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The Company and a Summary of Its Significant Accounting Policies - Additional Information (Detail 1) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2022 | Oct. 01, 2022 | Apr. 30, 2021
Company And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Deposits required by certain counterparties as collateral pursuant to outstanding letters of credits | $ 0 | $ 30,532 |  |  |
Link-16 Tactical Data Link Business [Member] |  |  |  |  |
Company And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Disposal consideration |  |  |  | $ 1,960,000 |
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 | 17.00% | 17.00% | 18.00% |  |
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 | 13.00% | 21.00% |  |  |
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Five Largest Customers [Member] |  |  |  |  |
Company And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Concentration risk, percentage | 16.00% | 17.00% | 17.00% |  |
Letter of Credit [Member] |  |  |  |  |
Company And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Deposits required by certain counterparties as collateral pursuant to outstanding letters of credits | $ 0 | $ 30,500 |  |  |
Euro Broadband Infrastructure Sarl Step Acquisition [Member] |  |  |  |  |
Company And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Percentage of additional interest purchased in subsidiary acquired |  |  |  |  | 51.00%

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