v3.26.1
Cover - shares
 6 Months Ended
Mar. 31, 2026
May 04, 2026
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2026  
Document Transition Report false  
Entity File Number 000-25434  
Entity Registrant Name AZENTA, INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 04-3040660  
Entity Address, Address Line One 200 Summit Drive, 6th Floor  
Entity Address, City or Town Burlington  
Entity Address, State or Province MA  
Entity Address, Postal Zip Code 01803  
City Area Code 888  
Local Phone Number 229-3682  
Title of 12(b) Security Common Stock, $0.01 par value  
Trading Symbol AZTA  
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   46,092,804
Entity Central Index Key 0000933974  
Amendment Flag false  
Document Fiscal Period Focus Q2  
Document Fiscal Year Focus 2026  
Current Fiscal Year End Date --09-30