v3.26.1
Income Tax Benefit (Expense) - Schedule of Reconciliation of Effective Tax (Detail) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2023
Reconciliation of accounting profit multiplied by applicable tax rates [abstract]        
Profit for the year $ 51,670 $ 95,274 $ 216,743  
Less: Income tax benefit (expense) (26,696) (20,616) 123,805 $ (26,696)
Profit before tax 78,366 115,890 92,938  
Income tax expense using the Company's domestic tax rate (13,322) (19,701) (13,981)  
Effect of tax rates in foreign jurisdictions (12,016) (11,954) (9,608)  
Non deductible expenses (721) (412) (420)  
Tax exempt income 251 78 62  
Change in estimates related to previous years (40) (678) (482)  
Utilization of previously unrecognised tax losses 884 6,540 533  
Impact of change in tax laws   (575)    
Change in unrecognised temporary differences 236 (325) 4  
Current year losses for which no deferred tax asset was recognized (2,145) (2,834) (1,389)  
Recognition of previously unrecognized tax losses 591 10,224 118,253  
Recognition of previously unrecognised temporary differences     33,057  
Others (414) (979) (2,224)  
Total $ (26,696) $ (20,616) $ 123,805 $ (26,696)