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Accumulated Other Comprehensive Loss - Narrative (Details) - USD ($) | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Mar. 31, 2025 | Mar. 31, 2011 | Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2005
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |
Deferred taxes related to adjustments included in AOCI | $ (6,530,121) |  | $ 636,000 | $ (6,371,000) |
Tax effect from pension plan | 201,000 |  |  |  |
Amount of charge in the minimum pension liability component of other comprehensive income |  |  |  |  | $ 406,000
Pension Plans |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |
Other comprehensive income (loss), net of tax | 7,251,000 | $ (7,605,000) |  |  |
Tax expense (benefit) from reclassification | (7,050,000) |  |  |  |
Pension Plans | Deferred Tax Asset Valuation Allowance in Fiscal 2011 |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |
Tax expense (benefit) from reclassification | (7,605,000) |  |  |  |
Pension Plans | Deferred Tax Asset Valuation Allowance in Fiscal 2005 |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |
Tax expense (benefit) from reclassification | (406,000) |  |  |  |
Defined Benefit Postretirement Life Insurance |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |
Other comprehensive income (loss), net of tax | $ 194,000 | (747,000) |  |  |
Postretirement Benefit Plans |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |
Other comprehensive income (loss), net of tax |  | $ (935,000) |  |  |

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