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