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Divestitures (Details)
$ in Millions
12 Months Ended
Aug. 20, 2024
USD ($)
employee
Aug. 13, 2024
USD ($)
Jul. 31, 2024
USD ($)
Jul. 18, 2024
USD ($)
May 15, 2023
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Feb. 28, 2025
USD ($)
Feb. 14, 2025
USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                    
Proceeds from sale of business           $ 110.2 $ 270.2 $ 0.0    
Gain on sale of business           24.3 74.2 0.0    
Transaction costs             4.0      
Other, net           12.5 8.9 $ (11.7)    
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Travel Health Business                    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                    
Proceeds from sale of business         $ 270.2          
Other, net           0.5 $ 3.2      
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Travel Health Business | Development-Based Milestones                    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                    
Milestone payments         80.0          
Increase in contingent consideration, asset   $ 20.0   $ 10.0            
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Travel Health Business | Development-Based Milestones | Subsequent Event                    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                    
Milestone payment receivable                 $ 20.0 $ 30.0
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Travel Health Business | Sales-Based Milestones                    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                    
Milestone payments         $ 30.0          
Disposal Group, Disposed of by Sale, Not Discontinued Operations | RSDL                    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                    
Proceeds from sale of business     $ 75.0     75.0        
Milestone payments     $ 5.0              
Gain on sale of business           60.8        
Transaction costs           4.1        
Disposal Group, Disposed of by Sale, Not Discontinued Operations | RSDL | Service                    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                    
Revenue           2.0        
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Baltimore-Camden Facility                    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                    
Proceeds from sale of business $ 35.0         35.0        
Gain on sale of business           (36.5)        
Transaction costs           3.8        
Other, net           $ 0.5        
Number of positions eliminated | employee 350