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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 |

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