v3.24.3
Acquisitions - (Details)
12 Months Ended
Sep. 20, 2024
USD ($)
Stores
Sep. 22, 2023
USD ($)
Stores
Sep. 30, 2022
USD ($)
Sep. 30, 2024
USD ($)
Sep. 30, 2023
USD ($)
Business Acquisition [Line Items]          
Business combination, goodwill     $ 526,066,000 $ 538,266,000 $ 533,081,000
Exclusive Beauty Supply, Inc.          
Business Acquisition [Line Items]          
Acquisition date Sep. 20, 2024        
Business acquisition consideration $ 7,500,000        
Number of stores acquired | Stores 3        
Business combination, intangible assets       6,400,000  
Business combination, inventory       800,000  
Business combination, goodwill       $ 300,000  
Goldwell of NY, Inc.          
Business Acquisition [Line Items]          
Acquisition date   Sep. 22, 2023      
Business acquisition consideration   $ 9,000,000 $ 0    
Number of stores acquired | Stores   5      
Business combination, intangible assets         6,600,000
Business combination, inventory         1,700,000
Business combination, goodwill         $ 600,000