Earnings per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	6 Months Ended
Aug. 31, 2013	Sep. 01, 2012	Aug. 31, 2013	Sep. 01, 2012
Reconciliation of basic and diluted earnings per share
Basic earnings per share - weighted common shares outstanding	28,394	27,922	28,417	27,855
Incremental Common Shares Attributable to Share-based Payment Arrangements	817	514	857	475
Weighted Average Number of Shares Outstanding, Diluted	29,211	28,436	29,274	28,330
Earnings per share - basic	$ 0.21	$ 0.18	$ 0.36	$ 0.24
Earnings per share - diluted	$ 0.21	$ 0.18	$ 0.35	$ 0.24
Stock options excluded from the calculation of earnings per share because the exercise price was greater than the average market price of the common shares	55	624	55	915

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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- Definition

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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- Definition

Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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