Earnings Per Share - Additional information (Detail) - shares |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
|
| Earnings per share [line items] | |||
| Ordinary shares issuable on conversion of convertible notes excluded from the diluted weighted average number of ordinary shares calculation | 5,934,810 | 5,934,810 | |
| Employees share based awards were excluded from the diluted weighted average number of ordinary shares calculation | 1,772,472 | 1,945,409 | 1,206,485 |
| Conversion of convertible notes due 2028 [member] | |||
| Earnings per share [line items] | |||
| Ordinary shares issuable on conversion of convertible notes excluded from the diluted weighted average number of ordinary shares calculation | 5,934,810 | ||
| Conversion of convertible notes due 2030 [member] | |||
| Earnings per share [line items] | |||
| Ordinary shares issuable on conversion of convertible notes excluded from the diluted weighted average number of ordinary shares calculation | 9,160,437 | ||