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Document and Entity Information
 6 Months Ended
Dec. 31, 2014
Feb. 05, 2015
Document Information [Line Items]    
Entity Registrant Name MALIBU BOATS, INC.  
Entity Central Index Key 0001590976  
Document Type 10-Q  
Document Period End Date Dec. 31, 2014  
Amendment Flag false  
Document Fiscal Year Focus 2015  
Document Fiscal Period Focus Q2  
Current Fiscal Year End Date --06-30  
Entity Filer Category Non-accelerated Filer  
Class A Common Stock [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   15,608,650dei_EntityCommonStockSharesOutstanding
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Class B Common Stock [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   43dei_EntityCommonStockSharesOutstanding
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= us-gaap_CommonClassBMember