Income Taxes (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Oct. 30, 2021 |
Oct. 31, 2020 |
Oct. 30, 2021 |
Oct. 31, 2020 |
|
| Valuation Allowance [Line Items] | ||||
| Effective income tax rate | 2.20% | 19.20% | (1.00%) | 11.30% |
| Valuation allowance | $ 0.5 | |||
| Tax benefit related to CARES Act | $ 8.0 | $ 36.6 | ||
| State And Local Income Taxes And Other Tax Credits | ||||
| Valuation Allowance [Line Items] | ||||
| Valuation allowance | $ 16.0 | 39.1 | ||
| Previously Recognized Deferred Tax Assets | ||||
| Valuation Allowance [Line Items] | ||||
| Valuation allowance | $ 54.2 | |||