Acquisitions - Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	6 Months Ended
	Aug. 31, 2022	Aug. 31, 2021	May 13, 2022	Feb. 28, 2022
Assets
Goodwill	$ 736,218			$ 190,391
Liabilities
Depreciation and amortization	$ 33,875	$ 15,912
Precoat Metals Business Division
Assets
Accounts receivable			$ 77,422
Inventories			43,369
Contract assets			70,731
Prepaid expenses and other			2,245
Property, plant and equipment			306,953
Right-of-use asset			10,954
Goodwill			547,894
Intangibles and other assets			446,746
Total fair value of assets acquired			1,506,314
Liabilities
Accounts payable			(99,223)
Accrued expenses			(31,781)
Other accrued liabilities			(3,741)
Customer deposits			(1,574)
Lease liability, short-term			(1,706)
Lease liability, long-term			(9,248)
Deferred tax liabilities			(3,100)
Other long-term liabilities			(56,711)
Total fair value of liabilities assumed			(207,084)
Total Purchase Price, net of cash acquired			$ 1,299,230
DAAM Galvanizing Co. Ltd.
Assets
Accounts receivable				4,586
Inventories				3,119
Prepaid expenses and other				23
Property, plant and equipment				14,436
Goodwill				24,369
Liabilities
Deferred tax liabilities				(3,596)
Accounts payable and other accrued liabilities				(7,437)
Total Purchase Price, net of cash acquired				$ 35,500