BASIS OF PRESENTATION OF UNAUDITED INTERIM CONDENSED CONSOLIDATED FINANCIAL STATEMENTS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Inventories (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021	Jun. 30, 2021
Inventory [Line Items]
Inventory valuation reserves		$ 14,300		$ 14,300		$ 11,800
Inventory write-down	[1]	6,420	$ 0	6,420	$ 0
Inventory Reserves And Company-Owned Salon Expense
Inventory [Line Items]
Inventory write-down		7,500		9,000
Inventory Reserve
Inventory [Line Items]
Inventory write-down		6,400		6,400
Company-Owned Salon Expense
Inventory [Line Items]
Inventory write-down		$ 1,100	$ 5,300	$ 2,600	$ 6,900

[1] Includes charge in the third quarter associated with liquidation of distribution center inventory. Excludes reserves for inventory at salons.