v3.25.2
Collaboration Agreements And Business Development Activities - Research Collaborations and In-Licensing Arrangements Narrative (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jul. 04, 2025
Jun. 28, 2024
Jul. 04, 2025
Jun. 28, 2024
Asset Acquisition [Line Items]        
Research and development $ 200,356 $ 211,147 $ 412,589 $ 438,836
Research Collaborations, In-Licensing Arrangements and Other Business Development Activities        
Asset Acquisition [Line Items]        
Research and development 5,700 $ 5,800 10,900 $ 28,600
Collaborative arrangement, maximum aggregate development milestone payments 441,500   441,500  
Collaborative arrangement, maximum aggregate regulatory milestone payments 278,000   278,000  
Collaborative arrangement, rights and obligations, maximum aggregate commercial milestone payments $ 2,400,000   $ 2,400,000