Quarterly report [Sections 13 or 15(d)]

Stockholders' Equity (Details)

v3.25.2
Stockholders' Equity (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Aug. 07, 2025
Jul. 31, 2025
Jul. 31, 2024
Jul. 31, 2025
Jul. 31, 2024
Jun. 04, 2025
Jun. 03, 2024
Mar. 26, 2024
Jan. 04, 2024
Class of Stock [Line Items]                  
Stock repurchase program, authorized amount   $ 300.0   $ 300.0   $ 150.0 $ 100.0 $ 100.0 $ 100.0
Stock repurchase program, authorized remaining repurchase amount     $ 300.0   $ 300.0        
Excise tax accrued   1.0 $ 1.5 1.0 $ 2.1        
Common Class A                  
Class of Stock [Line Items]                  
Stock repurchase program, authorized remaining repurchase amount   $ 9.9   $ 9.9          
Common stock repurchased and retired, (in shares)   16,494,694 17,119,411 16,494,694 25,460,052        
Stock repurchases during period   $ 140.4 $ 169.8 $ 140.4 $ 271.0        
Common Class A | Subsequent Event                  
Class of Stock [Line Items]                  
Common stock repurchased and retired, (in shares) 1,121,854                
Stock repurchases during period $ 9.9