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Deferred Revenue and Remaining Performance Obligations - Additional Information (Details) - USD ($)
$ in Millions
 6 Months Ended
Jul. 31, 2025
Jul. 31, 2024
Jan. 31, 2025
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]      
Total deferred revenue $ 89.0   $ 96.9
Total deferred revenue (as a percent) 62.00% 58.00%  
Remaining performance obligation $ 270.7    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2025-08-01      
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]      
Remaining performance obligation $ 160.3    
Revenue expected to be recognized from remaining performance obligations, period (in months) 12 months    
Minimum | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2025-08-01      
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]      
Revenue expected to be recognized from remaining performance obligations, period (in months) 13 months    
Maximum | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2025-08-01      
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]      
Revenue expected to be recognized from remaining performance obligations, period (in months) 36 months