v3.26.3
Document And Entity Information
Oct. 01, 2026
Cover [Abstract]  
Document Type 8-K/A
Amendment Flag true
Document Period End Date Oct. 01, 2026
Entity Registrant Name Neogen Corporation
Entity Central Index Key 0000711377
Entity Emerging Growth Company false
Entity File Number 0-17988
Entity Incorporation, State or Country Code MI
Entity Tax Identification Number 38-2367843
Entity Address, Address Line One 620 Lesher Place
Entity Address, City or Town Lansing
Entity Address, State or Province MI
Entity Address, Postal Zip Code 48912
City Area Code (517)
Local Phone Number 372-9200
Entity Information, Former Legal or Registered Name N/A
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, $0.16 par value per share
Trading Symbol NEOG
Security Exchange Name NASDAQ
Amendment Description This Form 8-K/A amends the Form 8-K filed on October 7, 2026 to include the Item 5.02 disclosure regarding shareholder approval of the Neogen Corporation Amended and Restated Omnibus Incentive Plan. Except as described below, this Amendment does not amend, modify or update the original Form 8-K or the disclosures therein, and does not reflect events occurring after the filing of the original Form 8-K.