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Non-controlling Interest Ownership (Details) - shares	Dec. 31, 2017	Jun. 30, 2017
Class of Stock [Line Items]
Units (in shares)	21,590,267	19,198,314
Ownership %	100.00%	100.00%
Non-controlling LLC Unit holders ownership in Malibu Boats Holdings, LLC | Malibu Boat LLC [Member]
Class of Stock [Line Items]
Units (in shares)	1,081,164	1,260,627
Ownership %	5.00%	6.60%
Malibu Boats, Inc. ownership in Malibu Boats Holdings, LLC | Parent Company [Member]
Class of Stock [Line Items]
Units (in shares)	20,509,103	17,937,687
Ownership %	95.00%	93.40%

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571

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