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Other Contingent Liabilities And Other Matters (Narrative) (Details) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Mar. 31, 2024
Other Contingent Liabilities and Other Matters [Line Items] |  |  |
Other contingent liabilities | $ 1,000 |  |
Net provision for losses (recoveries) on advances to suppliers | (445) | $ 9,950 |
Stock repurchase program authorized amount | 100,000 |  |
Stock repurchase program remaining authorized repurchase amount | 100,000 |  |
Advances to suppliers [Member] |  |  |
Other Contingent Liabilities and Other Matters [Line Items] |  |  |
Advances to suppliers current and non-current | 172,000 | 186,000 | $ 162,000
Valuation allowances | 15,000 | 25,000 | 20,000
Net provision for losses (recoveries) on advances to suppliers | (400) | 10,000 |
Recoverable value added tax credits [Member] |  |  |
Other Contingent Liabilities and Other Matters [Line Items] |  |  |
Aggregate balance of recoverable value added tax credits | 62,000 | 63,000 | 72,000
Valuation allowances | 21,000 | $ 21,000 | $ 21,000
Parana [Member] |  |  |
Other Contingent Liabilities and Other Matters [Line Items] |  |  |
Brazil audit assessment for tax, penalties, and interest on recoverable value added tax credits | 9,000 |  |
Reduced Brazil audit assessment for tax, penalties, and interest on recoverable value added tax credits | 2,000 |  |
Loss contingency amount accrued | 0 |  |
Parana [Member] | Minimum [Member] |  |  |
Other Contingent Liabilities and Other Matters [Line Items] |  |  |
Estimate of possible loss on remaining VAT audit assessment | 0 |  |
Parana [Member] | Maximum [Member] |  |  |
Other Contingent Liabilities and Other Matters [Line Items] |  |  |
Estimate of possible loss on remaining VAT audit assessment | $ 2,000 |  |

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