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Document And Entity Information - USD ($)
 12 Months Ended
Jun. 30, 2015
Aug. 21, 2015
Dec. 31, 2014
Document and Entity Information [Abstract]      
Entity Registrant Name STANDEX INTERNATIONAL CORP/DE/    
Trading Symbol SXI    
Document Type 10-K    
Current Fiscal Year End Date --06-30    
Entity Common Stock, Shares Outstanding   12,772,061  
Entity Public Float     $ 958,490,000
Amendment Flag false    
Entity Central Index Key 0000310354    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Filer Category Large Accelerated Filer    
Entity Well-known Seasoned Issuer No    
Document Period End Date Jun. 30, 2015    
Document Fiscal Year Focus 2015    
Document Fiscal Period Focus FY