v3.26.1
Income taxes - Summary of Income before Income Tax, Domestic and Foreign (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Income Tax Disclosure [Abstract]      
Domestic $ 634,828 $ 620,166 $ 576,009
Foreign 78,998 27,850 31,988
Income before income taxes $ 713,826 $ 648,016 $ 607,997