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Loss Per Share - Narrative (Details) - shares
shares in Millions
3 Months Ended 9 Months Ended
Mar. 28, 2021
Mar. 29, 2020
Mar. 28, 2021
Mar. 29, 2020
Earnings Per Share [Abstract]        
Anti-dilutive potential common shares excluded from diluted earnings per share calculation (shares) 3.1 5.2 3.6 5.5