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Non-controlling Interest Narrative (Details) - USD ($)
$ in Thousands
 3 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Noncontrolling Interest [Line Items]    
Treasury stock, shares, retired (in shares) (6,701,000)  
Tax distributions payable to non-controlling LLC Unit holders $ 290 $ 242
Non-controlling LLC Unit holders ownership in Malibu Boats Holdings, LLC    
Noncontrolling Interest [Line Items]    
Tax distributions payable to non-controlling LLC Unit holders 290 309
Tax distributions paid to non-controlling LLC Unit holders $ 312 $ 341
Class A Common Stock [Member]    
Noncontrolling Interest [Line Items]    
Issuance LLC Units (in shares) 2,354,021