XML 70 R54.htm IDEA: XBRL DOCUMENT v3.21.1
Earnings per Share (Reconciliation of Weighted Average Shares Outstanding and Calculation of Basic and Diluted Earnings Per Share) (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 9 Months Ended
Mar. 27, 2021
Dec. 26, 2020
Sep. 26, 2020
Mar. 28, 2020
Dec. 28, 2019
Sep. 28, 2019
Mar. 27, 2021
Mar. 28, 2020
Earnings Per Share [Abstract]                
Net income (loss) $ 91.7 $ 311.0 $ 231.7 $ (677.1) $ 298.8 $ 20.0 $ 634.4 $ (358.3)
Weighted-average basic shares (shares) 278,200,000     276,100,000     277,500,000 279,400,000
Effect of dilutive securities (shares) 7,400,000     0     4,000,000.0 0
Weighted-average diluted shares (shares) 285,600,000     276,100,000     281,500,000 279,400,000
Net income per share:                
Basic (USD per share) $ 0.33     $ (2.45)     $ 2.29 $ (1.28)
Diluted (USD per share) $ 0.32     $ (2.45)     $ 2.25 $ (1.28)