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Revenues - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Jul. 31, 2023
Jul. 31, 2022
Jul. 31, 2023
Jul. 31, 2022
Jan. 31, 2023
Disaggregation of Revenue [Line Items]          
Deferred revenue recognized $ 101.6 $ 67.0 $ 157.5 $ 105.8  
Remaining performance obligation $ 495.8   $ 495.8   $ 435.9
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-08-01          
Disaggregation of Revenue [Line Items]          
Remaining performance obligation, next twelve months (as a percent) 68.00%   68.00%    
Remaining performance obligation, next twenty four months (as a percent) 88.00%   88.00%    
Accounts Receivable | Credit Concentration Risk | Distribution Channel One          
Disaggregation of Revenue [Line Items]          
Concentration risk, percentage     16.00%   12.00%
United States | Revenue from Contract with Customer Benchmark | Geographic Concentration Risk          
Disaggregation of Revenue [Line Items]          
Concentration risk, percentage 82.00% 83.00% 81.00% 83.00%