ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Concentration of Credit Risk (Details) - Concentration of Credit Risk [Member] $ in Thousands	12 Months Ended
	Jun. 27, 2021 USD ($) Franchise Notes	Jun. 28, 2020 USD ($) Franchise
Concentration of Credit Risk [Abstract]
Deposit insurance corporation (FDIC) limits	$ 250
Cash balances in excess of FDIC insurance coverage	$ 8,000	$ 2,700
Number of franchisees had credit risk on notes receivable | Franchise	5	5
Number of short term notes receivables | Notes	6
Number of notes receivable | Notes	1
Number of franchises | Franchise	1
Note receivables from franchisees	$ 1,000
Weighted average interest rate of financed assets sale	0.00%