v3.26.1
Finance Income and Costs - Schedule of Finance Income and Costs (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Disclosure Of Finance Income Expense [Abstract]      
Interest income on term deposits measured at amortised cost $ 26,487 $ 26,837 $ 23,594
Change in fair value of financial asset measured at FVTPL     57
Other interest income 662 1,419 714
Finance income 27,149 28,256 24,365
Interest expense on financial liabilities measured at amortised cost 90,403 15,240 15,966
Change in carrying value of financial liabilities measured at amortised cost (refer note 28) (30,578)   (30,578)
Change in fair value of financial liability measured at FVTPL 118   215
Change in fair value of financial asset measured at FVTPL 338 2  
Net foreign exchange loss 41,284 13,348 7,600
Impairment loss on trade and other receivables 845 1,168 837
Interest expense on lease liabilities 1,454 1,697 1,783
Finance and other charges 892 736 870
Finance costs 104,756 32,191 (3,307)
Net finance income (costs) $ (77,607) $ (3,935) $ 27,672