Black-Scholes Option Valuation Assumptions (Detail)		6 Months Ended
		Aug. 03, 2019	Aug. 04, 2018
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Risk-free interest rate	[1]	2.20%	2.60%
Dividend yield		2.40%	2.50%
Volatility factor	[2]	38.20%	39.50%
Weighted-average expected term	[3]	4 years 4 months 24 days	4 years 6 months

[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 terms were determined based on historical experience.