ALLOWANCE FOR DOUBTFUL ACCOUNTS (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 30, 2018
Allowance for Doubtful Accounts
Balance at beginning of period	$ 28,176	$ 25,768	$ 31,059
Charged to costs and expenses	404,158	62,946	21,448
Customer accounts written off, net of recoveries	(83,915)	(64,219)	(27,120)
Other adjustments	(13,609)	3,681	381
Balance at end of period	$ 334,810	$ 28,176	$ 25,768