ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Concentration of Credit Risk (Details) - Concentration of Credit Risk [Member] $ in Millions	12 Months Ended
Jun. 28, 2020 USD ($) Franchise Notes	Jun. 30, 2019 Franchise
Concentration of Credit Risk [Abstract]
Number of franchisees had credit risk on notes receivable \| Franchise	4	4
Number of short term notes receivables \| Notes	1
Number of notes receivable \| Notes	5
Number of franchises \| Franchise	3
Note receivables from franchisees \| $	$ 1.1
Weighted average interest rate of financed assets sale	4.60%
Period to start balloon payment	24 months

Amount, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919230-210447

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=121593590&loc=d3e4428-111522

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