Segment Information - Revenues by Geographic Area (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Segment Reporting Information [Line Items]
Total revenues	$ 656,683	$ 609,157	$ 1,228,117	$ 1,179,937
U.S. Customers [Member]
Segment Reporting Information [Line Items]
Total revenues	557,457	508,944	1,037,485	998,193
Non U.S. Customers [Member]
Segment Reporting Information [Line Items]
Total revenues	$ 99,226	$ 100,213	$ 190,632	$ 181,744