of the calendar quarter and who were employed full-time for at least three full months prior to the beginning of the calendar quarter, excluding the Company's senior leadership team.

	Three Months Ended
	March 31, 2022		March 31, 2021
	(in thousands)
Profit sharing bonus plan expense	$	2,669	$	2,132

Employee Medical Plan

We self-insure for our employees' health insurance. Eligible employees are regular full-time employees who are actively employed and working. Participants are expected to pay a portion of the premium costs for coverage of the benefits provided under the Plan. We estimate our self-insurance liabilities using an analysis provided by our claims administrator and our historical claims experience. In addition, the Company matches 175% of a participating employee's allowed contributions to a qualified health saving account to assist employees with our health insurance plan deductibles.

	Three Months Ended
	March 31, 2022		March 31, 2021
	(in thousands)
Medical claim payments	$	1,946	$	1,813
Health saving account contributions	939		857

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Earnings Per Share

3 Months Ended

Mar. 31, 2022

Earnings Per Share [Abstract]

Earnings Per Share

Earnings Per Share

Basic net income per share is calculated by dividing net income by the weighted average number of shares of common stock outstanding during the period. Diluted net income per share assumes the conversion of all potentially dilutive securities and is calculated by dividing net income by the sum of the weighted average number of shares of common stock outstanding plus all potentially dilutive securities. Dilutive common shares consist primarily of stock options and restricted stock awards.

The following table sets forth the computation of basic and diluted earnings per share:

	Three Months Ended
	March 31, 2022		March 31, 2021
Numerator:	(in thousands, except share and per share data)
Net income	$	18,059	$	16,376
Denominator:
Basic weighted average shares	52,613,232		52,293,464
Effect of dilutive shares related to stock based compensation1	927,137		1,521,180
Effect of dilutive shares related to contingent consideration2	410,626		—
Diluted weighted average shares	53,950,995		53,814,644
Earnings per share:
Basic	$	0.34	$	0.31
Dilutive	$	0.33	$	0.30
Anti-dilutive shares:
Shares	437,636		100,625
1 Dilutive shares related to stock options, restricted stock, PSUs and Key Employee Awards (Note 13)
2 Dilutive shares related to contingent shares issued to the former owners of BasX (Note 3 & Note 16)

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Stockholders' Equity

3 Months Ended

Mar. 31, 2022

Stockholders' Equity Note [Abstract]

Stockholders' Equity

Stockholders’ Equity

Stock Repurchases

The Board has authorized three stock repurchase programs for the Company. The Company may purchase shares on the open market from time to time, up to a total of 5.7 million shares. The Board must authorize the timing and amount of these purchases and all repurchases are in accordance with the rules and regulations of the SEC allowing the Company to repurchase shares from the open market.

Our open market repurchase programs are as follows:

Effective Date	Authorized Repurchase $	Expiration Date
May 16, 2018 1	$15 million	March 1, 2019
March 5, 2019 1	$20 million	March 4, 2020
March 13, 2020	$20 million	** 2
1 The 2018 and 2019 purchase authorizations were executed under 10b5-1 programs.
2 Expiration Date is at Board's discretion. The Company is authorized to effectuate repurchases of the Company's common stock on terms and conditions approved in advance by the Board.

The Company also has a stock repurchase arrangement by which employee-participants in our 401(k) savings and investment plan are entitled to have shares in AAON, Inc. stock in their accounts sold to the Company. The maximum number of shares to be repurchased is contingent upon the number of shares sold by employee-participants.

Lastly, the Company repurchases shares of AAON, Inc. stock from certain of its directors and employees for payment of statutory tax withholdings on stock transactions. All other repurchases from directors or employees are contingent upon Board

approval. All repurchases are done at current market prices.

Our repurchase activity is as follows:

	Three Months Ended
	March 31, 2022					March 31, 2021
	(in thousands, except share and per share data)
Program	Shares	Total $		$ per share		Shares	Total $		$ per share
Open market	—	$	—	$	—	—	$	—	$	—
401(k)	54,305	3,278		60.36		70,350	5,185		73.70
Directors and employees	13,358	804		60.19		16,972	1,217		71.71
Total	67,663	$	4,082	$	60.33	87,322	$	6,402	$	73.31

Our repurchase activity since Company inception, including our current authorized stock repurchase programs, are as follows:

	Inception to			March 31, 2022
	(in thousands, except share and per share data)
Program	Shares	Total $			$ per share
Open market	4,205,255	$	74,793		$	17.79
401(k)	8,258,737	169,154			20.48
Directors and employees	2,041,085	23,145			11.34
Total	14,505,077	$	267,092		$	18.41

Subsequent to March 31, 2022 and through May 2, 2022, the Company repurchased a total of 16,692 shares for $0.9 million from our 401(k) savings and investment plan and from our employees for payment of statutory tax withholdings on stock transactions.

Dividends

At the discretion of the Board, we pay semi-annual cash dividends. Board approval is required to determine the date of declaration and amount for each semi-annual dividend payment.

Our recent dividends are as follows:

Declaration Date	Record Date	Payment Date	Dividend per Share
May 17, 2021	June 3, 2021	July 1, 2021	$0.19
November 9, 2021	November 26, 2021	December 17, 2021	$0.19

Contingent Shares Issued in BasX Acquisition

On December 10, 2021, we closed on the acquisition of BasX (Note 3). Under the MIPA Agreement, we committed to $78.0 million in the aggregate of contingent consideration to the former owners of BasX, which is payable in approximately 1,037,000 shares of the Company's stock, par value $0.004 per share. The shares do not accrue dividends.

Under the MIPA Agreement, the potential future issuance of the shares is contingent upon BasX meeting certain post-closing earn-out milestones during each of the years ended 2021, 2022, and 2023. Based on the final allocation of the consideration paid (Note 3), we estimated the fair value of contingent consideration related to these shares to be approximately $60.0 million, which is included in additional paid-in capital on the consolidated balance sheets. As of March 31, 2022, 486,268 shares related to the year ended 2021 earn-out milestone had been issued to the former owners of BasX as part of a private placement exempt from registration with the SEC under Rule 506(b), which are included in common stock on the consolidated statements of stockholders' equity. No additional shares have been issued as of May 2, 2022.

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New Market Tax Credit

3 Months Ended

Mar. 31, 2022

New Market Tax Credit [Abstract]

New Market Tax Credit

New Markets Tax Credit

On October 24, 2019, the Company entered into a transaction with a subsidiary of an unrelated third-party financial institution (the “Investor”) and a certified Community Development Entity under a qualified New Markets Tax Credit (“NMTC”) program pursuant to Section 45D of the Internal Revenue Code of 1986, as amended, related to an investment in plant and equipment to facilitate the expansion of our Longview, Texas manufacturing operations (the “Project”). In connection with the NMTC transaction, the Company received a $23.0 million NMTC allocation for the Project and secured low interest financing and the potential for future debt forgiveness related to the Project.

Upon closing of the NMTC transaction, the Company provided an aggregate of approximately $15.9 million to the Investor, in the form of a loan receivable, with a term of twenty-five years, bearing an interest rate of 1.0%. This $15.9 million in proceeds plus capital contributed from the Investor was used to make an aggregate $22.5 million loan to a subsidiary of the Company. This financing arrangement is secured by equipment at the Company's Longview, Texas facilities and a guarantee from the Company, including an unconditional guarantee of NMTCs.

This transaction also includes a put/call feature that either of which can be exercised at the end of the seven-year compliance period. The Investor may exercise its put option or the Company can exercise the call, both of which could serve to trigger forgiveness of a portion of the debt. The Investor's interest of $6.3 million is recorded in New market tax credit obligation on the consolidated balance sheet. The Company incurred approximately $0.3 million of debt issuance costs related to the above transactions, which are being amortized over the life of the transaction.

The Investor is subject to 100 percent recapture of the NMTC it receives for a period of seven years, as provided in the Internal Revenue Code and applicable U.S. Treasury regulations in the event that the financing facility of the Borrower under the transaction (AAON Coil Products, Inc.) becomes ineligible for NMTC treatment per the Internal Revenue Code requirements. The Company is required to be in compliance with various regulations and contractual provisions that apply to the NMTC arrangement. Noncompliance with applicable requirements could result in the Investor’s projected tax benefits not being realized and, therefore, require the Company to indemnify the Investor for any loss or recapture of the NMTC related to the financing until such time as the recapture provisions have expired under the applicable statute of limitations. The Company does not anticipate any credit recapture will be required in connection with this financing arrangement.

The Investor and its majority owned community development entity are considered VIEs and the Company is the primary beneficiary of the VIEs. Because the Company is the primary beneficiary of the VIEs, they have been included in the consolidated financial statements. There are no other assets, liabilities or transactions in these VIEs outside of the financing transactions executed as part of the NMTC arrangement.

