REVENUE RECOGNITION: Disaggregation of Revenue by Timing (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Disaggregation of Revenue [Line Items]
Total revenues	$ 287,835	$ 315,464
Operating Segments | Company-owned
Disaggregation of Revenue [Line Items]
Total revenues	249,810	288,866
Operating Segments | Franchise
Disaggregation of Revenue [Line Items]
Total revenues	38,025	26,598
Service
Disaggregation of Revenue [Line Items]
Total revenues	207,848	235,630
Service | Operating Segments | Company-owned
Disaggregation of Revenue [Line Items]
Total revenues	207,848	235,630
Service | Operating Segments | Franchise
Disaggregation of Revenue [Line Items]
Total revenues	0	0
Product
Disaggregation of Revenue [Line Items]
Total revenues	57,591	60,958
Product | Operating Segments | Company-owned
Disaggregation of Revenue [Line Items]
Total revenues	41,962	53,236
Product | Operating Segments | Franchise
Disaggregation of Revenue [Line Items]
Total revenues	15,629	7,722
Royalties and fees
Disaggregation of Revenue [Line Items]
Total revenues	22,396	18,876
Royalties and fees | Operating Segments | Company-owned
Disaggregation of Revenue [Line Items]
Total revenues	0	0
Royalties and fees | Operating Segments | Franchise
Disaggregation of Revenue [Line Items]
Total revenues	22,396	18,876
Revenue recognized at a point in time: | Operating Segments | Company-owned
Disaggregation of Revenue [Line Items]
Total revenues	249,810	288,866
Revenue recognized at a point in time: | Operating Segments | Franchise
Disaggregation of Revenue [Line Items]
Total revenues	15,629	7,722
Revenue recognized at a point in time: | Service | Operating Segments | Company-owned
Disaggregation of Revenue [Line Items]
Total revenues	207,848	235,630
Revenue recognized at a point in time: | Service | Operating Segments | Franchise
Disaggregation of Revenue [Line Items]
Total revenues	0	0
Revenue recognized at a point in time: | Product | Operating Segments | Company-owned
Disaggregation of Revenue [Line Items]
Total revenues	41,962	53,236
Revenue recognized at a point in time: | Product | Operating Segments | Franchise
Disaggregation of Revenue [Line Items]
Total revenues	15,629	7,722
Revenue recognized over time: | Operating Segments | Company-owned
Disaggregation of Revenue [Line Items]
Total revenues	0	0
Revenue recognized over time: | Operating Segments | Franchise
Disaggregation of Revenue [Line Items]
Total revenues	22,396	18,876
Revenue recognized over time: | Royalties and fees | Operating Segments | Company-owned
Disaggregation of Revenue [Line Items]
Total revenues	0	0
Revenue recognized over time: | Royalties and fees | Operating Segments | Franchise
Disaggregation of Revenue [Line Items]
Total revenues	14,420	12,150
Revenue recognized over time: | Advertising fund | Operating Segments | Company-owned
Disaggregation of Revenue [Line Items]
Total revenues	0	0
Revenue recognized over time: | Advertising fund | Operating Segments | Franchise
Disaggregation of Revenue [Line Items]
Total revenues	$ 7,976	$ 6,726