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Discontinued Operations - Depreciation, Amortization, Capital Expenditures, and Significant Operating and Investing Noncash Items of the Discontinued Operations (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Nov. 30, 2022 | Aug. 31, 2022 | Nov. 30, 2023 | Nov. 30, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Loss on disposal of discontinued operations, net of tax | $ (45,010) |  |  | $ (159,910)
Gain on sale of property, plant and equipment |  |  | $ 39 | 1,381
Discontinued Operations, Disposed of by Sale | AZZ Infrastructure Solutions |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Amortization and depreciation |  |  |  | 7,279
Purchase of property, plant and equipment |  |  |  | 4,831
Loss on disposal of discontinued operations, net of tax | $ (45,010) | $ (114,900) |  | (159,910)
Gain on sale of property, plant and equipment |  |  |  | $ 486

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