Share-Based Compensation (Stock Based Compensation Information) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
|
| Share-Based Payment Arrangement [Abstract] | |||
| Pre-tax share-based compensation costs charged against income | $ 10,835 | $ 11,157 | $ 14,010 |
| Income tax benefit recognized on compensation costs | 1,212 | 1,267 | 1,190 |
| Total fair value of options and RSUs vested during the period | 10,744 | 12,185 | 12,213 |
| Cash received from the exercise of stock options | 4,285 | 14,802 | 18,089 |
| Tax benefits realized from tax deductions resulting from RSU issuances and stock option exercises | $ 1,074 | $ 2,273 | $ 2,161 |