The Company and a Summary of Its Significant Accounting Policies - Additional Information (Detail 6) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
|
| Company And Summary Of Significant Accounting Policies [Line Items] | |||
| Increase (decrease) in unbilled accounts receivable | $ 47.0 | ||
| Collections in excess of revenues and deferred revenues, recognized revenue | $ 270.8 | $ 238.6 | |
| Funded Research and Development from Customer Contracts [Member] | |||
| Company And Summary Of Significant Accounting Policies [Line Items] | |||
| Percentage of revenue | 11.00% | 11.00% | 12.00% |
| U.S. Government as an Individual Customer [Member] | |||
| Company And Summary Of Significant Accounting Policies [Line Items] | |||
| Percentage of revenue | 16.00% | 18.00% | 17.00% |