Stock Repurchase Program (Detail) - USD ($)	6 Months Ended
	Jul. 05, 2015	Aug. 03, 2015	Apr. 30, 2014	Nov. 30, 2011
Equity, Class of Treasury Stock [Line Items]
Stock repurchased during period, shares	720,000
Stock repurchased during period, in dollars	$ 35,848,000
Repurchase Program 2011
Equity, Class of Treasury Stock [Line Items]
Authorized common stock to be repurchased				$ 80,000,000
Repurchase Program 2014
Equity, Class of Treasury Stock [Line Items]
Authorized common stock to be repurchased			$ 50,000,000
Stock repurchased during period, in dollars	$ 35,848,000
Subsequent Event | Repurchase Program 2015
Equity, Class of Treasury Stock [Line Items]
Authorized common stock to be repurchased		$ 100,000,000