Reconciliation of Net Earnings and Number of Shares Used in Basic and Diluted Earnings Per Share Computations (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Jan. 31, 2016	Feb. 01, 2015	Feb. 02, 2014
Earnings Per Share [Line Items]
Net Earnings, Basic	$ 310,068	$ 308,854	$ 278,902
Net Earnings, Diluted	$ 310,068	$ 308,854	$ 278,902
Weighted Average Shares, Basic	90,787	93,634	96,669
Weighted Average Shares, Effect of dilutive stock-based awards	1,315	1,566	2,096
Weighted Average Shares, Diluted	92,102	95,200	98,765
Earnings Per Share, Basic	$ 3.42	$ 3.30	$ 2.89
Earnings Per Share, Diluted	$ 3.37	$ 3.24	$ 2.82