Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition Revenue Remaining Performance Obligation Narrative (Details)

v3.19.3.a.u2
Revenue Recognition Revenue Remaining Performance Obligation Narrative (Details) - Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-01-01
$ in Millions
Dec. 31, 2019
USD ($)
Revenue from Contract with Customer [Abstract]  
Revenue, Remaining Performance Obligation, Amount $ 1,047.7
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Remaining performance obligation expected to be recognized in the given period (as a percent) 85.00%