Segment Information - Revenues by Geographic Area (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Segment Reporting Information [Line Items]
Total revenues	$ 1,225,415	$ 663,559	$ 2,005,206	$ 1,238,615
U.S. Customers [Member]
Segment Reporting Information [Line Items]
Total revenues	877,421	564,287	1,470,583	1,047,833
Non U.S. Customers [Member]
Segment Reporting Information [Line Items]
Total revenues	$ 347,994	$ 99,272	$ 534,623	$ 190,782