Shareholders' Equity (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended			230 Months Ended
	Feb. 25, 2023	Feb. 26, 2022	Feb. 27, 2021	Feb. 25, 2023
Class of Stock [Line Items]
Junior preferred stock, shares	200,000			200,000
Junior preferred stock par value	$ 1.00			$ 1.00
Share repurchases, shares	1,571,000	2,309,000	1,177,000
Share repurchases, value	$ 74,312	$ 100,414	$ 32,878
Stock Based Compensation Plans
Class of Stock [Line Items]
Share-based Payment Arrangement, Decrease for Tax Withholding Obligation	$ 2,300	$ 2,100	$ 3,000
Share Repurchase Program
Class of Stock [Line Items]
Share repurchases, shares	1,571,139	2,292,846	1,177,704	10,996,601
Share repurchases, value	$ 74,300	$ 100,000	$ 32,900	$ 381,600
Remaining shares authorized to be repurchased	1,253,399,000			1,253,399,000