v3.26.1
Stockholders' Equity (Details)
 12 Months Ended
Jun. 30, 2026
USD ($)
vote
numberOfUnitHolder
$ / shares
shares
Jun. 30, 2025
USD ($)
numberOfUnitHolder
$ / shares
shares
Jun. 30, 2024
USD ($)
numberOfUnitHolder
shares
Jun. 23, 2026
USD ($)
Dec. 18, 2025
USD ($)
Jun. 24, 2025
USD ($)
Oct. 23, 2024
USD ($)
Oct. 26, 2023
USD ($)
Class of Stock [Line Items]                
Capital stock, shares authorized (in shares) 150,000,000              
Preferred stock, shares authorized (in shares) 25,000,000 25,000,000            
Preferred stock, par value (in dollars per share) | $ / shares $ 0.01 $ 0.01            
Treasury stock, shares, retired (in shares) 79,953              
Common stock, conversion basis 1              
Number of LLC units outstanding (in shares) 19,938,011 19,502,267            
Malibu Boats Holdings LLC                
Class of Stock [Line Items]                
Parent ownership (in percentage) 98.60% 98.60%            
Non-controlling holders ownership (in percentage) 1.40% 1.40%            
Malibu Boats Holdings LLC | Malibu Boats, Inc.                
Class of Stock [Line Items]                
Number of LLC units outstanding (in shares) 19,667,592 19,225,848            
Malibu Boats Holdings LLC | Non-controlling LLC Unit Holders                
Class of Stock [Line Items]                
Number of LLC units outstanding (in shares) 270,419 276,419            
Saxdor                
Class of Stock [Line Items]                
Issuance of equity for Acquisition of Saxdor (in shares) 1,523,794              
Class A Common Stock                
Class of Stock [Line Items]                
Common stock, shares authorized (in shares) 100,000,000 100,000,000            
Number of unit holders | numberOfUnitHolder 1 2 4          
Common stock, shares, outstanding (in shares) 19,667,592 19,225,848            
Common stock, shares issued (in shares) 19,667,592 19,225,848            
Stock repurchased during period (in shares) 241,899              
Number of votes | vote 1              
Class A Common Stock | Fiscal 2024 Repurchase Program                
Class of Stock [Line Items]                
Stock repurchase program, authorized amount | $               $ 100,000,000.0
Stock repurchased during period (in shares)   519,466 437,996          
Stock repurchased during period | $   $ 20,200,000 $ 17,317,000          
Class A Common Stock | Fiscal 2025 Repurchase Program                
Class of Stock [Line Items]                
Stock repurchase program, authorized amount | $             $ 50,000,000.0  
Stock repurchased during period (in shares)   478,325            
Stock repurchased during period | $   $ 15,756,000            
Class A Common Stock | Fiscal 2026 Repurchase Program                
Class of Stock [Line Items]                
Stock repurchase program, authorized amount | $         $ 70,000,000.0 $ 50,000,000.0    
Stock repurchased during period (in shares) 1,243,996              
Stock repurchased during period | $ $ 33,910,000              
Class A Common Stock | Fiscal 2027 Repurchase Program                
Class of Stock [Line Items]                
Stock repurchase program, authorized amount | $       $ 70,000,000.0        
Class B Common Stock                
Class of Stock [Line Items]                
Common stock, shares authorized (in shares) 25,000,000 25,000,000            
Treasury stock, shares, retired (in shares) 0 0 0          
Common stock, shares, outstanding (in shares) 12 12 12          
Common stock, shares issued (in shares) 12 12 12