OTHER GAINS AND CHARGES - Schedule Of Other Gains And Charges (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 29, 2022	Jun. 30, 2021		Jun. 24, 2020
Restructuring Cost and Reserve [Line Items]
Restaurant impairment charges	$ 8.3	$ 3.0		$ 19.1
Remodel-related costs	4.9	2.3		3.2
Restaurant closure charges	3.7	2.4		3.8
Lease contingencies	3.1	2.2		0.0
Enterprise system implementation costs	2.4	0.0		0.0
Acquisition-related costs, net	1.6	0.0		2.9
Loss from natural disasters, net of (insurance recoveries)	1.1	2.9		(0.7)
COVID-19 related charges	0.5	3.3		12.2
Other	5.6	2.9		6.9
Other gains and charges	$ 31.2	$ 19.0	[1]	$ 47.4

[1] Fiscal 2021, which ended on June 30, 2021, contained 53 weeks. The impact of the 53rd week in fiscal 2021 resulted in an increase in Total revenues. While certain expenses increased in direct relationship to additional revenues from the 53rd week, other expenses, such as fixed costs, are incurred on a calendar month basis.