XML 47 R27.htm IDEA: XBRL DOCUMENT

Income Taxes (Details)	3 Months Ended		9 Months Ended
Income Taxes (Details)	Oct. 27, 2012	Oct. 29, 2011	Oct. 27, 2012	Oct. 29, 2011
Income Taxes
Effective tax rate (as a percent)	35.70%	37.20%	36.30%	37.80%
Estimated annualized effective tax rate (as a percent)			37.10%

- 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.

+ References+ Details