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Investments in Unconsolidated Entity - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Nov. 30, 2023
Nov. 30, 2022
Nov. 30, 2023
Nov. 30, 2022
Feb. 28, 2023
Sep. 30, 2022
Schedule of Equity Method Investments [Line Items]            
Investment in joint venture $ 97,200   $ 97,200      
Equity in (earnings) loss of unconsolidated subsidiaries (8,742) $ (1,006) (11,136) $ (1,006)    
Accounts payable, current 95,158   95,158   $ 84,256  
Equity Method Investee            
Schedule of Equity Method Investments [Line Items]            
Accounts payable, current 4,600   4,600   6,300  
AIS Joint Venture            
Schedule of Equity Method Investments [Line Items]            
Ownership percentage of investment           40.00%
Investment in joint venture $ 97,238   97,238   $ 84,760  
AIS Joint Venture | AZZ Infrastructure Solutions            
Schedule of Equity Method Investments [Line Items]            
Equity in (earnings) loss of unconsolidated subsidiaries     $ (11,100)      
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           $ 97,200