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Document and Entity Information
Oct. 24, 2022
Cover [Abstract]  
Document Type 8-K/A
Amendment Flag true
Document Period End Date Oct. 24, 2022
Entity Registrant Name ADTRAN Holdings, Inc.
Entity Incorporation, State or Country Code DE
Entity File Number 001-41446
Entity Tax Identification Number 87-2164282
Entity Address, Address Line One 901 Explorer Boulevard
Entity Address, City or Town Huntsville
Entity Address, State or Province AL
Entity Address, Postal Zip Code 35806-2807
City Area Code 256
Local Phone Number 963-8000
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, Par Value $0.01
Trading Symbol ADTN
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
Amendment Description On October 25, 2022, ADTRAN Holdings, Inc. filed a Current Report on Form 8-K, dated October 24, 2022 (the “Original 8-K”), with the U.S. Securities and Exchange Commission. The Original 8-K attached as Exhibit 99.1 an incorrect copy of the press release that included a clerical error in the table entitled “Reconciliation of Preliminary Operating Loss to Preliminary Non-GAAP Operating Income.” A copy of the correct, as-issued press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein reference. Except as stated in this Explanatory Note, no other changes have been made to the Original 8-K.
Entity Central Index Key 0000926282