The Company and a Summary of Its Significant Accounting Policies - Additional Information (Detail 1) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023	Oct. 01, 2022
Link-16 Tactical Data Link Business [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Disposal consideration				$ 1,960
Government Contracts Concentration Risk [Member] | Revenue Benchmark [Member] | U S Government As An Individual Customer [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Concentration risk, percentage	18.00%	17.00%	17.00%
Credit Concentration Risk [Member] | Accounts Receivable [Member] | U S Government As An Individual Customer [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Concentration risk, percentage	11.00%	13.00%
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Five Largest Customers [Member]
Company And Summary Of Significant Accounting Policies [Line Items]
Concentration risk, percentage	18.00%	16.00%	17.00%