BUSINESS DESCRIPTION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Advertising, Income Taxes, Foreign Currency Translation, Discontinued Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Advertising Expense
Corporate funded advertising costs	$ 13,210	$ 21,581	$ 19,803
Advertising fund contributions from company-owned salons	3,715	12,929	16,834
Advertising fund contributions from franchisees	13,341	34,073	26,818
Total advertising costs	30,266	68,583	63,455
Cooperative advertising income	14,900
Advertising funds, assets	4,300	23,600
Advertising funds, liabilities	4,300	23,600
Income Taxes
Deferred tax assets, valuation allowance	122,447	70,707
Net tax expense, valuation allowance against NOLs generated in 2018	14,700
Additional valuation allowance	17,000
Foreign Currency Translation
Foreign currency (loss) gain	(100)	100	(100)
Cumulative foreign currency translation loss	0	$ 0	6,152
Capital loss carryforward
Income Taxes
Valuation allowance	$ 14,900
Foreign entities with British pound currencies | Discontinued Operations, Disposed of by Sale
Foreign Currency Translation
Cumulative foreign currency translation loss			$ 6,200