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Summary of Significant Accounting Policies | 9 Months Ended
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Sep. 30, 2023
Accounting Policies [Abstract] |
Summary of Significant Accounting Policies | GENERAL ADTRAN Holdings, Inc. (“ADTRAN” or the “Company”) is a leading global provider of networking and communications platforms, software, systems and services focused on the broadband access market, serving a diverse domestic and international customer base in multiple countries that includes large, medium and small Service Providers, alternative Service Providers, such as utilities, municipalities and fiber overbuilders, cable/MSOs, SMBs and distributed enterprises. Our innovative solutions and services enable voice, data, video and internet-communications across a variety of network infrastructures and are currently in use by millions worldwide. We support our customers through our direct global sales organization and our distribution networks. Our success depends upon our ability to increase unit volume and market share through the introduction of new products and succeeding generations of products having optimal selling prices and increased functionality as compared to both the prior generation of a product and to the products of competitors in order to gain market share. To service our customers and grow revenue, we are continually conducting research and developing new products addressing customer needs and testing those products for the specific requirements of the particular customers. We offer a broad portfolio of flexible software and hardware network solutions and services that enable Service Providers to meet today’s service demands, while enabling them to transition to the fully converged, scalable, highly-automated, cloud-controlled voice, data, internet and video network of the future. In addition to our global headquarters in Huntsville, Alabama, and our European headquarters in Munich, Germany, we have sales and research and development facilities in strategic global locations. ADTRAN Holdings, Inc. solely owns ADTRAN, Inc. and is the majority shareholder of Adtran Networks (formerly ADVA Optical Networking SE). ADTRAN is a leading global provider of open, disaggregated networking and communications solutions. Adtran Networks is a global provider of network solutions for data, storage, voice and video services. The combined technology portfolio can best address current and future requirements, especially regarding the convergence of solutions at the network edge. Domination and Profit and Loss Transfer Agreement The DPLTA between the Company, as the controlling company, and Adtran Networks SE, as the controlled company, as executed on December 1, 2022, became effective on January 16, 2023, as a result of its registration with the commercial register (Handelsregister) of the local court (Amtsgericht) at the registered seat of Adtran Networks (Jena). Under the DPLTA, subject to certain limitations pursuant to applicable law and the specific terms of the DPLTA, (i) the Company is entitled to issue binding instructions to the management board of Adtran Networks, (ii) Adtran Networks will transfer its annual profit to the Company, subject to, among other things, the creation or dissolution of certain reserves, and (iii) the Company will generally absorb the annual net loss incurred by Adtran Networks. The obligation of Adtran Networks to transfer its annual profit to the Company applies for the first time to the profit, if any, generated in the Adtran Networks fiscal year 2023. The obligation of the Company to absorb Adtran Networks annual net loss applies for the first time to the loss, if any, generated in the Adtran Networks fiscal year 2023. Pursuant to the terms of the DPLTA, each Adtran Networks shareholder (other than the Company) has received an offer to elect either (1) to remain an Adtran Networks shareholder and receive from us an Annual Recurring Compensation payment, or (2) to receive Exit Compensation plus guaranteed interest. The guaranteed interest under the Exit Compensation is calculated from the effective date of the DPLTA to the date the shares are tendered, less any Annual Recurring Compensation paid. The guaranteed interest rate is 5.0% plus a variable component (according to the German Civil Code) that was 3.12% as of September 30, 2023. Assuming all the minority holders of currently outstanding Adtran Networks shares were to elect the second option, we would be obligated to make aggregate Exit Compensation payments, including guaranteed interest, of approximately €325.3 million or approximately $344.2 million, based on an exchange rate as of September 30, 2023 and reflecting interest accrued through September 30, 2023 during the pendency of the appraisal proceedings