v3.26.1
Revenues - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jul. 31, 2026
Jul. 31, 2025
Jul. 31, 2026
Jul. 31, 2025
Jan. 31, 2026
Disaggregation of Revenue [Line Items]          
Deferred revenue $ 595.8   $ 595.8   $ 656.7
Deferred revenue, revenue recognized out of beginning balance 262.8 $ 244.6 448.7 $ 409.6  
Remaining performance obligation, revenue expected to be recognized $ 1,700.0   $ 1,700.0    
Geographic Concentration Risk | Revenue | United States          
Disaggregation of Revenue [Line Items]          
Concentration Risk, Percentage 63.00% 62.00% 63.00% 62.00%  
Geographic Concentration Risk | Revenue | Japan          
Disaggregation of Revenue [Line Items]          
Concentration Risk, Percentage 26.00% 26.00% 26.00% 25.00%