Segment Information - Revenues by Geographic Area (Detail) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Segment Reporting Information [Line Items]
Total revenues	$ 1,171,054	$ 1,126,460
U.S. Customers [Member]
Segment Reporting Information [Line Items]
Total revenues	815,333	776,495
Non U.S. Customers [Member]
Segment Reporting Information [Line Items]
Total revenues	$ 355,721	$ 349,965