v3.26.1
Stockholders' equity (Details) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 3 Months Ended
Apr. 30, 2026
Mar. 31, 2026
Mar. 31, 2025
Feb. 03, 2026
Apr. 30, 2025
May 01, 2024
Equity, Class of Treasury Stock [Line Items]            
Stock repurchase program, authorized amount         $ 350.0 $ 250.0
Additional shares authorized       $ 500.0    
Stock repurchased and retired during period (in shares)   2,291,215 1,962,023      
Stock acquired, average cost per share (in usd per share)   $ 40.66 $ 33.38      
Stock repurchase program, remaining authorized repurchase amount   $ 467.9        
Subsequent Event            
Equity, Class of Treasury Stock [Line Items]            
Stock repurchased and retired during period (in shares) 700,434          
Stock acquired, average cost per share (in usd per share) $ 42.56