Earnings Per Share - Additional Information (Details) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Jul. 30, 2016	Aug. 01, 2015	Jul. 30, 2016	Aug. 01, 2015	Jan. 30, 2016
Earnings Per Share [Abstract]
Stock repurchased during period (in shares)	309,105	424,384	1,409,005	424,384
Stock repurchased during period, value	$ 20,000,000	$ 27,500,000	$ 93,427,000	$ 27,500,000	$ 144,885,000
Stock repurchase program, authorized amount	100,000,000		100,000,000
Stock repurchase program, remaining authorized repurchase amount	$ 80,000,000		$ 80,000,000