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Commitments and Contingencies

3 Months Ended

Mar. 31, 2022

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies

We are subject to various claims and legal actions that arise in the ordinary course of business. We closely monitor these claims and legal actions and frequently consult with our legal counsel to determine whether they may, when resolved, have a material adverse effect on our financial position, results of operations or cash flows and we accrue and/or disclose loss contingencies as appropriate. We have concluded that the likelihood is remote that the ultimate resolution of any pending litigation or claims will be material or have a material adverse effect on the Company's business, financial position, results of operations and/or cash flows.

We are occasionally party to short-term, cancellable and occasionally non-cancellable, fixed price contracts with major suppliers for the purchase of raw material and component parts. We expect to receive delivery of raw materials for use in our manufacturing operations. These contracts are not accounted for as derivative instruments because they meet the normal purchase and normal sales exemption. We had no material contractual purchase obligations as of March 31, 2022.

On April 27, 2022, the Company entered into a purchase sales agreement with a third party manufacturer to purchase the intellectual property rights to design and manufacture fan wheels for the purchase price of approximately $6.5 million. The purchase price will be paid in three installments over the next 18 months. As of May 2, 2022 we have paid approximately $1.0 million related to this agreement.

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Related Parties

3 Months Ended

Mar. 31, 2022

Related Party Transactions [Abstract]

Related Parties

Related Parties

The Company purchases some supplies from an entity controlled by the Company’s Executive Chairman. The Company sometimes makes sales to the Executive Chairman for parts. Additionally, the Company sells units to an entity owned by a member of the CEO/President's immediate family. This entity is also one of the Company’s Representatives and as such, the Company makes payments to the entity for third party products. Through the acquisition of BasX (Note 3), at March 31, 2022, the Company leased an manufacturing and office facility in Redmond, Oregon from an entity in which certain members of management have an ownership interest.

The following is a summary of transactions and balance with affiliates:

	Three Months Ended
	March 31, 2022		March 31, 2021
	(in thousands)
Sales to affiliates	$	752	$	566
Payments to affiliates	364		73
	March 31, 2022		December 31, 2021
	(in thousands)
Due from affiliates	$	514	$	547
Due to affiliates	—		—

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Segments

3 Months Ended

Mar. 31, 2022

Segment Reporting [Abstract]

Segments

Segments

The Company has determined that it has three reportable segments for financial reporting purposes. Management evaluates the performance of its business segments primarily on gross profit. The Company's chief decision maker ("CODM"), our CEO, allocates resources and assesses the performance of each operating segment using information about the operating segment's net sales and income from operations. The CODM does not evaluate operating segments using asset or liability information.

AAON Oklahoma: AAON Oklahoma designs, manufactures, sells and services standard, semi-custom and custom HVAC systems, designs and produces controls solutions for all of our HVAC units and sells retail parts to customers through our two retail part stores. Through the NAIC research and development laboratory facility, AAON Oklahoma is able test units units under various environmental conditions. AAON Oklahoma includes the operations of both our Tulsa, Oklahoma and Parkville, Missouri facilities, our NAIC research and development laboratory facility and two retail parts locations.

AAON Coil Products: AAON Coil Products designs and manufactures a selection of our standard, semi-custom and custom HVAC systems. In addition, AAON Coil Products designs and manufactures various heating and cooling coils to be used in HVAC systems, mostly for the benefit of AAON Oklahoma and AAON Coil Products. AAON Coil Products consists of operations at our Longview, Texas facilities.

BasX: BasX provides product development design and manufacturing of custom engineered air handling systems including high efficiency data center cooling solutions, cleanroom solutions, HVAC systems and modular solutions. BasX consists of operations at our Redmond, Oregon facility.

The following table summarizes certain financial data related to our segments. Transactions between segments are recorded based on prices negotiated between the segments. The Gross Profit amounts shown below are presented after elimination entries.

	Three Months Ended
	March 31, 2022		March 31, 2021
Net Sales	(in thousands)
AAON Oklahoma
External sales	$	139,867	$	99,976
Inter-segment sales	389		506
AAON Coil Products
External sales	21,935		15,812
Inter-segment sales	7,917		5,384
BasX1	20,969		—
Eliminations	(8,306)		(5,890)
Net sales	$	182,771	$	115,788
Gross Profit
AAON Oklahoma	$	33,836	$	29,772
AAON Coil Products	7,306		3,385
BasX1	4,922		—
Gross profit	$	46,064	$	33,157
1 BasX was acquired on December 10, 2021.

	March 31, 2022		December 31, 2021
Long-lived assets	(in thousands)
AAON Oklahoma	$	190,621	$	183,840
AAON Coil Products	63,957		62,534
BasX	28,654		28,662
Total long-lived assets	$	283,232	$	275,036
Intangible assets and goodwill
AAON Oklahoma	$	3,229	$	3,229
AAON Coil Products	—		—
BasX	145,973		152,619
Total intangible assets and goodwill	$	149,202	$	155,848

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General (Policies)

3 Months Ended

Mar. 31, 2022

Basis of Presentation and Significant Accounting Policies [Abstract]

Use of Estimates

Use of Estimates

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Because these estimates and assumptions require significant judgment, actual results could differ from those estimates and could have a significant impact on our results of operations, financial position and cash flows. We reevaluate our estimates and assumptions as needed, but at a minimum on a quarterly basis. The most significant estimates include, but are not limited to, inventory reserves, warranty accrual, worker's compensation accrual, medical insurance accrual, income taxes, useful lives of property, plant, and equipment, and share-based compensation. Actual results could differ materially from those estimates.

Change in EstimateDuring the first quarter of 2022, a review of the Company’s useful lives for certain sheet metal manufacturing equipment at our Longview, Texas location resulted in a change in estimate that increased the useful lives from between ten and twelve years to fifteen years. This determination was based on recent and estimated future production levels as well as management’s knowledge of the equipment and historical and future use of the equipment. The change in estimate was made prospectively and resulted in a decrease to depreciation expense within cost of sales on our consolidated statements of income of $1.8 million during the three months ended March 31, 2022.

Fair Value Measurements

Fair Value Measurements

The carrying amounts of cash and cash equivalents, receivables, accounts payable, and accrued liabilities approximate fair value because of the short-term maturity of the items. The carrying amount of the Company’s revolving line of credit, and other payables, approximate their fair values either due to their short term nature, the variable rates associated with the debt, or based on current rates offered to the Company for debt with similar characteristics.

Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability (an exit price) in an orderly transaction between market participants at the measurement date. Fair value is based upon assumptions that market participants would use when pricing an asset or liability. We use the following fair value hierarchy, which prioritizes valuation technique inputs used to measure fair value into three broad levels:

•Level 1: Quoted prices in active markets for identical assets and liabilities that we have the ability to access at the measurement date.

•Level 2: Inputs (other than quoted prices included within Level 1) that are either directly or indirectly observable for the asset or liability, including (i) quoted prices for similar assets or liabilities in active markets, (ii) quoted prices for identical or similar assets or liabilities in inactive markets, (iii) inputs other than quoted prices that are observable for the asset or liability, and (iv) inputs that are derived from observable market data by correlation or other means.

•Level 3: Unobservable inputs for the asset or liability including situations where there is little, if any, market activity for the asset or liability. Items categorized in Level 3 include the estimated fair values of property, plant and equipment, intangible assets, contingent consideration, and goodwill acquired in a business combination.

The fair value hierarchy gives the highest priority to quoted prices in active markets (Level 1) and the lowest priority to unobservable inputs (Level 3). In some cases, the inputs used to measure fair value might fall into different levels of the fair value hierarchy. The lowest level input that is significant to a fair value measurement determines the applicable level in the fair value hierarchy. Assessing the significance of a particular input to a fair value measurement requires judgment, considering factors specific to the asset or liability.

Definite-Lived Intangible Assets

Our definite-lived intangible assets include various trademarks, service marks, and technical knowledge acquired in business combinations (Note 3). We evaluate the carrying value of our amortizable intangible assets for potential impairment when events and circumstances warrant such a review. 

Amortization is computed using the straight-line method over the following estimated useful lives:

Intellectual property	30 years
Customer relationships	14 years

Intangible Assets

Definite-Lived Intangible AssetsOur definite-lived intangible assets include various trademarks, service marks, and technical knowledge acquired in business combinations (Note 3). We evaluate the carrying value of our amortizable intangible assets for potential impairment when events and circumstances warrant such a review.

Goodwill

dentical or similar assets or liabilities in inactive markets, (iii) inputs other than quoted prices that are observable for the asset or liability, and (iv) inputs that are derived from observable market data by correlation or other means.

