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Summary of Significant Accounting Policies - Schedule of Reconciliation of Basic and Diluted Net Income Per Share (Detail) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Jul. 01, 2023
Apr. 01, 2023
Oct. 01, 2022
Jul. 02, 2022
Apr. 02, 2022
Sep. 30, 2023
Oct. 01, 2022
Net income per share:                
Net income $ 10.6 $ 15.7 $ 21.3 $ 37.9 $ 18.1 $ 46.6 $ 47.6 $ 102.6
Basic net income per share:                
Weighted-average shares outstanding - basic (in shares) 52.8     52.5     52.8 54.0
Net income per basic share (in dollars per share) $ 0.20     $ 0.72     $ 0.90 $ 1.90
Diluted net income per share:                
Weighted-average shares outstanding - basic (in shares) 52.8     52.5     52.8 54.0
Diluted share equivalent: stock options, RSUs and PSUs (in shares) 1.1     1.6     1.4 1.6
Weighted-average shares outstanding - diluted (in shares) 53.9     54.1     54.2 55.6
Net income per diluted share (in dollars per share) $ 0.20     $ 0.70     $ 0.88 $ 1.85