LEASES (Sale leaseback transaction) (Details) $ in Millions		12 Months Ended
		Jun. 26, 2019 USD ($) Location	Jun. 24, 2020 USD ($)
Sale Leaseback Transaction [Line Items]
Number of properties sold and leased back under operating leases | Location		152
Sale leaseback transaction, gross proceeds		$ 495.0
Sale Leaseback Transaction, Accumulated Depreciation		179.8
Sale leaseback transaction, gross gain on sale		$ (309.7)
Sale Leaseback Transaction, Lease Terms		15 years
Straight-line rent(2)	[1]	$ 57.2	$ 0.0
Sale Leaseback Transaction, Current Period Gain Recognized		35.2
Sale Leaseback Transaction, Transaction Costs, Investing Activities		7.9
Sale leaseback transaction, deferred gain		274.6
Sale Leaseback [Member]
Sale Leaseback Transaction [Line Items]
Straight-line rent(2)		62.3
Accrued Rent		$ 2.8
Chili's Restaurants [Member]
Sale Leaseback Transaction [Line Items]
Number of properties sold and leased back under operating leases | Location		151
Sale Leaseback Transaction, Current Period Gain Recognized		$ 26.8
Maggiano's Restaurants [Member]
Sale Leaseback Transaction [Line Items]
Number of properties sold and leased back under operating leases | Location		1
Sale Leaseback Transaction, Current Period Gain Recognized		$ 0.5
Land [Member]
Sale Leaseback Transaction [Line Items]
Sale leaseback transaction, historical cost of assets sold		114.4
Buildings And Leasehold Improvements
Sale Leaseback Transaction [Line Items]
Sale leaseback transaction, historical cost of assets sold		240.5
Furniture And Equipment [Member]
Sale Leaseback Transaction [Line Items]
Sale leaseback transaction, historical cost of assets sold		$ 10.2

[1] ⁽²⁾  Straight-line rent, Landlord contributions and Unfavorable leases balances were reclassified as a decrease to Operating lease assets upon the adoption of ASC 842. Refer to Note 4 - Leases for more details.