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Restructuring Activities - Schedule of Approved Restructuring Spending (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Total Restructuring Program Range    
Other expenses associated with the Program $ 5.3 $ 4.0
Total charges 5.3 4.6
Capital expenditures 1.2 $ 0.2
Program    
Total Restructuring Program Range    
Other expenses associated with the Program 5.3  
Less Cumulative Spend to Date    
Costs of reduction in headcount as a result of reorganization (60.0)  
Other expenses associated with the Program (88.0)  
Total expense (148.0)  
Capital expenditures (4.0)  
Total estimated cash cost (152.0)  
Program | Minimum    
Total Restructuring Program Range    
Costs of reduction in headcount as a result of reorganization 65.0  
Other expenses associated with the Program 120.0  
Total charges 185.0  
Capital expenditures 5.0  
Total estimated net cash cost 190.0  
Restructuring and Related Cost, Expected Cost [Abstract]    
Costs of reduction in headcount as a result of reorganization 5.0  
Other expenses associated with the Program 32.0  
Total expense 37.0  
Capital expenditures 1.0  
Total estimated cash cost 38.0  
Program | Maximum    
Total Restructuring Program Range    
Costs of reduction in headcount as a result of reorganization 75.0  
Other expenses associated with the Program 130.0  
Total charges 205.0  
Capital expenditures 15.0  
Total estimated net cash cost 220.0  
Restructuring and Related Cost, Expected Cost [Abstract]    
Costs of reduction in headcount as a result of reorganization 15.0  
Other expenses associated with the Program 42.0  
Total expense 57.0  
Capital expenditures 11.0  
Total estimated cash cost $ 68.0