Non-controlling Interest - Schedule of Non-controlling Interest (Details) - shares	Sep. 30, 2026	Jun. 30, 2026
Class of Stock [Line Items]
Units (in shares)	19,922,193	19,938,011
Ownership %	100.00%	100.00%
Malibu Boats Holdings LLC
Class of Stock [Line Items]
Non-controlling Holders Ownership %	1.40%	1.40%
Parent Ownership %	98.60%	98.60%
Malibu Boats Holdings LLC \| Noncontrolling LLC Unit Holders
Class of Stock [Line Items]
Units (in shares)	270,419	270,419
Malibu Boats Holdings LLC \| Malibu Boats, Inc.
Class of Stock [Line Items]
Units (in shares)	19,651,774	19,667,592

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details