Summary of Significant Accounting Policies - Rollforward of Allowance For Credit Losses (Details) - Allowance for Credit Losses - USD ($) $ in Thousands	12 Months Ended
Feb. 28, 2023	Feb. 28, 2022	Feb. 28, 2021
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	$ 5,395	$ 5,378	$ 5,551
Adjustment based on aged receivables analysis	(58)	100	207
Charge-offs, net of recoveries	83	(85)	(572)
Other	327	0	116
Effect of exchange rate changes	5	2	76
Balance at end of year(1)	5,752	$ 5,395	$ 5,378
AZZ Infrastructure Solutions
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at end of year(1)	$ 5,400

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Amount of increase (decrease) in valuation and qualifying accounts and reserves from adjustment.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SX 210.12-09)
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
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-Section S99
-Paragraph 4
-Subparagraph (SX 210.12-09(Column B))
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