Document And Entity Information - USD ($)	12 Months Ended
Document And Entity Information - USD ($)	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

STANDEX INTERNATIONAL CORP/DE/ 10-K/A