ACCRUED AND OTHER LIABILITIES (Schedule of Other Liabilities) (Details) - USD ($) $ in Millions		Dec. 23, 2020	Jun. 24, 2020
Other liabilities [Line Items]
Deferred payroll taxes	[1]	$ 53.2	$ 12.9
Insurance		34.2	33.7
Deferred franchise fees		10.8	11.6
Unrecognized tax benefits		2.1	2.1
Other		6.4	6.8
Other liabilities		$ 106.7	$ 67.1

[1] Deferred payroll taxes consists of the deferral of the employer portion of certain payroll related taxes as allowed under the CARES Act which will be repaid in two equal installments on December 31, 2021 and December 31, 2022