v3.26.1
Property, Plant, and Equipment - Additional Information (Detail) - USD ($)
$ in Millions
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Property, Plant and Equipment [Abstract]      
Depreciation $ 11.5 $ 5.4 $ 5.7
Impairment of leasehold $ 1.8 $ 14.6 $ 0.0