Revenue, Receivables and Contract Assets and Liabilities Allowance for Credit Losses (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Aug. 27, 2022	Feb. 26, 2022	Feb. 27, 2021
Credit Loss [Abstract]
Beginning balance	$ 1,931	$ 2,132	$ 1,947
Additions charged to costs and expenses	45	729
Deductions from allowance, net of recoveries	(244)	(514)
Other changes (1)	(2)	(30)
Ending balance	$ 1,931	$ 2,132	$ 1,947