SEGMENT INFORMATION - Financial Information by Reportable Operating Segment (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Revenues:
Revenues	$ 248,190	$ 258,343	$ 274,671	$ 287,835	$ 300,383	$ 305,783	$ 313,849	$ 315,464	$ 1,069,039	$ 1,235,479	$ 1,292,800
Operating expenses:
Cost of service									452,827	530,582	610,384
Cost of product									128,816	140,623	126,297
Site operating expenses									141,031	154,067	153,668
General and administrative									177,004	174,045	157,335
Rent									131,816	183,096	180,478
Depreciation and amortization									37,848	58,205	52,088
TBG restructuring		20,700							21,816	0	0
Total operating expenses									1,091,158	1,240,618	1,280,250
Operating (loss) income	$ (1,835)	$ (22,162)	$ (1,551)	$ 3,429	$ 13,401	$ 4,339	$ (38,479)	$ 15,600	(22,119)	(5,139)	12,550
Other (expense) income:
Interest expense									(4,795)	(10,492)	(8,584)
Gain from sale of salon assets to franchisees, net									2,918	241	492
Interest income and other, net									1,729	5,199	1,471
(Loss) income from continuing operations before income taxes									(22,267)	(10,191)	5,929
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest									(22,267)	(10,191)	5,929
Operating Segments | Company-owned
Revenues:
Revenues									915,373	1,104,382	1,190,089
Operating expenses:
Cost of service									452,827	530,582	610,384
Cost of product									81,597	98,495	103,611
Site operating expenses									106,932	127,249	127,797
General and administrative									57,219	67,163	47,673
Rent									130,214	181,869	179,463
Depreciation and amortization									28,263	48,508	42,273
TBG restructuring									0
Total operating expenses									857,052	1,053,866	1,111,201
Operating (loss) income									58,321	50,516	78,888
Other (expense) income:
Interest expense									0	0	0
Gain from sale of salon assets to franchisees, net									0	0	0
Interest income and other, net									0	0	0
(Loss) income from continuing operations before income taxes									58,321	50,516	78,888
Operating Segments | Franchise
Revenues:
Revenues									153,666	131,097	102,711
Operating expenses:
Cost of service									0	0	0
Cost of product									47,219	42,128	22,686
Site operating expenses									34,099	26,818	25,871
General and administrative									32,888	25,880	21,222
Rent									740	269	171
Depreciation and amortization									762	365	357
TBG restructuring									21,816
Total operating expenses									137,524	95,460	70,307
Operating (loss) income									16,142	35,637	32,404
Other (expense) income:
Interest expense									0	0	0
Gain from sale of salon assets to franchisees, net									0	0	0
Interest income and other, net									0	0	0
(Loss) income from continuing operations before income taxes									16,142	35,637	32,404
Corporate
Revenues:
Revenues									0	0	0
Operating expenses:
Cost of service									0	0	0
Cost of product									0	0	0
Site operating expenses									0	0	0
General and administrative									86,897	81,002	88,440
Rent									862	958	844
Depreciation and amortization									8,823	9,332	9,458
TBG restructuring									0
Total operating expenses									96,582	91,292	98,742
Operating (loss) income									(96,582)	(91,292)	(98,742)
Other (expense) income:
Interest expense									(4,795)	(10,492)	(8,584)
Gain from sale of salon assets to franchisees, net									2,918	241	492
Interest income and other, net									1,729	5,199	1,471
(Loss) income from continuing operations before income taxes									(96,730)	(96,344)	(105,363)
Service
Revenues:
Revenues									749,660	899,345	960,781
Service | Operating Segments | Company-owned
Revenues:
Revenues									749,660	899,345	960,781
Service | Operating Segments | Franchise
Revenues:
Revenues									0	0	0
Service | Corporate
Revenues:
Revenues									0	0	0
Product
Revenues:
Revenues									225,618	258,740	259,931
Product | Operating Segments | Company-owned
Revenues:
Revenues									165,713	205,037	229,308
Product | Operating Segments | Franchise
Revenues:
Revenues									59,905	53,703	30,623
Product | Corporate
Revenues:
Revenues									0	0	0
Royalties and fees
Revenues:
Revenues									93,761	77,394	72,088
Royalties and fees | Operating Segments | Company-owned
Revenues:
Revenues									0	0	0
Royalties and fees | Operating Segments | Franchise
Revenues:
Revenues									93,761	77,394	72,088
Royalties and fees | Corporate
Revenues:
Revenues									$ 0	$ 0	$ 0