Employee Benefit Plans (Schedule of Components of Defined Benefit Pension Plans Net Periodic Benefit Cost) (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 26, 2022	Feb. 27, 2021	Feb. 29, 2020
Components of net periodic benefit cost
Interest cost	$ 339	$ 346	$ 492
Expected return on assets	(85)	(211)	(182)
Amortization of unrecognized net loss	270	260	219
Net periodic benefit cost	$ 524	$ 395	$ 529