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Collaboration Agreements And Business Development Activities - Ipsen Collaboration Narrative (Details) - Collaborative Arrangement with Ipsen
$ in Millions, $ in Millions
3 Months Ended 9 Months Ended
Oct. 03, 2025
USD ($)
Sep. 27, 2024
USD ($)
Sep. 27, 2024
CAD ($)
Oct. 03, 2025
USD ($)
Sep. 27, 2024
USD ($)
Sep. 27, 2024
CAD ($)
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]            
Revenue from contract with customer, regulatory milestone $ 5.0 $ 12.5   $ 5.0 $ 12.5  
Revenue from contract with customer, commercial sales milestone         150.0  
Cumulative net sales milestone     $ 30.0   600.0 $ 30.0
License revenues            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]            
Revenue from contract with customer, regulatory milestone upon submission of application 4.3 10.8   4.3 10.8  
Revenue from contract with customer, commercial sales milestone   2.2     2.2  
Collaboration services revenues            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]            
Revenue from contract with customer, regulatory milestone upon submission of application $ 0.4 $ 0.5   $ 0.4 $ 0.5