v3.25.2
Document And Entity Information - USD ($)
 12 Months Ended
Jun. 30, 2025
Jul. 31, 2025
Dec. 31, 2024
Document Information [Line Items]      
Entity Central Index Key 0000310354    
Entity Registrant Name STANDEX INTERNATIONAL CORP/DE/    
Amendment Flag false    
Current Fiscal Year End Date --06-30    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2025    
Document Type 10-K    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Jun. 30, 2025    
Entity File Number 001-07233    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 31-0596149    
Entity Address, Address Line One 23 KEEWAYDIN DRIVE    
Entity Address, City or Town Salem    
Entity Address, State or Province NH    
Entity Address, Postal Zip Code 03079    
City Area Code 603    
Local Phone Number 893-9701    
Title of 12(b) Security Common Stock, Par Value $1.50 Per Share    
Trading Symbol SXI    
Security Exchange Name NYSE    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
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    
ICFR Auditor Attestation Flag true    
Entity Shell Company false    
Document Financial Statement Error Correction [Flag] false    
Entity Public Float     $ 2,222,611,330
Entity Common Stock, Shares Outstanding   12,068,262  
Auditor Name Deloitte & Touche LLP    
Auditor Location Boston, Massachusetts    
Auditor Firm ID 34