•Level 3: Unobservable inputs for the asset or liability including situations where there is little, if any, market activity for the asset or liability. Items categorized in Level 3 include the estimated fair values of property, plant and equipment, intangible assets, contingent consideration, and goodwill acquired in a business combination.

The fair value hierarchy gives the highest priority to quoted prices in active markets (Level 1) and the lowest priority to unobservable inputs (Level 3). In some cases, the inputs used to measure fair value might fall into different levels of the fair value hierarchy. The lowest level input that is significant to a fair value measurement determines the applicable level in the fair value hierarchy. Assessing the significance of a particular input to a fair value measurement requires judgment, considering factors specific to the asset or liability.

Definite-Lived Intangible Assets

Our definite-lived intangible assets include various trademarks, service marks, and technical knowledge acquired in business combinations (Note 3). We evaluate the carrying value of our amortizable intangible assets for potential impairment when events and circumstances warrant such a review. 

Amortization is computed using the straight-line method over the following estimated useful lives:

Intellectual property	30 years
Customer relationships	14 years

Recent Accounting Pronouncements

Recent Accounting Pronouncements

Changes to U.S. GAAP are established by the Financial Accounting Standards Board ("FASB") in the form of Accounting Standards Updates ("ASUs") to the FASB's Accounting Standards Codification ("ASC"). We consider the applicability and impact of all ASUs. ASUs not listed or included within the Company's Annual Report on Form 10-K for the year ended December 31, 2021, were assessed and determined to be either not applicable or are expected to have minimal impact on our consolidated financial statements and notes thereto.

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General (Tables)

3 Months Ended

Mar. 31, 2022

Basis of Presentation and Significant Accounting Policies [Abstract]

Schedule of Intangible Assets

Amortization is computed using the straight-line method over the following estimated useful lives:

Intellectual property	30 years
Customer relationships	14 years

Our intangible assets consist of the following:

	March 31, 2022		December 31, 2021
Definite-lived intangible assets	(in thousands)
Intellectual property	$	6,295	$	6,479
Customer relationships	47,547		48,684
Less:  Accumulated amortization	(1,103)		(208)
Total, net	52,739		54,955
Indefinite-lived intangible assets
Trademarks	14,571		15,166
Total intangible assets, net	$	67,310	$	70,121

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Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2022

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregation of Revenue

The following tables show disaggregated net sales by reportable segment (see Note 20) by major source, net of intercompany sales eliminations. As the BasX segment was not applicable during the three months ended March 31, 2021, this segment has been excluded from the table for that period.

	Three Months Ended March 31, 2022
	AAON Oklahoma		AAON Coil Products		BasX		Total
	(in thousands)
Rooftop Units	$	121,706	$	—	$	—	$	121,706
Condensing Units	242		8,976		—		9,218
Air Handlers	—		9,438		1,339		10,777
Outdoor Mechanical Rooms	554		110		—		664
Cleanroom Systems	—		—		8,039		8,039
Data Center Cooling Solutions	—		—		10,868		10,868
Water-Source Heat Pumps	2,986		2,353		—		5,339
Part Sales	10,216		—		—		10,216
Other2	4,163		1,058		723		5,944
	$	139,867	$	21,935	$	20,969	$	182,771
	Three Months Ended March 31, 2021
	AAON Oklahoma		AAON Coil Products		BasX1		Total
	(in thousands)
Rooftop Units	$	87,425	$	—	—		$	87,425
Condensing Units	249		6,282		—		6,531
Air Handlers	—		6,414		—		6,414
Outdoor Mechanical Rooms	63		148		—		211
Water-Source Heat Pumps	2,388		2,277		—		4,665
Part Sales	7,506		—		—		7,506
Other2	2,345		691		—		3,036
	$	99,976	$	15,812	—		$	115,788
1 BasX was acquired by the Company on December 10, 2021.
2 Other sales include freight, extended warranties and miscellaneous revenue.

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Business Combination (Tables)

3 Months Ended

Mar. 31, 2022

Business Combinations [Abstract]

Schedule of Acquisition

The following table presents the revised allocation of the consideration paid to the assets acquired and liabilities assumed in the acquisition of BasX described above, which was still preliminary at December 31, 2021. The revisions indicated below were recorded during the three months ended March 31, 2022. The revisions were the results of updates to our preliminary estimates and third party valuation models. The impact of such revisions on net income for prior periods was not significant.

	Revised Allocation as of March 31, 2022		Estimated Allocation as of December 31, 2021		Revision
			(in thousands)
Accounts receivable	$	13,699	$	13,699	$	—
Inventories	2,725		2,725		—
Contract assets	7,635		7,635		—
Prepaid expenses and other	341		341		—
Property, plant and equipment	13,169		13,169		—
Right of use assets	15,611		15,611		—
Intangible assets	68,413		70,329		(1,916)
Goodwill	78,663		82,498		(3,835)
Accounts payable	(9,388)		(9,388)		—
Accrued liabilities	(3,807)		(3,807)		—
Contract liabilities	(7,771)		(7,771)		—
Lease liabilities	(15,611)		(15,611)		—
Contingent Consideration - shares of AAON, Inc.	(60,000)		(66,000)		6,000
Consideration paid	$	103,679	$	103,430	$	249

Schedule of Finite-Lived and Indefinite-Lived Intangible Assets Acquired

The Company recognized the following definite and indefinite-lived intangible assets as part of the acquisition of BasX:

	Revised Allocation as of March 31, 2022		Estimated Allocation as of December 31, 2021		Revision
			(in thousands)
Definite-lived intangible assets
Intellectual property	$	6,295	$	6,479	$	(184)
Customer relationships	47,547		48,684		(1,137)
	53,842		55,163		(1,321)
Indefinite-lived intangible assets
Trademarks	14,571		15,166		(595)
Total intangible assets acquired	$	68,413	$	70,329	$	(1,916)

Schedule of Pro Forma Information

Pro Forma Results of Operations (unaudited)

The operations of BasX have been included in our statements of income since the closing date on December 10, 2021. The following unaudited pro forma consolidated results of operations for the three months ended March 31, 2021 are presented as if the combination had been made on January 1, 2021.

	(unaudited)
	Three months ended
	March 31, 2021
	(in thousands, except per share data)
Revenues	$	130,631
Net income	16,972
Earnings per share:
Basic	$	0.32
Dilutive	$	0.32

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Accounts Receivable (Tables)

3 Months Ended

Mar. 31, 2022

Receivables [Abstract]

Accounts Receivable

	March 31, 2022		December 31, 2021
	(in thousands)
Accounts receivable	$	114,573	$	71,329
Less:  Allowance for credit losses	(837)		(549)
Total, net	$	113,736	$	70,780

Allowance for Doubtful Accounts

	Three Months Ended
	March 31, 2022		March 31, 2021
Allowance for credit losses:	(in thousands)
Balance, beginning of period	$	549	$	506
Provisions for (recoveries of) expected credit	288		(13)
losses, net of adjustments
Balance, end of period	$	837	$	493

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Inventories (Tables)

3 Months Ended

Mar. 31, 2022

Inventory Disclosure [Abstract]

Inventories

The components of inventories and related changes in the allowance for excess and obsolete inventories account are as follows:

	March 31, 2022		December 31, 2021
	(in thousands)
Raw materials	$	140,424	$	124,480
Work in process	3,003		3,049
Finished goods	4,671		4,528
Total, gross	148,098		132,057
Less:  Allowance for excess and obsolete inventories	(2,007)		(1,787)
Total, net	$	146,091	$	130,270

Inventories (Allowance)

	Three Months Ended
	March 31, 2022		March 31, 2021
Allowance for excess and obsolete inventories:	(in thousands)
Balance, beginning of period	$	1,787	$	3,261
Provision for (recovery of) excess and	220		(194)
obsolete inventories
Inventories written off	—		(763)
Balance, end of period	$	2,007	$	2,304

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Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets

Amortization is computed using the straight-line method over the following estimated useful lives:

Intellectual property	30 years
Customer relationships	14 years

Our intangible assets consist of the following:

	March 31, 2022		December 31, 2021
Definite-lived intangible assets	(in thousands)
Intellectual property	$	6,295	$	6,479
Customer relationships	47,547		48,684
Less:  Accumulated amortization	(1,103)		(208)
Total, net	52,739		54,955
Indefinite-lived intangible assets
Trademarks	14,571		15,166
Total intangible assets, net	$	67,310	$	70,121

Schedule of Amortization Expense

Amortization expense recorded in cost of sales is as follows:

	Three Months Ended
	March 31, 2022		March 31, 2021
	(in thousands)
Amortization expense	$	895	$	38

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Supplemental Cash Flow Information (Tables)

3 Months Ended

Mar. 31, 2022

Supplemental Cash Flow Elements [Abstract]

