v3.26.1
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%