v3.25.2
Collaboration Agreements And Business Development Activities - Collaboration Revenues under the Collaboration Agreement with Takeda (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jul. 04, 2025
Jun. 28, 2024
Jul. 04, 2025
Jun. 28, 2024
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Total revenues $ 568,261 $ 637,178 $ 1,123,708 $ 1,062,404
Collaborative Arrangement with Takeda        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Total revenues 5,286 5,272 9,002 11,167
License revenues        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Total revenues 49,301 194,986 91,781 239,662
License revenues | Collaborative Arrangement with Takeda        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Total revenues 3,833 3,294 6,592 6,004
Collaboration services revenues        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Total revenues (1,054) 4,611 (1,370) 6,638
Collaboration services revenues | Collaborative Arrangement with Takeda        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Total revenues $ 1,453 $ 1,978 $ 2,410 $ 5,163