Supplemental Cash Flow Information

	Three Months Ended
	March 31, 2022		March 31, 2021
Supplemental disclosures:	(in thousands)
Interest paid	$	115	$	—
Income taxes paid	$	176	$	213
Non-cash investing and financing activities:
Non-cash capital expenditures	$	458	$	264

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Warranties (Tables)

3 Months Ended

Mar. 31, 2022

Guarantees [Abstract]

Warranty

Changes in the warranty accrual are as follows:

	Three Months Ended
	March 31, 2022		March 31, 2021
Warranty accrual:	(in thousands)
Balance, beginning of period	$	13,769	$	13,522
Payments made	(1,219)		(1,464)
Provisions	1,157		1,467
Balance, end of period	$	13,707	$	13,525
Warranty expense:	$	1,157	$	1,467

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Accrued Liabilities and Other Long-Term Liabilities (Tables)

3 Months Ended

Mar. 31, 2022

Payables and Accruals [Abstract]

Accrued Liabilities

Accrued liabilities were comprised of the following:

	March 31, 2022		December 31, 2021
	(in thousands)
Warranty	$	13,707	$	13,769
Due to representatives	13,453		7,995
Payroll	7,601		8,423
Profit sharing	2,670		1,489
Worker's compensation	261		308
Medical self-insurance	1,208		1,943
Customer prepayments	2,870		5,931
Donations	453		438
Employee vacation time	5,000		4,362
Operating lease liability, short-term	1,683		1,580
Other	3,984		3,968
Total	$	52,890	$	50,206

Schedule of Other Long-Term Liabilities

Other long-term liabilities were comprised of the following:

 

	March 31, 2022		December 31, 2021
	(in thousands)
Long-term operating lease obligation	$	15,320	$	15,467
Long-term donations	221		334
Extended warranties	3,152		3,042
Total	$	18,693	$	18,843

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Income Taxes (Tables)

3 Months Ended

Mar. 31, 2022

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit)

The provision (benefit) for income taxes consists of the following:

	Three Months Ended
	March 31, 2022		March 31, 2021
	(in thousands)
Current	$	3,809	$	(2,553)
Deferred	973		4,658
Income tax provision	$	4,782	$	2,105

Schedule of Effective Income Tax Rate Reconciliation

The reconciliation of the Federal statutory income tax rate to the effective income tax rate is as follows:

	Three Months Ended
	March 31, 2022		March 31, 2021
Federal statutory rate	21.0	%	21.0	%
State income taxes, net of Federal benefit	3.0		7.5
Excess tax benefits	(2.2)		(15.8)
Return to provision adjustments	—		(0.4)
Other	(0.9)		(0.9)
Effective tax rate	20.9	%	11.4	%

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Share-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2022

Share-based Payment Arrangement [Abstract]

Summary of Stock Option Assumptions

The following weighted average assumptions were used to determine the fair value of the stock options granted on the original grant date for expense recognition purposes for options granted during the three months ended March 31, 2022 and 2021 using a Black Scholes-Merton Model:

	Three months ended
	March 31, 2022	March 31, 2021
Directors and SLT1:
Expected dividend rate	$0.38	$0.38
Expected volatility	35.87%	35.78%
Risk-free interest rate	2.11%	0.50%
Expected life (in years)	4.0	4.0
Employees:
Expected dividend rate	$0.38	$0.38
Expected volatility	37.16%	38.70%
Risk-free interest rate	1.98%	0.30%
Expected life (in years)	3.0	3.0
1 Senior Leadership Team ("SLT") consists of officers and key members of management.

The following weighted average assumptions were used to determine the fair value of the PSUs granted on the original grant date for expense recognition purposes for PSUs granted during the three months ended March 31, 2022 and 2021 using a Monte Carlo Model:

	Three months ended
	March 31, 2022	March 31, 2021
Expected dividend rate	$0.38	$0.38
Expected volatility	37.60%	39.10%
Risk-free interest rate	2.00%	0.28%
Expected life (in years)	2.80	2.81

Summary of Stock Options Outstanding

The following is a summary of stock options vested and exercisable as of March 31, 2022:

 

Range of Exercise Prices					Number of Shares	Weighted Average Remaining Contractual Life (in years)	Weighted Average Exercise Price		Intrinsic Value (in thousands)
$	8.17	-	$	41.37	1,323,510	5.73	$	36.12	$	25,953
$	42.42	-	$	65.24	271,925	7.82	44.72		3,005
$	65.29	-	$	79.81	101,868	8.86	73.22		—
			Total		1,697,303	6.25	$	39.72	$	28,958

The following is a summary of stock options vested and exercisable as of March 31, 2021:

Range of Exercise Prices					Number of Shares	Weighted Average Remaining Contractual Life (in years)	Weighted Average Exercise Price		Intrinsic Value (in thousands)
$	7.18	-	$	40.87	621,552	5.58	$	30.01	$	24,863
$	41.37	-	$	41.37	427,899	7.86	41.37		12,255
$	41.78	-	$	75.00	143,232	8.75	44.45		3,661
			Total		1,192,683	6.78	$	35.82	$	40,779

Summary of Stock Option Activity

A summary of stock option activity under the plans is as follows:

Stock Options	Shares	Weighted Average Exercise Price
Outstanding at December 31, 2021	3,365,469	$	42.88
Granted	353,723	54.52
Exercised	(79,169)	36.51
Forfeited or Expired	(25,288)	51.58
Outstanding at March 31, 2022	3,614,735	$	44.10
Exercisable at March 31, 2022	1,697,303	$	39.72

Summary of Unvested Restricted Stock Awards

A summary of the unvested restricted stock awards is as follows:

	Shares	Weighted Average Grant Date Fair Value
Unvested at December 31, 2021	161,225	$	46.08
Granted	39,903	53.55
Vested	(48,479)	42.20
Forfeited	(581)	49.75
Unvested at March 31, 2022	152,068	$	49.26

Schedule of Nonvested Key Employee Award Activity

A summary of the unvested Key Employee Awards is as follows:

	Shares	Weighted Average Grant Date Fair Value
Unvested at December 31, 2021	26,599	$	80.18
Granted	—	—
Vested	—	—
Forfeited	—	—
Unvested at March 31, 2022	26,599	$	80.18

Schedule of Nonvested Performance-based Units Activity

A summary of the unvested PSUs is as follows:

	Shares	Weighted Average Grant Date Fair Value
Unvested at December 31, 2021	16,851	$	87.78
Granted	41,621	44.74
Vested	—	—
Forfeited	—	—
Unvested at March 31, 2022	58,472	$	57.14

Summary of Share-Based Compensation Expense

A summary of share-based compensation is as follows:

	Three Months Ended
	March 31, 2022		March 31, 2021
Grant date fair value of awards during the period:	(in thousands)
Options	$	4,849	$	6,513
Performance awards	1,862		1,506
Restricted stock	2,137		1,400
Total	$	8,848	$	9,419
Share-based compensation expense:
Options	$	2,040	$	2,163
Performance awards	185		41
Restricted stock	679		557
Key employee awards	208		—
Total	$	3,112	$	2,761
Income tax benefit/(deficiency) related to share-based compensation:
Options	$	293	$	2,295
Restricted stock	219		615
Total	$	512	$	2,910

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Employee Benefits (Tables)

3 Months Ended

Mar. 31, 2022

Retirement Benefits [Abstract]

Schedule of Contributions Made to Defined Contribution Plan

The Company matches 175% up to 6% of employee contributions of eligible compensation. Additionally, Plan participant forfeitures are used to reduce the cost of the Company contributions.

	Three Months Ended
	March 31, 2022		March 31, 2021
	(in thousands)
Contributions, net of forfeitures, made to the defined contribution plan	$	3,306	$	2,280

Schedule of Profit Sharing Bonus Plan

We maintain a discretionary profit sharing bonus plan under which approximately 10% of pre-tax profit from consolidated AAON Oklahoma and AAON Coil Products is paid to eligible employees on a quarterly basis in order to reward employee productivity. Eligible employees are regular full-time employees of AAON Oklahoma or AAON Coil Products who are actively employed and working on the first and last days of the calendar quarter and who were employed full-time for at least three full months prior to the beginning of the calendar quarter, excluding the Company's senior leadership team.

	Three Months Ended
	March 31, 2022		March 31, 2021
	(in thousands)
Profit sharing bonus plan expense	$	2,669	$	2,132

Schedule of Employee Medical Plan

We self-insure for our employees' health insurance. Eligible employees are regular full-time employees who are actively employed and working. Participants are expected to pay a portion of the premium costs for coverage of the benefits provided under the Plan. We estimate our self-insurance liabilities using an analysis provided by our claims administrator and our historical claims experience. In addition, the Company matches 175% of a participating employee's allowed contributions to a qualified health saving account to assist employees with our health insurance plan deductibles.

