Stock-Based Compensation (Stock Option Activity) (Details) - Stock Options [Member] - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Apr. 30, 2016	May 02, 2015
Number of shares
Outstanding at January 30, 2016	310,000
Granted	0	0
Exercised	(210,000)
Forfeited	0
Outstanding at April 30, 2016, all vested	100,000
Weighted average exercise price
Outstanding at January 30, 2016 (in dollars per share)	$ 7.34
Granted (in dollars per share)	0.00
Exercised (in dollars per share)	7.26
Forfeited (in dollars per share)	0.00
Outstanding at April 30, 2016, all vested (in dollars per share)	$ 7.52
Weighted average remaining contractual term	7 months 2 days
Aggregate intrinsic value	$ 4,928