v3.26.1
Shareholders' Equity (Tables)
 12 Months Ended
Mar. 31, 2026
Shareholders Equity [Abstract]  
Schedule of Accumulated Other Comprehensive Income (Loss)
The following table presents a summary of the changes in the components of the Group’s accumulated other comprehensive income (“AOCI”).
 
    
Unrealized
gains/
(losses) on
AFS debt
securities
     
Foreign
currency
translation
gains/
(losses)
     
Tax
(expense)/
benefit
     
Total
AOCI
  
     (In million)      (In million)      (In million)      (In million)  
Balance at April 1, 2023
   
$
(8.5
) 
   
$
(28.2
) 
   
$
3.6
 
   
$
(33.1
) 
Increase/(decrease)
      (36.9 )       10.9        8.6        (17.4 ) 
Reclassification adjustments, included in net income
      3.7        —         —         3.7  
  
 
 
     
 
 
     
 
 
     
 
 
  
Total increase/(decrease)
    $ (33.2 )     $ 10.9      $ 8.6      $ (13.7 ) 
  
 
 
     
 
 
     
 
 
     
 
 
  
Balance at March 31, 2024
   
$
(41.7
) 
   
$
(17.3
) 
   
$
12.2
 
   
$
(46.8
) 
  
 
 
     
 
 
     
 
 
     
 
 
  
Increase/(decrease)
      (22.5 )       20.8        (5.2 )       (6.9 ) 
Reclassification adjustments, included in net income
      42.5        —         —         42.5  
  
 
 
     
 
 
     
 
 
     
 
 
  
Total increase/(decrease)
    $ 20.0      $ 20.8      $ (5.2 )     $ 35.6  
  
 
 
     
 
 
     
 
 
     
 
 
  
Balance at March 31, 2025
   
$
(21.7
) 
   
$
3.5
 
   
$
7.0
 
   
$
(11.2
) 
  
 
 
     
 
 
     
 
 
     
 
 
  
Increase/(decrease)
      18.1        59.8        (2.6 )       75.3  
Reclassification adjustments, included in net income
      (7.6 )       —         —         (7.6 ) 
  
 
 
     
 
 
     
 
 
     
 
 
  
Total increase/(decrease)
    $ 10.5      $ 59.8      $ (2.6 )     $ 67.7  
  
 
 
     
 
 
     
 
 
     
 
 
  
Balance at March 31, 2026
   
$
(11.2
) 
   
$
63.3
 
   
$
4.4
 
   
$
56.5
 
  
 
 
     
 
 
     
 
 
     
 
 
  
Schedule Of Tax Effects Allocated To Each Components Of Other Comprehensive Income Loss
Amounts reclassified from AOCI and the affected line items in the statements of income during the years ended March 31, 2026, 2025 and 2024, were as follows:
 
    
Amount Reclassified from AOCI
     
Affected Line
Item in

the Statement of

Comprehensive
Income
  
    
2026
     
2025
     
2024
  
     (In million)      (In million)      (In million)         
Unrealized gains/(losses) on
available-for-sale
securities
    $ 7.6      $ (42.5 )     $ (3.7 )      
 Other income/
(loss), net
 
     7.6        (42.5 )       (3.7 )       Income before tax  
     —         —         —        
 Income tax
expense/(benefit)		  
 
Total reclassification out of AOCI
   
$
7.6
 
   
$
(42.5
) 
   
$
(3.7
)