|
Shareholders' Equity - Stock Option (Incentive and Nonqualified) Activity (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified
|
3 Months Ended |
|
May 04, 2013
|
| Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
|
| Outstanding at Feb 2, 2013, Shares |
2,388,048 |
| Granted, shares |
|
| Exercised, shares |
(4,500) |
| Forfeited or expired shares |
(36,593) |
| Outstanding at May 4, 2013, Shares |
2,346,955 |
| Shares, vested and expected to vest at May 4, 2013 |
2,304,447 |
| Shares, exercisable at May 4, 2013 |
1,387,264 |
| Weighted-Average Exercise Price, Outstanding at February 2, 2013 |
$ 5.66 |
| Granted, Weighted-Average Exercise Price |
|
| Exercised, Weighted-Average Exercise Price |
$ 1.64 |
| Forfeited or expired, Weighted-Average Exercise Price |
$ 10.58 |
| Weighted-Average Exercise Price Outstanding at May 4, 2013 |
$ 5.59 |
| Vested and expected to vest at May 4, 2013, Weighted-Average Exercise Price |
$ 5.63 |
| Exercisable at May 4, 2013, Weighted-Average Exercise Price |
$ 6.78 |
| Outstanding at May 4 ,2013, Weighted-Average Remaining Contractual Term |
3 years 4 months 24 days |
| Vested and expected to vest at May 4, 2013, Weighted-Average Remaining Contractual Term |
3 years 3 months 18 days |
| Exercisable at May 4, 2013, Weighted-Average Remaining Contractual Term |
3 years |
| Outstanding at May 4, 2013, Aggregate Intrinsic Value |
$ 180 |
| Vested and expected to vest at May 4, 2013, Aggregate Intrinsic Value |
173 |
| Exercisable at May 4, 2013, Aggregate Intrinsic Value |
$ 138 |