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Pension And Other Postretirement Benefit Plans (Funded Status In Consolidated Balance Sheets) (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Mar. 31, 2022
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Defined Benefit Plan Disclosure [Line Items] |  |
Noncurrent assets (included in Pension asset) | $ 9,984 | $ 12,667
Noncurrent liability (reported as Pensions and other postretirement benefits) | (42,769) | (52,890)
Pension Benefits [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Noncurrent assets (included in Pension asset) | 9,984 | 12,667
Current liability (included in Accrued expenses) | (3,352) | (1,135)
Noncurrent liability (reported as Pensions and other postretirement benefits) | (26,078) | (32,569)
Amounts recognized in the consolidated balance sheets | (19,446) | (21,037)
Other Postretirement Benefits [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Noncurrent assets (included in Pension asset) | 0 | 0
Current liability (included in Accrued expenses) | (1,768) | (1,930)
Noncurrent liability (reported as Pensions and other postretirement benefits) | (16,691) | (20,321)
Amounts recognized in the consolidated balance sheets | $ (18,459) | $ (22,251)

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