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Commitments and Contingencies - Narrative (Details) $ in Millions |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | ---
Aug. 01, 2016 employee | Aug. 31, 2016 lawsuit | Feb. 03, 2018 USD ($) Property employee | Jan. 28, 2017 USD ($)
Loss Contingencies [Line Items] |  |  |  |
Number of property leases in United Kingdom |  |  | 19 |
Number of additional properties sublet |  |  | 10 |
Capital commitments related to expansion and renovation of stores | $ |  |  | $ 46.9 | $ 48.4
Environmental Protection Agency Collective Action |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of plaintiffs | employee | 10,314 |  | 9,124 |
S.D.N.Y. Cases |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Loss contingency, new claims filed, number | lawsuit |  | 2 |  |

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