Income Taxes (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Aug. 03, 2019 |
Aug. 04, 2018 |
Aug. 03, 2019 |
Aug. 04, 2018 |
|
| Income Tax Disclosure [Abstract] | ||||
| Effective income tax rate | (8.10%) | 30.50% | 0.90% | 52.70% |
| Discrete tax expense, share-based compensation | $ 1.1 | $ 2.5 | $ 1.3 | |