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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 6 Months Ended
Jun. 29, 2024
Mar. 30, 2024
Jul. 01, 2023
Apr. 01, 2023
Jun. 29, 2024
Jul. 01, 2023
Net income per share:            
Net income $ 16.0 $ 18.9 $ 15.7 $ 21.3 $ 34.9 $ 37.0
Basic net income per share:            
Weighted-average shares outstanding - basic (in shares) 53.1   52.8   53.1 52.7
Net income per basic share (in dollars per share) $ 0.30   $ 0.30   $ 0.66 $ 0.70
Diluted net income per share:            
Weighted-average shares outstanding - basic (in shares) 53.1   52.8   53.1 52.7
Diluted share equivalent: stock options, RSUs and PSUs (in shares) 1.2   1.6   1.2 1.6
Weighted-average shares outstanding - diluted (in shares) 54.3   54.4   54.3 54.3
Net income per diluted share (in dollars per share) $ 0.29   $ 0.29   $ 0.64 $ 0.68