Financial Instruments - Sensitivity Analysis of Exchange Rate (Detail) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
|
| 10% strengthening of USD against INR [Member] | ||
| Disclosure of foreign exchange rates [Line Items] | ||
| Effect of exchange rate changes | $ (19,686) | $ (21,545) |
| 10% strengthening of AED against INR [Member] | ||
| Disclosure of foreign exchange rates [Line Items] | ||
| Effect of exchange rate changes | 3,896 | 3,950 |
| 10% strengthening of INR against AED [Member] | ||
| Disclosure of foreign exchange rates [Line Items] | ||
| Effect of exchange rate changes | $ 8,039 | $ 8,245 |