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Investments in Unconsolidated Entities - Narrative (Details)
$ in Thousands
2 Months Ended 3 Months Ended 9 Months Ended
Sep. 30, 2022
USD ($)
Nov. 30, 2022
USD ($)
Nov. 30, 2022
USD ($)
Nov. 30, 2021
USD ($)
Nov. 30, 2022
USD ($)
Nov. 30, 2021
USD ($)
Schedule of Equity Method Investments [Line Items]            
Equity in (earnings) loss of unconsolidated subsidiaries     $ (1,006) $ 0 $ (1,006) $ 0
AIS Joint Venture            
Schedule of Equity Method Investments [Line Items]            
Ownership percentage of investment 40.00%          
Proceeds from sale of equity method investments $ 108,000          
Proceeds from sale funded by committed debt financing 120,000          
AIS Joint Venture | AZZ Infrastructure Solutions            
Schedule of Equity Method Investments [Line Items]            
Quoted enterprise value $ 300,000          
Equity in (earnings) loss of unconsolidated subsidiaries   $ (1,000) $ (1,000)   $ (1,000)  
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