v3.26.1
Pensions and Other Benefit Plans - Components of Net Periodic Pension Cost (Details) - Pension Plans - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Defined Benefit Plan Disclosure [Line Items]      
Service costs—benefits earned during the period $ 730 $ 477 $ 512
Interest cost on projected benefit obligation 7,653 9,783 13,548
Expected return on plan assets (5,076) (7,348) (11,459)
Net amortization (1,027) 484 360
Settlement 0 23,634 4,984
Net periodic pension cost (benefit) $ 2,280 $ 27,030 $ 7,945