Share-Based Compensation - Weighted-Average Assumptions (Details) - Stock Option [Member] |
12 Months Ended | ||
|---|---|---|---|
Feb. 03, 2018 |
Jan. 28, 2017 |
Jan. 30, 2016 |
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||
| Risk-free interest rate | 2.27% | 1.62% | 1.60% |
| Price volatility | 45.58% | 43.23% | 47.81% |
| Expected term | 6 years 1 month 6 days | 6 years 6 months 8 days | 6 years 3 months |
| Dividend yield | 0.00% | 0.00% | 0.00% |