Income Taxes - Effective Tax Rate Reconciliation (Details) |
12 Months Ended | ||
|---|---|---|---|
Jan. 28, 2017 |
Jan. 30, 2016 |
Jan. 31, 2015 |
|
| Income Tax Disclosure [Abstract] | |||
| Federal income tax rate (as a percent) | 35.00% | 35.00% | 35.00% |
| State income taxes, net of federal income tax effect (as a percent) | 4.40% | 3.60% | 4.10% |
| Share-based compensation (as a percent) | 4.00% | 0.20% | 0.80% |
| (Benefit)/Expense for uncertain tax positions (as a percent) | (7.00%) | 0.50% | (1.40%) |
| Other items, net (as a percent) | 0.20% | (0.40%) | 0.30% |
| Effective tax rate (as a percent) | 36.60% | 38.90% | 38.80% |