REVENUE RECOGNITION - Receivables, Broker Fees and Deferred Revenue (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Jun. 30, 2020
Revenue from Contract with Customer [Abstract]
Receivables from contracts with customers, net	$ 19,112	$ 22,991
Broker fees	19,254	20,516
Deferred revenue
Current deferred revenue	8,164	8,157
Non-current deferred revenue	38,936	45,478
Gift card liability
Deferred revenue
Current deferred revenue	2,240	2,543
Deferred franchise fees unopened salons
Deferred revenue
Current deferred revenue	40	77
Non-current deferred revenue	6,571	11,855
Deferred franchise fees open salons
Deferred revenue
Current deferred revenue	5,884	5,537
Non-current deferred revenue	$ 32,365	$ 33,623