Acquisition - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2025	Dec. 31, 2024	Mar. 31, 2025
Business Acquisition [Line Items]
Preliminary estimated goodwill	$ 1,626,275		$ 1,626,275		$ 1,622,132
Total revenues	1,157,045	$ 1,123,767	3,468,992	$ 3,372,489
Net losses	(24,968)	$ 158,413	92,910	$ 328,909
Communication Services [Member]
Business Acquisition [Line Items]
Preliminary estimated goodwill	$ 1,585,687		$ 1,585,687		$ 1,582,083