v3.26.1
Revenue - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended
Apr. 30, 2026
Apr. 30, 2025
Jan. 31, 2026
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]      
Deferred revenue $ 432,300   $ 470,700
Percent of revenue recognized from deferred revenue 21.00% 24.00%  
Remaining performance obligation $ 1,458,600    
Unbilled contracts receivable 25,500   19,800
Deferred commissions 360,900   373,200
Noncurrent capitalized contract cost 231,000   $ 241,700
Amortization of deferred commissions 35,000 $ 31,200  
Impairment loss $ 0 $ 0  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-05-01      
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]      
Remaining performance obligation, percentage 53.00%    
Expected timing of satisfaction of remaining performance obligation 12 months    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-05-01      
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]      
Remaining performance obligation, percentage 46.00%    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-05-01 | Minimum      
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]      
Expected timing of satisfaction of remaining performance obligation 13 months    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-05-01 | Maximum      
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]      
Expected timing of satisfaction of remaining performance obligation 36 months