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Stock-Based Compensation - Other Information Pertaining to Stock-Based Awards of Options (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Jun. 28, 2020
Jun. 30, 2019
Jun. 24, 2018
Share-based Payment Arrangement [Abstract]      
Weighted average grant date fair value per share of options (USD per share) $ 0 $ 0 $ 8.02
Total intrinsic value of options exercised (in millions of U.S. Dollars) $ 22.8 $ 63.3 $ 24.3