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Summary of Significant Accounting Policies - Schedule of Computation of Basic and Diluted Net Income (Loss) Per Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended 9 Months Ended
Sep. 27, 2025
Jun. 28, 2025
Mar. 29, 2025
Sep. 28, 2024
Jun. 29, 2024
Mar. 30, 2024
Sep. 27, 2025
Sep. 28, 2024
Accounting Policies [Abstract]                
Net income from continuing operations, net of tax $ 53.7     $ 24.3     $ 145.8 $ 81.2
Net (loss) from discontinued operations, net of tax - (Note 18) (154.1)     (14.5)     (365.6) (36.5)
Net (loss) income $ (100.4) $ 51.3 $ (170.7) $ 9.8 $ 16.0 $ 18.9 $ (219.8) $ 44.7
Basic net income (loss) per share:                
Weighted-average shares outstanding - basic (in shares) 54.0     53.4     54.1 53.2
Continuing operations per basic share (in dollars per share) $ 0.99     $ 0.46     $ 2.70 $ 1.53
Discontinued operations per basic share (in dollars per share) (2.85)     (0.27)     (6.76) (0.69)
Basic (loss) income per share (in dollars per share) $ (1.86)     $ 0.19     $ (4.06) $ 0.84
Diluted net income (loss) per share:                
Weighted-average shares outstanding - basic (in shares) 54.0     53.4     54.1 53.2
Diluted share equivalent: stock options, RSUs and PSUs (in shares) 0.4     0.9     0.6 1.1
Weighted-average shares outstanding - diluted (in shares) 54.4     54.3     54.7 54.3
Continuing operations per diluted share (in dollars per share) $ 0.99     $ 0.45     $ 2.67 $ 1.50
Discontinued operations per diluted share (in dollars per share) (2.83)     (0.27)     (6.68) (0.67)
Net (loss) income per diluted share (in dollars per share) $ (1.84)     $ 0.18     $ (4.01) $ 0.83