Stock Repurchase Program and Dividend - Additional Information (Detail) (USD $)	1 Months Ended	3 Months Ended		9 Months Ended
	Jan. 31, 2012	Oct. 28, 2012	Oct. 30, 2011	Oct. 28, 2012	Oct. 30, 2011
Stock Repurchase Program and Dividend [Line Items]
Authorized amount for repurchase	$ 225,000,000
Common stock repurchased, shares		748,807	963,700	3,278,078	2,530,208
Common stock repurchased, average cost per share		$ 41.69	$ 32.68	$ 37.92	$ 37.15
Common stock repurchased, total cost		31,217,000	31,490,000	124,293,000	93,986,000
Remaining authorized amount for repurchase		$ 31,283,000		$ 31,283,000
Cash dividend, per common share		$ 0.22