Non-controlling Interest - Schedule of Non-controlling Interest (Details) - Malibu Boats Holdings LLC - shares	Sep. 30, 2024	Jun. 30, 2024
Class of Stock [Line Items]
Units (in shares)	20,204,049	20,502,961
Ownership (as a percent)	100.00%	100.00%
Non-controlling LLC Unit holders ownership in Malibu Boats Holdings, LLC
Class of Stock [Line Items]
Units (in shares)	321,419	321,419
Ownership (as a percent)	1.60%	1.60%
Malibu Boats, Inc. ownership in Malibu Boats Holdings, LLC
Class of Stock [Line Items]
Units (in shares)	19,882,630	20,181,542
Ownership (as a percent)	98.40%	98.40%