v3.26.1
Capital and Reserves - Schedule of Share Capital and Share Premium (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Disclosure of classes of share capital [Line Items]      
Beginning balance $ 1,207,977 $ 1,116,418 $ 876,056
Shares issued during the year on exercise of share based awards 23,566 36,875 37,989
Repurchase of own shares 91,729 21,722  
Ending balance (58,461) 1,207,977 1,116,418
Share Capital [Member]      
Disclosure of classes of share capital [Line Items]      
Beginning balance 56 55 53
Ending balance 48 56 55
Share Premium [Member]      
Disclosure of classes of share capital [Line Items]      
Beginning balance 2,203,445 2,161,217 2,057,362
Ending balance $ 2,714,138 $ 2,203,445 $ 2,161,217
Ordinary shares [member]      
Disclosure of classes of share capital [Line Items]      
Beginning balance 71,358,500 70,114,575  
Shares issued during the year on exercise of share based awards 454,472 1,479,937  
Ending balance 88,762,972 71,358,500 70,114,575
Issue of ordinary shares 18,400,000    
Treasury shares acquired (1,450,000) (236,012)  
Ordinary shares [member] | Share Capital [Member]      
Disclosure of classes of share capital [Line Items]      
Beginning balance $ 36 $ 35  
Shares issued during the year on exercise of share based awards   1  
Issue of ordinary shares 9    
Ending balance 45 36 $ 35
Ordinary shares [member] | Share Premium [Member]      
Disclosure of classes of share capital [Line Items]      
Beginning balance 985,525 943,297  
Shares issued during the year on exercise of share based awards 13,637 42,228  
Issue of ordinary shares 1,621,010    
Ending balance $ 2,620,172 $ 985,525 $ 943,297
Class B Shares [Member]      
Disclosure of classes of share capital [Line Items]      
Beginning balance 39,667,911 39,667,911  
Ending balance 5,295,690 39,667,911 39,667,911
Repurchase of own shares (34,372,221)    
Class B Shares [Member] | Share Capital [Member]      
Disclosure of classes of share capital [Line Items]      
Beginning balance $ 20 $ 20  
Repurchase of own shares (17)    
Ending balance 3 20 $ 20
Class B Shares [Member] | Share Premium [Member]      
Disclosure of classes of share capital [Line Items]      
Beginning balance 1,217,920 1,217,920  
Repurchase of own shares (1,123,954)    
Ending balance $ 93,966 $ 1,217,920 $ 1,217,920