LEASES - Rent Expense (Details) $ in Thousands	12 Months Ended
	Jun. 30, 2021 USD ($) salon	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)
Lessor, Lease, Description [Line Items]
Minimum rent	$ 127,400
Terminated leases | salon	402
Early termination penalties	$ 8,300
Adjustment to accrue future lease payments	5,300
Decrease in future minimum rent liability	15,700
Right-of-use asset, derecognized	18,300
Operating lease liability, derecognized	31,100
Gain on termination of lease	12,800
Decrease in excess of right of use assets, benefit	7,100
Non Franchise Lease
Lessor, Lease, Description [Line Items]
Minimum rent	33,596	$ 57,819	$ 108,892
Percentage rent based on sales	8	2,043	4,754
Real estate taxes and other expenses	8,644	12,868	16,445
Lease termination expense	13,606	191	123
Lease liability benefit	(20,022)	0	0
Corporate segment rent	2,703	2,589	862
Franchise segment non-reimbursable rent	2,395	872	740
Franchise rent expense	$ 40,930	$ 76,382	$ 131,816