Segment Information - Revenues by Geographic Area (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2025	Dec. 31, 2024
Segment Reporting Information [Line Items]
Total revenues	$ 1,157,045	$ 1,123,767	$ 3,468,992	$ 3,372,489
U.S. Customers [Member]
Segment Reporting Information [Line Items]
Total revenues	777,695	774,383	2,372,690	2,327,663
Non U.S. Customers [Member]
Segment Reporting Information [Line Items]
Total revenues	$ 379,350	$ 349,384	$ 1,096,302	$ 1,044,826