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Income Taxes (Details)	3 Months Ended		9 Months Ended
Income Taxes (Details)	Nov. 25, 2012	Nov. 27, 2011	Nov. 25, 2012	Nov. 27, 2011
Income Taxes [Abstract]
Effective tax rates	18.20%	13.10%	20.10%	16.40%

- Definition

A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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