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Acquisitions - Pro Forma Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 31, 2023	Aug. 31, 2022	Aug. 31, 2023	Aug. 31, 2022
Business Acquisition [Line Items]
Revenue	$ 398,542	$ 406,710	$ 789,415	$ 806,864
Net income from continuing operations	$ 28,332	$ 25,120	56,854	$ 25,015
Acquisition costs			45,000
Azz Inc.
Business Acquisition [Line Items]
Acquisition costs			11,500
Precoat Metals
Business Acquisition [Line Items]
Acquisition costs			$ 33,500