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The Company and a Summary of Its Significant Accounting Policies - Additional Information (Detail 5) $ in Thousands | 12 Months Ended
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Mar. 31, 2024 USD ($) Segment | Mar. 31, 2023 USD ($) | Mar. 31, 2022 USD ($)
Company And Summary Of Significant Accounting Policies [Line Items] |  |  |
Foreign currency translation adjustments, net of tax | $ 2,982 | $ (13,092) | $ (31,424)
Other comprehensive income (loss) related to effects of foreign currency translation adjustments before tax |  |  | $ 37,300
Remaining performance obligations | $ 3,700,000 |  |
Number of reportable segments | Segment | 3 |  |
Unfavorable Regulatory Action [Member] |  |  |
Company And Summary Of Significant Accounting Policies [Line Items] |  |  |
U.S. government contract-related reserves | $ 16,600 | $ 12,900 |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2024-04-01 |  |  |
Company And Summary Of Significant Accounting Policies [Line Items] |  |  |
Revenue, remaining performance obligation, expected timing of satisfaction, explanation | Company expects to recognize a little less than half over the next 12 months, with the balance recognized thereafter |  |

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