Revenue Recognition - Schedule of Disaggregated Revenue by Major Business Line and Geographic Location (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Disaggregation of Revenue [Line Items]
Total revenue	$ 265,921	$ 248,142	$ 543,070	$ 500,727
United States [Member]
Disaggregation of Revenue [Line Items]
Total revenue	218,943	200,485	445,462	407,627
Europe [Member]
Disaggregation of Revenue [Line Items]
Total revenue	30,269	32,527	64,105	64,764
Japan [Member]
Disaggregation of Revenue [Line Items]
Total revenue	12,467	12,267	25,702	23,552
Rest of world [member]
Disaggregation of Revenue [Line Items]
Total revenue	4,242	2,863	7,801	4,784
Outside the U.S. [Member]
Disaggregation of Revenue [Line Items]
Total revenue	46,978	47,657	97,608	93,100
Product [member]
Disaggregation of Revenue [Line Items]
Total revenue	253,246	235,785	517,717	477,259
Service and Other
Disaggregation of Revenue [Line Items]
Total revenue	$ 12,675	$ 12,357	$ 25,353	$ 23,468