	Three Months Ended
	March 31, 2022		March 31, 2021
	(in thousands)
Medical claim payments	$	1,946	$	1,813
Health saving account contributions	939		857

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Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2022

Earnings Per Share [Abstract]

Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per share:

	Three Months Ended
	March 31, 2022		March 31, 2021
Numerator:	(in thousands, except share and per share data)
Net income	$	18,059	$	16,376
Denominator:
Basic weighted average shares	52,613,232		52,293,464
Effect of dilutive shares related to stock based compensation1	927,137		1,521,180
Effect of dilutive shares related to contingent consideration2	410,626		—
Diluted weighted average shares	53,950,995		53,814,644
Earnings per share:
Basic	$	0.34	$	0.31
Dilutive	$	0.33	$	0.30
Anti-dilutive shares:
Shares	437,636		100,625
1 Dilutive shares related to stock options, restricted stock, PSUs and Key Employee Awards (Note 13)
2 Dilutive shares related to contingent shares issued to the former owners of BasX (Note 3 & Note 16)

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Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2022

Stockholders' Equity Note [Abstract]

Schedule of Market Repurchase

Our open market repurchase programs are as follows:

Effective Date	Authorized Repurchase $	Expiration Date
May 16, 2018 1	$15 million	March 1, 2019
March 5, 2019 1	$20 million	March 4, 2020
March 13, 2020	$20 million	** 2
1 The 2018 and 2019 purchase authorizations were executed under 10b5-1 programs.
2 Expiration Date is at Board's discretion. The Company is authorized to effectuate repurchases of the Company's common stock on terms and conditions approved in advance by the Board.

Schedule of Share Repurchases

Our repurchase activity is as follows:

	Three Months Ended
	March 31, 2022					March 31, 2021
	(in thousands, except share and per share data)
Program	Shares	Total $		$ per share		Shares	Total $		$ per share
Open market	—	$	—	$	—	—	$	—	$	—
401(k)	54,305	3,278		60.36		70,350	5,185		73.70
Directors and employees	13,358	804		60.19		16,972	1,217		71.71
Total	67,663	$	4,082	$	60.33	87,322	$	6,402	$	73.31

Our repurchase activity since Company inception, including our current authorized stock repurchase programs, are as follows:

	Inception to			March 31, 2022
	(in thousands, except share and per share data)
Program	Shares	Total $			$ per share
Open market	4,205,255	$	74,793		$	17.79
401(k)	8,258,737	169,154			20.48
Directors and employees	2,041,085	23,145			11.34
Total	14,505,077	$	267,092		$	18.41

Schedule of Dividends Payable

Our recent dividends are as follows:

Declaration Date	Record Date	Payment Date	Dividend per Share
May 17, 2021	June 3, 2021	July 1, 2021	$0.19
November 9, 2021	November 26, 2021	December 17, 2021	$0.19

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Related Parties (Tables)

3 Months Ended

Mar. 31, 2022

Related Party Transactions [Abstract]

Schedule of Related Party Transactions

The following is a summary of transactions and balance with affiliates:

	Three Months Ended
	March 31, 2022		March 31, 2021
	(in thousands)
Sales to affiliates	$	752	$	566
Payments to affiliates	364		73
	March 31, 2022		December 31, 2021
	(in thousands)
Due from affiliates	$	514	$	547
Due to affiliates	—		—

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Segments (Tables)

3 Months Ended

Mar. 31, 2022

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

The following table summarizes certain financial data related to our segments. Transactions between segments are recorded based on prices negotiated between the segments. The Gross Profit amounts shown below are presented after elimination entries.

	Three Months Ended
	March 31, 2022		March 31, 2021
Net Sales	(in thousands)
AAON Oklahoma
External sales	$	139,867	$	99,976
Inter-segment sales	389		506
AAON Coil Products
External sales	21,935		15,812
Inter-segment sales	7,917		5,384
BasX1	20,969		—
Eliminations	(8,306)		(5,890)
Net sales	$	182,771	$	115,788
Gross Profit
AAON Oklahoma	$	33,836	$	29,772
AAON Coil Products	7,306		3,385
BasX1	4,922		—
Gross profit	$	46,064	$	33,157
1 BasX was acquired on December 10, 2021.

	March 31, 2022		December 31, 2021
Long-lived assets	(in thousands)
AAON Oklahoma	$	190,621	$	183,840
AAON Coil Products	63,957		62,534
BasX	28,654		28,662
Total long-lived assets	$	283,232	$	275,036
Intangible assets and goodwill
AAON Oklahoma	$	3,229	$	3,229
AAON Coil Products	—		—
BasX	145,973		152,619
Total intangible assets and goodwill	$	149,202	$	155,848

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General (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($) numberOfVIEs	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)	Oct. 31, 2021	Jul. 31, 2021
Basis of Presentation and Significant Accounting Policies [Abstract]
Number of variable interest entities with directed activities | numberOfVIEs	2
Percent of increase in starting wages for production workforce					7.00%
Percent of cost of living increase				3.50%
Percent on overall increase in wages	3.00%
Intangible assets, net	$ 67,310		$ 70,121
Amortization of intangible assets	895	$ 38
Goodwill, expected tax deductible amount	50,300
Goodwill	81,892		$ 85,727
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Depreciation and amortization	$ (7,076)	$ (7,398)
Intellectual property
Finite-Lived Intangible Assets [Line Items]
Useful life	30 years
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Useful life	14 years
Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Depreciation and amortization	$ 1,800

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Revenue Recognition - Disaggregated Net Sales (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Disaggregation of Revenue [Line Items]
Net sales	$ 182,771	$ 115,788
AAON Oklahoma
Disaggregation of Revenue [Line Items]
Net sales	139,867	99,976
AAON Coil Products
Disaggregation of Revenue [Line Items]
Net sales	21,935	15,812
BasX
Disaggregation of Revenue [Line Items]
Net sales	20,969	0
Rooftop Units
Disaggregation of Revenue [Line Items]
Net sales	121,706	87,425
Rooftop Units | AAON Oklahoma
Disaggregation of Revenue [Line Items]
Net sales	121,706	87,425
Rooftop Units | AAON Coil Products
Disaggregation of Revenue [Line Items]
Net sales	0	0
Rooftop Units | BasX
Disaggregation of Revenue [Line Items]
Net sales	0	0
Condensing Units
Disaggregation of Revenue [Line Items]
Net sales	9,218	6,531
Condensing Units | AAON Oklahoma
Disaggregation of Revenue [Line Items]
Net sales	242	249
Condensing Units | AAON Coil Products
Disaggregation of Revenue [Line Items]
Net sales	8,976	6,282
Condensing Units | BasX
Disaggregation of Revenue [Line Items]
Net sales	0	0
Air Handlers
Disaggregation of Revenue [Line Items]
Net sales	10,777	6,414
Air Handlers | AAON Oklahoma
Disaggregation of Revenue [Line Items]
Net sales	0	0
Air Handlers | AAON Coil Products
Disaggregation of Revenue [Line Items]
Net sales	9,438	6,414
Air Handlers | BasX
Disaggregation of Revenue [Line Items]
Net sales	1,339	0
Outdoor Mechanical Rooms
Disaggregation of Revenue [Line Items]
Net sales	664	211
Outdoor Mechanical Rooms | AAON Oklahoma
Disaggregation of Revenue [Line Items]
Net sales	554	63
Outdoor Mechanical Rooms | AAON Coil Products
Disaggregation of Revenue [Line Items]
Net sales	110	148
Outdoor Mechanical Rooms | BasX
Disaggregation of Revenue [Line Items]
Net sales	0	0
Cleanroom Systems
Disaggregation of Revenue [Line Items]
Net sales	8,039
Cleanroom Systems | AAON Oklahoma
Disaggregation of Revenue [Line Items]
Net sales	0
Cleanroom Systems | AAON Coil Products
Disaggregation of Revenue [Line Items]
Net sales	0
Cleanroom Systems | BasX
Disaggregation of Revenue [Line Items]
Net sales	8,039
Data Center Cooling Solutions
Disaggregation of Revenue [Line Items]
Net sales	10,868
Data Center Cooling Solutions | AAON Oklahoma
Disaggregation of Revenue [Line Items]
Net sales	0
Data Center Cooling Solutions | AAON Coil Products
Disaggregation of Revenue [Line Items]
Net sales	0
Data Center Cooling Solutions | BasX
Disaggregation of Revenue [Line Items]
Net sales	10,868
Water-Source Heat Pumps
Disaggregation of Revenue [Line Items]
Net sales	5,339	4,665
Water-Source Heat Pumps | AAON Oklahoma
Disaggregation of Revenue [Line Items]
Net sales	2,986	2,388
Water-Source Heat Pumps | AAON Coil Products
Disaggregation of Revenue [Line Items]
Net sales	2,353	2,277
Water-Source Heat Pumps | BasX
Disaggregation of Revenue [Line Items]
Net sales	0	0
Part Sales
Disaggregation of Revenue [Line Items]
Net sales	10,216	7,506
Part Sales | AAON Oklahoma
Disaggregation of Revenue [Line Items]
Net sales	10,216	7,506
Part Sales | AAON Coil Products
Disaggregation of Revenue [Line Items]
Net sales	0	0
Part Sales | BasX
Disaggregation of Revenue [Line Items]
Net sales	0	0
Other
Disaggregation of Revenue [Line Items]
Net sales	5,944	3,036
Other | AAON Oklahoma
Disaggregation of Revenue [Line Items]
Net sales	4,163	2,345
Other | AAON Coil Products
Disaggregation of Revenue [Line Items]
Net sales	1,058	691
Other | BasX
Disaggregation of Revenue [Line Items]
Net sales	$ 723	$ 0

