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Investments in Unconsolidated Entity - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Aug. 31, 2024 | Aug. 31, 2023 | Aug. 31, 2024 | Aug. 31, 2023 | Feb. 29, 2024 | Sep. 30, 2022
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Equity in earnings of unconsolidated subsidiaries | $ (1,478) | $ (974) | $ (5,302) | $ (2,394) |  |
AIS Joint Venture |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Ownership percentage of investment | 40.00% |  | 40.00% |  |  | 40.00%
Investment in joint venture | $ 97,768 |  | $ 97,768 |  | $ 98,169 |
Excess of equity method investment from carrying amount | $ 10,200 |  | 10,200 |  |  |
AIS Joint Venture | AZZ Infrastructure Solutions |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Equity in earnings of unconsolidated subsidiaries |  |  | $ 5,300 |  |  |
AIS Joint Venture | AZZ Infrastructure Solutions | Discontinued Operations, Disposed of by Sale |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Investment in joint venture |  |  |  |  |  | $ 97,800

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