Earnings Per Share - Computation of Earnings Per Share and Earnings Per Share-Assuming Dilution (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
May 31, 2013	May 25, 2012
Numerator
Net income	$ 33,393	$ 7,250
Denominator
Weighted average shares outstanding	32,115,319	35,505,749
Effect of dilutive securities:
Share-based payment awards	587,000	648,000
Weighted average shares outstanding - assuming dilution	32,701,678	36,154,078
Earnings per share	$ 1.04	$ 0.20
Earnings per share - assuming dilution	$ 1.02	$ 0.20

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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- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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