FAIR VALUE MEASUREMENTS (Assets Measured At Fair Value On Non-Recurring Basis) (Details) $ in Millions	12 Months Ended
	Jun. 30, 2021 USD ($) restaurant	Jun. 24, 2020 USD ($) restaurant	Jun. 26, 2019 USD ($) restaurant
Fair Value Disclosures [Line Items]
Asset impairment charges	$ 3.0	$ 19.1	$ 10.8
Chili's Restaurants [Member]
Fair Value Disclosures [Line Items]
Number of underperforming restaurants | restaurant			11
Underperforming Restaurants [Member]
Fair Value Disclosures [Line Items]
Carrying value of impaired long lived assets	2.6	16.7
Carrying value of impaired reacquired franchise rights	0.1	0.2
Carrying value of impaired operating lease assets	1.2	18.5
Carrying value of impaired finance lease assets	0.0	0.1
Total carrying value of impaired assets of underperforming restaurants	3.9	35.5
Impairment charges on long-lived assets	2.6	16.7
Impairment charges on reacquired franchise rights	0.1	0.2
Impairment charges on operating lease assets	0.3	2.1
Impairment charges on finance lease assets	0.0	0.1
Asset impairment charges	$ 3.0	$ 19.1
Underperforming Restaurants [Member] | Chili's Restaurants [Member]
Fair Value Disclosures [Line Items]
Number of underperforming restaurants | restaurant	11	25
Underperforming Restaurants [Member] | Maggiano's Restaurants [Member]
Fair Value Disclosures [Line Items]
Number of underperforming restaurants | restaurant	3	3
Closed Restaurants [Member]
Fair Value Disclosures [Line Items]
Carrying value of impaired operating lease assets	$ 0.0	$ 6.4
Carrying value of impaired finance lease assets	0.0	5.8
Total carrying value of impaired assets of closed restaurants	0.0	12.2
Impairment charges on operating lease assets	0.0	1.8
Impairment charges on finance lease assets	0.0	1.4
Asset impairment charges	0.0	3.2
Liquor Licenses [Member]
Fair Value Disclosures [Line Items]
Impairment of liquor licenses	$ 0.0	$ 0.0