Revenue, Receivables and Contract Assets and Liabilities (Details 6) - USD ($) $ in Thousands	12 Months Ended
	Feb. 25, 2023	Feb. 26, 2022	Feb. 27, 2021
Revenue from Contract with Customer [Abstract]
Accounts Receivable, Allowance for Credit Loss	$ (1,796)	$ (2,132)	$ (1,947)
Additions charged to costs and expenses	394	729
Deductions from allowance, net of recoveries	(686)	(514)
Other deductions	(44)	(30)
Accounts Receivable, Allowance for Credit Loss	$ 1,796	$ 2,132	$ 1,947