v3.26.1
STOCKHOLDERS’ EQUITY - Narrative (Details)
$ / shares in Units, $ in Thousands
 6 Months Ended
Oct. 31, 2025
shares
Jul. 31, 2026
USD ($)
segment
vote
$ / shares
shares
Jul. 31, 2025
USD ($)
$ / shares
Jan. 31, 2026
shares
Class of Stock [Line Items]        
Common stock, capital shares reserved for future issuance (in shares) 2,070,000,000 95,633,967   91,406,527
Preferred stock, capital shares reserved for future issuance (in shares) 20,000,000      
Stock issued during period, shares, conversion of convertible securities (in shares) 146,599,125      
Options, grants in period, weighted average grant date fair value (in dollars per share) | $ / shares   $ 5.94 $ 13.56  
Exercises, aggregate intrinsic value | $   $ 76,941 $ 7,400  
Options, vested in period, fair value | $   39,800 $ 37,000  
Unrecognized compensation cost related to unvested stock options granted | $   $ 63,000    
Stock Option        
Class of Stock [Line Items]        
Common stock, capital shares reserved for future issuance (in shares)   31,865,065   39,283,485
Award vesting period (in years)   4 years    
Award expiration period (in years)   10 years    
Unrecognized compensation cost related to unvested stock options, weighted-average period (in years)   2 years    
Restricted Stock Units with Performance Conditions        
Class of Stock [Line Items]        
Unrecognized compensation cost related to unvested stock options, weighted-average period (in years)   3 years 6 months    
Award requisite service period (in years)   4 years    
Unrecognized compensation cost related to unvested RSUs | $   $ 328,600    
Common Class A and B        
Class of Stock [Line Items]        
Common stock, capital shares reserved for future issuance (in shares) 2,050,000,000      
Class A Common Stock        
Class of Stock [Line Items]        
Common stock, capital shares reserved for future issuance (in shares) 2,000,000,000      
Common stock, number of votes | vote   1    
Class A Common Stock | Common Stock        
Class of Stock [Line Items]        
Conversion of Class A to Class B common stock (in shares) 15,304,696      
Class B Common Stock        
Class of Stock [Line Items]        
Common stock, capital shares reserved for future issuance (in shares) 50,000,000      
Common stock, number of votes | segment   30