Employee Benefit Plans (Schedule of Changes in Plan Assets, Changes in Projected Benefit Obligation, and Funded Status) (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 25, 2023	Feb. 26, 2022	Feb. 27, 2021
Change in projected benefit obligation
Benefit obligation beginning of period	$ 12,405	$ 13,541
Interest cost	380	339	$ 346
Actuarial gain	(1,484)	(475)
Estimated future benefit payments	1,041	1,000
Benefit obligation at measurement date	10,260	12,405	13,541
Change in plan assets
Fair value of plan assets beginning of period	5,044	5,551
Actual return on plan assets	(706)	(161)
Company contributions	695	654
Fair value of plan assets at measurement date	3,992	5,044	$ 5,551
Underfunded status	$ (6,268)	$ (7,361)