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Intangible Assets - Schedule of Intangible Assets (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2020
Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross $ 105.2 $ 105.0
Accumulated amortization (68.2) (57.6)
Intangible assets, net 37.0 47.4
Developed technology    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross $ 25.8 25.8
Developed technology | Weighted Average    
Finite-Lived Intangible Assets [Line Items]    
Weighted- average remaining useful life (In years) 3 years 3 months 18 days  
Customer relationships    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross $ 20.5 20.5
Customer relationships | Weighted Average    
Finite-Lived Intangible Assets [Line Items]    
Weighted- average remaining useful life (In years) 3 years 6 months  
Software    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross $ 20.2 20.0
Software | Weighted Average    
Finite-Lived Intangible Assets [Line Items]    
Weighted- average remaining useful life (In years) 1 year 3 months 18 days  
Patents    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross $ 13.0 13.0
Patents | Weighted Average    
Finite-Lived Intangible Assets [Line Items]    
Weighted- average remaining useful life (In years) 7 years 3 months 18 days  
Assembled workforce in asset acquisitions    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross $ 12.6 12.6
Assembled workforce in asset acquisitions | Weighted Average    
Finite-Lived Intangible Assets [Line Items]    
Weighted- average remaining useful life (In years) 3 months 18 days  
Trademarks and trade names    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross $ 5.2 5.2
Trademarks and trade names | Weighted Average    
Finite-Lived Intangible Assets [Line Items]    
Weighted- average remaining useful life (In years) 3 years 4 months 24 days  
Licenses    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross $ 4.6 4.6
Licenses | Weighted Average    
Finite-Lived Intangible Assets [Line Items]    
Weighted- average remaining useful life (In years) 9 months 18 days  
Other    
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, gross $ 3.3 $ 3.3
Other | Weighted Average    
Finite-Lived Intangible Assets [Line Items]    
Weighted- average remaining useful life (In years) 4 years 10 months 24 days