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Revenue Recognition - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenue from Contract with Customer [Abstract]
Extended product warranties, minimum length	6 months
Extended product warranties, maximum length	10 years
Payments to representatives	$ 6.5	$ 11.0

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Business Combination (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended	12 Months Ended
	Dec. 10, 2021	Mar. 31, 2022	Dec. 31, 2021
Consideration Paid
Goodwill		$ 81,892	$ 85,727
Intangible Assets Acquired
Goodwill, expected tax deductible amount		50,300
Pro Forma Information
Revenues		130,631
Net income		$ 16,972
Earnings per share: Basic (in dollars per share)		$ 0.32
Earnings per share: Diluted (in dollars per share)		$ 0.32
Intellectual property
Intangible Assets Acquired
Definite-lived intangible assets			6,479
Revision		$ (184)
Customer relationships
Intangible Assets Acquired
Definite-lived intangible assets			48,684
Revision		(1,137)
BasX, LLC
Business Acquisition [Line Items]
Payments to acquire businesses	$ 100,000
Contingent consideration payable	$ 80,000
Equity interests issuable (in dollars per share)	$ 0.004
Consideration Paid
Accounts receivable		13,699	13,699
Inventories		2,725	2,725
Contract assets		7,635	7,635
Prepaid expenses and other		341	341
Property, plant and equipment		13,169	13,169
Right of use assets		15,611	15,611
Intellectual property		68,413	70,329
Goodwill		78,663	82,498
Accounts payable		(9,388)	(9,388)
Accrued liabilities		(3,807)	(3,807)
Contract liabilities		(7,771)	(7,771)
Lease liabilities		(15,611)	(15,611)
Contingent Consideration - shares of AAON	$ (60,000)	(60,000)	(66,000)
Consideration paid		103,679	103,430
Revision
Intangible assets		(1,916)
Goodwill		(3,835)
Contingent Consideration - shares of AAON, Inc.		6,000
Consideration paid		249
Intangible Assets Acquired
Definite-lived intangible assets		53,842	55,163
Revision		(1,321)
Indefinite-lived intangible assets		68,413	70,329
Revision		(1,916)
Goodwill, expected tax deductible amount		47,100
BasX, LLC | Trademarks
Intangible Assets Acquired
Indefinite-lived intangible assets		14,571	$ 15,166
Revision		(595)
BasX, LLC | Intellectual property
Intangible Assets Acquired
Definite-lived intangible assets		6,295
BasX, LLC | Customer relationships
Intangible Assets Acquired
Definite-lived intangible assets		47,547
BasX, LLC | Pushdown Accounting
Consideration Paid
Goodwill		$ 78,700
BasX, LLC | BasX Properties, LLC [Member]
Business Acquisition [Line Items]
Payments to acquire real estate	22,000
BasX, LLC | Former Owners of BasX
Business Acquisition [Line Items]
Contingent consideration payable	78,000
BasX, LLC | Key Employees of BasX
Business Acquisition [Line Items]
Contingent consideration payable	$ 2,000

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Leases (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Leases [Abstract]
Right of use assets	$ 16,862	$ 16,974
Operating lease liability, short-term	1,683	1,580
Operating lease obligations, noncurrent	$ 15,320	$ 15,467

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Accounts Receivable - Receivables (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Receivables [Abstract]
Accounts receivable	$ 114,573	$ 71,329
Less:  Allowance for credit losses	(837)	(549)
Total, net	$ 113,736	$ 70,780

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Accounts Receivable - Allowance (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance, beginning of period	$ 549	$ 506
Provisions for (recoveries of) for expected credit losses, net of adjustments	288	(13)
Balance, end of period	$ 837	$ 493

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Inventories - Components (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020
Inventory Disclosure [Abstract]
Raw materials	$ 140,424	$ 124,480
Work in process	3,003	3,049
Finished goods	4,671	4,528
Total, gross	148,098	132,057
Less: Allowance for excess and obsolete inventories	(2,007)	(1,787)	$ (2,304)	$ (3,261)
Total, net	$ 146,091	$ 130,270

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Inventories - Allowance (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Inventory Valuation Reserves [Roll Forward]
Balance, beginning of period	$ 1,787	$ 3,261
Provision (recovery of) for excess and obsolete inventories	220	(194)
Inventories written off	0	(763)
Balance, end of period	$ 2,007	$ 2,304

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Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Less:  Accumulated amortization	$ (1,103)		$ (208)
Total, net	52,739		54,955
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	14,571		15,166
Total intangible assets, net	67,310		70,121
Amortization of intangible assets	895	$ 38
2022	3,600
2023	3,600
2024	3,600
2025	3,600
2026	3,600
Intellectual property
Finite-Lived Intangible Assets [Line Items]
Definite-lived intangible assets	6,295		6,479
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Definite-lived intangible assets	$ 47,547		$ 48,684

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Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Supplemental disclosure:
Interest paid	$ 115	$ 0
Income taxes paid	176	213
Non-cash investing and financing activities:
Non-cash capital expenditures	$ 458	$ 264

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Warranties - Additional Information (Details)	3 Months Ended
	Mar. 31, 2022
Product Information [Line Items]
Product warranty accrual, minimum length	1 year
Product warranty accrual, maximum length	25 years
Parts
Product Information [Line Items]
Product warranty accrual, minimum length	18 months

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Warranties - Change in Accruals (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Movement in Standard Product Warranty Accrual [Roll Forward]
Balance, beginning of period	$ 13,769	$ 13,522
Payments made	(1,219)	(1,464)
Provisions	1,157	1,467
Balance, end of period	13,707	13,525
Warranty expense	$ 1,157	$ 1,467

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Accrued Liabilities and Other Long-Term Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Accrued Liabilities
Warranty	$ 13,707	$ 13,769
Due to representatives	13,453	7,995
Payroll	7,601	8,423
Profit sharing	2,670	1,489
Worker's compensation	261	308
Medical self-insurance	1,208	1,943
Customer prepayments	2,870	5,931
Donations	453	438
Employee vacation time	5,000	4,362
Operating lease liability, short-term	1,683	1,580
Other	3,984	3,968
Total	52,890	50,206
Other Long-Term Liabilities
Long-term operating lease obligation	15,320	15,467
Long-term donations	221	334
Extended warranties	3,152	3,042
Other long-term liabilities	$ 18,693	$ 18,843

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Revolving Credit Facility (Details) - USD ($)	3 Months Ended
	Mar. 31, 2022	Nov. 24, 2021	Oct. 24, 2019
Line of Credit Facility [Line Items]
Ratio of total liability to net worth	0.63
Maximum ratio of total liability to net worth for compliance	3
Revolving Credit Facility
Line of Credit Facility [Line Items]
Credit facility maximum borrowings		$ 100,000,000	$ 23,000,000
Option to increase maximum borrowing capacity		$ 200,000,000
Standby letter of credit	$ 800,000
Borrowings available under the revolving credit facility	$ 34,200,000
Weighted average interest rate	1.30%
Revolving Credit Facility | Base Rate
Line of Credit Facility [Line Items]
Stated percentage	0.50%
Revolving Credit Facility | SOFR
Line of Credit Facility [Line Items]
Stated percentage	1.00%
Revolving Credit Facility | Minimum
Line of Credit Facility [Line Items]
Applicable margin	1.25%
Commitment fee percentage	0.10%
Revolving Credit Facility | Maximum
Line of Credit Facility [Line Items]
Applicable margin	1.75%
Commitment fee percentage	0.20%
Letter of Credit | Minimum
Line of Credit Facility [Line Items]
Commitment fee percentage	1.25%
Letter of Credit | Maximum
Line of Credit Facility [Line Items]
Commitment fee percentage	1.75%

