Accumulated Other Comprehensive Loss - Narrative (Details) - USD ($) $ in Thousands |
12 Months Ended | ||||
|---|---|---|---|---|---|
Mar. 31, 2024 |
Mar. 31, 2011 |
Mar. 31, 2023 |
Mar. 31, 2022 |
Mar. 31, 2005 |
|
| Accumulated Other Comprehensive Income (Loss) [Line Items] | |||||
| Deferred taxes related to adjustments included in AOCI | $ 636 | $ (6,371) | $ (5,780) | ||
| Amount of charge in the minimum pension liability component of other comprehensive income | $ 406 | ||||
| Pension Plans | |||||
| Accumulated Other Comprehensive Income (Loss) [Line Items] | |||||
| Other comprehensive income (loss), net of tax | (7,251) | $ 7,605 | |||
| Defined Benefit Postretirement Life Insurance | |||||
| Accumulated Other Comprehensive Income (Loss) [Line Items] | |||||
| Other comprehensive income (loss), net of tax | $ (194) | 747 | |||
| Postretirement Benefit Plans | |||||
| Accumulated Other Comprehensive Income (Loss) [Line Items] | |||||
| Other comprehensive income (loss), net of tax | $ 935 | ||||