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Document And Entity Information - USD ($)
 12 Months Ended
Jun. 30, 2016
Aug. 22, 2016
Dec. 31, 2015
Document Information [Line Items]      
Entity Registrant Name STANDEX INTERNATIONAL CORP/DE/    
Entity Central Index Key 0000310354    
Trading Symbol sxi    
Current Fiscal Year End Date --06-30    
Entity Filer Category Large Accelerated Filer    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Well-known Seasoned Issuer No    
Entity Common Stock, Shares Outstanding (in shares)   12,777,502  
Entity Public Float     $ 1,038,609,853
Document Type 10-K    
Document Period End Date Jun. 30, 2016    
Document Fiscal Year Focus 2016    
Document Fiscal Period Focus FY    
Amendment Flag false