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Income Taxes - Provision (Benefit) for Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Tax Disclosure [Abstract]
Current	$ 3,809	$ (2,553)
Deferred	973	4,658
Income tax provision	$ 4,782	$ 2,105

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Income Taxes - Reconciliation of Federal Statutory Income Tax Rate (Details)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Tax Disclosure [Abstract]
Federal statutory rate	21.00%	21.00%
State income taxes, net of Federal benefit	3.00%	7.50%
Excess tax benefits	(2.20%)	(15.80%)
Return to provision adjustments	0.00%	(0.40%)
Other	(0.90%)	(0.90%)
Effective tax rate	20.90%	11.40%

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Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Income Tax Disclosure [Abstract]
Share-based payment arrangement, expense, tax benefit	$ 512	$ 2,910
Increase in hare-based payment arrangement, expense, tax benefit, percent	(82.00%)
Expected effective income tax rate for the year	25.00%
Investment Tax Credit Carryforward
Tax Credit Carryforward [Line Items]
Tax credit carryforward	$ 3,700

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Share-Based Compensation - Additional Information (Details) - USD ($) $ in Thousands			3 Months Ended		12 Months Ended
	May 24, 2016	May 22, 2007	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021	May 12, 2020	May 15, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock authorized to be issued under plan (in shares)	8,900,000
Total intrinsic value of options exercised during period			$ 1,900	$ 10,700
Cash received from options exercised during period			$ 2,890	$ 9,438
Award requisite service period			1 year
2007 Long-Term Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock authorized to be issued under plan (in shares)	400,000	3,300,000
Exercise price of shares granted may not be less than fair market value (percentage)		100.00%
2016 Long-Term Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock authorized to be issued under plan (in shares)	3,400,000					2,500,000	2,600,000
Exercise price of shares granted may not be less than fair market value (percentage)	100.00%
Performance Award
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized pre-tax compensation cost			$ 2,600
Weighted average recognition period (in years)			2 years 8 months 12 days
Performance Award | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award, percent of conversion in common stock			0.00%
Performance Award | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award, percent of conversion in common stock			200.00%
Equity Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized pre-tax compensation cost			$ 19,700
Weighted average recognition period (in years)			2 years 3 months 18 days
Restricted Stock | 2007 Long-Term Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized pre-tax compensation cost			$ 5,800
Weighted average recognition period (in years)			2 years 2 months 12 days
Key Employee Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized pre-tax compensation cost			$ 1,500
Weighted average recognition period (in years)			1 year 9 months 18 days
Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights, percentage			33.30%		20.00%

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Share-Based Compensation - Summary of Assumptions (Details) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Performance Award
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected dividend rate	$ 0.38	$ 0.38
Expected volatility	37.60%	39.10%
Risk-free interest rate	2.00%	0.28%
Expected life	2 years 9 months 18 days	2 years 9 months 21 days
Directors and Senior Leadership Team
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected dividend rate	$ 0.38	$ 0.38
Expected volatility	35.87%	35.78%
Risk-free interest rate	2.11%	0.50%
Expected life	4 years	4 years
Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected dividend rate	$ 0.38	$ 0.38
Expected volatility	37.16%	38.70%
Risk-free interest rate	1.98%	0.30%
Expected life	3 years	3 years

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Share-Based Compensation - Summary of Stock Options Outstanding (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Number of shares vested and exercisable	1,697,303	1,192,683
Options vested and exercisable weighted average remaining contractual life	6 years 3 months	6 years 9 months 10 days
Options vested and exercisable weighted average exercise price	$ 39.72	$ 35.82
Options vested and exercisable intrinsic value	$ 28,958	$ 40,779
$8.17 - $41.37
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Range of exercise prices, lower range	$ 8.17
Range of exercise prices, upper range	$ 41.37
Number of shares vested and exercisable	1,323,510
Options vested and exercisable weighted average remaining contractual life	5 years 8 months 23 days
Options vested and exercisable weighted average exercise price	$ 36.12
Options vested and exercisable intrinsic value	$ 25,953
$42.42 - $65.24
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Range of exercise prices, lower range	$ 42.42
Range of exercise prices, upper range	$ 65.24
Number of shares vested and exercisable	271,925
Options vested and exercisable weighted average remaining contractual life	7 years 9 months 25 days
Options vested and exercisable weighted average exercise price	$ 44.72
Options vested and exercisable intrinsic value	$ 3,005
$65.29 - $79.81
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Range of exercise prices, lower range	$ 65.29
Range of exercise prices, upper range	$ 79.81
Number of shares vested and exercisable	101,868
Options vested and exercisable weighted average remaining contractual life	8 years 10 months 9 days
Options vested and exercisable weighted average exercise price	$ 73.22
Options vested and exercisable intrinsic value	$ 0
$7.18 - $40.87
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Range of exercise prices, lower range		$ 7.18
Range of exercise prices, upper range		$ 40.87
Number of shares vested and exercisable		621,552
Options vested and exercisable weighted average remaining contractual life		5 years 6 months 29 days
Options vested and exercisable weighted average exercise price		$ 30.01
Options vested and exercisable intrinsic value		$ 24,863
$41.37 - $41.37
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Range of exercise prices, lower range		$ 41.37
Range of exercise prices, upper range		$ 41.37
Number of shares vested and exercisable		427,899
Options vested and exercisable weighted average remaining contractual life		7 years 10 months 9 days
Options vested and exercisable weighted average exercise price		$ 41.37
Options vested and exercisable intrinsic value		$ 12,255
$41.78 - $75.00
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Range of exercise prices, lower range		$ 41.78
Range of exercise prices, upper range		$ 75.00
Number of shares vested and exercisable		143,232
Options vested and exercisable weighted average remaining contractual life		8 years 9 months
Options vested and exercisable weighted average exercise price		$ 44.45
Options vested and exercisable intrinsic value		$ 3,661

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Share-Based Compensation - Summary of Stock Option Activity (Details) - $ / shares	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Shares [Roll Forward]
Outstanding, beginning of period (in shares)	3,365,469
Granted (in shares)	353,723
Exercised (in shares)	(79,169)
Forfeited or Expired (in shares)	(25,288)
Outstanding, end of period (in shares)	3,614,735
Exercisable, end of period (in shares)	1,697,303	1,192,683
Weighted Average Exercise Price [Roll Forward]
Outstanding, beginning of period (weighted average exercise price)	$ 42.88
Granted (weighted average exercise price)	54.52
Exercised (weighted average exercise price)	36.51
Forfeited or Expired (weighted average exercise price)	51.58
Outstanding, end of period (weighted average exercise price)	44.10
Exercisable, end of period (weighted average exercise price)	$ 39.72	$ 35.82

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Share-Based Compensation - Summary of Unvested Awards (Details)	3 Months Ended
	Mar. 31, 2022 $ / shares shares
Restricted Stock
Shares [Roll Forward]
Unvested, beginning of period (in shares) | shares	161,225
Granted (in shares) | shares	39,903
Vested (in shares) | shares	(48,479)
Forfeited (in shares) | shares	(581)
Unvested, end of period (in shares) | shares	152,068
Weighted Average Grant Date Fair Value [Roll Forward]
Unvested, beginning of period (weighted average grant date fair value) | $ / shares	$ 46.08
Granted (weighted average grant date fair value) | $ / shares	53.55
Vested (weighted average grant date fair value) | $ / shares	42.20
Forfeited (weighted average grant date fair value) | $ / shares	49.75
Unvested, end of period (weighted average grant date fair value) | $ / shares	$ 49.26
Performance Award
Shares [Roll Forward]
Unvested, beginning of period (in shares) | shares	16,851
Granted (in shares) | shares	41,621
Vested (in shares) | shares	0
Forfeited (in shares) | shares	0
Unvested, end of period (in shares) | shares	58,472
Weighted Average Grant Date Fair Value [Roll Forward]
Unvested, beginning of period (weighted average grant date fair value) | $ / shares	$ 87.78
Granted (weighted average grant date fair value) | $ / shares	44.74
Vested (weighted average grant date fair value) | $ / shares	0
Forfeited (weighted average grant date fair value) | $ / shares	0
Unvested, end of period (weighted average grant date fair value) | $ / shares	$ 57.14
Key Employee Awards
Shares [Roll Forward]
Unvested, beginning of period (in shares) | shares	26,599
Granted (in shares) | shares	0
Vested (in shares) | shares	0
Forfeited (in shares) | shares	0
Unvested, end of period (in shares) | shares	26,599
Weighted Average Grant Date Fair Value [Roll Forward]
Unvested, beginning of period (weighted average grant date fair value) | $ / shares	$ 80.18
Granted (weighted average grant date fair value) | $ / shares	0
Vested (weighted average grant date fair value) | $ / shares	0
Forfeited (weighted average grant date fair value) | $ / shares	0
Unvested, end of period (weighted average grant date fair value) | $ / shares	$ 80.18

