Goodwill and Acquired Intangible Assets - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Amortization of acquired intangible assets		$ 227,165	$ 29,811	$ 28,729
Government Systems [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill increase (decrease)	$ (8,500)
Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Other acquired intangible assets estimated useful lives		2 years
Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Other acquired intangible assets estimated useful lives		20 years