v3.26.1
Collaboration Agreements And Business Development Activities - Research Collaborations and In-Licensing Arrangements Narrative (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jul. 03, 2026
Jul. 04, 2025
Jul. 03, 2026
Jul. 04, 2025
Asset Acquisition [Line Items]        
Research and development $ 211,987 $ 200,356 $ 411,903 $ 412,589
Research Collaborations, In-Licensing Arrangements and Other Business Development Activities        
Asset Acquisition [Line Items]        
Research and development 9,300 $ 5,700 17,100 $ 10,900
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 $ 2,500,000   $ 2,500,000