NOVEL CORONAVIRUS PANDEMIC (Details) $ in Millions	3 Months Ended		12 Months Ended
	Jun. 24, 2020 USD ($) restaurant Rate		Jun. 24, 2020 USD ($) restaurant Rate		Jun. 26, 2019 USD ($) restaurant		Jun. 27, 2019 USD ($)	[2]
Novel Coronavirus Pandemic [Line Items]
Percent of restaurants open | Rate	94.90%		94.90%
Net property and equipment	$ 805.3		$ 805.3		$ 755.1
Operating lease assets (Note 4)	1,054.6	[1]	1,054.6	[1]	$ 0.0	[2]	$ 1,034.3
Impairment of long-lived and operating lease assets due to COVID-19	$ 14.5
Employee assistance expenses			17.3
Supplies and other expenses			1.5
Inventory write-off			1.1
Reduction of payroll tax liability, CARES Act			$ (7.9)
Chili's Restaurants [Member]
Novel Coronavirus Pandemic [Line Items]
Number of underperforming restaurants | restaurant	18		25		11
Maggiano's Restaurants [Member]
Novel Coronavirus Pandemic [Line Items]
Number of underperforming restaurants | restaurant	3		3
Continuing operations [Member]
Novel Coronavirus Pandemic [Line Items]
Number of underperforming restaurants | restaurant	19
To be closed [Member] | Chili's Restaurants [Member]
Novel Coronavirus Pandemic [Line Items]
Number of underperforming restaurants | restaurant	2

[1] ⁽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.

[2] ⁽²⁾  Operating lease assets represent the capitalization of operating lease assets equal to the amount of recognized operating lease liability as described in ⁽⁴⁾ below, adjusted by the net carrying amounts described in ⁽¹⁾ above, and $15.5 million related to the impairment of certain operating lease assets for restaurant facilities previously fully impaired under our long-lived asset impairment policy that were recorded to Retained earnings.