REVENUE RECOGNITION - Disaggregation of Revenue by Timing (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Disaggregation of Revenue [Line Items]
Franchise rental income	$ 127,392	$ 127,203	$ 0
Total revenue	415,113	669,729	1,069,039
Operating Segments | Franchise
Disaggregation of Revenue [Line Items]
Franchise rental income	127,392	127,203
Total revenue	272,148	253,026	153,666
Operating Segments | Company-owned
Disaggregation of Revenue [Line Items]
Franchise rental income	0	0
Total revenue	142,965	416,703	915,373
Revenue recognized at a point in time | Operating Segments | Franchise
Disaggregation of Revenue [Line Items]
Total revenue	56,699	52,421	59,905
Revenue recognized at a point in time | Operating Segments | Company-owned
Disaggregation of Revenue [Line Items]
Total revenue	142,965	416,703	915,373
Revenue recognized over time | Operating Segments | Franchise
Disaggregation of Revenue [Line Items]
Franchise rental income	127,392	127,203	0
Total revenue	215,449	200,605	93,761
Revenue recognized over time | Operating Segments | Company-owned
Disaggregation of Revenue [Line Items]
Franchise rental income	0	0	0
Total revenue	0	0	0
Service
Disaggregation of Revenue [Line Items]
Revenues	108,120	331,538	749,660
Service | Operating Segments | Franchise
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Service | Operating Segments | Company-owned
Disaggregation of Revenue [Line Items]
Revenues	108,120	331,538	749,660
Service | Revenue recognized at a point in time | 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	108,120	331,538	749,660
Product
Disaggregation of Revenue [Line Items]
Revenues	91,544	137,586	225,618
Product | Operating Segments | Franchise
Disaggregation of Revenue [Line Items]
Revenues	56,699	52,421	59,905
Product | Operating Segments | Company-owned
Disaggregation of Revenue [Line Items]
Revenues	34,845	85,165	165,713
Product | Revenue recognized at a point in time | Operating Segments | Franchise
Disaggregation of Revenue [Line Items]
Revenues	56,699	52,421	59,905
Product | Revenue recognized at a point in time | Operating Segments | Company-owned
Disaggregation of Revenue [Line Items]
Revenues	34,845	85,165	165,713
Royalty and other franchise fees
Disaggregation of Revenue [Line Items]
Revenues	88,057	73,402	93,761
Royalty and other franchise fees | Operating Segments | Franchise
Disaggregation of Revenue [Line Items]
Revenues	88,057	73,402	93,761
Royalty and other franchise fees | Operating Segments | Company-owned
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Royalty and other franchise fees | Revenue recognized over time | Operating Segments | Franchise
Disaggregation of Revenue [Line Items]
Revenues	66,034	60,061	59,688
Royalty and other franchise fees | Revenue recognized over time | Operating Segments | Company-owned
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Advertising fund fees | Revenue recognized over time | Operating Segments | Franchise
Disaggregation of Revenue [Line Items]
Revenues	22,023	13,341	34,073
Advertising fund fees | Revenue recognized over time | Operating Segments | Company-owned
Disaggregation of Revenue [Line Items]
Revenues	$ 0	$ 0	$ 0