Revenue, Receivables and Contract Assets and Liabilities (Details 2) - USD ($) $ in Thousands	Feb. 25, 2023	Feb. 26, 2022	Feb. 27, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total receivables	$ 224,897	$ 170,724
Less: allowance for credit losses	1,796	2,132	$ 1,947
Receivables, net	223,101	168,592
Trade accounts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total receivables	140,732	129,085
Construction contracts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total receivables	58,331	12,857
Contract retainage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total receivables	$ 25,834	$ 28,782