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Income Taxes (Details) - USD ($) | 3 Months Ended |
--- | --- | ---
May 02, 2020 | May 04, 2019 | Feb. 01, 2020
Income Taxes [Line Items] |  |  |
Effective income tax rate | 33.90% | 25.20% |
Net unrecognized tax benefits | $ 256,100,000 | $ 237,700,000 | $ 254,800,000
Accrued amounts for interest and penalties | 29,500,000 | $ 25,500,000 | $ 27,900,000
Minimum |  |  |
Income Taxes [Line Items] |  |  |
Possible decrease in unrecognized tax benefits that would reduce the provision for taxes on earnings | 0 |  |
Maximum |  |  |
Income Taxes [Line Items] |  |  |
Possible decrease in unrecognized tax benefits that would reduce the provision for taxes on earnings | $ 35,000,000 |  |

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