LEASES (Consolidated Balance Sheet Disclosure of Lease Amounts) (Details) - USD ($) $ in Millions		Sep. 25, 2019		Jun. 27, 2019	Jun. 26, 2019
Leases - Consolidated Balance Sheet Disclosure of Lease Amounts [Abstract]
Finance Lease, Lease assets	[1]	$ 67.0
Finance Lease, Current lease liabilities		10.2	[1]		$ 9.7
Finance Lease, Long-term lease liabilities	[1]	73.6
Finance Lease, Total lease liabilities	[1]	83.8
Operating Lease, Lease assets		1,192.3	[2]	$ 1,034.3	0.0
Operating Lease, Current lease liabilities		119.2	[2]	110.8	0.0
Operating Lease, Long-term lease liabilities		1,189.1	[2]	$ 1,044.9	$ 0.0
Operating Lease, Total lease liabilities	[2]	1,308.3
Operating and Financing Lease, Lease assets		1,259.3
Operating and Finance, Current lease liabilities		129.4
Operating and Finance Lease, Long-term lease liabilities		1,262.7
Operating and Finance Lease, Total lease liabilities		$ 1,392.1

[1] Finance lease assets are recorded in Property and equipment, at cost, and the related current and long-term lease liabilities are recorded within Other accrued liabilities and Long-term debt and finance leases, less current installments, respectively.

[2] Operating lease assets are recorded in Operating lease assets, and the related current and long-term lease liabilities are recorded within Operating lease liabilities and Long-term operating lease liabilities, less current portion, respectively.