Acquisition of Maverick Boat Group - Pro Forma Information (Details) - Maverick Boat Group, Inc. - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Business Acquisition [Line Items]
Net sales	$ 263,887	$ 224,348	$ 517,384	$ 432,651
Net income	30,979	23,287	58,912	46,500
Net income attributable to Malibu Boats, Inc.	$ 29,891	$ 22,335	$ 56,835	$ 44,572
Basic earnings per share (in USD per share)	$ 1.43	$ 1.08	$ 2.72	$ 2.16
Diluted earnings per share (in USD per share)	$ 1.41	$ 1.06	$ 2.69	$ 2.13