discussed below. Shareholders electing the first option of Annual Recurring Compensation may later elect the second option. The opportunity for outside Adtran Networks shareholders to tender Adtran Networks shares in exchange for Exit Compensation had been scheduled to expire on March 16, 2023. However, due to the appraisal proceedings that have been initiated in accordance with applicable German law, this time period for tendering shares has been extended pursuant to the German Stock Corporation Act (Aktiengesetz) and will end two months after the date on which a final decision in such appraisal proceedings has been published in the Federal Gazette (Bundesanzeiger). We are also obligated to absorb any annual net loss of Adtran Networks under the DPLTA. Additionally, our obligation to pay Annual Recurring Compensation under the DPLTA is a continuing payment obligation, which will amount to approximately €10.6 million or $11.2 million (based on the current exchange rate) per year assuming none of the minority Adtran Networks shareholders were to elect Exit Compensation. The foregoing amounts do not reflect any potential increase in payment obligations that we may have depending on the outcome of ongoing appraisal proceedings in Germany. During the three and nine months ended September 30, 2023, we accrued $2.9 million and $8.6 million in Annual Recurring Compensation, which was reflected as a reduction to retained (deficit) earnings, respectively. On October 18, 2022, the Company's Board of Directors authorized the Company to purchase additional shares of Adtran Networks through open market purchases not to exceed 15,346,544 shares. For the three and nine months ended September 30, 2023, less than 1 thousand shares and 64 thousand shares, respectively, of Adtran Networks stock was tendered to the Company and Exit Compensation payments of approximately €8 thousand and €1.1 million, respectively, or approximately $9 thousand and $1.2 million, respectively, based on an exchange rate as of September 30, 2023, were paid to Adtran Networks shareholders. As of September 30, 2023, and as of the date of issuance of these financial statements, the Company does not have sufficient liquidity to meet payment obligations under the DPLTA pertaining to Exit Compensation assuming a substantial majority of Adtran Networks shareholders elect such option in the current period. We believe the probability that a substantial majority of Adtran Networks shareholders elect to receive Exit Compensation in the next twelve months is remote based on the diverse base of shareholders that must make this election on an individual shareholder basis, the current ongoing appraisal proceedings involving a dispute on the value of the Exit Compensation which is expected to take 24-36 months to resolve, the current guaranteed Annual Recurring Compensation payment plus the interest earned on such shares during the ongoing appraisal proceedings, and the current trading value of Adtran Networks SE shares. Therefore, we believe that our cash and cash equivalents, investments, working capital management initiatives and access to funds under the Wells Fargo credit facility, including additional funding provided for under the First Amendment to the Wells Fargo credit facility that was signed on August 9, 2023, (described below) will be adequate to meet our operating and capital needs and our obligations under the DPLTA, including potential Exit Compensation, for at least the next 12 months, from the issuance of these financial statements, although we have suspended dividend payments and are implementing a business efficiency program, which includes, but is not limited to, planned reductions in our operating expenses and a site consolidation plan. In connection with the site consolidation plan, we are also exploring a potential sale of our headquarters in Huntsville. We may also need to further reduce capital expenditures and/or take other steps to preserve working capital in order to ensure that we can meet such needs and obligations. See Note 22, Subsequent Events, for additional information regarding the suspension of the quarterly dividend. On July 18, 2022, ADTRAN Holdings, Inc. and ADTRAN, Inc., as the borrower, entered into a credit agreement with a syndicate of banks, including Wells Fargo Bank, National Association, as administrative agent (“Administrative Agent”), and the other lenders named therein (the “Credit Agreement”). The Credit Agreement allowed for borrowings of up to $100.0 million in aggregate principal amount, but the borrowings increased to up to $400.0 million in aggregate principal amount upon the DPLTA becoming effective on January 16, 2023. On August 9, 2023, the Company, its wholly-owned direct subsidiary, ADTRAN, Inc., the lenders party thereto and the Administrative Agent entered into a First Amendment to the Credit Agreement (the “First Amendment” and, together with the Credit Agreement, the “Credit Facility”). The Credit Facility matures in July 2027; however, the Company has an option to request extensions subject to customary conditions. See Note 12, Revolving Credit Agreements, for additional information regarding the terms of the Credit Facility. 