v3.26.3
Income Taxes - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Mar. 31, 2026
Income Tax Disclosure [Abstract]          
Provision for (benefit from) income taxes $ 40,786 $ 10,862 $ 63,897 $ 17,472  
Effective income tax rate (51.00%) (24.00%) (64.00%) (19.00%)  
Amount of diffrence between effective tax rate and U.S. statutory rate $ 29,000   $ 44,100    
Valuation allowance 510,000   510,000   $ 435,000
Increase (decrease) in gross unrecognized tax benefits 22,900   26,600    
Increase (decrease) in unrecognized tax benefits income tax penalties and interest expense 20,800   32,600    
Impact on effective tax rate 18,300   18,300    
Unrecognized tax benefits $ 253,800   $ 253,800