v3.26.1
Collaboration Agreements And Business Development Activities - Collaboration Revenues under the Collaboration Agreement with Ipsen (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jul. 03, 2026
Jul. 04, 2025
Jul. 03, 2026
Jul. 04, 2025
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Total revenues $ 628,690 $ 568,261 $ 1,239,502 $ 1,123,708
Collaborative Arrangement with Ipsen        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Total revenues 46,007 37,033 85,575 69,739
License revenues        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Total revenues 59,810 49,301 116,758 91,781
License revenues | Collaborative Arrangement with Ipsen        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Total revenues 50,539 39,540 94,071 73,519
Collaboration services revenues        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Total revenues (4,145) (1,054) (5,258) (1,370)
Collaboration services revenues | Collaborative Arrangement with Ipsen        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Total revenues $ (4,532) $ (2,507) $ (8,496) $ (3,780)