LEASES (Significant Changes in Leases during the Period) (Details) $ in Millions	Mar. 25, 2020 USD ($)		Sep. 25, 2019 Leases	Jun. 27, 2019 USD ($)	Jun. 26, 2019 USD ($)
Lessee, Lease, Description [Line Items]
Operating lease assets	$ 1,159.9	[1]		$ 1,034.3	$ 0.0
Operating lease liabilities	120.7	[1]		110.8	0.0
Operating lease, long-term lease liabilities	1,154.2	[1]		1,044.9	0.0
Buildings and leasehold improvements	1,551.9				1,454.6
Other accrued liabilities	133.9			$ 102.8	141.1
Long-term debt and finance leases, less current installments	1,428.9				$ 1,206.6
Chili's restaurant acquisition [Member]
Lessee, Lease, Description [Line Items]
Number of operating leases | Leases			90
Operating lease assets	167.1
Operating lease liabilities	5.2
Operating lease, long-term lease liabilities	160.1
Number of finance leases | Leases			12
Finance lease, initial term			11 years
Buildings and leasehold improvements	25.1
Other accrued liabilities	0.6
Long-term debt and finance leases, less current installments	$ 24.6

[1] 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.