INCOME TAXES - EFFECTIVE TAX RATES (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 30, 2018
Income Tax Disclosure [Abstract]
U.S. statutory federal income tax rate	21.00%	21.00%	28.00%
State and local income taxes, net of any applicable federal income tax benefit	5.69%	3.35%	2.48%
Foreign income taxes	(2.46%)	(1.42%)	0.07%
Uncertain tax position	(1.44%)	(0.31%)	(0.22%)
Tax benefit of equity-based compensation	(9.77%)	(2.07%)	(2.66%)
Nondeductible impairment charges	17.65%	0.00%	0.00%
Impact of U.S. Tax Reform	0.00%	(4.64%)	0.13%
Other	(4.12%)	0.62%	(0.95%)
Effective income tax rate	26.55%	16.53%	26.85%
Foreign tax credit included within Impacts of U.S. Tax Reform		$ 95.1