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	3 Months Ended
	May 03, 2020	May 05, 2019
Earnings Per Share [Line Items]
Net Earnings, Basic	$ 35,423	$ 52,656
Net Earnings, Diluted	$ 35,423	$ 52,656
Weighted Average Shares, Basic	77,262	78,683
Weighted Average Shares, Effect of dilutive stock-based awards	1,137	1,184
Weighted Average Shares, Diluted	78,399	79,867
Earnings Per Share, Basic	$ 0.46	$ 0.67
Earnings Per Share, Diluted	$ 0.45	$ 0.66