Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition Revenue Remaining Performance Obligation Narrative (Details)

v3.20.4
Revenue Recognition Revenue Remaining Performance Obligation Narrative (Details)
$ in Millions
Dec. 31, 2020
USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-01  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Remaining performance obligation expected to be recognized in the given period (as a percent) 78.00%
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-10-01  
Revenue from Contract with Customer [Abstract]  
Revenue, Remaining Performance Obligation, Amount $ 1,362.6