Acquisitions - Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Feb. 28, 2023	May 13, 2022	Feb. 28, 2022	Jan. 03, 2022
Assets
Goodwill	$ 702,512		$ 190,391
Total fair value of assets acquired				$ 28,591
Precoat Metals Business Division
Assets
Accounts receivable		$ 77,422
Inventories		43,369
Contract assets		70,731
Prepaid expenses and other		2,247
Property, plant and equipment		305,503
Right-of-use asset		13,753
Goodwill		524,816
Deferred tax asset - LT	8,660
Intangibles		446,546
Total fair value of assets acquired		1,493,047
Liabilities
Accounts payable and other accrued liabilities		(99,223)
Accrued expenses		(31,201)
Other accrued liabilities		(5,330)
Lease liability, short-term		(2,440)
Lease liability, long-term		(11,313)
Other long-term liabilities		(60,091)
Total fair value of liabilities assumed		(209,598)
Total purchase price, net of cash acquired		$ 1,283,449
DAAM Galvanizing Co. Ltd.
Assets
Accounts receivable	3,253
Inventories	2,451
Property, plant and equipment	11,462
Goodwill	13,691
Intangibles			9,975
Total fair value of assets acquired			$ 40,832
Liabilities
Accounts payable and other accrued liabilities	(3,910)
Deferred tax liabilities	(1,422)
Total fair value of liabilities assumed	(5,332)
Total purchase price, net of cash acquired	$ 35,500
Steel Creek Galvanizing Company, LLC
Assets
Accounts receivable				575
Inventories				3,593
Property, plant and equipment				15,796
Goodwill				7,755
Intangibles				872
Liabilities
Accounts payable and other accrued liabilities				(765)
Total fair value of liabilities assumed				(3,591)
Total purchase price, net of cash acquired				$ 25,000