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Schedule II - Valuation and Qualifying Accounts | 12 Months Ended
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Mar. 31, 2025
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] |
Schedule II - Valuation and Qualifying Accounts | GRAHAM CORPORATION AND SUBSIDIARIES SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (In Thousands)
|  | Balance at |  |  | Charged to |  |  | Charged to |  |  |  |  |  | Balance at |
|  | Beginning |  |  | Costs and |  |  | Other |  |  |  |  |  | End of |
Description |  | of Period |  |  | Expenses |  |  | Accounts |  |  | Deductions |  |  | Period |
Year ended March 31, 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reserves deducted from the asset to which they apply: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reserve for doubtful accounts receivable |  | $ | 79 |  |  | $ | 886 |  |  | $ | — |  |  | $ | (335 | ) |  | $ | 630 |
Product warranty liability |  | $ | 806 |  |  | $ | 326 |  |  | $ | — |  |  | $ | (346 | ) |  | $ | 786 |
Year ended March 31, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reserves deducted from the asset to which they apply: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reserve for doubtful accounts receivable |  | $ | 1,841 |  |  | $ | 587 |  |  | $ | — |  |  | $ | (2,349 | ) |  | $ | 79 |
Product warranty liability |  | $ | 578 |  |  | $ | 410 |  |  | $ | — |  |  | $ | (182 | ) |  | $ | 806 |
Year ended March 31, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reserves deducted from the asset to which they apply: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reserve for doubtful accounts receivable |  | $ | 87 |  |  | $ | 1,765 |  |  | $ | — |  |  | $ | (11 | ) |  | $ | 1,841 |
Reserves included in the balance sheet caption "accrued expenses" |  | $ | 760 |  |  | $ | — |  |  | $ | — |  |  | $ | (760 | ) |  | $ | — |
Product warranty liability |  | $ | 441 |  |  | $ | 364 |  |  | $ | — |  |  | $ | (227 | ) |  | $ | 578 |

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- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 -Publisher SEC Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-4 + Details
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- References No definition available. + Details
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