XML 47 R29.htm IDEA: XBRL DOCUMENT v3.20.4
Revenues - Remaining Performance Obligations Narrative (Details)
$ in Millions
Jan. 31, 2021
USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-02-01  
Revenue from Contract with Customer [Abstract]  
Revenue, remaining performance obligation, amount $ 246.5
Revenue, remaining performance obligation, percentage 61.00%
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Revenue, remaining performance obligation, period 12 months