v3.25.2
Property, Plant and Equipment - Schedule of Estimated Useful Lives of Assets (Detail)
12 Months Ended
Mar. 31, 2025
Buildings | Bottom of Range  
Disclosure Of Property Plant And Equipment [Line Items]  
Useful lives (in years) 22 years
Buildings | Top of Range  
Disclosure Of Property Plant And Equipment [Line Items]  
Useful lives (in years) 25 years
Plant and Machinery  
Disclosure Of Property Plant And Equipment [Line Items]  
Useful lives (in years) 5 years [1]
Computer Equipment | Bottom of Range  
Disclosure Of Property Plant And Equipment [Line Items]  
Useful lives (in years) 3 years
Computer Equipment | Top of Range  
Disclosure Of Property Plant And Equipment [Line Items]  
Useful lives (in years) 5 years
Furniture and Fixtures  
Disclosure Of Property Plant And Equipment [Line Items]  
Useful lives (in years) 5 years
Vehicles  
Disclosure Of Property Plant And Equipment [Line Items]  
Useful lives (in years) 5 years
Leasehold Improvements  
Disclosure Of Property Plant And Equipment [Line Items]  
Useful lives (in years) Lower of useful life of the asset or lease term
[1] Includes solar plant with a useful life of 25 years