Note 8 - Earnings Per Share - Excluded Anti-diluted and Excluded Potentially Dilutive Securities (Details) - shares shares in Thousands |
3 Months Ended | |
|---|---|---|
Apr. 29, 2017 |
Apr. 30, 2016 |
|
| Employee Stock Option [Member] | ||
| Anti-dilutive securities (in shares) | 2,421 | 2,388 |
| Restricted Stock Units (RSUs) [Member] | ||
| Anti-dilutive securities (in shares) | 1,427 | 736 |