|
Share-Based Compensation Cost by Award Type (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
|
Oct. 27, 2012
|
Oct. 29, 2011
|
Oct. 27, 2012
|
Oct. 29, 2011
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Share-based compensation | $ 3,351 | $ 2,730 | $ 12,207 | $ 7,483 |
|
Stock Options [Member]
|
||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Share-based compensation | 2,032 | 1,669 | 6,089 | 4,798 |
|
Restricted Stock Units (RSUs) [Member]
|
||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Share-based compensation | 1,318 | 1,049 | 6,104 | 2,529 |
|
Restricted Stock [Member]
|
||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Share-based compensation | $ 1 | $ 12 | $ 14 | $ 156 |