Note 5 - Stock-Based Compensation (Details) - Option Activity (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
Mar. 02, 2014	Mar. 03, 2013	Feb. 26, 2012	Feb. 27, 2011
Note 5 - Stock-Based Compensation (Details) - Option Activity [Line Items]
Balance,	1,081,117	977,783	915,951	802,089
Balance,	$ 23.84	$ 25.54	$ 25.40	$ 26.05
Balance,	6 years 32 days
Balance,	$ 5,029
Exercisable, March 2, 2014	664,329
Exercisable, March 2, 2014	$ 23.46
Exercisable, March 2, 2014	4 years 94 days
Exercisable, March 2, 2014	$ 3,343
Granted	193,600	205,520	198,750
Granted	$ 27.20	$ 25.60	$ 22.53
Exercised	(51,266)	(35,987)	(73,412)
Exercised	$ 23.44	$ 21.16	$ 24.65
Terminated or expired	(39,000)	(107,701)	(11,476)
Terminated or expired	$ 26.07	$ 25.91	$ 25.75
Option Exchange Program [Member]
Note 5 - Stock-Based Compensation (Details) - Option Activity [Line Items]
Granted	902,517
Granted	$ 23.13
Terminated or expired	(902,517)
Terminated or expired	$ 25.63

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Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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Weighted average price of options that were either forfeited or expired.

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Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of fully vested and expected to vest options that are exercisable.

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Weighted average remaining contractual term for fully vested and expected to vest options that are exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of fully vested and expected to vest options outstanding.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Number of share options (or share units) exercised during the current period.

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