Stock-Based Compensation (Summary Of Performance Share Unit Activity) (Details) - Performance share units [Member] shares in Millions |
12 Months Ended |
---|---|
Jan. 28, 2017
shares
| |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
Outstanding, beginning of year (in shares or units) | 0.3 |
Granted (in shares or units) | 0.1 |
Vested (in shares or units) | (0.1) |
Forfeited or cancelled (in shares or units) | (0.1) |
Outstanding, end of year (in shares or units) | 0.2 |