DEBT (Long-Term Debt) (Details) - USD ($) $ in Millions		Jun. 30, 2021	Jun. 24, 2020
Debt [Line Items]
Finance lease obligations	[1]	$ 121.3	$ 102.1
Total long-term debt and finance leases		942.6	1,225.0
Less: unamortized debt issuance costs and discounts		(3.2)	(4.3)
Total long-term debt, less unamortized debt issuance costs and discounts		939.4	1,220.7
Less: current installments of long-term debt	[2]	(21.5)	(12.2)
Long-term debt and finance leases, less current installments		917.9	1,208.5
5.000% notes
Debt [Line Items]
Senior notes		350.0	350.0
3.875% notes
Debt [Line Items]
Senior notes		300.0	300.0
$1B Revolving Credit Facility [Member]
Debt [Line Items]
Revolving credit facility		$ 171.3	$ 472.9

[1] Finance lease assets are recorded in Property and equipment, at cost, and the related current and long-term lease liabilities are recorded within Other accrued liabilities and Long-term debt and finance leases, less current installments, respectively.

[2] Current installments of long-term debt consist of finance leases for the periods presented and are recorded within Other accrued liabilities in the Consolidated Balance Sheets. Refer to Note 11 - Accrued and Other Liabilities for further details.