SUPPLEMENTAL CASH FLOW INFORMATION (Non-Cash Investing and Financing Activities) (Details) - USD ($) $ in Millions	9 Months Ended
	Mar. 25, 2020		Mar. 27, 2019
Other Significant Noncash Transactions [Line Items]
Retirement of fully depreciated assets	$ 14.0		$ 23.2
Accrued capital expenditures	14.7		10.7
Capital lease additions	0.0	[1]	2.5
Dividend Declared [Member]
Other Significant Noncash Transactions [Line Items]
Dividends declared but not paid	$ 14.8		$ 15.2

[1] Capital lease additions for the thirty-nine week period ended March 25, 2020 are now disclosed as part of the finance lease disclosures in Note 4 - Leases, “Consolidated Statement of Cash Flows Disclosure of Lease Amounts” section.