v3.26.1
Loans and Borrowings - Summary of Changes in Cash Flows from Financing Activities (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Disclosure Of Reconciliation Of Liabilities Arising From Financing Activities [Line Items]      
Beginning balance $ 236,037 $ 221,624 $ 235,164
Proceeds from bank loans 1,201 2,435 2,114
Repayment of bank loans (1,778) (1,455) (1,009)
Proceeds from issuance of convertible notes 1,437,500    
Convertible notes classified as equity (300,741)    
Direct cost incurred in relation to convertible notes (excluding equity component) (18,150)    
Repurchase of convertible notes (4,045)    
Acquired through business combination   22 115
Additions to lease liabilities 2,849 2,958 3,540
Adjustment due to modification/change in estimate (31,191) (123) (30,604)
Payment of lease liabilites (4,688) (3,763) (3,105)
Interest accrued 91,857 16,937 17,749
Interest paid (1,754) (2,102) (2,049)
Effect of change in foreign exchange rates (1,498) (496) (291)
Ending balance 1,405,599 236,037 221,624
Secured Bank Loans [Member]      
Disclosure Of Reconciliation Of Liabilities Arising From Financing Activities [Line Items]      
Beginning balance 4,603 3,726 2,667
Proceeds from bank loans 1,201 2,435 2,114
Repayment of bank loans (1,778) (1,455) (1,009)
Interest accrued 300 405 266
Interest paid (300) (405) (266)
Effect of change in foreign exchange rates (377) (103) (46)
Ending balance 3,649 4,603 3,726
Lease Liabilities [Member]      
Disclosure Of Reconciliation Of Liabilities Arising From Financing Activities [Line Items]      
Beginning balance 15,359 16,658 16,379
Acquired through business combination   22 115
Additions to lease liabilities 2,849 2,958 3,540
Adjustment due to modification/change in estimate (613) (123) (26)
Payment of lease liabilites (4,688) (3,763) (3,105)
Interest accrued 1,454 1,697 1,783
Interest paid (1,454) (1,697) (1,783)
Effect of change in foreign exchange rates (1,121) (393) (245)
Ending balance 11,786 15,359 16,658
Convertible Notes [Member]      
Disclosure Of Reconciliation Of Liabilities Arising From Financing Activities [Line Items]      
Beginning balance 216,075 201,240 216,118
Proceeds from issuance of convertible notes 1,437,500    
Convertible notes classified as equity (300,741)    
Direct cost incurred in relation to convertible notes (excluding equity component) (18,150)    
Repurchase of convertible notes (4,045)    
Adjustment due to modification/change in estimate (30,578)   (30,578)
Interest accrued 90,103 14,835 15,700
Ending balance $ 1,390,164 $ 216,075 $ 201,240