v3.26.3
Restructuring - Narrative (Details)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 26, 2023
USD ($)
Sep. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
Sep. 30, 2026
USD ($)
Employee
Sep. 30, 2025
USD ($)
Restructuring Cost and Reserve [Line Items]          
Restructuring charges   $ 66.5 $ 7.4 $ 239.8 $ 42.0
2023 Cost Saving Initiatives          
Restructuring Cost and Reserve [Line Items]          
Expected operating expense reduction $ 1,000.0        
Expected number of positions eliminated | Employee       1,400  
Restructuring charges         $ 320.0
Apellis Integration          
Restructuring Cost and Reserve [Line Items]          
Restructuring charges   $ 41.5   $ 194.7