SUPPLEMENTAL CASH FLOW INFORMATION (Non-Cash Operating, Investing and Financing Activities) (Details) $ in Millions		6 Months Ended
		Dec. 23, 2020 USD ($) Restaurants	Dec. 25, 2019 USD ($)	Sep. 05, 2019 Restaurants
Other Significant Noncash Transactions [Line Items]
Operating lease additions	[1]	$ 38.0	$ 203.2
Accrued capital expenditures		7.9	9.0
Retirement of fully depreciated assets		$ 7.7	9.2
Number of restaurants | Restaurants		1,655
Chili's restaurant acquisition [Member]
Other Significant Noncash Transactions [Line Items]
Number of restaurants | Restaurants				116
Dividend Declared [Member]
Other Significant Noncash Transactions [Line Items]
Dividends declared but not paid		$ 0.0	$ 15.0

[1] Operating lease additions include new operating lease assets obtained in exchange for new operating lease liabilities. The twenty-six week period ended December 25, 2019 included operating lease additions associated with the 116 restaurants purchased from a former franchisee on September 5, 2019 acquisition date. Refer to Note 15 - Fiscal 2020 Chili’s Restaurant Acquisition for details.