INCOME TAXES (Reconciliation Between Reported and Computed by Statutory Federal Income Tax Rate) (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Dec. 29, 2021	Dec. 23, 2020	Dec. 29, 2021	Dec. 23, 2020
Income Tax Disclosure [Abstract]
Income tax expense at statutory rate - 21.0%			$ 8.9
FICA tip tax credit			(7.6)
Stock-based compensation excess tax benefits			(0.7)
State income taxes, net of federal benefit			2.6
Other			(1.5)
Provision (benefit) for income taxes	$ 1.5	$ (3.8)	$ 1.7	$ (4.3)

Amount of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to expense for award under share-based payment arrangement. Excludes expense determined to be nondeductible upon grant or after for award under share-based payment arrangement.

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