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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
Mar. 30, 2024
Apr. 01, 2023
Net income per share:    
Net income $ 18.9 $ 21.3
Basic net income per share:    
Weighted-average shares outstanding - basic (in shares) 53.0 52.6
Net income per basic share (in dollars per share) $ 0.36 $ 0.40
Diluted net income per share:    
Weighted-average shares outstanding - basic (in shares) 53.0 52.6
Diluted share equivalent: stock options, RSUs and PSUs (in shares) 1.3 1.8
Weighted-average shares outstanding - diluted (in shares) 54.2 54.4
Net income per diluted share (in dollars per share) $ 0.35 $ 0.39