Summary of Significant Accounting Policies - Rollforward of Allowance For Credit Losses (Details) - Allowance for Credit Losses - USD ($) $ in Thousands	12 Months Ended
	Feb. 29, 2024	Feb. 28, 2023	Feb. 28, 2022
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	$ 5,752	$ 5,395	$ 5,378
Adjustment based on aged receivables analysis	(67)	(58)	100
Charge-offs, net of recoveries	338	83	(85)
Other(1)	3,676	(327)	0
Effect of exchange rate changes	0	5	2
Balance at end of year(2)	2,347	5,752	5,395
AZZ Infrastructure Solutions
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	5,400	5,400
Balance at end of year(2)	$ 1,700	$ 5,400	$ 5,400