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Revenue - Narrative (Details)
$ in Millions
3 Months Ended 9 Months Ended
Oct. 31, 2023
USD ($)
subsidiary
Oct. 31, 2022
Oct. 31, 2023
USD ($)
Oct. 31, 2022
USD ($)
Jan. 31, 2023
USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]          
Remaining performance obligations $ 2,000.0   $ 2,000.0    
Number of immaterial international subsidiaries included in RPO disclosure | subsidiary 2        
Contract assets $ 19.4   19.4   $ 12.4
Revenue recognized that was included in contract liability balance at the beginning of the period     $ 1,100.0 $ 951.2  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-11-01          
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]          
Remaining performance obligation, percentage 58.00%   58.00%    
Remaining performance obligations, period of recognition 12 months   12 months    
Product Concentration Risk | Revenue | Subscription          
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]          
Concentration risk percentage 97.00% 97.00% 97.00% 97.00%