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Investments - Additional Information (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Jan. 29, 2022 | Jan. 30, 2021 | Feb. 01, 2020
Debt Securities, Available-for-sale [Line Items] |  |  |
Realized gains | $ 0.0 | $ 0.0 | $ 1.0
Realized losses | 0.0 | 0.0 |
Available-for-sale Securities |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Assets held by insurance regulators | $ 3.3 | $ 3.4 |

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