v3.22.4
Net Income Per Share - Computation of Basic and Diluted Net Income Per Share (Detail) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 6 Months Ended
Dec. 24, 2022
Sep. 24, 2022
Dec. 25, 2021
Sep. 25, 2021
Dec. 24, 2022
Dec. 25, 2021
Numerator:            
Net income $ 22.0 $ 64.6 $ 69.5 $ 40.2 $ 86.6 $ 109.7
Denominator:            
Shares, basic 39.8   39.4   39.8 38.5
Effect of dilutive share-based awards and convertible notes 0.4   1.3   0.7 2.2
Diluted 40.2   40.7   40.5 40.7
Net income per share:            
Basic $ 0.55   $ 1.76   $ 2.18 $ 2.85
Diluted $ 0.55   $ 1.71   $ 2.14 $ 2.70