XML 36 R36.htm IDEA: XBRL DOCUMENT v3.20.1
Revenue - Narrative (Details)
$ in Millions
3 Months Ended
Mar. 31, 2020
USD ($)
Revenue from Contract with Customer [Abstract]  
Deferred revenue, revenue recognized $ 38.1
Revenue, remaining performance obligation $ 7,200.0
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, requirement of payment, terms 24 months