Cover Page - shares
3 Months Ended
Aug. 31, 2019
Oct. 02, 2019
Amendment Flag false  
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus Q1  
Entity Central Index Key 0001275187  
Current Fiscal Year End Date --05-31  
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Aug. 31, 2019  
Document Transition Report false  
Entity File Number 0-50761  
Entity Registrant Name AngioDynamics, Inc.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 11-3146460  
Entity Address, Address Line One 14 Plaza Drive  
Entity Address, City or Town Latham  
Entity Address, State or Province NY  
Entity Address, Postal Zip Code 12110  
City Area Code 518  
Local Phone Number 795-1400  
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   37,619,875
Common Stock    
Title of 12(b) Security Common stock, par value $.01  
Trading Symbol ANGO  
Security Exchange Name NASDAQ  
Preferred Stock Purchase Rights    
No Trading Symbol Flag true  
Title of 12(b) Security Preferred Stock Purchase Rights  
Security Exchange Name NASDAQ