Share Repurchases - Additional Information (Detail) - USD ($) $ / shares in Units, shares in Millions	3 Months Ended
	May 05, 2018	Apr. 29, 2017	Feb. 03, 2018	Feb. 21, 2017
Equity Class Of Treasury Stock [Line Items]
Unpaid principal amount of notes payable for share repurchases	$ 19,633,000		$ 19,390,000
$300 Million Repurchase Program [Member]
Equity Class Of Treasury Stock [Line Items]
Shares of common stock purchased under repurchase program, shares		7.8
Shares of common stock purchased at an average price per share under repurchase program		$ 38.24
Shares of common stock purchased under repurchase program		$ 300,000,000
Share Repurchases Under Equity Plans [Member]
Equity Class Of Treasury Stock [Line Items]
Unpaid principal amount of notes payable for share repurchases	19,600,000		19,400,000
Interest expense related to notes payable for share repurchases	200,000	$ 200,000
Board of Directors [Member] | Maximum [Member] | $300 Million Repurchase Program [Member]
Equity Class Of Treasury Stock [Line Items]
Stock repurchase program authorized amount				$ 300,000,000
Director [Member] | Share Repurchases Under Equity Plans [Member]
Equity Class Of Treasury Stock [Line Items]
Unpaid principal amount of notes payable for share repurchases	$ 15,500,000		$ 15,500,000