REVISION OF THIRD QUARTER 2020 UNAUDITED RESULTS Schedule of Accounting Adjustment (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		9 Months Ended
		Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Rent		$ 31,300	$ 31,800	$ 95,900	$ 96,900
Goodwill impairment		0	40,164	0	40,164
Operating loss		(18,541)	(59,399)	(76,886)	(76,771)
Loss from sale of salon assets to franchisees, net		(4,575)	(7,858)	(8,463)	(26,125)
Interest income and other, net		15,099	148	15,616	3,188
Loss from continuing operations before income taxes		(11,180)	(68,821)	(80,359)	(104,323)
Income tax benefit		333	979	1,368	5,783
Net loss		$ (10,847)	$ (67,541)	$ (78,991)	$ (97,787)
Net loss per share (in dollar per share)	[1]	$ (0.30)	$ (1.88)	$ (2.20)	$ (2.72)
Comprehensive loss		$ (10,541)	$ (70,023)	$ (77,348)	$ (100,131)
Non-Franchise Lease
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Rent		$ 8,001	18,665	$ 34,128	63,424
As Previously Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Goodwill impairment			44,529		44,529
Operating loss			(64,342)		(81,714)
Loss from sale of salon assets to franchisees, net			(10,208)		(21,760)
Interest income and other, net			(1,329)		3,188
Loss from continuing operations before income taxes			(77,591)		(104,901)
Income tax benefit			2,253		5,904
Net loss			$ (75,037)		$ (98,244)
Net loss per share (in dollar per share)			$ (2.10)		$ (2.73)
Comprehensive loss			$ (77,519)		$ (100,588)
As Previously Reported | Non-Franchise Lease
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Rent			19,243		64,002
Adjustments
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Rent			(600)
Goodwill impairment			(4,365)		(4,365)
Operating loss			4,943		4,943
Loss from sale of salon assets to franchisees, net			2,350		(4,365)
Interest income and other, net			1,477		0
Loss from continuing operations before income taxes			8,770		578
Income tax benefit			(1,274)		(121)
Net loss			$ 7,496		$ 457
Net loss per share (in dollar per share)			$ 0.22		$ 0.01
Comprehensive loss			$ 7,496		$ 457
Goodwill written off related to sale of salon assets			(2,400)
Adjustments | Non-Franchise Lease
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Rent			$ (578)		$ (578)

[1] Total is a recalculation; line items calculated individually may not sum to total due to rounding.