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Asset Impairments, net - Schedule of Asset Impairment (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Jan. 28, 2023	Jan. 28, 2023	Jan. 29, 2022	Jan. 30, 2021
Asset Impairment Charges [Abstract]
Goodwill impairment		$ 0.0	$ 0.0	$ 10.7
Indefinite-lived intangible asset impairment		0.0	0.0	83.3
Property and equipment impairment	$ 0.6	4.3	1.6	28.1
Operating lease ROU asset impairment		18.4	(0.1)	36.9
Total impairment		22.7	1.5	159.0
Gain on termination or modification of lease		$ 0.9	$ 1.4	$ 4.4

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Gain (Loss) On Termination Or Modification Of Lease

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Operating Lease, Impairment Loss, Net Of Gain

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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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