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Revenues - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Oct. 31, 2025
Oct. 31, 2024
Oct. 31, 2025
Oct. 31, 2024
Jan. 31, 2025
Disaggregation of Revenue [Line Items]          
Deferred revenue recognized $ 193.4 $ 145.0 $ 372.2 $ 276.6  
Remaining performance obligation $ 1,000.0   $ 1,000.0    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-11-01          
Disaggregation of Revenue [Line Items]          
Remaining performance obligation, next twelve months (as a percent) 64.00%   64.00%    
Remaining performance obligation, next twenty four months (as a percent) 89.00%   89.00%    
Accounts Receivable | Credit Concentration Risk | Distribution Channel Two          
Disaggregation of Revenue [Line Items]          
Concentration risk, percentage     12.00%   12.00%
Accounts Receivable | Credit Concentration Risk | Distribution Channel One          
Disaggregation of Revenue [Line Items]          
Concentration risk, percentage     18.00%   11.00%