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v3.23.1

Investments in Unconsolidated Entity - Narrative (Details) $ in Thousands | 12 Months Ended |
--- | --- | ---
Feb. 28, 2023 USD ($) | Feb. 28, 2022 USD ($) | Feb. 28, 2021 USD ($) | Sep. 30, 2022 USD ($)
Schedule of Equity Method Investments [Line Items] |  |  |  |
Investment in joint venture | $ 84,800 |  |  |
Period of amortization (in years) | 7 years |  |  |
Equity in (earnings) loss of unconsolidated subsidiaries | $ (2,597) | $ 0 | $ 0 |
AIS Joint Venture |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Ownership percentage of investment |  |  |  | 40.00%
Investment in joint venture | 84,760 | $ 0 |  |
Excess of equity method investment from carrying amount | 12,800 |  |  |
AIS Joint Venture | AZZ Infrastructure Solutions |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Equity in (earnings) loss of unconsolidated subsidiaries | $ (2,600) |  |  |
AIS Joint Venture | AZZ Infrastructure Solutions | Discontinued Operations, Disposed of by Sale |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Percentage of investment sold |  |  |  | 0.60
Investment in joint venture |  |  |  | $ 84,800

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