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Revenue Recognition - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Disaggregation of Revenue [Line Items]    
Deferred Revenue, Current $ 40.8 $ 35.8
Deferred Revenue, Noncurrent $ 75.8 $ 49.8
Minimum    
Disaggregation of Revenue [Line Items]    
Extended service warranty period 12 months  
Maximum    
Disaggregation of Revenue [Line Items]    
Extended service warranty period 84 months