1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Basis of Presentation The accompanying unaudited Condensed Consolidated Financial Statements of ADTRAN Holdings, Inc. and its subsidiaries have been prepared pursuant to the rules and regulations of the SEC applicable to interim financial information presented in Quarterly Reports on Form 10-Q. Accordingly, certain information and notes required by generally accepted accounting principles in the United States of America (“U.S. GAAP”) for complete financial statements are not included herein. The December 31, 2022 Condensed Consolidated Balance Sheet is derived from audited financial statements but does not include all disclosures required by U.S. GAAP. In the opinion of management, all adjustments necessary to fairly state these interim statements have been recorded and are of a normal and recurring nature. The results of operations for an interim period are not necessarily indicative of the results for the full year. The interim financial statements should be read in conjunction with the consolidated financial statements and notes thereto included in Amendment No. 1 to the ADTRAN Holdings, Inc. Annual Report on Form 10-K for the year ended December 31, 2022, filed with the SEC on August 14, 2023. 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, the disclosure of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenue and expense during the reporting period. Significant estimates include allowance for credit losses on accounts receivable and contract assets, excess and obsolete inventory reserves, warranty reserves, customer rebates, determination and accrual of the deferred revenue related to performance obligations under contracts with customers, estimated costs to complete obligations associated with deferred and accrued revenues and network installations, estimated income tax provision and income tax contingencies, fair value of stock-based compensation, assessment of goodwill and other intangibles for impairment, estimated lives of intangible assets, estimates of intangible assets upon measurement, estimated pension liability and fair value of investments and estimated contingent liabilities. Actual amounts could differ significantly from these estimates. We assessed certain accounting matters that generally require consideration of forecasted financial information in context with the information reasonably available to us and the unknown future impacts of supply chain constraints, inflationary pressures, the energy crisis, currency fluctuations and political tensions as of September 30, 2023, and through the date of this report. The accounting matters assessed included, but were not limited to, the allowance for credit losses, stock-based compensation, carrying value of goodwill, intangibles and other long-lived assets, financial assets, valuation allowances for tax as sets, revenue recognition and costs of revenue. Future conditions related to supply chain constraints, inflationary pressures, the energy crisis, rising interest rates, instability in the financial services industry, currency fluctuations and political tensions could result in further impacts to the Company's consolidated financial statements in future reporting periods. Revision of Previously Issued Financial Statements During the fourth quarter of 2023, management identified an immaterial error relating to the understatement of non-controlling interest and the overstatement of accumulated other comprehensive income in the Condensed Consolidated Balance Sheet as of December 31, 2022 and the understatement of comprehensive loss attributable to non-controlling interest and overstated the comprehensive loss attributable to ADTRAN Holdings, Inc., net of tax in the Condensed Consolidated Statements of Comprehensive Loss for the three and nine months ended September 30, 2022. The immaterial misstatements occurred following the Business Combination between the Company and the Company’s majority-owned subsidiary, Adtran Networks SE (“Adtran Networks”) on July 15, 2022. The Company incorrectly presented the allocation of foreign currency translation loss attributable to the non-controlling interest for the year ended December 31, 2022. Management evaluated the impact of this error on the Company’s full year 2022 consolidated financial statements and determined that the consolidated financial statements were not materially misstated. However, in order to