v3.25.2
Income Tax Benefit (Expense) - Schedule of Income Tax Recognized in Other Comprehensive Income (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2023
Income tax relating to components of other comprehensive income [abstract]      
Foreign currency translation differences on foreign operations, before tax $ (20,898) $ (9,862) $ (48,879)
Equity instruments at FVOCI - net change in fair value, before tax (452) 0 0
Remeasurement of defined benefit liability, before tax (839) (1,212) 468
Total (22,189) (11,074) (48,411)
Foreign currency translation differences on foreign operations, tax (expense) benefit 0 0 0
Equity instruments at FVOCI - net change in fair value, tax (expense) benefit 0 0 0
Remeasurement of defined benefit liability, tax (expense) benefit 197 248 0
Total 197 248 0
Foreign currency translation differences on foreign operations, net of tax (20,898) (9,862) (48,879)
Equity instruments at FVOCI - net change in fair value, net of tax (452) 0 0
Remeasurements of defined benefit liability (642) (964) 468
Other comprehensive loss for the year, net of tax $ (21,992) $ (10,826) $ (48,411)