v3.26.1
Income taxes - Summary of Income Taxes Paid by Jurisdiction (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Income Tax Disclosure [Abstract]    
Federal $ 160,629  
State and Local 27,455  
Foreign 8,074  
Total income taxes paid 196,158  
Income taxes, credit, net of transfer $ 130,100 $ 63,800