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Cover Page - USD ($)
 12 Months Ended
Sep. 30, 2025
Dec. 05, 2025
Mar. 31, 2025
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Sep. 30, 2025    
Current Fiscal Year End Date --09-30    
Document Transition Report false    
Entity File Number 1-5978    
Entity Registrant Name SIFCO Industries, Inc.    
Entity Incorporation, State or Country Code OH    
Entity Tax Identification Number 34-0553950    
Entity Address, Address Line One 970 East 64th Street,    
Entity Address, City or Town Cleveland    
Entity Address, State or Province OH    
Entity Address, Postal Zip Code 44103    
City Area Code (216)    
Local Phone Number 881-8600    
Title of 12(b) Security Common Shares    
Trading Symbol SIF    
Security Exchange Name NYSEAMER    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company false    
Entity Shell Company false    
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction false    
Entity Public Float     $ 14,255,290
Entity Common Stock, Shares Outstanding (in shares)   6,173,688  
Documents Incorporated by Reference
Certain information contained in the definitive Proxy Statement for the Company’s Annual Meeting of Shareholders to be held on January 28, 2026 is incorporated by reference into Part III hereof.
    
Entity Central Index Key 0000090168    
Amendment Flag false    
Document Fiscal Year Focus 2025    
Document Fiscal Period Focus FY