Stock Repurchase Program and Dividends - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 30, 2017	Jul. 31, 2016	Jul. 30, 2017	Jul. 31, 2016	Jan. 29, 2017
Stock Repurchase Program and Dividend [Line Items]
Common stock repurchased, shares	1,160,381	665,517	1,924,924	1,393,146
Common stock repurchased, average cost per share	$ 47.41	$ 53.38	$ 48.50	$ 54.67
Common stock repurchased, total cost	$ 55,011	$ 35,527	$ 93,361	$ 76,166
Treasure stock, value	$ 805	$ 1,535	$ 805	$ 1,535	$ 1,380
Cash dividend, per common share	$ 0.39	$ 0.37	$ 0.78	$ 0.74