XML 46 R34.htm IDEA: XBRL DOCUMENT v3.21.2
Revenue - Revenue Performance Obligations (Details) - USD ($)
$ in Millions
Oct. 31, 2021
Jan. 31, 2021
Revenue from Contract with Customer [Abstract]    
Revenue, remaining performance obligation, amount $ 337.2 $ 351.8
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Revenue, remaining performance obligation, amount 337.2 $ 351.8
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-11-01    
Revenue from Contract with Customer [Abstract]    
Revenue, remaining performance obligation, amount 315.0  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]    
Revenue, remaining performance obligation, amount $ 315.0  
Revenue, remaining performance obligation, expected timing of satisfaction, period 24 months