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Share-Based Compensation - Summary of Unvested Restricted Stock Awards (Details) - Restricted Stock	3 Months Ended
	Mar. 31, 2022 $ / shares shares
Shares [Roll Forward]
Unvested, beginning of period (in shares) | shares	161,225
Granted (in shares) | shares	39,903
Vested (in shares) | shares	(48,479)
Forfeited (in shares) | shares	(581)
Unvested, end of period (in shares) | shares	152,068
Weighted Average Grant Date Fair Value [Roll Forward]
Unvested, beginning of period (weighted average grant date fair value) | $ / shares	$ 46.08
Granted (weighted average grant date fair value) | $ / shares	53.55
Vested (weighted average grant date fair value) | $ / shares	42.20
Forfeited (weighted average grant date fair value) | $ / shares	49.75
Unvested, end of period (weighted average grant date fair value) | $ / shares	$ 49.26

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Share-Based Compensation - Summary of Grant Date Fair Value of Awards (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Grant date fair value of awards during the period:
Options	$ 4,849	$ 6,513
Performance Awards	1,862	1,506
Restricted stock	2,137	1,400
Total	8,848	9,419
Share-based compensation expense:
Options	2,040	2,163
Performance awards	185	41
Restricted stock	679	557
Key employee awards	208	0
Total	3,112	2,761
Income tax benefit/(deficiency) related to share-based compensation:
Options	293	2,295
Restricted stock	219	615
Total	$ 512	$ 2,910

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Employee Benefits (Details) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Defined contribution employee automatic contribution, percent	6.00%
Administrative expense	$ 0	$ 0
Contributions, net of forfeitures, made to the defined contribution plan	$ 3,306,000	2,280,000
Profit sharing, percent of pre-tax profit paid to eligible employees on quarterly basis	10.00%
Profit sharing bonus plan expense	$ 2,669,000	2,132,000
Medical claim payments	1,946,000	1,813,000
Health saving account contributions	$ 939,000	$ 857,000
Effective January 1, 2016
Defined Benefit Plan Disclosure [Line Items]
Percent of match	175.00%
Defined contribution employer, maximum match percent	6.00%

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Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Earnings Per Share [Abstract]
Net income	$ 18,059	$ 16,376
Basic weighted average shares (in shares)	52,613,232	52,293,464
Effect of dilutive stock options and restricted stock (in shares)	927,137	1,521,180
Effect of dilutive shares related to contingent consideration (in shares)	410,626	0
Diluted weighted average shares (in shares)	53,950,995	53,814,644
Basic (usd per share)	$ 0.34	$ 0.31
Diluted (usd per share)	$ 0.33	$ 0.30
Anti-dilutive shares (in shares)	437,636	100,625

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Stockholders' Equity (Details) - USD ($)					1 Months Ended	3 Months Ended		121 Months Ended	164 Months Ended	180 Months Ended
	Apr. 05, 2022	Dec. 10, 2021	Nov. 10, 2020	May 15, 2020	May 02, 2022	Mar. 31, 2022	Mar. 31, 2021	Jun. 30, 2020	Jun. 30, 2020	Jun. 30, 2020	Dec. 31, 2021	Mar. 13, 2020	Mar. 05, 2019	May 16, 2018	May 19, 2015
Schedule of Shareholders' Equity [Line Items]
Stock repurchase program, authorized amount												$ 20,000,000	$ 20,000,000	$ 15,000,000
Stock repurchased during period (in shares)						67,663	87,322			14,505,077
Aggregate price of shares repurchased since inception						$ 4,082,000	$ 6,402,000
Average price of shares repurchased since inception (per share)						$ 60.33	$ 73.31			$ 18.41
BasX, LLC
Schedule of Shareholders' Equity [Line Items]
Equity interests issued		$ 78,000,000
Equity interest issued (in shares)		1,037,000
Equity interests issuable (in dollars per share)		$ 0.004
Contingent liability		$ 60,000,000				$ 60,000,000					$ 66,000,000
Shares issued (in shares)						486,268
Dividend Declared
Schedule of Shareholders' Equity [Line Items]
Cash dividends declared per common share (in dollars per share)			$ 0.19	$ 0.19
Subsequent Event | BasX, LLC
Schedule of Shareholders' Equity [Line Items]
Shares issued (in shares)	0
Open market
Schedule of Shareholders' Equity [Line Items]
Stock repurchase program amount authorized (in shares)															5,700,000
Stock repurchased during period (in shares)						0	0	4,205,255
Aggregate price of shares repurchased since inception						$ 0	$ 0	$ 74,793,000
Average price of shares repurchased since inception (per share)						$ 0	$ 0	$ 17.79
401(k)
Schedule of Shareholders' Equity [Line Items]
Stock repurchased during period (in shares)						54,305	70,350			8,258,737
Aggregate price of shares repurchased since inception						$ 3,278,000	$ 5,185,000			$ 169,154,000
Average price of shares repurchased since inception (per share)						$ 60.36	$ 73.70			$ 20.48
401(k) | Subsequent Event
Schedule of Shareholders' Equity [Line Items]
Stock repurchased during period (in shares)					16,692
Aggregate price of shares repurchased since inception					$ 900,000
Directors and employees
Schedule of Shareholders' Equity [Line Items]
Stock repurchased during period (in shares)						13,358	16,972		2,041,085
Aggregate price of shares repurchased since inception						$ 804,000	$ 1,217,000		$ 23,145,000
Average price of shares repurchased since inception (per share)						$ 60.19	$ 71.71		$ 11.34

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New Market Tax Credit (Details) - USD ($)		3 Months Ended
	Oct. 24, 2019	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021	Nov. 24, 2021
Line of Credit Facility [Line Items]
Due to related parties		$ 0		$ 0
Amortization of debt issuance costs		$ 11,000	$ 10,000
Subsidiary
Line of Credit Facility [Line Items]
Due to related parties	$ 22,500,000
Investor
Line of Credit Facility [Line Items]
Loans receivable	$ 15,900,000
Loans receivable, term	25 years
Loans receivable, interest rate	1.00%
Proceeds from debt	$ 15,900,000
Interest from counterparty	6,300,000
Debt issuance costs	300,000
Revolving Credit Facility
Line of Credit Facility [Line Items]
Credit facility maximum borrowings	$ 23,000,000				$ 100,000,000

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Commitments and Contingencies (Details) - Subsequent Event - USD ($) $ in Millions	May 02, 2022	Apr. 17, 2022
Subsequent Event [Line Items]
Contractual obligation		$ 6.5
Period		18 months
Payments	$ 1.0

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Related Parties (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Related Party Transactions [Abstract]
Sales to affiliates	$ 752	$ 566
Payments to affiliates	364	$ 73
Due from affiliates	514		$ 547
Due to related parties	$ 0		$ 0

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Segments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Segment Reporting Information [Line Items]
Net Sales	$ 182,771	$ 115,788
Gross Profit	46,064	33,157
Long-lived assets	283,232		$ 275,036
Goodwill	149,202		155,848
AAON Oklahoma
Segment Reporting Information [Line Items]
Net Sales	139,867	99,976
AAON Coil Products
Segment Reporting Information [Line Items]
Net Sales	21,935	15,812
BasX
Segment Reporting Information [Line Items]
Net Sales	20,969	0
Operating Segments | AAON Oklahoma
Segment Reporting Information [Line Items]
Gross Profit	33,836	29,772
Long-lived assets	190,621		183,840
Goodwill	3,229		3,229
Operating Segments | AAON Coil Products
Segment Reporting Information [Line Items]
Gross Profit	7,306	3,385
Long-lived assets	63,957		62,534
Goodwill	0		0
Operating Segments | BasX
Segment Reporting Information [Line Items]
Net Sales	20,969	0
Gross Profit	4,922	0
Long-lived assets	28,654		28,662
Goodwill	145,973		$ 152,619
Inter-segment | AAON Oklahoma
Segment Reporting Information [Line Items]
Net Sales	389	506
Inter-segment | AAON Coil Products
Segment Reporting Information [Line Items]
Net Sales	7,917	5,384
Segment Reconciling Items | AAON Oklahoma
Segment Reporting Information [Line Items]
Net Sales	139,867	99,976
Segment Reconciling Items | AAON Coil Products
Segment Reporting Information [Line Items]
Net Sales	21,935	15,812
Consolidation, Eliminations
Segment Reporting Information [Line Items]
Net Sales	$ (8,306)	$ (5,890)