Shareholders' Equity (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended	218 Months Ended
Feb. 26, 2022	Feb. 27, 2021	Feb. 29, 2020	Feb. 26, 2022
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	2,309,000	1,177,000	687,000
Share repurchases, value	$ 100,414	$ 32,878	$ 25,140
Stock Based Compensation Plans
Class of Stock [Line Items]
Share-based Payment Arrangement, Decrease for Tax Withholding Obligation	$ 2,100	$ 3,000	$ 2,300
Share Repurchase Program
Class of Stock [Line Items]
Share repurchases, shares	2,292,846	1,177,704	686,997	9,425,462
Share repurchases, value	$ 100,000	$ 32,900	$ 25,100	$ 307,300
Remaining shares authorized to be repurchased	1,824,538,000			1,824,538,000

Amount of decrease to equity for grantee's tax withholding obligation for award under share-based payment arrangement.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

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The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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