v3.24.3
Document and Entity Information - USD ($)
 12 Months Ended
Sep. 30, 2024
Nov. 08, 2024
Mar. 31, 2024
Cover [Abstract]      
Entity Registrant Name SALLY BEAUTY HOLDINGS, INC.    
Entity Central Index Key 0001368458    
Document Type 10-K    
Document Period End Date Sep. 30, 2024    
Trading Symbol SBH    
Amendment Flag false    
Current Fiscal Year End Date --09-30    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Public Float     $ 1,279,396,000
Entity Common Stock, Shares Outstanding   101,880,965  
Document Fiscal Year Focus 2024    
Document Fiscal Period Focus FY    
Security Exchange Name NYSE    
Title of 12(b) Security Common Stock, par value $.01 per share    
Entity Interactive Data Current Yes    
Entity File Number 1-33145    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 36-2257936    
Entity Address, Address Line One 3001 Colorado Boulevard    
Entity Address, City or Town Denton    
Entity Address, State or Province TX    
Entity Address, Postal Zip Code 76210    
City Area Code 800    
Local Phone Number 777-5706    
Document Annual Report true    
Document Transition Report false    
Entity Shell Company false    
ICFR Auditor Attestation Flag true    
Auditor Name KPMG LLP    
Auditor Location Dallas, Texas    
Auditor Firm ID 185    
Documents Incorporated by Reference

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the registrant’s Proxy Statement relating to the registrant’s 2025 Annual Meeting of Stockholders are incorporated by reference into Part III of this Annual Report on Form 10-K where indicated.

    
Document Financial Statement Error Correction [Flag] false