Basis of Presentation - Additional Information (Detail 2) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Mar. 31, 2025
Company And Summary Of Significant Accounting Policies [Line Items]
Insurance recovery proceeds	$ 10,000	$ 79,500
Capitalized costs, net, related to software developed for resale	793,800		$ 780,300
Capitalized cost related to software development for resale	23,500	18,800
Amortization expense of capitalized software development costs	14,900	14,300
Capitalized Computer Software, Accumulated Amortization	529,000		515,800
Gross capitalized implementation costs incurred in cloud computing arrangements	98,900		88,700
Accumulated amortization related to capitalized implementation costs incurred in cloud computing arrangements	21,000		$ 18,400
Amortization of capitalized implementation costs incurred in cloud computing arrangements	$ 2,600	$ 1,500
Maximum [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Estimated useful life, years	12 years
Computer Software, Intangible Asset [Member] | Maximum [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Estimated useful life, years	5 years
Funded Research and Development from Customer Contracts [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Percentage of revenue	11.00%	12.00%
U.S. Government as an Individual Customer [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Percentage of revenue	15.00%	16.00%