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REVENUE RECOGNITION - Receivables, Broker Fees and Deferred Revenue (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022
Revenue from Contract with Customer [Abstract]
Receivables from contracts with customers, net	$ 6,746	$ 5,683
Broker fees	10,054	12,471	$ 13,218	$ 15,592
Deferred revenue
Current	6,648	7,148
Non-current	18,224	23,151
Gift card liability
Deferred revenue
Current	1,675	1,823
Deferred franchise fees unopened salons
Deferred revenue
Non-current	1,930	2,312
Deferred franchise fees open salons
Deferred revenue
Current	4,973	5,325
Non-current	$ 16,294	$ 20,839