Basis of presentation and accounting policies - OCI, Revenue, etc. (Details) - USD ($) $ in Millions	12 Months Ended
Jan. 31, 2025	Feb. 02, 2024	Feb. 03, 2023
Revenue recognition
Liability for outstanding gift cards	$ 17.4	$ 13.8
Breakage income related to gift card program	2.2	2.6	$ 2.3
Advertising costs
Advertising costs	122.9	130.6	126.0
Expenses related to vendor funding for cooperative advertising offset	$ 41.6	$ 35.7	$ 33.4
3.25% Senior Notes due April 15, 2023
Other comprehensive income
Credit facility term	10 years

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- Definition

Amount of liability for outstanding gift cards.

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- References

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- Definition

Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 720
-SubTopic 35
-Name Accounting Standards Codification
-Section 55
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483385/720-35-55-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 720
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-Section 50
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483406/720-35-50-1

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- Definition

Total amount received by an entity from a vendor under a cooperative advertising arrangement that has been offset against advertising expense.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 720
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-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483406/720-35-50-1

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- References

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