v3.26.3
Segment Information - Revenues by Geographic Area (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Segment Reporting Information [Line Items]        
Total revenues $ 1,179,996 $ 1,140,893 $ 2,336,539 $ 2,311,947
U.S. Customers [Member]        
Segment Reporting Information [Line Items]        
Total revenues 799,153 779,662 1,587,576 1,594,995
Non U.S. Customers [Member]        
Segment Reporting Information [Line Items]        
Total revenues $ 380,843 $ 361,231 $ 748,963 $ 716,952