|
Stock-Based Compensation (Non-Vested Stock Awards Activity) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified
|
12 Months Ended |
|
Jan. 31, 2015
|
| Time-Based Stock Awards [Member] |
|
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] |
|
| Non-vested Stock Awards, beginning balance |
1,357 |
| Granted, Stock Awards |
6,289 |
| Vested, Stock Awards |
(460) |
| Forfeited/canceled, Stock Awards |
(417) |
| Non-vested Stock Awards, ending balance |
6,769 |
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward] |
|
| Non-vested Weighted-Average Grant Date Fair Value, beginning of year |
$ 23 |
| Granted, Weighted-Average Grant Date Fair Value |
$ 8 |
| Vested, Weighted-Average Grant Date Fair Value |
$ 18 |
| Forfeited/canceled, Weighted-Average Grant Date Fair Value |
$ 12 |
| Non-vested Weighted-Average Grant Date Fair Value, end of year |
$ 10 |
| Performance-Based Stock Awards [Member] |
|
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] |
|
| Non-vested Stock Awards, beginning balance |
73 |
| Granted, Stock Awards |
497 |
| Vested, Stock Awards |
(37) |
| Forfeited/canceled, Stock Awards |
0 |
| Non-vested Stock Awards, ending balance |
533 |
| Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward] |
|
| Non-vested Weighted-Average Grant Date Fair Value, beginning of year |
$ 7 |
| Granted, Weighted-Average Grant Date Fair Value |
$ 6 |
| Vested, Weighted-Average Grant Date Fair Value |
$ 7 |
| Forfeited/canceled, Weighted-Average Grant Date Fair Value |
$ 0 |
| Non-vested Weighted-Average Grant Date Fair Value, end of year |
$ 7 |