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Document and Entity Information
May 09, 2025
Cover [Abstract]  
Entity Registrant Name TERADYNE, INC
Amendment Flag true
Entity Central Index Key 0000097210
Document Type 8-K/A
Document Period End Date May 09, 2025
Entity Incorporation State Country Code MA
Entity File Number 001-06462
Entity Tax Identification Number 04-2272148
Entity Address, Address Line One 600 Riverpark Drive
Entity Address, City or Town North Reading
Entity Address, State or Province MA
Entity Address, Postal Zip Code 01864
City Area Code (978)
Local Phone Number 370-2700
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Stock, par value $0.125 per share
Trading Symbol TER
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
Amendment Description This Amendment No. 1 to the Current Report on Form 8-K amends Item 5.07 of the Current Report on Form 8-K filed on May 12, 2025 (the “Original Form 8-K”) solely to clarify that the shareholder proposal set forth in Proposal No. 5 was approved by shareholders. No other changes have been made to the Original Form 8-K.