Pensions and Other Benefit Plans - Defined Benefit Plans’ Consolidated Assets by Asset Category (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Mar. 31, 2024
Defined Benefit Plan Disclosure [Line Items]
Asset categories	$ 94,240	$ 199,592
Measured at NAV
Defined Benefit Plan Disclosure [Line Items]
Asset categories	0	98,117
(Level 1)
Defined Benefit Plan Disclosure [Line Items]
Asset categories	94,240	101,475
(Level 2)
Defined Benefit Plan Disclosure [Line Items]
Asset categories	0	0
(Level 3)
Defined Benefit Plan Disclosure [Line Items]
Asset categories	0	0
Equity securities
Defined Benefit Plan Disclosure [Line Items]
Asset categories	10,735	15,266
Equity securities | Measured at NAV
Defined Benefit Plan Disclosure [Line Items]
Asset categories	0	0
Equity securities | (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Asset categories	10,735	15,266
Equity securities | (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Asset categories	0	0
Equity securities | (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Asset categories	0	0
Fixed income securities
Defined Benefit Plan Disclosure [Line Items]
Asset categories	83,216	81,890
Fixed income securities | Measured at NAV
Defined Benefit Plan Disclosure [Line Items]
Asset categories	0	0
Fixed income securities | (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Asset categories	83,216	81,890
Fixed income securities | (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Asset categories	0	0
Fixed income securities | (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Asset categories	0	0
Common collective trusts
Defined Benefit Plan Disclosure [Line Items]
Asset categories	0	98,117
Common collective trusts | Measured at NAV
Defined Benefit Plan Disclosure [Line Items]
Asset categories		98,117
Common collective trusts | (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Asset categories		0
Common collective trusts | (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Asset categories		0
Common collective trusts | (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Asset categories		0
Cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Asset categories	289	4,319
Cash equivalents | Measured at NAV
Defined Benefit Plan Disclosure [Line Items]
Asset categories	0	0
Cash equivalents | (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Asset categories	289	4,319
Cash equivalents | (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Asset categories	0	0
Cash equivalents | (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Asset categories	$ 0	$ 0