REVENUE RECOGNITION - Disaggregation of Revenue by Timing (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
Disaggregation of Revenue [Line Items]
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 Segments | Company-owned
Disaggregation of Revenue [Line Items]
Revenues									915,373	1,104,382	1,190,089
Operating Segments | Franchise
Disaggregation of Revenue [Line Items]
Revenues									153,666	131,097	102,711
Revenue recognized at a point in time | Operating Segments | Company-owned
Disaggregation of Revenue [Line Items]
Revenues									915,373	1,104,382
Revenue recognized at a point in time | Operating Segments | Franchise
Disaggregation of Revenue [Line Items]
Revenues									59,905	53,703
Revenue recognized over time | Operating Segments | Company-owned
Disaggregation of Revenue [Line Items]
Revenues									0	0
Revenue recognized over time | Operating Segments | Franchise
Disaggregation of Revenue [Line Items]
Revenues									93,761	77,394
Service
Disaggregation of Revenue [Line Items]
Revenues									749,660	899,345	960,781
Service | Operating Segments | Company-owned
Disaggregation of Revenue [Line Items]
Revenues									749,660	899,345	960,781
Service | Operating Segments | Franchise
Disaggregation of Revenue [Line Items]
Revenues									0	0	0
Service | Revenue recognized at a point in time | Operating Segments | Company-owned
Disaggregation of Revenue [Line Items]
Revenues									749,660	899,345
Service | Revenue recognized at a point in time | Operating Segments | Franchise
Disaggregation of Revenue [Line Items]
Revenues									0	0
Product
Disaggregation of Revenue [Line Items]
Revenues									225,618	258,740	259,931
Product | Operating Segments | Company-owned
Disaggregation of Revenue [Line Items]
Revenues									165,713	205,037	229,308
Product | Operating Segments | Franchise
Disaggregation of Revenue [Line Items]
Revenues									59,905	53,703	30,623
Product | Revenue recognized at a point in time | Operating Segments | Company-owned
Disaggregation of Revenue [Line Items]
Revenues									165,713	205,037
Product | Revenue recognized at a point in time | Operating Segments | Franchise
Disaggregation of Revenue [Line Items]
Revenues									59,905	53,703
Royalties and fees
Disaggregation of Revenue [Line Items]
Revenues									93,761	77,394	72,088
Royalties and fees | Operating Segments | Company-owned
Disaggregation of Revenue [Line Items]
Revenues									0	0	0
Royalties and fees | Operating Segments | Franchise
Disaggregation of Revenue [Line Items]
Revenues									93,761	77,394	$ 72,088
Royalties and fees | Revenue recognized over time | Operating Segments | Company-owned
Disaggregation of Revenue [Line Items]
Revenues									0	0
Royalties and fees | Revenue recognized over time | Operating Segments | Franchise
Disaggregation of Revenue [Line Items]
Revenues									59,688	50,576
Advertising fund fees | Revenue recognized over time | Operating Segments | Company-owned
Disaggregation of Revenue [Line Items]
Revenues									0	0
Advertising fund fees | Revenue recognized over time | Operating Segments | Franchise
Disaggregation of Revenue [Line Items]
Revenues									$ 34,073	$ 26,818