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FAIR VALUE MEASUREMENTS (Schedule of Carrying and Fair Values of Financial Instruments) (Details) - USD ($)
$ in Millions
Dec. 25, 2019
Jun. 26, 2019
Dec. 27, 2017
Fair Value Disclosure, Senior Notes [Line Items]      
Sales price of JV received as note receivable     $ 18.0
Fair value of note receivable $ 9.9   $ 16.0
3.88% notes [Member]      
Fair Value Disclosure, Senior Notes [Line Items]      
Notes, stated percentage interest rate 3.875%    
Carrying value of notes $ 298.8 $ 298.6  
Fair value of notes $ 304.7 296.3  
5.00% notes [Member]      
Fair Value Disclosure, Senior Notes [Line Items]      
Notes, stated percentage interest rate 5.00%    
Carrying value of notes $ 346.3 345.9  
Fair value of notes $ 370.8 $ 356.2