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. 26, 2022	Feb. 27, 2021	Feb. 29, 2020
Change in projected benefit obligation
Benefit obligation beginning of period	$ 13,541	$ 14,371
Interest cost	339	346	$ 492
Actuarial gain	(475)	(175)
Estimated future benefit payments	1,000	1,001
Benefit obligation at measurement date	12,405	13,541	14,371
Change in plan assets
Fair value of plan assets beginning of period	5,551	5,986
Actual return on plan assets	(161)	(88)
Company contributions	654	654
Fair value of plan assets at measurement date	5,044	5,551	$ 5,986
Underfunded status	$ (7,361)	$ (7,990)