v3.26.1
Financial Instruments - Summary of Currency Risk (Detail) - USD ($)
$ in Thousands
Mar. 31, 2026
Mar. 31, 2025
Between USD and INR [Member]    
Disclosure of nature and extent of risks arising from financial instruments [Line Items]    
Net exposure to foreign currency risk $ (225,735) $ (196,864)
Between AED and INR [Member]    
Disclosure of nature and extent of risks arising from financial instruments [Line Items]    
Net exposure to foreign currency risk 18,647 38,960
Between INR and AED [Member]    
Disclosure of nature and extent of risks arising from financial instruments [Line Items]    
Net exposure to foreign currency risk 75,158 80,388
Trades and other receivables [Member] | Between USD and INR [Member]    
Disclosure of nature and extent of risks arising from financial instruments [Line Items]    
Net exposure to foreign currency risk 716 4,105
Trades and other receivables [Member] | Between AED and INR [Member]    
Disclosure of nature and extent of risks arising from financial instruments [Line Items]    
Net exposure to foreign currency risk 5,904 40,281
Trades and other receivables [Member] | Between INR and AED [Member]    
Disclosure of nature and extent of risks arising from financial instruments [Line Items]    
Net exposure to foreign currency risk 75,158 80,388
Trades and other payables [Member] | Between USD and INR [Member]    
Disclosure of nature and extent of risks arising from financial instruments [Line Items]    
Net exposure to foreign currency risk (226,582) (201,045)
Trades and other payables [Member] | Between AED and INR [Member]    
Disclosure of nature and extent of risks arising from financial instruments [Line Items]    
Net exposure to foreign currency risk (24,579) (1,341)
Cash and cash equivalents [Member] | Between USD and INR [Member]    
Disclosure of nature and extent of risks arising from financial instruments [Line Items]    
Net exposure to foreign currency risk 131 76
Cash and cash equivalents [Member] | Between AED and INR [Member]    
Disclosure of nature and extent of risks arising from financial instruments [Line Items]    
Net exposure to foreign currency risk $ 28 $ 20