Quarterly Financial Reporting (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 353,206	$ 344,287	$ 263,887	$ 253,497	$ 276,722	$ 273,162	$ 195,647	$ 180,984	$ 1,214,877	$ 926,515	$ 653,163
Gross profit	89,627	97,121	63,551	59,752	69,227	72,028	49,489	45,741	310,051	236,485	149,270
Operating income	65,411	71,537	40,187	36,688	45,031	46,865	28,928	28,951	213,823	149,775	85,310
Net income	49,685	54,833	30,979	27,933	34,962	35,135	22,147	22,038	163,430	114,282	64,656
Net income attributable to non-controlling interest	1,766	1,955	1,088	989	1,235	1,339	922	945	5,798	4,441	3,094
Net income attributable to Malibu Boats, Inc.	$ 47,919	$ 52,878	$ 29,891	$ 26,944	$ 33,727	$ 33,796	$ 21,225	$ 21,093	$ 157,632	$ 109,841	$ 61,562
Basic net income per share (in dollars per share)	$ 2.34	$ 2.54	$ 1.43	$ 1.29	$ 1.62	$ 1.62	$ 1.03	$ 1.02	$ 7.60	$ 5.29	$ 2.98
Diluted net income per share (in dollars per share)	$ 2.31	$ 2.51	$ 1.41	$ 1.28	$ 1.60	$ 1.61	$ 1.01	$ 1.01	$ 7.51	$ 5.23	$ 2.95