Revenue, Receivables and Contract Assets and Liabilities Accounts Receivable (Details) - USD ($) $ in Thousands	Nov. 26, 2022	Feb. 26, 2022	Feb. 27, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total receivables	$ 224,409	$ 170,724
Beginning balance	1,855	2,132	$ 1,947
Receivables, net	222,554	168,592
Trade accounts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total receivables	142,591	129,085
Construction contracts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total receivables	50,423	12,857
Contract retainage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total receivables	$ 31,395	$ 28,782