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Taxes (Details)	3 Months Ended		12 Months Ended
Taxes (Details)	Oct. 26, 2012	Oct. 28, 2011	Apr. 26, 2013 Minimum [Member]	Apr. 26, 2013 Maximum [Member]
Effective Income Tax Rate [Line Items]
Effective Income Tax Rate, Continuing Operations	32.30%	34.10%	33.50%	34.50%

- 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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