Goodwill and Intangible Assets - Schedule of Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 28, 2025	Feb. 29, 2024
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 705,468	$ 702,512
Acquisitions	0	2,977
Currency Translation Adjustment	(1,605)	(21)
Goodwill, ending balance	703,863	705,468
Metal Coatings | Operating Segments
Goodwill [Roll Forward]
Goodwill, beginning balance	177,675	177,696
Acquisitions	0	0
Currency Translation Adjustment	(1,605)	(21)
Goodwill, ending balance	176,070	177,675
Precoat Metals | Operating Segments
Goodwill [Roll Forward]
Goodwill, beginning balance	527,793	524,816
Acquisitions	0	2,977
Currency Translation Adjustment	0	0
Goodwill, ending balance	$ 527,793	$ 527,793