INCOME TAXES (Deferred Income Tax Assets And Liabilities) (Details) - USD ($) $ in Millions	Jun. 30, 2021	Jun. 24, 2020
Deferred income tax assets:
Lease liabilities	$ 305.1	$ 313.7
Gift cards	17.0	13.7
Insurance reserves	11.5	12.2
Stock-based compensation	10.9	11.0
Federal credit carryover	6.8	7.3
Net operating losses	4.1	3.2
State credit carryover	2.5	2.8
Restructure charges and impairments	1.5	1.4
Payroll tax deferral	13.6	3.2
Other, net	10.6	7.1
Less: Valuation allowance	(6.1)	(5.6)
Total deferred income tax assets	377.5	370.0
Deferred income tax liabilities:
Lease assets	275.7	275.5
Goodwill and other amortization	22.6	21.6
Depreciation and capitalized interest on property and equipment	11.8	19.8
Prepaid expenses	16.0	14.4
Other, net	0.5	0.5
Total deferred income tax liabilities	326.6	331.8
Deferred income taxes, net	$ 50.9	$ 38.2