Earnings per Share - Potential Common Stock Equivalents Excluded From Computation of Diluted Earning Per Share (Details) - $ / shares shares in Thousands	3 Months Ended		6 Months Ended
	Aug. 01, 2015	Aug. 02, 2014	Aug. 01, 2015	Aug. 02, 2014
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti dilutive shares	483	520	508	538
Stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti dilutive shares	1,467	1,648	1,461	1,648
Range of exercise prices of such options, minimum	$ 4.91	$ 4.96	$ 4.96	$ 4.96
Range of exercise prices of such options, maximum	$ 7.52	$ 7.52	$ 7.52	$ 7.52
Restricted Stock (time-vested)
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti dilutive shares			19