v3.25.2
Fair Value of Financial Instruments - Fair Value Hierachy (Details) - USD ($)
$ in Millions
Jun. 29, 2025
Dec. 29, 2024
Jun. 30, 2024
Assets:      
Short-term investments $ 0.0 $ 0.0 $ 483.0
Fair Value, Recurring      
Assets:      
Short-term investments     483.0
Available-for-sale securities 10.8 0.6 0.8
Derivatives 2.3 9.7 3.5
Total assets 13.1 10.3 487.3
Liabilities:      
Derivatives 11.5 1.7 8.5
Option agreement     1.7
Total liabilities 11.5 1.7 10.2
Fair Value, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)      
Assets:      
Short-term investments     483.0
Available-for-sale securities 10.8 0.6 0.8
Derivatives 0.0 0.0 0.0
Total assets 10.8 0.6 483.8
Liabilities:      
Derivatives 0.0 0.0 0.0
Option agreement     0.0
Total liabilities 0.0 0.0 0.0
Fair Value, Recurring | Significant Other Observable Inputs (Level 2)      
Assets:      
Short-term investments     0.0
Available-for-sale securities 0.0 0.0 0.0
Derivatives 2.3 9.7 3.5
Total assets 2.3 9.7 3.5
Liabilities:      
Derivatives 11.5 1.7 8.5
Option agreement     0.0
Total liabilities 11.5 1.7 8.5
Fair Value, Recurring | Significant Unobservable Inputs (Level 3)      
Assets:      
Short-term investments     0.0
Available-for-sale securities 0.0 0.0 0.0
Derivatives 0.0 0.0 0.0
Total assets 0.0 0.0 0.0
Liabilities:      
Derivatives 0.0 0.0 0.0
Option agreement     1.7
Total liabilities $ 0.0 $ 0.0 $ 1.7