correctly state non-controlling interest and accumulated other comprehensive income in connection with the filing of this Amendment No. 1, the December 31, 2022 balance sheet items and comprehensive loss for the three and nine months ended September 30, 2022 have been corrected to reflect the impact of this immaterial error. The Company will revise its consolidated financial statements as of and for the year ended December 31, 2022 when it files its Form 10-K for the period ended December 31, 2023. The following table reflects the impact of the revision to the specific line items presented in the Company’s previously reported Condensed Consolidated Balance Sheet and the Condensed Consolidated Statement of Changes in Equity as of December 31, 2022:
|  |  | December 31, 2022 |
(In thousands) |  |  | As Reported |  |  | Adjustment |  |  | As Revised |
Accumulated Other Comprehensive Income |  |  | $ | 46,713 |  |  | $ | (20,587 | ) |  | $ | 26,126 |
Non-Controlling Interest |  |  | $ | 309,072 |  |  | $ | 20,587 |  |  | $ | 329,659 |
Total Equity |  |  | $ | 1,303,613 |  |  | $ | — |  |  | $ | 1,303,613 |
The following table reflects the impact of the revision to the specific line items presented in the Company’s previously reported Condensed Consolidated Statement of Changes in Equity as of September 30, 2022:
|  |  | September 30, 2022 |
(In thousands) |  |  | As Reported |  |  | Adjustment |  |  | As Restated |
Accumulated Other Comprehensive Income |  |  | $ | (40,288 | ) |  | $ | 7,137 |  |  | $ | (33,151 | )
Non-Controlling Interest |  |  | $ | 313,677 |  |  | $ | (7,137 | ) |  | $ | 306,540 |
Total Equity |  |  | $ | 1,184,827 |  |  | $ | — |  |  | $ | 1,184,827 |
The following table reflects the impact of the revision to the specific line items presented in the Company’s previously reported Condensed Consolidated Statements of Comprehensive Loss as of September 30, 2022:
|  |  | For the Three Months Ended September 30, 2022 |  |  | For the Nine Months Ended September 30, 2022 |
(In thousands) |  |  | As Reported |  |  | Adjustment |  |  | As Revised |  |  | As Reported |  |  | Adjustment |  |  | As Revised |
Comprehensive Loss attributable to non-controlling interest |  |  | $ | (94 | ) |  | $ | (10,062 | ) |  | $ | (10,156 | ) |  | $ | (94 | ) |  | $ | (10,062 | ) |  | $ | (10,156 | )
Comprehensive Loss attributable to ADTRAN Holdings, Inc., net of tax |  |  | $ | (68,451 | ) |  | $ | 10,062 |  |  | $ | (58,389 | ) |  | $ | (72,217 | ) |  | $ | 10,062 |  |  | $ | (62,155 | )
The accompanying applicable Notes have been updated to reflect the effects of the revision. Restatement of Previously Issued Financial Statements During the fourth quarter of 2023, the Company determined that it understated income attributable to the non-controlling interest, loss attributable to the Company, loss per common share attributable to ADTRAN Holdings, Inc. – basic and diluted, understated comprehensive income attributable to non-controlling interest and understated comprehensive loss attributable to ADTRAN Holdings, Inc., net of tax for the three and nine months ended September 30, 2023. The misstatements occurred following the effectiveness of the Domination Profit and Loss Transfer Agreement (“DPLTA”) between the Company and the Company’s majority-owned subsidiary, Adtran Networks SE (“Adtran Networks”) upon the registration of the DPLTA with the commercial register on January 16, 2023. Pursuant to the DPLTA, the minority shareholders of Adtran Networks are guaranteed recurring cash compensation commencing with respect to the 2023 fiscal year. The Company incorrectly presented the guaranteed cash compensation attributable to the non-controlling interest as a loss rather than income attributable to the non-controlling interest during the three and nine months ended September 30, 2023. This error resulted in an understatement of net income attributable to the non-controlling interest, an understatement of net loss attributable to the Company and loss per common share attributable to ADTRAN Holdings, Inc. - basic and diluted, an understatement of comprehensive income attributable to non-controlling interest and an understatement of comprehensive loss attributable to ADTRAN Holdings, Inc., net of tax. Additionally, this error resulted in an understatement of additional paid-in capital and an overstatement of accumulated other comprehensive income. The Company restated the Condensed Consolidated Statements of Loss for the three and nine months ended September 30, 2023 presented in this report by increasing net loss attributable to the Company by $5.8 million and $17.2 million, respectively. The Company restated the Condensed Consolidated Statements of Comprehensive Loss for the three and nine months ended September 30, 2023 presented in this report by increasing comprehensive loss attributable to the Company by $2.9 million and $5.6 million, respectively. The following tables reflects the impact of the restatement to the specific line items presented in the Company’s previously reported Condensed Consolidated Statements of Loss and the previously reported Condensed Consolidated Statements of Comprehensive Loss for the three and nine months ended September 30, 2023:
