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, Registrant Name STANDEX INTERNATIONAL CORPORATION    
Current Fiscal Year End Date --06-30    
Document, Fiscal Period Focus FY    
Document, Fiscal Year Focus 2025    
Document, Type 10-K/A    
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  
Amendment Description This Amendment on Form 10-K/A (“Amendment No. 1”) amends the registrant’s Form 10-K for the year ended June 30, 2025, as filed with the Securities and Exchange Commission on August 1, 2025 (the “Form 10-K”), solely for the purpose of correcting an inadvertent date error on the signature page in the previously filed 10-K Report. Accordingly, we are filing this Amendment No. 1 to the Form 10-K to include a corrected Signature Page. No other information included in the Form 10-K has been amended and this Amendment No. 1 should be read in conjunction with the Form 10-K. This amendment does not change any previously reported financial results, modify or update disclosures in the Form 10-K, or reflect events occurring after the filing of the Form 10-K.    
Amendment Flag true    
Entity, Central Index Key 0000310354