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Stock-Based Compensation - Schedule of Restricted Stock Units and Performance Stock Units (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 9 Months Ended
Feb. 25, 2025
Sep. 27, 2025
Sep. 28, 2024
Sep. 27, 2025
Sep. 28, 2024
Dec. 28, 2024
Weighted-Average Grant Date Fair Value            
Stock compensation expense (benefit)   $ 9.3 $ 5.0 $ 26.9 $ 25.6  
Restricted Stock Units (RSUs)            
Units            
Beginning of period (in shares)       600,000    
Granted (in units)       300,000    
Cancelled (in units)       (200,000)    
Vested (in units)       (100,000)    
End of period (in shares)   600,000   600,000    
Weighted-Average Grant Date Fair Value            
Beginning of period (in dollars per share)   $ 142.87   $ 142.87   $ 135.99
Granted (in dollars per share)       165.83    
Canceled (in dollars per share)       151.08    
Vested (in dollars per share)       157.49    
End of period, fair value (in dollars per share)   $ 142.87   $ 142.87    
Stock compensation expense (benefit)   $ 7.9 7.1 $ 25.1 20.4  
Restricted Stock Units (RSUs) | Discontinued operations            
Units            
Granted (in units)   0   0    
Weighted-Average Grant Date Fair Value            
Stock compensation expense (benefit)   $ 0.3 1.1 $ 2.6 3.2  
Performance Shares            
Units            
Beginning of period (in shares)       100,000    
Granted (in units)       100,000    
Cancelled (in units)       (100,000)    
End of period (in shares)   100,000   100,000    
Weighted-Average Grant Date Fair Value            
Beginning of period (in dollars per share)   $ 179.86   $ 179.86   $ 172.50
Granted (in dollars per share)       179.90    
Canceled (in dollars per share)       171.56    
End of period, fair value (in dollars per share)   $ 179.86   $ 179.86    
Stock compensation expense (benefit)   $ 1.0 (1.9) $ 0.8 1.4  
Weighted payout percentage 0.00%          
Award vesting period 3 years          
Performance Shares | Discontinued operations            
Units            
Granted (in units)   0   0    
Weighted-Average Grant Date Fair Value            
Stock compensation expense (benefit)   $ (1.7) $ 0.3 $ (1.1) $ 0.6