Black-Scholes Option Valuation Assumptions (Detail)	6 Months Ended
	Jul. 28, 2012		Jul. 30, 2011
Share based Compensation Arrangement by Share based Payment Award, Fair Value Assumptions, Method Used [Line Items]
Risk-free interest rate	0.60%	[1]	2.10%	[1]
Dividend yield	2.80%		2.60%
Volatility factor	41.20%	[2]	42.70%	[2]
Weighted-average expected term	4 years	[3]	5 years	[3]
Expected forfeiture rate	8.00%	[4]	8.00%	[4]

[1] Based on the U.S. Treasury yield curve in effect at the time of grant with a term consistent with the expected life of our stock options.

[2] Based on a combination of historical volatility of the Company's common stock and implied volatility.

[3] Represents the period of time options are expected to be outstanding, based on historical experience.

[4] Based upon historical experience.