BUSINESS DESCRIPTION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Goodwill (Narrative) (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Goodwill [Line Items]
Goodwill		$ 173,146,000	$ 173,791,000
Goodwill impairment	$ 16,000,000	0	0	$ 16,000,000
Opensalon Pro
Goodwill [Line Items]
Goodwill impairment		0	0	2,880,000
Derecognition of goodwill		0	$ 0	$ 38,358,000
Discount Rate
Goodwill [Line Items]
Goodwill measurement input			17.00%	20.00%
Franchise Reporting Unit
Goodwill [Line Items]
Goodwill		173,100,000	$ 173,800,000
Company-Owned Reporting Unit
Goodwill [Line Items]
Goodwill		$ 0	$ 0