Asset Impairments - Schedule of Asset Impairment (Details) - USD ($) $ in Millions	12 Months Ended
Jan. 30, 2021	Feb. 01, 2020	Feb. 02, 2019
Asset Impairment Charges [Abstract]
Goodwill impairment	$ 10.7	$ 47.7	$ 521.2
Indefinite-lived intangible asset impairment	83.3	0.0	214.2
Property and equipment impairment	28.1	0.0	0.0
Operating lease ROU asset impairment	36.9	0.0	0.0
Total impairment	159.0	$ 47.7	$ 735.4
Gain on termination or modification of lease	$ 4.4

Gain (Loss) On Termination Or Modification Of Lease

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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Amount of loss from impairment of right-of-use asset from operating lease.

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