GOODWILL AND OTHER INTANGIBLE ASSETS - Schedule of Carrying Amount of Other Intangible Assets, Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Amortized intangible assets, Gross Amount	$ 39,745	$ 39,745
Amortized intangible assets, Accumulated Amortization / Impairment	(28,327)	(13,846)
Amortized intangible assets, Other intangible assets, net	11,418	25,899
Gross Amount	88,745	88,745
Accumulated Amortization / Impairment	(51,327)	(28,846)
Other intangible assets, net	37,418	59,899
Dealer network
Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Amortized intangible assets, Gross Amount	39,500	39,500
Amortized intangible assets, Accumulated Amortization / Impairment	(28,143)	(13,711)
Amortized intangible assets, Other intangible assets, net	11,357	25,789
Software
Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Amortized intangible assets, Gross Amount	245	245
Amortized intangible assets, Accumulated Amortization / Impairment	(184)	(135)
Amortized intangible assets, Other intangible assets, net	61	110
Trade names
Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items]
Unamortized intangible assets, Gross Amount	49,000	49,000
Unamortized intangible assets, Accumulated Amortization / Impairment	(23,000)	(15,000)
Unamortized intangible assets, Other intangible assets, net	$ 26,000	$ 34,000
Impairment, Intangible Asset, Indefinite-Lived (Excluding Goodwill), Statement of Income or Comprehensive Income [Extensible Enumeration]	Impairments