v3.26.1
Income Taxes - Narrative (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2023
Income Tax Contingency [Line Items]        
Provision for income taxes $ 1,878 $ 3,149 $ 3,642  
Undistributed earnings of foreign subsidiaries 10,500 1,300 2,600  
Deferred tax assets, valuation allowance 373,937 368,773    
Operating loss carryforwards 994,700      
Operating loss carryforwards, subject to expiration 307,600      
Operating loss carryforward, indefinitely 687,100      
Unrecognized tax benefits 10,165 10,074 10,811 $ 10,113
Accrued penalties and interest 100 0    
Income taxes paid, net 2,400 $ 3,800 $ 6,000  
Domestic        
Income Tax Contingency [Line Items]        
Research tax credit carryforwards 15,600      
State and local        
Income Tax Contingency [Line Items]        
Operating loss carryforwards 885,500      
Research tax credit carryforwards $ 25,100