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. 28, 2018	Jan. 29, 2017	Jan. 31, 2016
Earnings Per Share [Line Items]
Net Earnings, Basic	$ 259,545	$ 305,387	$ 310,068
Net Earnings, Diluted	$ 259,545	$ 305,387	$ 310,068
Weighted Average Shares, Basic	85,592	88,594	90,787
Weighted Average Shares, Effect of dilutive stock-based awards	488	868	1,315
Weighted Average Shares, Diluted	86,080	89,462	92,102
Earnings Per Share, Basic	$ 3.03	$ 3.45	$ 3.42
Earnings Per Share, Diluted	$ 3.02	$ 3.41	$ 3.37