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Goodwill and intangibles - Schedule of Goodwill (Details) - USD ($) $ in Millions	12 Months Ended
	Feb. 03, 2024	Jan. 28, 2023	Jan. 29, 2022
Goodwill [Roll Forward]
Beginning balance	$ 751.7
Ending balance	754.5	$ 751.7
North America
Goodwill [Roll Forward]
Beginning balance	751.7	484.6
Acquisitions	2.8	267.1
Ending balance	754.5	751.7
Accumulated impairment losses	$ 576.0	$ 576.0	$ 576.0

X

- Definition

Amount after accumulated impairment loss of an asset representing 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 increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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