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Revenue Recognition - Deferred Revenue and Transaction Price Allocated to the Remaining Performance Obligations (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Revenue from Contract with Customer [Abstract]    
Deferred revenue recognized $ 63.6 $ 51.3
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Revenue expected to be recognized 269.2  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-04-01    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Revenue expected to be recognized $ 187.4  
Expected period of recognition 12 months