Accounting For Share-Based Payments - Options (Details) (Stock Options [Member], USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	May 02, 2015
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding at beginning of period (number of shares)	1,230,253
Granted (number of shares)	0
Exercised (number of shares)	(399)
Forfeited (number of shares)	(13,333)
Outstanding at end of period (number of shares)	1,216,521
Vested and expected to vest at end of period (number of shares)	1,176,517
Exercisable at beginning of period (number of shares)	1,176,517
Outstanding at beginning of period (weighted average exercise price)	$ 8.43
Granted (weighted average exercise price)	$ 0.00
Exercised (weighted average exercise price)	$ 3.29
Forfeited (weighted average exercise price)	$ 4.22
Outstanding at end of period (weighted average exercise price)	$ 8.48
Vested and expected to vest at end of period (weighted average exercise price)	$ 8.45
Exercisable at end of period (weighted average exercise price)	$ 8.45
Outstanding at end of period (weighted average remaining contractual life)	6 years
Vested and expected to vest at end of period (weighted average remaining contractual life)	5 years 10 months 24 days
Exercisable at end of period (weighted average remaining contractual life)	5 years 10 months 24 days
Outstanding at end of period (aggregate intrinsic value)	$ 123
Vested and expected to vest at end of period (aggregate intrinsic value)	123
Exercisable at end of period (aggregate intrinsic value)	$ 0