SEGMENT INFORMATION - Financial Information by Reportable Operating Segment (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Revenues:
Revenues	$ 294,885	$ 300,801	$ 308,515	$ 309,873	$ 320,902	$ 313,478	$ 315,249	$ 318,831	$ 1,214,074	$ 1,268,460	$ 1,291,933
Operating expenses:
Cost of service									530,582	610,384	608,965
Cost of product									140,623	126,297	130,015
Site operating expenses									127,249	127,797	135,139
General and administrative									174,045	157,335	157,012
Rent									183,096	180,478	184,150
Depreciation and amortization expense									58,205	52,088	52,888
Total operating expenses									1,213,800	1,254,379	1,268,169
Operating income	$ 14,988	$ 5,884	$ (37,334)	$ 16,736	$ 7,577	$ (6,214)	$ 2,402	$ 10,316	274	14,081	23,764
Other (expense) income:
Interest expense									(10,492)	(8,584)	(9,229)
Interest income and other, net									6,670	2,831	3,713
(Loss) income from continuing operations before income taxes and equity in loss of affiliated companies									(3,548)	8,328	18,248
Operating Segments | Company-owned
Revenues:
Revenues									1,104,014	1,189,546	1,213,004
Operating expenses:
Cost of service									530,582	610,384	608,965
Cost of product									98,495	103,611	106,929
Site operating expenses									127,249	127,797	135,130
General and administrative									67,163	47,673	48,811
Rent									181,869	179,463	182,932
Depreciation and amortization expense									48,508	42,273	42,466
Total operating expenses									1,053,866	1,111,201	1,125,233
Operating income									50,148	78,345	87,771
Other (expense) income:
Interest expense									0	0	0
Interest income and other, net									0	0	0
(Loss) income from continuing operations before income taxes and equity in loss of affiliated companies									50,148	78,345	87,771
Operating Segments | Franchise
Revenues:
Revenues									110,060	78,914	78,929
Operating expenses:
Cost of service									0	0	0
Cost of product									42,128	22,686	23,086
Site operating expenses									0	0	9
General and administrative									25,880	21,222	21,490
Rent									269	171	162
Depreciation and amortization expense									365	357	363
Total operating expenses									68,642	44,436	45,110
Operating income									41,418	34,478	33,819
Other (expense) income:
Interest expense									0	0	0
Interest income and other, net									0	0	0
(Loss) income from continuing operations before income taxes and equity in loss of affiliated companies									41,418	34,478	33,819
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									81,002	88,440	86,711
Rent									958	844	1,056
Depreciation and amortization expense									9,332	9,458	10,059
Total operating expenses									91,292	98,742	97,826
Operating income									(91,292)	(98,742)	(97,826)
Other (expense) income:
Interest expense									(10,492)	(8,584)	(9,229)
Interest income and other, net									6,670	2,831	3,713
(Loss) income from continuing operations before income taxes and equity in loss of affiliated companies									(95,114)	(104,495)	(103,342)
Service
Revenues:
Revenues									899,051	960,347	978,614
Service | Operating Segments | Company-owned
Revenues:
Revenues									899,051	960,347	978,614
Service | Operating Segments | Franchise
Revenues:
Revenues									0	0	0
Service | Corporate
Revenues:
Revenues									0	0	0
Product
Revenues:
Revenues									258,666	259,822	265,796
Product | Operating Segments | Company-owned
Revenues:
Revenues									204,963	229,199	234,390
Product | Operating Segments | Franchise
Revenues:
Revenues									53,703	30,623	31,406
Product | Corporate
Revenues:
Revenues									0	0	0
Royalties and fees
Revenues:
Revenues									56,357	48,291	47,523
Royalties and fees | Operating Segments | Company-owned
Revenues:
Revenues									0	0	0
Royalties and fees | Operating Segments | Franchise
Revenues:
Revenues									56,357	48,291	47,523
Royalties and fees | Corporate
Revenues:
Revenues									$ 0	$ 0	$ 0