v3.26.1
Income Taxes - Effective Income Tax Rate Reconciliation (Details)
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Income Tax Disclosure [Abstract]      
Tax at national statutory rate 12.50% 12.50% 12.50%
Effective Tax Rate Reconciliation, Increase (decrease) in Valuation Allowances   (0.10%) 0.00%
State and local taxes, net   2.80% 2.20%
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent   0.70% 0.90%
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Percent   (0.60%) (0.70%)
Effective Income Tax Rate Reconciliation, Tax Credits, Foreign   (0.70%) (0.90%)
Statutory rate differential   9.90% 8.50%
Effective Tax Rate Reconciliation, UK Tax Rate Differential   (0.30%) 0.10%
Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-based Payment Arrangement, Percent   (0.80%) (0.70%)
Effective Tax Reconciliation, deferred tax assets and liabilities   0.00% (0.30%)
U.S. tax reform impact GILTI and FDII   (0.30%) (0.20%)
Other 0.20% 0.10% (0.10%)
Effective Income Tax Rate, Continuing Operations 25.00% 23.20% 21.30%