SEGMENT INFORMATION - Financial Information by Reportable Operating Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Revenues:
Franchise rental income	$ 127,392	$ 127,203	$ 0
Total revenue	415,113	669,729	1,069,039
Operating expenses:
Site operating expenses	51,463	71,543	141,031
General and administrative	105,433	130,953	177,004
Depreciation and amortization	22,713	36,952	37,848
Long-lived asset impairment	13,023	22,560	0
TBG restructuring	0	2,333	21,816
Goodwill impairment	0	40,164	0
Total operating expenses	519,265	815,067	1,091,158
Operating Income (Loss)	(104,152)	(145,338)	(22,119)
Other (expense) income:
Interest expense	(13,813)	(7,522)	(4,795)
Loss from sale of salon assets to franchisees, net	(16,696)	(27,306)	2,918
Interest income and other, net	15,902	3,353	1,729
Income (loss) from continuing operations before income taxes	(118,759)	(176,813)	(22,267)
Non Franchise Lease
Operating expenses:
Rent	40,930	76,382	131,816
Franchisor
Operating expenses:
Rent	127,392	127,203	0
Operating Segments | Franchise
Revenues:
Franchise rental income	127,392	127,203
Total revenue	272,148	253,026	153,666
Operating expenses:
Site operating expenses	22,121	13,341	34,099
General and administrative	31,364	33,725	32,888
Depreciation and amortization	1,049	922	762
Long-lived asset impairment	726	1,712
TBG restructuring		2,333	21,816
Goodwill impairment		0
Total operating expenses	231,496	220,140	137,524
Operating Income (Loss)	40,652	32,886	16,142
Other (expense) income:
Interest expense	0	0	0
Loss from sale of salon assets to franchisees, net	0	0	0
Interest income and other, net	0	0	0
Income (loss) from continuing operations before income taxes	40,652	32,886	16,142
Operating Segments | Franchise | Non Franchise Lease
Operating expenses:
Rent	2,395	872	740
Operating Segments | Franchise | Franchisor
Operating expenses:
Rent	127,392	127,203
Operating Segments | Company-owned
Revenues:
Franchise rental income	0	0
Total revenue	142,965	416,703	915,373
Operating expenses:
Site operating expenses	29,342	58,202	106,932
General and administrative	8,934	24,638	57,219
Depreciation and amortization	14,730	29,113	28,263
Long-lived asset impairment	12,297	20,848
TBG restructuring		0	0
Goodwill impairment		40,164
Total operating expenses	212,997	512,831	857,052
Operating Income (Loss)	(70,032)	(96,128)	58,321
Other (expense) income:
Interest expense	0	0	0
Loss from sale of salon assets to franchisees, net	0	0	0
Interest income and other, net	0	0	0
Income (loss) from continuing operations before income taxes	(70,032)	(96,128)	58,321
Operating Segments | Company-owned | Non Franchise Lease
Operating expenses:
Rent	35,832	72,921	130,214
Operating Segments | Company-owned | Franchisor
Operating expenses:
Rent	0	0
Corporate
Revenues:
Franchise rental income	0	0
Total revenue	0	0	0
Operating expenses:
Site operating expenses	0	0	0
General and administrative	65,135	72,590	86,897
Depreciation and amortization	6,934	6,917	8,823
Long-lived asset impairment	0	0
TBG restructuring		0	0
Goodwill impairment		0
Total operating expenses	74,772	82,096	96,582
Operating Income (Loss)	(74,772)	(82,096)	(96,582)
Other (expense) income:
Interest expense	(13,813)	(7,522)	(4,795)
Loss from sale of salon assets to franchisees, net	(16,696)	(27,306)	2,918
Interest income and other, net	15,902	3,353	1,729
Income (loss) from continuing operations before income taxes	(89,379)	(113,571)	(96,730)
Corporate | Non Franchise Lease
Operating expenses:
Rent	2,703	2,589	862
Corporate | Franchisor
Operating expenses:
Rent	0	0
Service
Revenues:
Revenues	108,120	331,538	749,660
Operating expenses:
Cost of service and products sold	79,144	222,279	452,827
Service | Operating Segments | Franchise
Revenues:
Revenues	0	0	0
Operating expenses:
Cost of service and products sold	0	0	0
Service | Operating Segments | Company-owned
Revenues:
Revenues	108,120	331,538	749,660
Operating expenses:
Cost of service and products sold	79,144	222,279	452,827
Service | Corporate
Revenues:
Revenues	0	0	0
Operating expenses:
Cost of service and products sold	0	0	0
Product
Revenues:
Revenues	91,544	137,586	225,618
Operating expenses:
Cost of service and products sold	79,167	84,698	128,816
Product | Operating Segments | Franchise
Revenues:
Revenues	56,699	52,421	59,905
Operating expenses:
Cost of service and products sold	46,449	40,032	47,219
Product | Operating Segments | Company-owned
Revenues:
Revenues	34,845	85,165	165,713
Operating expenses:
Cost of service and products sold	32,718	44,666	81,597
Product | Corporate
Revenues:
Revenues	0	0	0
Operating expenses:
Cost of service and products sold	0	0	0
Royalties and fees
Revenues:
Revenues	88,057	73,402	93,761
Royalties and fees | Operating Segments | Franchise
Revenues:
Revenues	88,057	73,402	93,761
Royalties and fees | Operating Segments | Company-owned
Revenues:
Revenues	0	0	0
Royalties and fees | Corporate
Revenues:
Revenues	$ 0	$ 0	$ 0