GOODWILL AND OTHER INTANGIBLE ASSETS - Schedule of Carrying Amounts of Goodwill (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Goodwill [Line Items]
Gross Amount	$ 65,831	$ 65,831
Accumulated impairment losses	(37,338)	(37,338)
Total	28,493	28,493	$ 28,493	$ 29,593
Mastercraft Segment [Member]
Goodwill [Line Items]
Gross Amount	28,493	28,493
Accumulated impairment losses	0	0
Total	28,493	28,493	28,493	29,593
Pontoon [Member]
Goodwill [Line Items]
Gross Amount	36,238	36,238
Accumulated impairment losses	(36,238)	(36,238)
Total	0	0
Aviara [member]
Goodwill [Line Items]
Gross Amount	1,100	1,100
Accumulated impairment losses	(1,100)	(1,100)
Total	$ 0	$ 0	$ 0	$ 0