LEASES (Lease Maturity Analysis) (Details) - USD ($) $ in Millions		12 Months Ended
		Jun. 26, 2019	Jun. 24, 2020
Leases - Lease Maturity Analysis [Abstract]
Finance Leases, 2021			$ 17.8
Finance Leases, 2022			22.0
Finance Leases, 2023			20.3
Finance Leases, 2024			10.3
Finance Leases, 2025			10.6
Finance Leases, Thereafter			53.6
Finance Leases, Total future lease payments	[1]		134.6
Finance Leases, Imputed interest			32.5
Finance lease obligations	[2]		102.1
Finance Leases, Non-Cancelable Lease Commitments			113.4
Operating Leases, 2021			179.4
Operating Leases, 2022			167.4
Operating Leases, 2023			155.6
Operating Leases, 2024			145.4
Operating Lease, 2025			135.4
Operating Leases, Thereafter			854.2
Operating Lease, Total future lease payments	[1]		1,637.4
Operating Leases, Imputed interest			458.5
Operating Lease, Liability	[3]		1,178.9
Operating Leases, Non-Cancelable Lease Commitments			1,083.4
Sublease (Income), 2021			(3.4)
Sublease (Income), 2022			(3.3)
Sublease (Income), 2023			(2.6)
Sublease (Income), 2024			(1.9)
Sublease (Income), 2025			(1.9)
Sublease (Income), Thereafter			(4.8)
Sublease (Income), Total future lease payments	[1]		$ (17.9)
Capital Leases, 2020		$ 12.3
Capital Leases, 2021		10.1
Capital Leases, 2022		8.2
Capital Leases, 2023		6.7
Capital Leases, 2024		6.0
Capital Leases, Thereafter		17.4
Capital Leases, Total minimum lease payments	[4]	60.7
Capital Leases, Imputed interest		(12.3)
Capital lease obligations		48.4
Capital Leases, Current obligations		(9.7)
Capital Leases, Long-term obligations		38.7
Capital Leases, Future Minimum Sublease Rentals		22.0
Operating Leases, 2020		156.8
Operating Leases, 2021		154.5
Operating Leases, 2022		148.6
Operating Leases, 2023		137.7
Operating Leases, 2024		127.6
Operating Leases, Thereafter		771.7
Operating leases, Total minimum lease payments	[5]	1,496.9
Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals		14.6
Operating Leases, Rent Expense		158.6
Operating Leases, Rent Expense, Minimum Rentals		141.7
Operating Leases, Rent Expense, Contingent Rentals		3.3
Operating Leases, Rent Expense, Other		$ 13.6

[1] ⁽¹⁾  Total future lease payments as of June 24, 2020 included non-cancelable lease commitments of $113.4 million for finance leases, and $1,083.4 million for operating leases.

[2] ⁽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.

[3] ⁽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.

[4] ⁽¹⁾  Total minimum lease payments were not reduced by minimum sublease rentals to be received in the future under non-cancelable subleases. The total of undiscounted future sublease rentals was approximately $22.0 million and $14.6 million for capital and operating subleases, respectively, as of June 26, 2019.

[5] ⁽²⁾  Operating lease expenses for the fifty-two weeks ended June 26, 2019, recorded under Legacy GAAP, totaled $158.6 million, which included $141.7 million for straight-lined minimum rent, $3.3 million for contingent rent, and $13.6 million of other rent-related expenses.