BASIS OF PRESENTATION OF UNAUDITED INTERIM CONDENSED CONSOLIDATED FINANCIAL STATEMENTS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Goodwill (Details) $ in Thousands	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Goodwill	$ 313,251	$ 345,718
Headroom	0.20
Franchise
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Goodwill	$ 227,843	227,928
Company-owned
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Goodwill	$ 85,408	$ 117,790

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant