FAIR VALUE MEASUREMENTS - Schedule of Impairments (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
	Mar. 31, 2020	Mar. 31, 2020	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill	$ 40,164	$ 40,164	$ 40,164	$ 0	$ 0
Long-lived asset impairment			22,560	0	0
Fair Value, Measurements, Nonrecurring | Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill			40,164	0	0
Salon asset impairments			3,851	4,587	11,092
Long-lived asset impairment			$ 22,560	$ 0	$ 0