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SUPPLEMENTAL CASH FLOW INFORMATION (Non-Cash Investing and Financing Activities) (Details) - USD ($)
$ in Millions
3 Months Ended
Sep. 23, 2020
Sep. 25, 2019
Other Significant Noncash Transactions [Line Items]    
Retirement of fully depreciated assets $ 2.5 $ 4.3
Accrued capital expenditures 6.4 14.2
Dividend Declared [Member]    
Other Significant Noncash Transactions [Line Items]    
Dividends declared but not paid $ 0.0 $ 14.6