|  |  | For the Three Months Ended September 30, 2023 |  |  | For the Nine Months Ended September 30, 2023 |
(In thousands) |  |  | As Reported |  |  | Adjustment |  |  | As Restated |  |  | As Reported |  |  | Adjustment |  |  | As Restated |
Income (Loss) attributable to non-controlling interest |  |  | $ | (2,914 | ) |  | $ | 5,828 |  |  | $ | 2,914 |  |  | $ | (11,784 | ) |  | $ | 17,210 |  |  | $ | 5,426 |
Net Loss attributable to ADTRAN Holdings, Inc. |  |  | $ | (72,735 | ) |  | $ | (5,828 | ) |  | $ | (78,563 | ) |  | $ | (140,533 | ) |  | $ | (17,210 | ) |  | $ | (157,743 | )
Loss per common share attributable to ADTRAN Holdings, Inc. – basic |  |  | $ | (0.93 | ) |  | $ | (0.07 | ) |  | $ | (1.00 | ) |  | $ | (1.79 | ) |  | $ | (0.22 | ) |  | $ | (2.01 | )
Loss per common share attributable to ADTRAN Holdings, Inc. – diluted |  |  | $ | (0.93 | ) |  | $ | (0.07 | ) |  | $ | (1.00 | ) |  | $ | (1.79 | ) |  | $ | (0.22 | ) |  | $ | (2.01 | )
Comprehensive Income attributable to non-controlling interest |  |  | $ | — |  |  | $ | 2,914 |  |  | $ | 2,914 |  |  | $ | 244 |  |  | $ | 5,564 |  |  | $ | 5,808 |
Comprehensive Loss attributable to ADTRAN Holdings, Inc., net of tax |  |  | $ | (105,057 | ) |  | $ | (2,914 | ) |  | $ | (107,971 | ) |  | $ | (166,230 | ) |  | $ | (5,564 | ) |  | $ | (171,794 | )
The accompanying applicable Notes have been updated to reflect the effects of the restatement as of September 30, 2023. The following table reflects the impact of the restatement, in addition to the revision of the December 31, 2022 balances referenced above, to the specific line items presented in the Company’s previously reported Condensed Consolidated Balance Sheets as of September 30, 2023 and the Condensed Consolidated Statement of Changes in Equity for the period ended September 30, 2023:
|  |  | September 30, 2023 |
(In thousands) |  |  | As Reported |  |  | Adjustment |  |  | As Restated |
Additional Paid-in Capital |  |  | $ | 770,565 |  |  | $ | 20,725 |  |  | $ | 791,290 |
Accumulated Other Comprehensive Income |  |  | $ | 32,800 |  |  | $ | (20,725 | ) |  | $ | 12,075 |
Total Equity |  |  | $ | 684,893 |  |  | $ | — |  |  | $ | 684,893 |
Redeemable Non-Controlling Interest As of September 30, 2023 and December 31, 2022, the non-controlling Adtran Networks stockholders’ equity ownership percentage in Adtran Networks was approximately 34.6% and 34.7%, respectively. As a result of the effectiveness of the DPLTA on January 16, 2023, the Adtran Networks shares, representing the equity interest in Adtran Networks held by holders other than the Company, can be tendered at any time and are, therefore, redeemable and must be classified outside stockholders’ equity. Therefore, the permanent equity noncontrolling interest balance was reclassified to redeemable non-controlling interest on January 16, 2023 and was remeasured to fair value based on the trading market price of the Adtran Networks shares. Subsequently, the carrying value of the RNCI is adjusted to its maximum redemption value at each reporting date when the maximum redemption value is greater than the initial carrying amount of the RNCI. However, the RNCI will be remeasured using the current exchange rate at each reporting date as long as the RNCI is currently redeemable. For the period of time that the DPLTA is in effect, the RNCI will continue to be presented as RNCI outside of stockholders’ equity in the Condensed Consolidated Balance Sheets. See Note 16 for additional information on RNCI. Recently Adopted Accounting Pronouncements In October 2021, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update ("ASU") 2021-08, Business Combinations (Topic 805) Accounting for Contract Assets and Contract Liabilities from Contracts with Customers, which would require an acquirer to recognize and measure acquired contract assets and contract liabilities in a manner consistent with how the acquiree recognized and measured them in its pre-acquisition financial statements in accordance with Topic 606, Revenue Recognition. The Company early adopted ASU 2021-08 on July 1, 2022 and the standard was applied retrospectively beginning with January 1, 2022. Recent Accounting Pronouncements Not Yet Adopted There are currently no accounting pronouncements not yet adopted that are expected to have a material effect on the Condensed Consolidated Financial Statements.

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