Stock-Based Compensation (Recognized Stock-Based Compensation) (Details) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Apr. 29, 2017 |
Apr. 30, 2016 |
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Stock-based compensation | $ 20,238 | $ 17,716 |
| Restricted Stock [Member] | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Stock-based compensation | 10,701 | 9,065 |
| Performance Awards [Member] | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Stock-based compensation | 8,783 | 7,949 |
| Employee Stock Purchase Plan [Member] | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Stock-based compensation | $ 754 | $ 702 |