Earnings per Share - Potential Common Stock Equivalents Excluded From Computation of Diluted Earning Per Share (Details) - $ / shares shares in Thousands	3 Months Ended		9 Months Ended
	Oct. 29, 2016	Oct. 31, 2015	Oct. 29, 2016	Oct. 31, 2015
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti dilutive shares	483	700	402	560
Stock Options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti dilutive shares	1,232	183	1,232	1,214
Range of exercise prices of such options, minimum	$ 4.49	$ 5.27	$ 4.49	$ 4.96
Range of exercise prices of such options, maximum	$ 7.52	$ 7.52	$ 7.52	$ 7.52
Restricted Stock Units (time-vested)
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti dilutive shares	3		409
Restricted and Deferred Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti dilutive shares	2		10	15