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, 2019	Jun. 30, 2018	Jun. 30, 2017
Advertising and Advertising Funds
Advertising funds, assets	$ 23,800	$ 23,800
Advertising funds, liabilities	23,800	23,800
Advertising Expense
Corporate funded advertising costs	21,581	19,803	$ 13,139
Advertising fund contributions from company-owned salons	12,929	16,834	17,158
Advertising fund contributions from franchisees	34,073	26,818	25,871
Total advertising costs	68,583	63,455	56,168
Income Taxes
Deferred tax assets, valuation allowance	70,707	68,610
Tax act, provisional income tax benefit		68,100
Foreign Currency Translation
Foreign currency (loss) gain	100	(100)	100
Cumulative foreign currency translation loss	$ 0	6,152	$ 0
Mall-Based Salons and International Segment | Discontinued Operations, Disposed of by Sale
Foreign Currency Translation
Cumulative foreign currency translation loss		$ 6,200