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The Company and Its Accounting Policies - Schedule Of Non-Cash Investing and Financing Activities (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2023
Condensed Cash Flow Statements, Captions [Line Items] |  |  |
Interest paid | $ 298 | $ 823 | $ 1,026
Income taxes paid | 3,982 | 425 | 185
Pension and other post retirement income (loss) adjustments, net of income tax | 105 | 694 | (500)
Issuance of treasury stock to the Employee Stock Purchase Plan (See Note 13) |  |  | 279
Capital purchases recorded in accounts payable | 3,951 | 620 | 483
Issuance of treasury shares as part of the consideration of the acquisition | 0 | 1,930 | 0
Employee Stock Purchase Plan [Member] |  |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |  |
Issuance of treasury stock to the Employee Stock Purchase Plan (See Note 13) | $ 0 | $ 0 | $ 279

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