Black-Scholes Option Valuation Assumptions (Detail)	12 Months Ended
	Jan. 28, 2012 Year		Jan. 29, 2011 Year		Jan. 30, 2010 Year
Share based Compensation Arrangement by Share based Payment Award, Fair Value Assumptions, Method Used [Line Items]
Risk-free interest rates	2.10%	[1]	2.30%	[1]	1.70%	[1]
Dividend yield	2.60%		2.10%		3.40%
Volatility factors of the expected market price of the Company's common stock	42.70%	[2]	40.20%	[2]	56.90%	[2]
Weighted-average expected term	5.0	[3]	4.5	[3]	4.1	[3]
Expected forfeiture rate	8.00%	[4]	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. The weighted average expected option term for the years ended January 28, 2012, January 29, 2011 and January 30, 2010 were determined based on historical experience.

[4] Based on historical experience.