DEFINED CONTRIBUTION PLAN (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 24, 2020	Jun. 26, 2019	Jun. 27, 2018
Defined Benefit Plan, Expected Future Employer Contributions [Abstract]
Eligibility age for savings plan	21 years
Number of years of service necessary for savings plan eligibility	90 days	1 year
Hours Of Service Needed To Participate In Savings Plan		1000 hours
Percentage of base salary allowed for savings plan contribution	50.00%
Percentage of bonus allowed for contribution to savings plan	100.00%
Employer matching contribution percentage for first three percent contributed to savings plan	100.00%
Percentage of compensation contributed to savings plan matched by employer at 100%	3.00%
Employer matching contribution percentage for subsequent two percent contributed to savings plan	50.00%
Percentage over 3% for which employer will match 50% of employee contributions to savings plan	2.00%
Employer contributions match expenses	$ 9.3	$ 9.6	$ 9.2