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Summary of Significant Accounting Policies - Computation of Basic and Diluted Net (Loss) Income Per Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 12 Months Ended
Dec. 28, 2024
Dec. 30, 2023
Dec. 31, 2022
Net (loss) income      
Net income (loss) $ (304.9) $ 81.5 $ 143.5
Basic net (loss) income per share:      
Weighted-average shares outstanding - basic (in shares) 53.3 52.8 53.6
Net (loss) income per basic share (in dollars per share) $ (5.72) $ 1.54 $ 2.68
Diluted net (loss) income per share:      
Weighted-average shares outstanding - basic (in shares) 53.3 52.8 53.6
Diluted share equivalents: stock options and RSUs and PSUs (in shares) 0.0 1.3 1.6
Weighted-average shares outstanding - diluted (in shares) 53.3 54.1 55.2
Net (loss) income per diluted share (in dollars per share) $ (5.72) $ 1.51 $ 2.60