SUPPLEMENTAL CASH FLOW INFORMATION (Non-Cash Investing and Financing Activities) (Details) - USD ($) $ in Millions	6 Months Ended
	Dec. 25, 2019		Dec. 26, 2018
Other Significant Noncash Transactions [Line Items]
Retirement of fully depreciated assets	$ 9.2		$ 16.6
Accrued capital expenditures	9.0		14.2
Capital lease additions	0.0	[1]	2.5
Dividend Declared [Member]
Other Significant Noncash Transactions [Line Items]
Dividends declared but not paid	$ 15.0		$ 14.8

[1] Capital lease additions for the twenty-six week period ended December 25, 2019 are disclosed as part of the finance lease disclosures in Note 3 - Leases, “Consolidated Statement of Cash Flows Disclosure of Lease Amounts” section.