v3.26.1
Business Segments - Financial Information Related to Operations by Segment (Parenthetical) (Detail) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Segment Reporting Information [Line Items]      
Depreciation, Depletion, and Amortization $ 164,746 $ 158,902 $ 149,832
Corporate Assets [Member]      
Segment Reporting Information [Line Items]      
Depreciation, Depletion, and Amortization $ 5,107 $ 3,249 $ 3,117