BASIS OF PRESENTATION OF UNAUDITED INTERIM CONDENSED CONSOLIDATED FINANCIAL STATEMENTS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Goodwill (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 19, 2024	Jun. 30, 2024
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Goodwill	$ 184,317		$ 173,146
Franchise Reporting Unit
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Goodwill	172,200		$ 173,100
Company-owned
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Goodwill	12,100
Alline Salon Group
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Goodwill	$ 12,100	$ 12,574