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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, 2023 | Mar. 31, 2022 | Mar. 31, 2021
Condensed Cash Flow Statements, Captions [Line Items] |  |  |
Interest paid | $ 1,026 | $ 417 | $ 11
Income taxes paid | 185 | 2,012 | 200
Pension and other post retirement income (loss) adjustments, net of income tax | (500) | 728 | 1,774
Issuance of treasury stock to the Employee Stock Purchase Plan (See Note 12) | 279 | 9,167 | 222
Capital purchases recorded in accounts payable | 483 | 177 | 173
Issuance of treasury shares as part of the consideration of the acquisition | 0 | 8,964 |
Employee Stock Purchase Plan [Member] |  |  |
Condensed Cash Flow Statements, Captions [Line Items] |  |  |
Issuance of treasury stock to the Employee Stock Purchase Plan (See Note 12) | $ 279 | $ 204 | $ 222

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