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Goodwill and intangibles - Schedule of Goodwill (Details) - USD ($) $ in Millions	9 Months Ended
	Nov. 02, 2024	Feb. 03, 2024
Goodwill [Roll Forward]
Beginning balance	$ 754.5
Impairment	(123.0)
Ending balance	631.5
North America
Goodwill [Roll Forward]
Beginning balance	754.5
Impairment	(123.0)
Ending balance	631.5
Accumulated impairment loss	$ 699.0	$ 576.0

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Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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