XML 198 R178.htm IDEA: XBRL DOCUMENT v3.22.2
Financial Instruments - Summary of Reconciliation Fair Value Measurements in Level 3 of Fair Value Hierarchy (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Mar. 31, 2020
Total gains and losses recognized in:      
Equity instruments at FVOCI - net change in fair value, net of tax $ 33,543 $ 1,825 $ (1,979)
Level 3 [Member]      
Disclosure Of Financial Instruments [Line Items]      
Opening balances 14,875    
Total gains and losses recognized in:      
Closing balances 10,075 14,875  
Opening balances 5,409    
Total gains and losses recognized in:      
Closing balances 3,864 5,409  
Level 3 [Member] | Other Liabilities Related to Business Combination [Member]      
Disclosure Of Financial Instruments [Line Items]      
Opening balances 14,875 14,921  
Total gains and losses recognized in:      
—profit or loss 1,181 (350)  
-effect of movements in foreign exchange rates (368) 304  
Closing balances 10,075 14,875 14,921
Total gains and losses recognized in:      
Payment during the period (refer note 7 (b)) (5,613)    
Level 3 [Member] | Other Investments Equity Securities FVOCI [Member]      
Total gains and losses recognized in:      
Opening balances 5,409 3,584  
Total gains and losses recognized in:      
Equity instruments at FVOCI - net change in fair value, net of tax 33,543 1,825  
Closing balances 452 $ 5,409 $ 3,584
Proceeds from sale of investment (refer note 9) (38,500)    
Level 3 [Member] | Other Investments Equity Securities FVTPL [Member]      
Disclosure Of Financial Instruments [Line Items]      
Acquired during the year (refer note 9) 3,412    
Total gains and losses recognized in:      
Closing balances $ 3,412